engines={image=false textcolor=true vector=false text=true} tetml={filename={D:\drim\repository\projects\drim_84_0\metadata\e\f\ef11a1b796fad98b4695d43cd3c6341b\ef11a1b796fad98b4695d43cd3c6341b.para.xml} elements={annotations=false bookmarks=false destinations=false fields=false javascripts=false} } granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l Requirements R e q u i r e m e n t s Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l Status: S t a t u s : Relevant R e l e v a n t Version: V e r s i o n : 7.03 7 . 0 3 TR1951 T R 1 9 5 1 Piping P i p i n g Engineering E n g i n e e r i n g Project P r o j e c t development d e v e l o p m e n t Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03, 7 . 0 3 , Document D o c u m e n t replaces r e p l a c e s version v e r s i o n 7.02 7 . 0 2 Relevant R e l e v a n t versions: v e r s i o n s : 7.01 7 . 0 1 (2016-11-15 ( 2 0 1 6 - 1 1 - 1 5 07:31) 0 7 : 3 1 ) 7.03 7 . 0 3 (2021-08-18 ( 2 0 2 1 - 0 8 - 1 8 15:01) 1 5 : 0 1 ) Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 1 1 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} 1 1 Objective, O b j e c t i v e , target t a r g e t group g r o u p and a n d provision p r o v i s i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 1.1 1 . 1 Objective O b j e c t i v e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 1.2 1 . 2 Target T a r g e t group g r o u p . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 1.3 1 . 3 Provision P r o v i s i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 2 2 TR2000 T R 2 0 0 0 - - Piping P i p i n g and a n d valve v a l v e material m a t e r i a l specification s p e c i f i c a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 2.1 2 . 1 General G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 5 2.2 2 . 2 Design D e s i g n codes c o d e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 2.3 2 . 3 The T h e European E u r o p e a n Pressure P r e s s u r e Equipment E q u i p m e n t Directive D i r e c t i v e (PED) ( P E D ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 2.4 2 . 4 Line L i n e sizing s i z i n g and a n d material m a t e r i a l selection s e l e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 2.5 2 . 5 Piping P i p i n g specification s p e c i f i c a t i o n in i n mechanical m e c h a n i c a l packages p a c k a g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 2.6 2 . 6 Valve V a l v e selection s e l e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 6 2.7 2 . 7 Flanges F l a n g e s and a n d mechanical m e c h a n i c a l joints j o i n t s (Clamp ( C l a m p connector) c o n n e c t o r ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7 2.7.1 2 . 7 . 1 ASME A S M E B16.5 B 1 6 . 5 flanges f l a n g e s versus v e r s u s Compact C o m p a c t flanges f l a n g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 7 2.7.2 2 . 7 . 2 Compact C o m p a c t flanges f l a n g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 2.7.2.1 2 . 7 . 2 . 1 General G e n e r a l requirements r e q u i r e m e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 2.7.2.2 2 . 7 . 2 . 2 Compact C o m p a c t flanges f l a n g e s installed i n s t a l l e d upstream u p s t r e a m of o f ESDV E S D V (riser ( r i s e r side s i d e for f o r offshore) o f f s h o r e ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 8 3 3 Flange F l a n g e pressure p r e s s u r e rating r a t i n g and a n d design d e s i g n pressure p r e s s u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 3.1 3 . 1 Occasional O c c a s i o n a l variation v a r i a t i o n of o f pressure p r e s s u r e and a n d temperature t e m p e r a t u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 3.1.1 3 . 1 . 1 Example E x a m p l e of o f application a p p l i c a t i o n of o f deviation d e v i a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 3.1.2 3 . 1 . 2 PSV P S V set s e t pressure p r e s s u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 3.1.3 3 . 1 . 3 Exposure E x p o s u r e time t i m e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 9 3.1.4 3 . 1 . 4 Justification J u s t i f i c a t i o n of o f piping p i p i n g overpressure o v e r p r e s s u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1 0 3.2 3 . 2 ASME A S M E B16.5 B 1 6 . 5 flange f l a n g e pressure p r e s s u r e rating r a t i n g including i n c l u d i n g valves v a l v e s and a n d equipment e q u i p m e n t flanges f l a n g e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1 0 4 4 Equipment E q u i p m e n t and a n d system s y s t e m isolation i s o l a t i o n for f o r maintenance m a i n t e n a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1 0 4.1 4 . 1 General G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1 0 4.2 4 . 2 Requirements R e q u i r e m e n t s to t o isolation i s o l a t i o n barrier b a r r i e r practice p r a c t i c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1 1 4.3 4 . 3 Blinding B l i n d i n g and a n d physical p h y s i c a l disconnection/ d i s c o n n e c t i o n / removal r e m o v a l of o f spool s p o o l piece p i e c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1 2 4.4 4 . 4 Single S i n g l e isolation i s o l a t i o n barrier b a r r i e r by b y use u s e of o f valves v a l v e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1 2 4.5 4 . 5 Double D o u b l e isolation i s o l a t i o n and a n d bleed b l e e d (DI&B) ( D I & B ) by b y use u s e of o f valves v a l v e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 1 2 4.6 4 . 6 Requirements R e q u i r e m e n t s for f o r valves v a l v e s when w h e n used u s e d as a s isolation i s o l a t i o n barriers b a r r i e r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1 3 4.7 4 . 7 Simplified S i m p l i f i e d test t e s t for f o r small s m a l l bore b o r e valves v a l v e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1 5 4.8 4 . 8 Use U s e of o f stem s t e m backseat b a c k s e a t as a s isolation i s o l a t i o n barrier b a r r i e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1 6 4.9 4 . 9 Use U s e of o f other o t h e r types t y p e s of o f isolation i s o l a t i o n barriers b a r r i e r s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1 6 5 5 Piping P i p i n g detail d e t a i l standard s t a n d a r d . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 6 6 Piping P i p i n g fabrication, f a b r i c a t i o n , installation, i n s t a l l a t i o n , flushing f l u s h i n g and a n d testing t e s t i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 6.1 6 . 1 General G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 6.2 6 . 2 Code C o d e hydro-test h y d r o - t e s t pressure p r e s s u r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 6.3 6 . 3 Bolt B o l t tensioning t e n s i o n i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 2 2 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} 6.4 6 . 4 Tubing T u b i n g as a s replacement r e p l a c e m e n t for f o r piping p i p i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 6.5 6 . 5 Piping P i p i n g repair r e p a i r and a n d cold c o l d installations i n s t a l l a t i o n s methods m e t h o d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1 7 7 7 Acoustic A c o u s t i c fatigue f a t i g u e in i n piping p i p i n g systems s y s t e m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 8 7.1 7 . 1 Excitation E x c i t a t i o n from f r o m pressure p r e s s u r e reduction r e d u c t i o n sources s o u r c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 8 7.2 7 . 2 Method M e t h o d for f o r evaluating e v a l u a t i n g acoustic a c o u s t i c fatigue f a t i g u e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 8 7.3 7 . 3 Acceptance A c c e p t a n c e level l e v e l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1 9 7.3.1 7 . 3 . 1 Additional A d d i t i o n a l evaluation e v a l u a t i o n to t o further f u r t h e r increase i n c r e a s e of o f the t h e acceptance a c c e p t a n c e level l e v e l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1 9 7.4 7 . 4 Design D e s i g n improvements i m p r o v e m e n t s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 0 7.5 7 . 5 Remedial R e m e d i a l action a c t i o n to t o reduce r e d u c e noise n o i s e from f r o m the t h e source s o u r c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 0 8 8 Vibrations V i b r a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 0 8.1 8 . 1 Bracing B r a c i n g of o f nozzles n o z z l e s and a n d branches b r a n c h e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 0 9 9 Line L i n e sizing s i z i n g and a n d optimisation o p t i m i s a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2 0 10 1 0 Arrangements A r r a n g e m e n t s of o f piping p i p i n g functions f u n c t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 1 10.1 1 0 . 1 Depressurisation D e p r e s s u r i s a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 1 10.1.1 1 0 . 1 . 1 Location L o c a t i o n and a n d pressure p r e s s u r e rating r a t i n g of o f flare f l a r e system s y s t e m block b l o c k valve v a l v e for f o r maintenance m a i n t e n a n c e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 1 10.1.2 1 0 . 1 . 2 Wall W a l l thickness t h i c k n e s s upstream u p s t r e a m a a reducer r e d u c e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 1 10.2 1 0 . 2 Pressure P r e s s u r e class c l a s s break b r e a k for f o r manual m a n u a l or o r control c o n t r o l valves v a l v e s to t o flare f l a r e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2 1 10.3 1 0 . 3 Nitrogen N i t r o g e n purging p u r g i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.4 1 0 . 4 Flushing F l u s h i n g and a n d cleaning c l e a n i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.5 1 0 . 5 Standpipes S t a n d p i p e s (bridles) ( b r i d l e s ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.6 1 0 . 6 Equalisation E q u a l i s a t i o n of o f pressure p r e s s u r e across a c r o s s valves v a l v e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.7 1 0 . 7 Break B r e a k out o u t spools s p o o l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.8 1 0 . 8 Galvanic G a l v a n i c isolation i s o l a t i o n between b e t w e e n materials m a t e r i a l s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 2 2 10.9 1 0 . 9 Closed C l o s e d drain d r a i n pressure p r e s s u r e class c l a s s from f r o m pressure p r e s s u r e vessel v e s s e l and a n d safety s a f e t y critical c r i t i c a l valves v a l v e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2 3 10.10 1 0 . 1 0 Pressure P r e s s u r e test t e s t connection c o n n e c t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2 3 10.11 1 0 . 1 1 Drainage D r a i n a g e of o f piping p i p i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2 3 11 1 1 Pipe P i p e stress s t r e s s evaluation e v a l u a t i o n and a n d analysis a n a l y s i s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2 4 11.1 1 1 . 1 General G e n e r a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2 4 11.2 1 1 . 2 Critical C r i t i c a l lines l i n e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 2 4 11.3 1 1 . 3 Explosion E x p l o s i o n load l o a d on o n piping p i p i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2 5 11.4 1 1 . 4 Vessel/deck V e s s e l / d e c k deflections d e f l e c t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2 6 11.5 1 1 . 5 Fatigue F a t i g u e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 2 6 11.6 1 1 . 6 Dynamic D y n a m i c loads l o a d s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2 7 11.7 1 1 . 7 Loads L o a d s from f r o m piping p i p i n g systems s y s t e m s on o n equipment e q u i p m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 2 7 11.8 1 1 . 8 Flange F l a n g e external e x t e r n a l bending b e n d i n g moment m o m e n t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2 8 11.9 1 1 . 9 Expansion E x p a n s i o n bellows b e l l o w s in i n piping p i p i n g systems s y s t e m s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2 8 11.10 1 1 . 1 0 GRE G R E analysis a n a l y s i s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2 8 11.11 1 1 . 1 1 Pipe P i p e stress s t r e s s documentation d o c u m e n t a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 2 8 Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 3 3 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} 12 1 2 Securing S e c u r i n g of o f valves v a l v e s in i n correct c o r r e c t position p o s i t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2 9 13 1 3 Additional A d d i t i o n a l information i n f o r m a t i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2 9 13.1 1 3 . 1 Definitions D e f i n i t i o n s and a n d abbreviations a b b r e v i a t i o n s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 2 9 13.2 1 3 . 2 Changes C h a n g e s from f r o m previous p r e v i o u s version v e r s i o n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 3 0 13.3 1 3 . 3 References R e f e r e n c e s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 3 1 14 1 4 App A p p A A Testing T e s t i n g of o f barriers, b a r r i e r s , examples e x a m p l e s (Informative, ( I n f o r m a t i v e , ref. r e f . ARIS A R I S OM05.07.01.01) O M 0 5 . 0 7 . 0 1 . 0 1 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 3 2 14.1 1 4 . 1 A.1 A . 1 Example E x a m p l e 1: 1 : DI&B D I & B using u s i n g two t w o valves v a l v e s with w i t h mechanical m e c h a n i c a l activated a c t i v a t e d sealing s e a l i n g and a n d interposed i n t e r p o s e d bleed-off b l e e d - o f f . . . . . . . . . . . . . . . . 32 3 2 14.2 1 4 . 2 A.2 A . 2 Example E x a m p l e 2: 2 : DI&B D I & B using u s i n g two t w o valves v a l v e s with w i t h pressure p r e s s u r e activated a c t i v a t e d sealing s e a l i n g and a n d interposed i n t e r p o s e d bleed-off b l e e d - o f f . . . . . . . . . . . . . . . . . . . . 33 3 3 14.3 1 4 . 3 A.3 A . 3 Example E x a m p l e 3: 3 : DI&B D I & B using u s i n g valve v a l v e with w i t h mechanical m e c h a n i c a l activated a c t i v a t e d sealing s e a l i n g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 3 4 14.4 1 4 . 4 A.4 A . 4 Example E x a m p l e 4: 4 : DI&B D I & B where w h e r e the t h e second s e c o n d barrier b a r r i e r has h a s a a pressure p r e s s u r e boosted b o o s t e d sealing s e a l i n g that t h a t gives g i v e s leakage l e a k a g e at a t the t h e low l o w pressure p r e s s u r e test t e s t . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3 5 14.5 1 4 . 5 A.5 A . 5 Example E x a m p l e 5: 5 : Single S i n g l e barrier b a r r i e r . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 3 6 Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 4 4 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 1 1 Objective, O b j e c t i v e , target t a r g e t group g r o u p and a n d provision p r o v i s i o n 1.1 1 . 1 Objective O b j e c t i v e The T h e objective o b j e c t i v e of o f this t h i s document d o c u m e n t is i s to t o describe d e s c r i b e the t h e Company C o m p a n y requirements r e q u i r e m e n t s and a n d design d e s i g n practices p r a c t i c e s within w i t h i n Piping P i p i n g Engineering. E n g i n e e r i n g . TR1951 T R 1 9 5 1 shall s h a l l apply a p p l y to t o both b o t h onshore o n s h o r e and a n d offshore o f f s h o r e facilities. f a c i l i t i e s . For F o r offshore o f f s h o r e facilities f a c i l i t i e s TR1951 T R 1 9 5 1 shall s h a l l apply a p p l y to t o all a l l piping p i p i n g systems s y s t e m s contained c o n t a i n e d within w i t h i n the t h e facility f a c i l i t y (topsides ( t o p s i d e s and a n d hull). h u l l ) . The T h e facility f a c i l i t y limits l i m i t s shall s h a l l with w i t h respect r e s p e c t to t o external e x t e r n a l interfaces i n t e r f a c e s on o n offshore o f f s h o r e plants p l a n t s be b e considered c o n s i d e r e d as a s being b e i n g the t h e following: f o l l o w i n g : Import I m p o r t risers r i s e r s – – from f r o m and a n d including i n c l u d i n g riser r i s e r ESD E S D valves v a l v e s Export E x p o r t risers r i s e r s – – to t o and a n d including i n c l u d i n g riser r i s e r ESD E S D valves v a l v e s Xmas X m a s tree t r e e and a n d wellhead w e l l h e a d assemblies a s s e m b l i e s – – from f r o m / / to t o flanged f l a n g e d interface i n t e r f a c e on o n Xmas X m a s tree t r e e or o r wellhead. w e l l h e a d . For F o r onshore o n s h o r e facilities f a c i l i t i e s TR1951 T R 1 9 5 1 apply a p p l y to t o all a l l piping p i p i n g systems s y s t e m s contained c o n t a i n e d within w i t h i n the t h e facility. f a c i l i t y . The T h e facility f a c i l i t y limits l i m i t s shall, s h a l l , with w i t h respect r e s p e c t to t o external e x t e r n a l interfaces i n t e r f a c e s for f o r onshore o n s h o r e plants p l a n t s be b e considered c o n s i d e r e d as a s being b e i n g the t h e plant p l a n t isolation i s o l a t i o n valve, v a l v e , i.e. i . e . the t h e first f i r s t or o r last l a s t valve v a l v e on o n any a n y pipe p i p e or o r pipeline p i p e l i n e that t h a t has h a s an a n interface i n t e r f a c e outside o u t s i d e of o f the t h e plant p l a n t See S e e GL1951 G L 1 9 5 1 for f o r guidance g u i d a n c e on o n the t h e design d e s i g n and a n d engineering e n g i n e e r i n g of o f piping p i p i n g systems s y s t e m s 1.2 1 . 2 Target T a r g e t group g r o u p The T h e target t a r g e t group g r o u p for f o r this t h i s document d o c u m e n t is i s personnel p e r s o n n e l involved i n v o l v e d in i n conceptual c o n c e p t u a l studies, s t u d i e s , FEED F E E D studies, s t u d i e s , pre-engineering, p r e - e n g i n e e r i n g , project p r o j e c t execution, e x e c u t i o n , detail d e t a i l design d e s i g n and a n d modifications. m o d i f i c a t i o n s . 1.3 1 . 3 Provision P r o v i s i o n Provision P r o v i s i o n is i s made m a d e in i n Management M a n a g e m e n t System S y s t e m (TR3010 ( T R 3 0 1 0 “Mechanical “ M e c h a n i c a l Technology T e c h n o l o g y Technical T e c h n i c a l Requirements R e q u i r e m e n t s and a n d Standards”). S t a n d a r d s ” ) . 2 2 TR2000 T R 2 0 0 0 - - Piping P i p i n g and a n d valve v a l v e material m a t e r i a l specification s p e c i f i c a t i o n 2.1 2 . 1 General G e n e r a l TR2000 T R 2 0 0 0 is i s a a Piping P i p i n g and a n d Valve V a l v e Specification S p e c i f i c a t i o n System. S y s t e m . The T h e basic b a s i c principles p r i n c i p l e s of o f the t h e system s y s t e m are a r e to t o standardize s t a n d a r d i z e requirements r e q u i r e m e n t s to t o components c o m p o n e n t s and a n d to t o tailor t a i l o r the t h e menu m e n u of o f Piping P i p i n g Class C l a s s Sheets S h e e t s (PCS) ( P C S ) to t o each e a c h plant´s p l a n t ´ s need, n e e d , i.e. i . e . process p r o c e s s requirements. r e q u i r e m e n t s . The T h e TR2000 T R 2 0 0 0 “Plants” “ P l a n t s ” includes i n c l u d e s piping p i p i n g and a n d valve v a l v e material m a t e r i a l specifications s p e c i f i c a t i o n s for f o r Plant P l a n t Categories C a t e g o r i e s "Operative " O p e r a t i v e Plants" P l a n t s " including i n c l u d i n g existing e x i s t i n g plants p l a n t s and a n d realization r e a l i z a t i o n projects, p r o j e c t s , "Best " B e s t Practice" P r a c t i c e " library l i b r a r y with w i t h piping p i p i n g class c l a s s sheets s h e e t s (typical ( t y p i c a l naming n a m i n g E E MAS) M A S ) and a n d "Frame " F r a m e Agreements". A g r e e m e n t s " . For F o r each e a c h plant, p l a n t , all a l l relevant r e l e v a n t datasheets d a t a s h e e t s are a r e collected c o l l e c t e d in i n an a n Issue. I s s u e . The T h e Issue I s s u e contains c o n t a i n s a a set s e t of o f plant p l a n t specific s p e c i f i c PCS´s, P C S ´ s , with w i t h specific s p e c i f i c revisions r e v i s i o n s of o f all a l l referenced r e f e r e n c e d datasheets d a t a s h e e t s i.e. i . e . MDS, M D S , VDS V D S etc. e t c . To T o avoid a v o i d frequent f r e q u e n t changes c h a n g e s of o f a a plant p l a n t specific s p e c i f i c Issue, I s s u e , an a n Issue I s s u e is i s not n o t always a l w a y s updated u p d a t e d to t o include i n c l u d e the t h e latest l a t e s t revision r e v i s i o n of o f datasheets d a t a s h e e t s referenced r e f e r e n c e d from f r o m PCS. P C S . SR-15915 S R - 1 5 9 1 5 - - For F o r projects p r o j e c t s in i n the t h e study s t u d y phase p h a s e "Best " B e s t Practice" P r a c t i c e " library l i b r a r y should s h o u l d be b e used u s e d as a s the t h e basis b a s i s for f o r the t h e studies. s t u d i e s . In I n cases c a s e s where w h e r e the t h e project p r o j e c t is i s mature m a t u r e and a n d requires r e q u i r e s special s p e c i a l piping p i p i n g classes, c l a s s e s , a a plant p l a n t for f o r the t h e project p r o j e c t specific s p e c i f i c piping p i p i n g and a n d valve v a l v e specification s p e c i f i c a t i o n shall s h a l l be b e developed d e v e l o p e d in i n the t h e TR2000 T R 2 0 0 0 database d a t a b a s e and a n d will w i l l be b e located l o c a t e d in i n Plant P l a n t Category C a t e g o r y "Operative " O p e r a t i v e Plant". P l a n t " . Reference R e f e r e n c e is i s made m a d e to t o www.TR2000.net. w w w . T R 2 0 0 0 . n e t . SR-15916 S R - 1 5 9 1 6 - - The T h e TR2000 T R 2 0 0 0 shall s h a l l be b e developed d e v e l o p e d along a l o n g with w i t h material m a t e r i a l selection s e l e c t i o n and a n d process p r o c e s s requirements r e q u i r e m e n t s to t o achieve a c h i e v e a a good g o o d Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 5 5 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l technical t e c h n i c a l and a n d economical e c o n o m i c a l solution s o l u t i o n as a s described d e s c r i b e d below. b e l o w . SR-15917 S R - 1 5 9 1 7 - - New N e w piping p i p i n g classes c l a s s e s and a n d Valve V a l v e Data D a t a Sheets S h e e t s shall s h a l l be b e generated g e n e r a t e d from f r o m the t h e TR2000 T R 2 0 0 0 based b a s e d on o n existing e x i s t i n g piping p i p i n g component c o m p o n e n t articles. a r t i c l e s . All A l l adjustments a d j u s t m e n t s and/or a n d / o r additional a d d i t i o n a l piping p i p i n g classes/Valve c l a s s e s / V a l v e Data D a t a Sheets S h e e t s etc. e t c . shall s h a l l be b e approved. a p p r o v e d . SR-15868 S R - 1 5 8 6 8 - - The T h e development d e v e l o p m e n t of o f the t h e TR2000 T R 2 0 0 0 must m u s t be b e started s t a r t e d early e a r l y in i n the t h e project p r o j e c t phase p h a s e and a n d will w i l l be b e a a “living” “ l i v i n g ” document d o c u m e n t as a s the t h e development d e v e l o p m e n t of o f the t h e project p r o j e c t progresses. p r o g r e s s e s . This T h i s includes i n c l u d e s all a l l project p r o j e c t development d e v e l o p m e n t phases. p h a s e s . 2.2 2 . 2 Design D e s i g n codes c o d e s SR-12659 S R - 1 2 6 5 9 - - Design D e s i g n code c o d e is i s specified s p e c i f i e d in i n TR2000 T R 2 0 0 0 Piping P i p i n g Class C l a s s sheet. s h e e t . ASME A S M E B31.3 B 3 1 . 3 shall s h a l l normally n o r m a l l y be b e used. u s e d . Other O t h e r codes c o d e s may m a y be b e used u s e d when w h e n required r e q u i r e d and a n d it i t shall s h a l l then t h e n be b e identified i d e n t i f i e d in i n the t h e TR2000 T R 2 0 0 0 Piping P i p i n g Class C l a s s sheets. s h e e t s . 2.3 2 . 3 The T h e European E u r o p e a n Pressure P r e s s u r e Equipment E q u i p m e n t Directive D i r e c t i v e (PED) ( P E D ) SR-12661 S R - 1 2 6 6 1 - - The T h e European E u r o p e a n Union U n i o n Pressure P r e s s u r e Directive D i r e c t i v e (PED) ( P E D ) is i s mandatory m a n d a t o r y for f o r plants p l a n t s located l o c a t e d within w i t h i n the t h e European E u r o p e a n Economic E c o n o m i c Area A r e a (EEA). ( E E A ) . If I f changes c h a n g e s in i n the t h e TR2000 T R 2 0 0 0 are a r e proposed p r o p o s e d relative r e l a t i v e to t o PED, P E D , then t h e n Company C o m p a n y shall s h a l l be b e addressed a d d r e s s e d with w i t h the t h e objective o b j e c t i v e to t o participate p a r t i c i p a t e in i n discussion d i s c u s s i o n and a n d communications c o m m u n i c a t i o n s in i n order o r d e r to t o maintain m a i n t a i n the t h e TR2000 T R 2 0 0 0 technology. t e c h n o l o g y . Contractor C o n t r a c t o r shall s h a l l develop d e v e l o p and a n d present p r e s e n t a a PED P E D strategy s t r a t e g y to t o Company, C o m p a n y , detailing d e t a i l i n g Contractor's C o n t r a c t o r ' s methods m e t h o d s to t o achieve a c h i e v e PED P E D compliance. c o m p l i a n c e . Each E a c h project p r o j e c t shall s h a l l be b e responsible r e s p o n s i b l e for f o r PED P E D compliance c o m p l i a n c e by b y a a Notified N o t i f i e d Body’s B o d y ’ s formal f o r m a l approval. a p p r o v a l . Engagement E n g a g e m e n t of o f Notified N o t i f i e d Body B o d y in i n this t h i s process p r o c e s s is i s dependent d e p e n d e n t on o n the t h e Contractor’s C o n t r a c t o r ’ s quality q u a l i t y system s y s t e m and a n d the t h e selected s e l e c t e d quality q u a l i t y module. m o d u l e . SR-15918 S R - 1 5 9 1 8 - - A A general g e n e r a l conformity c o n f o r m i t y assessment a s s e s s m e n t of o f use u s e of o f ASME A S M E B31.3 B 3 1 . 3 / / TR2000 T R 2 0 0 0 under u n d e r PED P E D has h a s been b e e n performed p e r f o r m e d by b y two t w o independent i n d e p e n d e n t Norwegian N o r w e g i a n Notified N o t i f i e d Bodies B o d i e s DNV D N V GL G L and a n d Kiwa. K i w a . Discussions D i s c u s s i o n s regarding r e g a r d i n g use u s e of o f ASME A S M E B31.3 B 3 1 . 3 as a s design d e s i g n code c o d e and a n d materials m a t e r i a l s (ASTM) ( A S T M ) are a r e hence h e n c e not n o t any a n y issue i s s u e as a s long l o n g as a s any a n y of o f these t h e s e Notified N o t i f i e d Bodies B o d i e s are a r e selected. s e l e c t e d . Ref. R e f . PED P E D tab t a b in i n TR2000. T R 2 0 0 0 . If I f another a n o t h e r Notified N o t i f i e d Body B o d y is i s selected s e l e c t e d for f o r a a project, p r o j e c t , the t h e selected s e l e c t e d Notified N o t i f i e d Body B o d y has h a s to t o perform p e r f o r m an a n evaluation e v a l u a t i o n of o f TR2000 T R 2 0 0 0 and a n d use u s e of o f ASME A S M E B31.3 B 3 1 . 3 under u n d e r PED P E D (preferable ( p r e f e r a b l e as a s an a n endorsement e n d o r s e m e n t of o f DNV D N V GL's G L ' s and a n d Kiwa's K i w a ' s conclusions). c o n c l u s i o n s ) . 2.4 2 . 4 Line L i n e sizing s i z i n g and a n d material m a t e r i a l selection s e l e c t i o n SR-12663 S R - 1 2 6 6 3 - - Line L i n e sizing s i z i n g and a n d material m a t e r i a l selection s e l e c t i o n is i s a a part p a r t of o f the t h e development d e v e l o p m e n t of o f a a project’s p r o j e c t ’ s TR2000 T R 2 0 0 0 and a n d shall s h a l l be b e based b a s e d on o n how h o w material m a t e r i a l selection, s e l e c t i o n , piping p i p i n g class c l a s s selection s e l e c t i o n and a n d process p r o c e s s requirements r e q u i r e m e n t s affect a f f e c t the t h e economical e c o n o m i c a l result. r e s u l t . Reference R e f e r e n c e is i s made m a d e to t o section s e c t i o n 9 9 below b e l o w for f o r line l i n e sizing s i z i n g and a n d optimization. o p t i m i z a t i o n . 2.5 2 . 5 Piping P i p i n g specification s p e c i f i c a t i o n in i n mechanical m e c h a n i c a l packages p a c k a g e s SR-12665 S R - 1 2 6 6 5 - - Piping P i p i n g specification s p e c i f i c a t i o n in i n mechanical m e c h a n i c a l packages p a c k a g e s or o r system s y s t e m modules m o d u l e s shall s h a l l be b e according a c c o r d i n g to t o TR2000. T R 2 0 0 0 . However, H o w e v e r , for f o r equipment e q u i p m e n t where w h e r e it i t is i s unreasonable u n r e a s o n a b l e to t o use u s e this t h i s specification, s p e c i f i c a t i o n , the t h e supplier s u p p l i e r may m a y request r e q u e s t a a deviation. d e v i a t i o n . The T h e deviation d e v i a t i o n can c a n only o n l y be b e implemented i m p l e m e n t e d after a f t e r acceptance. a c c e p t a n c e . Deviation D e v i a t i o n request r e q u e s t shall s h a l l include i n c l u d e details d e t a i l s enabling e n a b l i n g Company C o m p a n y to t o evaluate e v a l u a t e if i f the t h e alternative a l t e r n a t i v e solution s o l u t i o n shall s h a l l be b e included i n c l u d e d in i n TR2000. T R 2 0 0 0 . 2.6 2 . 6 Valve V a l v e selection s e l e c t i o n SR-12667 S R - 1 2 6 6 7 - - TR3017 T R 3 0 1 7 Valve V a l v e Selection S e l e c t i o n Manual M a n u a l shall s h a l l be b e used u s e d in i n projects. p r o j e c t s . Engineering E n g i n e e r i n g evaluation e v a l u a t i o n shall s h a l l be b e performed p e r f o r m e d with w i t h the t h e objective o b j e c t i v e to t o evaluate e v a l u a t e all a l l affecting a f f e c t i n g parameters p a r a m e t e r s and a n d to t o achieve a c h i e v e an a n optimal o p t i m a l solution. s o l u t i o n . Deviations D e v i a t i o n s to t o TR3017 T R 3 0 1 7 may m a y be b e proposed, p r o p o s e d , but b u t shall s h a l l only o n l y be b e implemented i m p l e m e n t e d if i f accepted. a c c e p t e d . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 6 6 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 2.7 2 . 7 Flanges F l a n g e s and a n d mechanicaljoints m e c h a n i c a l j o i n t s (Clamp ( C l a m p connector) c o n n e c t o r ) SR-15919 S R - 1 5 9 1 9 - - Flanges F l a n g e s and/or a n d / o r mechanical m e c h a n i c a l joints j o i n t s are a r e specified s p e c i f i e d in i n each e a c h of o f the t h e Piping P i p i n g Classes C l a s s e s in i n TR2000. T R 2 0 0 0 . ASME A S M E B16.5 B 1 6 . 5 and a n d ASME A S M E B B 16.47 1 6 . 4 7 Series S e r i e s A A (MSS-SP-44) ( M S S - S P - 4 4 ) shall s h a l l generally g e n e r a l l y be b e specified s p e c i f i e d for f o r pressure p r e s s u r e Class C l a s s 150 1 5 0 andupto a n d u p t o an a n including i n c l u d i n g class c l a s s 2500. 2 5 0 0 . Clamp C l a m p connector c o n n e c t o r maybe m a y b e specified s p e c i f i e d for f o r Class C l a s s 1500 1 5 0 0 and a n d higherup h i g h e r u p andincluding a n d i n c l u d i n g 12” 1 2 ” size, s i z e , see s e e table t a b l e 1. 1 . Valves V a l v e s are a r e normally n o r m a l l y specified s p e c i f i e d with w i t h flanged f l a n g e d or o r mechanicaljoint m e c h a n i c a l j o i n t connections. c o n n e c t i o n s . Piping P i p i n g inline i n l i n e equipment e q u i p m e n t should s h o u l d be b e specified s p e c i f i e d similarly. s i m i l a r l y . Deviation D e v i a t i o n to t o this t h i s may m a y be b e accepted a c c e p t e d if i f the t h e equipmentclearly e q u i p m e n t c l e a r l y is i s designed d e s i g n e d for f o r thelife t h e l i f e time t i m e of o f the t h e plant p l a n t without w i t h o u t need n e e d of o f disconnection, d i s c o n n e c t i o n , or o r if i f needed n e e d e d for f o r special s p e c i a l reasons, r e a s o n s , e.g. e . g . toxic t o x i c fluids. f l u i d s . Other O t h e r equipment e q u i p m e n t connected c o n n e c t e d to t o piping p i p i n g shall s h a l l be b e specified s p e c i f i e d with w i t h the t h e same s a m e connection c o n n e c t i o n asstated a s s t a t e d in i n the t h e Piping P i p i n g Class. C l a s s . See S e e also a l s o section s e c t i o n 3, 3 , “Flange “ F l a n g e pressure p r e s s u r e rating r a t i n g and a n d design d e s i g n pressure” p r e s s u r e ” regarding r e g a r d i n g design d e s i g n pressure p r e s s u r e for f o r ASME A S M E and a n d MSS-SP M S S - S P flanges. f l a n g e s . ASMEB16.5 A S M E B 1 6 . 5 ASME A S M E B16.47A B 1 6 . 4 7 A Compact C o m p a c t flange f l a n g e Mechanical M e c h a n i c a l Joints J o i n t s CL150 C L 1 5 0 <=24" < = 2 4 " 26"-60" 2 6 " - 6 0 " CL300 C L 3 0 0 <=24" < = 2 4 " 26"-60" 2 6 " - 6 0 " CL600 C L 6 0 0 <=24" < = 2 4 " 26"-60" 2 6 " - 6 0 " 3"-48" 3 " - 4 8 " CL900 C L 9 0 0 <=24" < = 2 4 " 26"-48" 2 6 " - 4 8 " 3"-48" 3 " - 4 8 " CL1500 C L 1 5 0 0 <=24" < = 2 4 " 3"-48" 3 " - 4 8 " 1°-12" 1 ° - 1 2 " CL2500 C L 2 5 0 0 <=12" < = 1 2 " 3"-24" 3 " - 2 4 " 1°-12" 1 ° - 1 2 " CL4500 C L 4 5 0 0 —> — > 1°-12" 1 ° - 1 2 " Table T a b l e 1 1 Table T a b l e for f o r selection s e l e c t i o n of o f flanges f l a n g e s and a n d mechanicaljoints m e c h a n i c a l j o i n t s 2.7.1 2 . 7 . 1 ASME A S M E B16.5 B 1 6 . 5 flanges f l a n g e s versus v e r s u s Compact C o m p a c t flanges f l a n g e s SR-12673 S R - 1 2 6 7 3 - - ASME A S M E B16.5 B 1 6 . 5 (ASMEB ( A S M E B 16.47 1 6 . 4 7 Series S e r i e s A)ring A ) r i n g joint j o i n t facing f a c i n g shall s h a l l be b e used u s e d as a s default d e f a u l t for f o r CL C L 600 6 0 0 to t o CL C L 2500. 2 5 0 0 . SR-12674 S R - 1 2 6 7 4 - - Compactflanges C o m p a c t f l a n g e s should s h o u l d be b e used u s e d whenthe w h e n t h e following f o l l o w i n g conditions c o n d i t i o n s and a n d design d e s i g n requirements r e q u i r e m e n t s are a r e important i m p o r t a n t for f o r the t h e project: p r o j e c t : e e Weight W e i g h t savingis s a v i n g i s critical c r i t i c a l or o r required. r e q u i r e d . e e Beneficial B e n e f i c i a l to t o the t h e stress s t r e s s calculation c a l c u l a t i o n (more ( m o r e resistant r e s i s t a n t to t o explosion e x p l o s i o n loads). l o a d s ) . e e The T h e present p r e s e n t design d e s i g n and a n d layoutwill l a y o u t w i l l require r e q u i r e or o r benefit b e n e f i t in i n smaller s m a l l e r flange f l a n g e dimensions. d i m e n s i o n s . e e Credited C r e d i t e d for f o r safety s a f e t y (more ( m o r e safe s a f e than t h a n ASME A S M E B16_5 B 1 6 _ 5 flanges) f l a n g e s ) due d u e to t o two t w o sealing s e a l i n g faces f a c e s (heel ( h e e l and a n d ring) r i n g ) andstatic a n d s t a t i c behaviourof b e h a v i o u r o f the t h e flange. f l a n g e . e e The T h e ring r i n g (gasket) ( g a s k e t ) is i s less l e s s exposed e x p o s e d to t o the t h e fluid, f l u i d , external e x t e r n a l environment e n v i r o n m e n t and a n d thereby t h e r e b y corrosion. c o r r o s i o n . SR-12675 S R - 1 2 6 7 5 - - When W h e n Compact C o m p a c t flanges f l a n g e s are a r e selected s e l e c t e d they t h e y shall s h a l l not n o t be b e used u s e d for f o r equipmentlisted e q u i p m e n t l i s t e d below: b e l o w : e e Sensitive S e n s i t i v e Rotating R o t a t i n g Equipment E q u i p m e n t e e Spectacle S p e c t a c l e blinds b l i n d s and a n d spacers s p a c e r s that t h a t are a r e frequently f r e q u e n t l y used u s e d (every ( e v e r y 6 6 month m o n t h or o r more m o r e frequent) f r e q u e n t ) SR-12676 S R - 1 2 6 7 6 - - The T h e project p r o j e c t shall s h a l l standardise s t a n d a r d i s e on o n onetype o n e t y p e of o f flange/joint f l a n g e / j o i n t (to ( t o the t h e maximum m a x i m u m extent). e x t e n t ) . SR-14734 S R - 1 4 7 3 4 - - Manufacture/machining M a n u f a c t u r e / m a c h i n i n g shall s h a l l be b e prequalified p r e q u a l i f i e d prior p r i o r to t o fabrication f a b r i c a t i o n of o f Compactflanges. C o m p a c t f l a n g e s . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 7 7 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 2.7.2 2 . 7 . 2 Compact C o m p a c t flanges f l a n g e s 2.7.2.1 2 . 7 . 2 . 1 General G e n e r a l requirements r e q u i r e m e n t s Compact C o m p a c t flanges f l a n g e s according a c c o r d i n g to t o the t h e standard s t a n d a r d ISO I S O 27509 2 7 5 0 9 may m a y be b e specified s p e c i f i e d for f o r pressure p r e s s u r e class c l a s s 600 6 0 0 and a n d higher h i g h e r and a n d for f o r pipe p i p e sizes s i z e s 3” 3 ” and a n d larger. l a r g e r . SR-16831 S R - 1 6 8 3 1 - - Compact C o m p a c t flange f l a n g e shall s h a l l not n o t be b e evaluated e v a l u a t e d for f o r use u s e for f o r pressure p r e s s u r e class c l a s s below b e l o w class c l a s s 600 6 0 0 for f o r austenitic a u s t e n i t i c stainless s t a i n l e s s steel s t e e l materials m a t e r i a l s due d u e to t o undesirable u n d e s i r a b l e welding w e l d i n g heat h e a t effects e f f e c t s that t h a t can c a n cause c a u s e deformation d e f o r m a t i o n on o n the t h e flange. f l a n g e . The T h e project p r o j e c t Piping P i p i n g Class C l a s s will w i l l show s h o w the t h e type t y p e of o f joints j o i n t s to t o be b e used. u s e d . 2.7.2.2 2 . 7 . 2 . 2 Compact C o m p a c t flanges f l a n g e s installed i n s t a l l e d upstream u p s t r e a m of o f ESDV E S D V (riser ( r i s e r side s i d e for f o r offshore) o f f s h o r e ) SR-12681 S R - 1 2 6 8 1 - - If I f flanges f l a n g e s can c a n be b e used u s e d on o n the t h e riser r i s e r side s i d e of o f a a flow f l o w line, l i n e , compact c o m p a c t flanges f l a n g e s shall s h a l l be b e the t h e preferred p r e f e r r e d selection. s e l e c t i o n . For F o r technical t e c h n i c a l safety s a f e t y requirements r e q u i r e m e n t s see s e e TR1055 T R 1 0 5 5 (offshore) ( o f f s h o r e ) and a n d TR2237 T R 2 2 3 7 (onshore). ( o n s h o r e ) . SR-14739 S R - 1 4 7 3 9 - - Riser R i s e r components c o m p o n e n t s on o n battery b a t t e r y limit l i m i t pipeline p i p e l i n e side s i d e of o f ESDV E S D V shall s h a l l comply c o m p l y with w i t h TR1098, T R 1 0 9 8 , Submarine S u b m a r i n e pipeline p i p e l i n e systems. s y s t e m s . SR-12682 S R - 1 2 6 8 2 - - Where W h e r e compact c o m p a c t flanges f l a n g e s are a r e used u s e d on o n risers, r i s e r s , the t h e following f o l l o w i n g additional a d d i t i o n a l technical t e c h n i c a l requirements r e q u i r e m e n t s shall s h a l l be b e adhered a d h e r e d to: t o : Special S p e c i a l design d e s i g n of o f compact c o m p a c t flanges f l a n g e s outside o u t s i d e ISO I S O 27509 2 7 5 0 9 shall s h a l l be b e verified v e r i f i e d according a c c o r d i n g to t o ISO I S O 10423 1 0 4 2 3 Annex A n n e x F F or o r qualified q u a l i f i e d according a c c o r d i n g to t o ARIS, A R I S , Qualify Q u a l i f y technology t e c h n o l o g y for f o r first f i r s t use. u s e . Compact C o m p a c t flange f l a n g e design d e s i g n shall s h a l l be b e verified v e r i f i e d and a n d accepted a c c e p t e d by b y technical t e c h n i c a l personnel p e r s o n n e l - - typically t y p i c a l l y discipline d i s c i p l i n e responsible r e s p o n s i b l e (internal ( i n t e r n a l or o r external) e x t e r n a l ) having h a v i n g relevant r e l e v a n t competence c o m p e t e n c e on o n compact c o m p a c t flanges. f l a n g e s . Weld W e l d neck n e c k compact c o m p a c t flanges f l a n g e s shall s h a l l be b e made m a d e according a c c o r d i n g to t o ISO I S O 27509. 2 7 5 0 9 . The T h e compact c o m p a c t flanges f l a n g e s shall s h a l l be b e subject s u b j e c t to t o individual i n d i v i d u a l dimensional d i m e n s i o n a l checks. c h e c k s . A A test t e s t procedure p r o c e d u r e for f o r testing t e s t i n g of o f flange f l a n g e after a f t e r welding w e l d i n g to t o pup p u p piece p i e c e or o r riser r i s e r shall s h a l l be b e developed d e v e l o p e d and a n d accepted. a c c e p t e d . The T h e test t e s t procedure p r o c e d u r e shall s h a l l as a s a a minimum m i n i m u m include i n c l u d e the t h e following f o l l o w i n g requirements: r e q u i r e m e n t s : The T h e flange f l a n g e shall s h a l l be b e individually i n d i v i d u a l l y pressure p r e s s u r e tested t e s t e d to t o verify v e r i f y and a n d document d o c u m e n t that t h a t the t h e sealing s e a l i n g surfaces s u r f a c e s in i n both b o t h heal h e a l and a n d ring r i n g groove g r o o v e are a r e tight. t i g h t . The T h e flange f l a n g e shall s h a l l be b e tested t e s t e d with w i t h blind b l i n d flange f l a n g e designed d e s i g n e d with w i t h a a test t e s t port p o r t between b e t w e e n flange f l a n g e heal h e a l and a n d ring r i n g groove. g r o o v e . Test T e s t no. n o . 1 1 shall s h a l l be b e performed p e r f o r m e d with w i t h a a IX I X seal s e a l ring r i n g in i n the t h e compact c o m p a c t flange f l a n g e ring r i n g groove g r o o v e with w i t h 1.5 1 . 5 times t i m e s the t h e design d e s i g n pressure p r e s s u r e to t o verify v e r i f y the t h e flange f l a n g e heel h e e l sealing s e a l i n g capability. c a p a b i l i t y . The T h e pressure p r e s s u r e shall s h a l l be b e monitored m o n i t o r e d and a n d any a n y leakage l e a k a g e shall s h a l l be b e measured m e a s u r e d through t h r o u g h the t h e blind b l i n d flange f l a n g e test t e s t port. p o r t . Test T e s t no. n o . 2 2 shall s h a l l be b e performed p e r f o r m e d with w i t h a a IX I X seal s e a l ring r i n g in i n the t h e compact c o m p a c t flange f l a n g e ring r i n g groove g r o o v e with w i t h 1.5 1 . 5 times t i m e s the t h e design d e s i g n pressure p r e s s u r e of o f the t h e Piping P i p i n g Class C l a s s in i n both b o t h flange f l a n g e bore b o r e and a n d blind b l i n d flange f l a n g e test t e s t port p o r t to t o verify v e r i f y the t h e flange f l a n g e ring r i n g groove g r o o v e sealing s e a l i n g capability. c a p a b i l i t y . Any A n y leakage l e a k a g e shall s h a l l be b e measured m e a s u r e d with w i t h a a pressure p r e s s u r e gauge g a u g e through t h r o u g h the t h e blind b l i n d flange f l a n g e test t e s t port p o r t by b y monitoring m o n i t o r i n g any a n y pressure p r e s s u r e decrease. d e c r e a s e . Alternative A l t e r n a t i v e test t e s t procedures p r o c e d u r e s may m a y be b e proposed p r o p o s e d for f o r evaluation e v a l u a t i o n and a n d acceptance. a c c e p t a n c e . In I n addition a d d i t i o n to t o the t h e assembly a s s e m b l y requirements r e q u i r e m e n t s in i n ISO I S O 27509 2 7 5 0 9 the t h e following f o l l o w i n g shall s h a l l be b e added a d d e d and a n d included i n c l u d e d in i n a a procedure p r o c e d u r e that t h a t shall s h a l l be b e developed d e v e l o p e d and a n d accepted: a c c e p t e d : Perform P e r f o r m visual v i s u a l inspection i n s p e c t i o n to t o verify v e r i f y that t h a t there t h e r e are a r e no n o damages d a m a g e s or o r corrosion c o r r o s i o n on o n the t h e flange f l a n g e sealing s e a l i n g surface s u r f a c e immediately i m m e d i a t e l y prior p r i o r to t o flange f l a n g e assembly a s s e m b l y and a n d bolt-up. b o l t - u p . For F o r preservation, p r e s e r v a t i o n , apply a p p l y a a layer l a y e r of o f thin t h i n oil o i l on o n flange f l a n g e sealing s e a l i n g surfaces s u r f a c e s and a n d on o n the t h e IX I X seal s e a l ring. r i n g . Apply A p p l y grease g r e a s e on o n the t h e middle m i d d l e section s e c t i o n of o f the t h e bolt b o l t (the ( t h e part p a r t of o f the t h e bolt b o l t that t h a t will w i l l be b e inside i n s i d e the t h e flange). f l a n g e ) . The T h e Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 8 8 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l remaining r e m a i n i n g part p a r t of o f the t h e bolt b o l t shall s h a l l be b e lubricated l u b r i c a t e d with w i t h special s p e c i a l paste p a s t e for f o r bolt b o l t torque. t o r q u e . Protection P r o t e c t i o n caps c a p s should s h o u l d be b e provided p r o v i d e d for f o r bolt b o l t and a n d nut n u t protruding p r o t r u d i n g out o u t from f r o m flange. f l a n g e . Apply A p p l y a a wax w a x layer l a y e r on o n the t h e outside o u t s i d e of o f the t h e flange f l a n g e wedge w e d g e in i n order o r d e r to t o protect p r o t e c t bolting b o l t i n g from f r o m environmental e n v i r o n m e n t a l moist m o i s t etc. e t c . The T h e seal s e a l ring r i n g shall s h a l l not n o t be b e re-used r e - u s e d if i f the t h e flange f l a n g e connection c o n n e c t i o n has h a s been b e e n opened. o p e n e d . A A procedure p r o c e d u r e shall s h a l l be b e developed d e v e l o p e d if i f the t h e joint j o i n t has h a s to t o be b e re-opened r e - o p e n e d including i n c l u d i n g the t h e requirements r e q u i r e m e n t s listed l i s t e d above. a b o v e . 3 3 Flange F l a n g e pressure p r e s s u r e rating r a t i n g and a n d design d e s i g n pressure p r e s s u r e 3.1 3 . 1 Occasional O c c a s i o n a l variation v a r i a t i o n of o f pressure p r e s s u r e and a n d temperature t e m p e r a t u r e SR-12688 S R - 1 2 6 8 8 - - ASME A S M E B31.3 B 3 1 . 3 allows a l l o w s for f o r the t h e piping p i p i n g to t o be b e exposed e x p o s e d to t o temperature t e m p e r a t u r e and a n d pressure p r e s s u r e over o v e r the t h e design d e s i g n in i n periods p e r i o d s as a s defined d e f i n e d in i n ASME A S M E B31.3 B 3 1 . 3 § § 302.2.4. 3 0 2 . 2 . 4 . The T h e use u s e of o f this t h i s paragraph p a r a g r a p h is i s encouraged e n c o u r a g e d where w h e r e significant s i g n i f i c a n t cost c o s t and a n d weight w e i g h t savings s a v i n g s can c a n be b e achieved. a c h i e v e d . To T o ensure e n s u r e safe s a f e and a n d consistent c o n s i s t e n t practice p r a c t i c e and a n d to t o document d o c u m e n t the t h e use u s e for f o r the t h e operational o p e r a t i o n a l phase, p h a s e , the t h e use u s e of o f this t h i s paragraph p a r a g r a p h shall s h a l l be b e documented d o c u m e n t e d and a n d approved a p p r o v e d in i n deviation d e v i a t i o n system; s y s t e m ; DISP. D I S P . The T h e content c o n t e n t of o f the t h e deviation d e v i a t i o n request r e q u e s t shall s h a l l be b e as a s specified s p e c i f i e d in i n 3.1.4. 3 . 1 . 4 . The T h e two t w o Norwegian N o r w e g i a n Notified N o t i f i e d Bodies B o d i e s DnV D n V and a n d TIS T I S have h a v e accepted a c c e p t e d the t h e use u s e of o f this t h i s paragraph p a r a g r a p h under u n d e r PED. P E D . 3.1.1 3 . 1 . 1 Example E x a m p l e of o f application a p p l i c a t i o n of o f deviation d e v i a t i o n Shut-in S h u t - i n pressure p r e s s u r e of o f well w e l l stream s t r e a m when w h e n considerably c o n s i d e r a b l y higher h i g h e r than t h a n normal n o r m a l operating o p e r a t i n g conditions c o n d i t i o n s Shut-in S h u t - i n pressure p r e s s u r e of o f pumps p u m p s and a n d compressors c o m p r e s s o r s Equalising E q u a l i s i n g pressure p r e s s u r e across a c r o s s discharge d i s c h a r g e to t o suction s u c t i o n pressure p r e s s u r e of o f compressors c o m p r e s s o r s and a n d pumps. p u m p s . When W h e n PSHH P S H H or o r PSH P S H dependent d e p e n d e n t on o n process p r o c e s s case c a s e can c a n be b e set s e t high h i g h enough e n o u g h compared c o m p a r e d to t o normal n o r m a l operating o p e r a t i n g condition c o n d i t i o n to t o avoid a v o i d operating o p e r a t i n g limitation. l i m i t a t i o n . In I n such s u c h cases c a s e s design d e s i g n condition c o n d i t i o n should s h o u l d be b e at a t the t h e PSHH P S H H or o r PSH P S H if i f considerable c o n s i d e r a b l e saving s a v i n g in i n piping p i p i n g material m a t e r i a l is i s achieved a c h i e v e d Pressure P r e s s u r e surge, s u r g e , e.g. e . g . water w a t e r hammer, h a m m e r , see s e e GL1951. G L 1 9 5 1 . These T h e s e are a r e examples e x a m p l e s only o n l y and a n d other o t h e r cases c a s e s may m a y be b e evaluated. e v a l u a t e d . 3.1.2 3 . 1 . 2 PSV P S V set s e t pressure p r e s s u r e SR-12693 S R - 1 2 6 9 3 - - ASME A S M E B31.3 B 3 1 . 3 § § 322.6.3 3 2 2 . 6 . 3 (b) ( b ) and a n d (c) ( c ) with w i t h respect r e s p e c t to t o PSV P S V set s e t pressure p r e s s u r e shall s h a l l be b e included i n c l u d e d in i n the t h e evaluation, e v a l u a t i o n , also a l s o noting n o t i n g that t h a t note n o t e 13 1 3 in i n (c) ( c ) of o f the t h e § § is i s met. m e t . This T h i s means m e a n s that t h a t set s e t pressure p r e s s u r e of o f PSV P S V that t h a t is i s protecting p r o t e c t i n g the t h e piping p i p i n g may m a y be b e set s e t at a t a a higher h i g h e r pressure p r e s s u r e than t h a n the t h e design d e s i g n pressure p r e s s u r e given g i v e n in i n the t h e piping p i p i n g class. c l a s s . 3.1.3 3 . 1 . 3 Exposure E x p o s u r e time t i m e SR-16833 S R - 1 6 8 3 3 - - For F o r exposure e x p o s u r e above a b o v e the t h e design d e s i g n pressure, p r e s s u r e , Company C o m p a n y philosophy p h i l o s o p h y is i s that t h a t the t h e nature n a t u r e of o f and a n d potential p o t e n t i a l for f o r the t h e exposure e x p o s u r e time t i m e should s h o u l d be b e evaluated e v a l u a t e d and a n d grouped g r o u p e d within w i t h i n the t h e time t i m e frames f r a m e s in i n ASME A S M E B31.3, B 3 1 . 3 , § § 302.2.4 3 0 2 . 2 . 4 (f) ( f ) (1) ( 1 ) and a n d (2), ( 2 ) , based b a s e d on o n the t h e time t i m e being b e i n g nominal n o m i n a l time. t i m e . In I n each e a c h case c a s e of o f occasional o c c a s i o n a l overload o v e r l o a d scenarios, s c e n a r i o s , fulfilments f u l f i l m e n t s of o f the t h e ASME A S M E B31.3 B 3 1 . 3 Chapter C h a p t e r 302.2.4 3 0 2 . 2 . 4 requirements r e q u i r e m e n t s shall s h a l l be b e documented. d o c u m e n t e d . In I n most m o s t cases c a s e s the t h e nature n a t u r e of o f and a n d potential p o t e n t i a l for f o r exposure e x p o s u r e over o v e r design d e s i g n will w i l l be b e sufficient s u f f i c i e n t documentation d o c u m e n t a t i o n of o f fulfilment f u l f i l m e n t of o f code c o d e requirements. r e q u i r e m e n t s . Logging L o g g i n g of o f time t i m e will w i l l normally n o r m a l l y not n o t be b e required. r e q u i r e d . The T h e effect e f f e c t of o f fatigue f a t i g u e of o f the t h e piping p i p i n g and a n d the t h e effect e f f e c t the t h e enhanced e n h a n c e d condition c o n d i t i o n may m a y have h a v e on o n other o t h e r connected c o n n e c t e d pressure p r e s s u r e equipment, e q u i p m e n t , i.e. i . e . valves, v a l v e s , fittings, f i t t i n g s , vessels v e s s e l s etc., e t c . , shall s h a l l be b e taken t a k e n into i n t o account. a c c o u n t . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 9 9 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 3.1.4 3 . 1 . 4 Justification J u s t i f i c a t i o n of o f piping p i p i n g overpressure o v e r p r e s s u r e SR-12698 S R - 1 2 6 9 8 - - For F o r piping p i p i n g systems s y s t e m s with w i t h possible p o s s i b l e overpressure o v e r p r e s s u r e scenarios, s c e n a r i o s , the t h e following f o l l o w i n g minimum m i n i m u m documentation d o c u m e n t a t i o n shall s h a l l be b e included i n c l u d e d in i n a a deviation d e v i a t i o n request. r e q u e s t . Based B a s e d on o n process p r o c e s s data d a t a Per P e r cent c e n t overpressure o v e r p r e s s u r e above a b o v e design d e s i g n (100%) ( 1 0 0 % ) ASME A S M E B31.3 B 3 1 . 3 § § 302.2.4 3 0 2 . 2 . 4 Cause C a u s e of o f overpressure o v e r p r e s s u r e Expected E x p e c t e d frequency f r e q u e n c y of o f overpressure o v e r p r e s s u r e Expected E x p e c t e d duration d u r a t i o n and a n d mechanisms m e c h a n i s m s that t h a t will w i l l limit l i m i t the t h e duration d u r a t i o n Measures M e a s u r e s to t o document d o c u m e n t that t h a t the t h e ASME A S M E requirements r e q u i r e m e n t s are a r e satisfied s a t i s f i e d Cost C o s t / / benefit b e n e f i t assessment a s s e s s m e n t Evaluation E v a l u a t i o n of o f potential p o t e n t i a l risk r i s k in i n case c a s e of o f leakage l e a k a g e from f r o m rated r a t e d components c o m p o n e n t s or o r damage d a m a g e to t o equipment. e q u i p m e n t . Confirmation C o n f i r m a t i o n from f r o m the t h e suppliers s u p p l i e r s that t h a t involved i n v o l v e d valves v a l v e s and a n d equipment e q u i p m e n t will w i l l handle h a n d l e the t h e overpressure o v e r p r e s s u r e if i f the t h e pressure p r e s s u r e exceeds e x c e e d s 1,1 1 , 1 times t i m e s the t h e valve v a l v e design d e s i g n pressure. p r e s s u r e . There T h e r e shall s h a l l be b e an a n approved a p p r o v e d deviation d e v i a t i o n application a p p l i c a t i o n before b e f o r e it i t is i s designed d e s i g n e d for f o r overpressure o v e r p r e s s u r e and a n d implementation i m p l e m e n t a t i o n in i n a a project. p r o j e c t . This T h i s is i s to t o ensure e n s u r e a a uniform u n i f o r m treatment t r e a t m e n t within w i t h i n Company C o m p a n y of o f such s u c h cases. c a s e s . 3.2 3 . 2 ASME A S M E B16.5 B 1 6 . 5 flange f l a n g e pressure p r e s s u r e rating r a t i n g including i n c l u d i n g valves v a l v e s and a n d equipment e q u i p m e n t flanges f l a n g e s SR-12701 S R - 1 2 7 0 1 - - For F o r certain c e r t a i n materials, m a t e r i a l s , Company C o m p a n y uses u s e s higher h i g h e r pressure p r e s s u r e rating r a t i n g than t h a n tabulated t a b u l a t e d in i n ASME A S M E B16.5. B 1 6 . 5 . This T h i s is i s based b a s e d on o n experience e x p e r i e n c e prior p r i o r to t o the t h e time t i m e the t h e material m a t e r i a l was w a s included i n c l u d e d in i n ASME A S M E B16.5, B 1 6 . 5 , and a n d based b a s e d on o n evaluation e v a l u a t i o n and a n d calculation c a l c u l a t i o n according a c c o r d i n g to t o ASME A S M E B31.3 B 3 1 . 3 and a n d ASME A S M E VIII V I I I Div. D i v . 1. 1 . The T h e Piping P i p i n g Classes C l a s s e s and a n d valves v a l v e s in i n TR2000 T R 2 0 0 0 are a r e specified s p e c i f i e d with w i t h the t h e rating r a t i n g as a s determined d e t e r m i n e d by b y Company. C o m p a n y . Flanges F l a n g e s on o n equipment e q u i p m e n t that t h a t are a r e connected c o n n e c t e d to t o the t h e piping p i p i n g shall s h a l l be b e according a c c o r d i n g to t o the t h e rating r a t i n g of o f ASME A S M E B16.5 B 1 6 . 5 or o r TR2000, T R 2 0 0 0 , whichever w h i c h e v e r is i s the t h e higher h i g h e r rating. r a t i n g . Example E x a m p l e of o f material m a t e r i a l that t h a t is i s used u s e d with w i t h higher h i g h e r pressure p r e s s u r e rating r a t i n g than t h a n in i n ASME A S M E B16.5 B 1 6 . 5 are a r e 22 2 2 and a n d 25 2 5 Cr C r duplex d u p l e x material, m a t e r i a l , 6Mo 6 M o and a n d titanium. t i t a n i u m . 4 4 Equipment E q u i p m e n t and a n d system s y s t e m isolation i s o l a t i o n for f o r maintenance m a i n t e n a n c e 4.1 4 . 1 General G e n e r a l Isolation I s o l a t i o n barriers b a r r i e r s as a s it i t is i s handled h a n d l e d in i n this t h i s chapter, c h a p t e r , is i s defined d e f i n e d as a s an a n isolation i s o l a t i o n barrier b a r r i e r between b e t w e e n a a pressurised p r e s s u r i s e d system s y s t e m and a n d a a part p a r t that t h a t will w i l l be b e needed n e e d e d to t o open o p e n for f o r maintenance m a i n t e n a n c e or o r modifications. m o d i f i c a t i o n s . The T h e relevant r e l e v a n t types t y p e s of o f isolation i s o l a t i o n barrier b a r r i e r and a n d the t h e conditions c o n d i t i o n s and a n d limitations l i m i t a t i o n s attached a t t a c h e d to t o them t h e m are a r e described d e s c r i b e d below. b e l o w . SR-12704 S R - 1 2 7 0 4 - - Beyond B e y o n d the t h e specific s p e c i f i c requirements r e q u i r e m e n t s given g i v e n in i n this t h i s document d o c u m e n t and a n d TR3017 T R 3 0 1 7 Valve V a l v e Selection S e l e c t i o n Manual, M a n u a l , design d e s i g n of o f isolation i s o l a t i o n barrier b a r r i e r philosophy p h i l o s o p h y with w i t h valve v a l v e type t y p e shall s h a l l be b e based b a s e d on o n life l i f e cycle c y c l e cost c o s t of o f installation i n s t a l l a t i o n and a n d maintenance m a i n t e n a n c e operations. o p e r a t i o n s . SR-12705 S R - 1 2 7 0 5 - - New N e w products, p r o d u c t s , which w h i c h shall s h a l l be b e used u s e d as a s an a n isolation i s o l a t i o n barrier, b a r r i e r , shall s h a l l be b e qualified q u a l i f i e d for f o r the t h e purpose p u r p o s e in i n accordance a c c o r d a n c e with w i t h ARIS, A R I S , Qualify Q u a l i f y technology t e c h n o l o g y for f o r first f i r s t use. u s e . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 10 1 0 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 4.2 4 . 2 Requirements R e q u i r e m e n t s to t o isolation i s o l a t i o n barrier b a r r i e r practice p r a c t i c e SR-14743 S R - 1 4 7 4 3 - - Table T a b l e 2 2 states s t a t e s the t h e isolation i s o l a t i o n barrier b a r r i e r requirements r e q u i r e m e n t s for f o r different d i f f e r e n t services s e r v i c e s and a n d ratings. r a t i n g s . Comments C o m m e n t s are a r e as a s noted n o t e d below b e l o w the t h e table. t a b l e . Table T a b l e 2 2 Isolation I s o l a t i o n barrier b a r r i e r type t y p e Notes: N o t e s : 1. 1 . Excluding E x c l u d i n g liquefied l i q u e f i e d gas g a s (LNG ( L N G or o r LPG) L P G ) or o r medium m e d i u m at a t a a temperature t e m p e r a t u r e above a b o v e the t h e self-ignition s e l f - i g n i t i o n temperature t e m p e r a t u r e 2. 2 . Toxic T o x i c gas g a s means m e a n s that t h a t the t h e concentration c o n c e n t r a t i o n of o f the t h e toxic t o x i c gas g a s can c a n be b e high h i g h enough e n o u g h to t o cause c a u s e permanent p e r m a n e n t injury i n j u r y or o r death d e a t h by b y breathing b r e a t h i n g it i t in i n case c a s e of o f a a leakage. l e a k a g e . 3. 3 . Classification C l a s s i f i c a t i o n according a c c o r d i n g to t o ASME A S M E B16.5, B 1 6 . 5 , specific s p e c i f i c pressure p r e s s u r e limits l i m i t s are a r e dependent d e p e n d e n t upon u p o n temperature t e m p e r a t u r e and a n d material m a t e r i a l quality, q u a l i t y , but b u t typically t y p i c a l l y CL150 C L 1 5 0 covers c o v e r s pressures p r e s s u r e s up u p to t o 20 2 0 bar, b a r , CL300 C L 3 0 0 covers c o v e r s pressures p r e s s u r e s up u p to t o 50 5 0 bars b a r s and a n d CL600 C L 6 0 0 covers c o v e r s pressures p r e s s u r e s up u p to t o 100 1 0 0 bars. b a r s . 4. 4 . For F o r valves v a l v e s with w i t h dimensions d i m e n s i o n s up u p to t o and a n d including i n c l u d i n g 3" 3 " it i t is i s acceptable a c c e p t a b l e to t o use u s e two t w o block b l o c k valves v a l v e s without w i t h o u t bleed, b l e e d , with w i t h a a simplified s i m p l i f i e d barrier b a r r i e r test. t e s t . 5. 5 . E.g. E . g . equipment e q u i p m e n t that t h a t can c a n be b e removed r e m o v e d and a n d then t h e n blinded b l i n d e d off o f f with w i t h a a blind b l i n d flange, f l a n g e , threaded t h r e a d e d plug/cap p l u g / c a p or o r isolated i s o l a t e d by b y a a physical p h y s i c a l blind b l i n d (Spectacle ( S p e c t a c l e blind b l i n d or o r spade). s p a d e ) . 6. 6 . Typical T y p i c a l liquid l i q u i d systems s y s t e m s that t h a t cannot c a n n o t be b e depressurised d e p r e s s u r i s e d within w i t h i n one o n e hour. h o u r . For F o r barriers b a r r i e r s where w h e r e the t h e system s y s t e m to t o be b e opened o p e n e d is i s in i n an a n area a r e a where w h e r e any a n y liquid l i q u i d leakage l e a k a g e will w i l l be b e collected c o l l e c t e d by b y an a n open o p e n drain d r a i n system s y s t e m with w i t h sufficient s u f f i c i e n t capacity, c a p a c i t y , time t i m e to t o drain d r a i n of o f liquid l i q u i d could c o u l d be b e prolonged. p r o l o n g e d . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 11 1 1 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 7. 7 . Valid V a l i d for f o r duplicated d u p l i c a t e d equipment's, e q u i p m e n t ' s , typical t y p i c a l A A & & B B trains, t r a i n s , where w h e r e maintenance m a i n t e n a n c e normally n o r m a l l y will w i l l last l a s t for f o r typical t y p i c a l several s e v e r a l weeks w e e k s 8. 8 . For F o r instrument i n s t r u m e n t connections c o n n e c t i o n s as a s specified s p e c i f i e d in i n TR2325, T R 2 3 2 5 , isolation i s o l a t i o n between b e t w e e n piping p i p i n g and a n d instruments, i n s t r u m e n t s , a a single s i n g l e valve v a l v e is i s acceptable a c c e p t a b l e for f o r CL150 C L 1 5 0 through t h r o u g h CL2500 C L 2 5 0 0 provided p r o v i d e d that t h a t instrument i n s t r u m e n t equipment e q u i p m e n t includes i n c l u d e s a a built-in b u i l t - i n isolation i s o l a t i o n valve v a l v e and a n d a a bleed b l e e d facility f a c i l i t y 4.3 4 . 3 Blinding B l i n d i n g and a n d physical p h y s i c a l disconnection/ d i s c o n n e c t i o n / removal r e m o v a l of o f spool s p o o l piece p i e c e SR-12710 S R - 1 2 7 1 0 - - Blinding B l i n d i n g and a n d gaskets g a s k e t s shall s h a l l be b e of o f the t h e same s a m e pressure p r e s s u r e class c l a s s as a s the t h e flanges f l a n g e s to t o which w h i c h they t h e y are a r e fitted. f i t t e d . 4.4 4 . 4 Single S i n g l e isolation i s o l a t i o n barrier b a r r i e r by b y use u s e of o f valves v a l v e s SR-12712 S R - 1 2 7 1 2 - - A A single s i n g l e isolation i s o l a t i o n barrier b a r r i e r is i s achieved a c h i e v e d by b y establishing e s t a b l i s h i n g a a barrier b a r r i e r that t h a t can c a n be b e tested t e s t e d prior p r i o r to t o use u s e and a n d be b e maintained m a i n t a i n e d and a n d monitored m o n i t o r e d as a s long l o n g as a s it i t is i s used u s e d as a s a a barrier. b a r r i e r . See S e e appendix a p p e n d i x A A (example ( e x a m p l e 5) 5 ) for f o r description d e s c r i p t i o n of o f how h o w a a typical t y p i c a l single s i n g l e barrier b a r r i e r is i s arranged. a r r a n g e d . 4.5 4 . 5 Double D o u b l e isolation i s o l a t i o n and a n d bleed b l e e d (DI&B) ( D I & B ) by b y use u s e of o f valves v a l v e s SR-12714 S R - 1 2 7 1 4 - - ”Double ” D o u b l e isolation i s o l a t i o n and a n d bleed” b l e e d ” is i s achieved a c h i e v e d by b y establishing e s t a b l i s h i n g two t w o independent i n d e p e n d e n t isolation i s o l a t i o n barriers b a r r i e r s that t h a t both b o t h can c a n be b e tested t e s t e d prior p r i o r to t o use u s e and a n d be b e maintained m a i n t a i n e d and a n d monitored m o n i t o r e d as a s long l o n g as a s they t h e y are a r e used u s e d as a s barrier. b a r r i e r . See S e e appendix a p p e n d i x A A (examples ( e x a m p l e s 1 1 to t o 4) 4 ) for f o r procedure p r o c e d u r e for f o r alternative a l t e r n a t i v e DI&B D I & B barriers. b a r r i e r s . SR-12715 S R - 1 2 7 1 5 - - DI&B D I & B can c a n be b e achieved a c h i e v e d using u s i n g the t h e following f o l l o w i n g two t w o arrangements: a r r a n g e m e n t s : 1. 1 . 2. 2 . Two T w o block b l o c k valves v a l v e s set s e t in i n series s e r i e s with w i t h an a n interposed i n t e r p o s e d bleed-off b l e e d - o f f valve v a l v e stubbed s t u b b e d in i n between b e t w e e n the t h e two t w o block b l o c k valves v a l v e s to t o provide p r o v i d e a a means m e a n s to t o bleed b l e e d to t o a a safe s a f e location l o c a t i o n (see ( s e e valve v a l v e arrangement a r r a n g e m e n t on o n left l e f t hand h a n d side s i d e below). b e l o w ) . DI&B D I & B achieve a c h i e v e in i n a a single s i n g l e valve v a l v e body b o d y with w i t h a a barrier b a r r i e r on o n each e a c h side s i d e of o f the t h e closing c l o s i n g device d e v i c e (ball, ( b a l l , gate, g a t e , plug p l u g or o r similar, s i m i l a r , that t h a t is i s activated a c t i v a t e d through t h r o u g h the t h e valve v a l v e stem s t e m or o r in i n combination c o m b i n a t i o n with w i t h spring s p r i n g and a n d pressure p r e s s u r e forces), f o r c e s ) , and a n d with w i t h a a bleed-off b l e e d - o f f facility f a c i l i t y from f r o m the t h e cavity. c a v i t y . See S e e the t h e valve v a l v e arrangement a r r a n g e m e n t on o n the t h e right r i g h t hand h a n d side s i d e of o f Figure F i g u r e 1 1 below. b e l o w . Figure F i g u r e 1 1 Example E x a m p l e DI&B D I & B with w i t h two t w o valves v a l v e s on o n left l e f t side s i d e and a n d by b y single s i n g l e valve v a l v e on o n right r i g h t side s i d e SR-12716 S R - 1 2 7 1 6 - - For F o r valves v a l v e s where w h e r e the t h e seat s e a t sealing s e a l i n g surface s u r f a c e is i s activated a c t i v a t e d through t h r o u g h the t h e pressure p r e s s u r e from f r o m the t h e media, m e d i a , it i t is i s important i m p o r t a n t to t o ensure e n s u r e that t h a t the t h e downstream d o w n s t r e a m barrier b a r r i e r is i s maintained m a i n t a i n e d in i n correct c o r r e c t position p o s i t i o n (e.g. ( e . g . slabs s l a b s in i n gate g a t e valves v a l v e s can c a n move m o v e with w i t h external e x t e r n a l movement m o v e m e n t or o r by b y gravity g r a v i t y when w h e n not n o t pressurised). p r e s s u r i s e d ) . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 12 1 2 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 4.6 4 . 6 Requirements R e q u i r e m e n t s for f o r valves v a l v e s when w h e n used u s e d as a s isolation i s o l a t i o n barriers b a r r i e r s SR-12718 S R - 1 2 7 1 8 - - It I t shall s h a l l be b e possible p o s s i b l e to t o secure s e c u r e the t h e valve v a l v e in i n the t h e closed c l o s e d position, p o s i t i o n , and a n d the t h e securing s e c u r i n g device d e v i c e shall s h a l l be b e unlocked/ u n l o c k e d / broken b r o k e n before b e f o r e the t h e valve v a l v e can c a n be b e operated. o p e r a t e d . There T h e r e shall s h a l l be b e no n o (cavity ( c a v i t y entrapped) e n t r a p p e d ) pressurised p r e s s u r i s e d hydrocarbons, h y d r o c a r b o n s , toxic t o x i c or o r dangerous d a n g e r o u s medium m e d i u m downstream d o w n s t r e a m the t h e upstream u p s t r e a m barrier b a r r i e r (for ( f o r valves v a l v e s <6” < 6 ” with w i t h a a small s m a l l cavity c a v i t y volume, v o l u m e , deviation d e v i a t i o n to t o this t h i s requirement r e q u i r e m e n t could c o u l d be b e acceptable) a c c e p t a b l e ) Any A n y pressure p r e s s u r e activated a c t i v a t e d sealing s e a l i n g shall s h a l l be b e kept k e p t in i n desired d e s i r e d position p o s i t i o n For F o r actuator-operated a c t u a t o r - o p e r a t e d barrier b a r r i e r valves, v a l v e s , it i t shall s h a l l be b e physically p h y s i c a l l y checked c h e c k e d that t h a t the t h e valves v a l v e s cannot c a n n o t be b e operated o p e r a t e d once o n c e it i t has h a s been b e e n taken t a k e n into i n t o use u s e as a s a a barrier. b a r r i e r . The T h e actuator a c t u a t o r energy e n e r g y supply s u p p l y shall s h a l l be b e disconnected d i s c o n n e c t e d if i f the t h e valve v a l v e is i s not n o t secured s e c u r e d with w i t h mechanical m e c h a n i c a l equipment e q u i p m e n t that t h a t is i s significant s i g n i f i c a n t stronger s t r o n g e r than t h a n the t h e actuator. a c t u a t o r . Barriers B a r r i e r s that t h a t are a r e mechanically m e c h a n i c a l l y activated a c t i v a t e d by b y stem s t e m force f o r c e shall s h a l l have h a v e an a n actuator a c t u a t o r spring s p r i n g return r e t u r n that t h a t force f o r c e the t h e valve v a l v e in i n correct c o r r e c t position, p o s i t i o n , if i f not n o t secured s e c u r e d with w i t h mechanical m e c h a n i c a l equipment e q u i p m e n t that t h a t is i s strong s t r o n g enough e n o u g h to t o ensure e n s u r e this. t h i s . Barriers B a r r i e r s that t h a t are a r e not n o t mechanically m e c h a n i c a l l y activated a c t i v a t e d by b y stem s t e m force f o r c e shall s h a l l have h a v e all a l l springs s p r i n g s in i n the t h e actuator a c t u a t o r in i n the t h e relaxed r e l a x e d position p o s i t i o n if i f the t h e valve v a l v e is i s not n o t secured s e c u r e d with w i t h mechanical m e c h a n i c a l equipment e q u i p m e n t that t h a t is i s significant s i g n i f i c a n t stronger s t r o n g e r than t h a n the t h e actuator. a c t u a t o r . Any A n y gravity g r a v i t y induced i n d u c e d forces f o r c e s shall s h a l l also a l s o be b e considered c o n s i d e r e d (e.g. ( e . g . for f o r reverse r e v e r s e acting a c t i n g slab s l a b gate g a t e valves). v a l v e s ) . SR-12719 S R - 1 2 7 1 9 - - Table T a b l e 3 3 gives g i v e s an a n overview o v e r v i e w of o f how h o w typical t y p i c a l valve v a l v e types t y p e s can c a n be b e used u s e d in i n a a DI&B D I & B barrier. b a r r i e r . The T h e intension i n t e n s i o n of o f this t h i s table t a b l e is i s to t o give g i v e the t h e designer d e s i g n e r an a n overview o v e r v i e w of o f the t h e connections c o n n e c t i o n s needed n e e d e d and a n d work w o r k required r e q u i r e d to t o establish e s t a b l i s h a a safe s a f e isolation i s o l a t i o n barrier. b a r r i e r . (Handling ( H a n d l i n g of o f old o l d valves v a l v e s with w i t h large l a r g e leakages l e a k a g e s are a r e not n o t covered c o v e r e d by b y this t h i s table, t a b l e , e.g. e . g . use u s e of o f a a pressurised p r e s s u r i s e d fluid f l u i d to t o block b l o c k a a leakage). l e a k a g e ) . Valve V a l v e type t y p e Case C a s e 1 1 Two T w o independent i n d e p e n d e n t valves v a l v e s used u s e d as a s DI&B D I & B barrier2,3) b a r r i e r 2 , 3 ) Floating F l o a t i n g ball, b a l l , fixed f i x e d seat s e a t -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 7-10 7 - 1 0 barg b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Floating F l o a t i n g ball, b a l l , floating f l o a t i n g seat s e a t -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 7-10 7 - 1 0 barg b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Case C a s e 2 2 Single S i n g l e valve v a l v e used u s e d as a s DI&B D I & B barrier b a r r i e r -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Trunnion T r u n n i o n mounted m o u n t e d (fixed) ( f i x e d ) ball, b a l l , self-relief s e l f - r e l i e f seats s e a t s -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 13 1 3 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l barrier b a r r i e r with w i t h 7-10barg 7 - 1 0 b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Trunnion T r u n n i o n mounted m o u n t e d (fixed) ( f i x e d ) ball, b a l l , double d o u b l e piston p i s t o n seat s e a t downstream d o w n s t r e a m (Note ( N o t e 4) 4 ) Non-contact N o n - c o n t a c t ball, b a l l , single s i n g l e seated s e a t e d Non-contact N o n - c o n t a c t ball, b a l l , double d o u b l e seated s e a t e d -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 7-10 7 - 1 0 barg b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 7-10 7 - 1 0 barg b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 7-10 7 - 1 0 barg b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Wedge W e d g e gate g a t e -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Slab S l a b gate, g a t e , floating f l o a t i n g seat s e a t -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -pressurise - p r e s s u r i s e downstream d o w n s t r e a m barrier b a r r i e r with w i t h N2,16barg N 2 , 1 6 b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y pressure p r e s s u r e changes c h a n g e s between b e t w e e n the t h e barriers, b a r r i e r s , stop s t o p work w o r k if i f pressure p r e s s u r e below b e l o w 16 1 6 barg b a r g or o r above a b o v e 20 2 0 barg1) b a r g 1 ) -generally - g e n e r a l l y cannot c a n n o t be b e used u s e d as a s DI&B, D I & B , but b u t can c a n be b e considered c o n s i d e r e d if i f it i t has h a s cavity c a v i t y bleed b l e e d -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Slab S l a b gate, g a t e , fixed f i x e d seat s e a t or o r floating f l o a t i n g seats s e a t s without w i t h o u t sealing s e a l i n g between b e t w e e n seat s e a t and a n d body b o d y -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -pressurise - p r e s s u r i s e downstream d o w n s t r e a m barrier b a r r i e r with w i t h N2,16barg N 2 , 1 6 b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y pressure p r e s s u r e changes c h a n g e s between b e t w e e n the t h e barriers, b a r r i e r s , stop s t o p work w o r k if i f pressure p r e s s u r e below b e l o w 16barg 1 6 b a r g or o r above a b o v e 20barg1) 2 0 b a r g 1 ) -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B Expanding E x p a n d i n g gate g a t e -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 14 1 4 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Globe G l o b e -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -low - l o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f downstream d o w n s t r e a m barrier b a r r i e r with w i t h 0.5barg 0 . 5 b a r g -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Plug, P l u g , expanding e x p a n d i n g -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d Plug, P l u g , other o t h e r -bleed - b l e e d required r e q u i r e d between b e t w e e n the t h e two t w o barriers b a r r i e r s -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -depressurise - d e p r e s s u r i s e cavity c a v i t y of o f downstream d o w n s t r e a m valve v a l v e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B -cavity - c a v i t y bleed b l e e d required r e q u i r e d -high - h i g h pressure p r e s s u r e performance p e r f o r m a n c e test t e s t of o f both b o t h barriers, b a r r i e r s , max m a x pressure p r e s s u r e -periodic - p e r i o d i c surveillance s u r v e i l l a n c e for f o r any a n y increase i n c r e a s e in i n leakage l e a k a g e through t h r o u g h the t h e bleed b l e e d -cannot - c a n n o t be b e used u s e d as a s DI&B D I & B NOTE: N O T E : Table T a b l e 3 3 Minimum M i n i m u m requirements r e q u i r e m e n t s to t o different d i f f e r e n t valve v a l v e types t y p e s when w h e n used u s e d as a s DI&B D I & B barrier b a r r i e r 1. 1 . 2. 2 . 3. 3 . 4. 4 . In I n case c a s e of o f pressure p r e s s u r e increase i n c r e a s e in i n bleed b l e e d section s e c t i o n to t o above a b o v e 20bar 2 0 b a r after a f t e r 4 4 hours h o u r s use u s e as a s barrier, b a r r i e r , the t h e work w o r k shall s h a l l be b e temporary t e m p o r a r y stopped, s t o p p e d , while w h i l e the t h e segment s e g m e n t is i s fully f u l l y depressurised d e p r e s s u r i s e d to t o safe s a f e location l o c a t i o n and a n d then t h e n re-pressurised r e - p r e s s u r i s e d with w i t h Nitrogen N i t r o g e n to t o 16bar. 1 6 b a r . When W h e n two t w o different d i f f e r e n t valve v a l v e types t y p e s are a r e used u s e d as a s barrier, b a r r i e r , the t h e downstream d o w n s t r e a m valve v a l v e type t y p e shall s h a l l be b e ruling r u l i n g for f o r these t h e s e requirements. r e q u i r e m e n t s . The T h e two t w o independent i n d e p e n d e n t valves v a l v e s can c a n be b e arranged a r r a n g e d together t o g e t h e r in i n a a single s i n g l e body b o d y or o r be b e flanged/welded f l a n g e d / w e l d e d together t o g e t h e r to t o a a double d o u b l e isolation i s o l a t i o n and a n d bleed b l e e d arrangement. a r r a n g e m e n t . If I f the t h e valve v a l v e is i s supplied s u p p l i e d with w i t h only o n l y one o n e DP D P seat, s e a t , the t h e DP D P seat s e a t to t o be b e downstream d o w n s t r e a m only o n l y to t o obtain o b t a i n DI&B. D I & B . 4.7 4 . 7 Simplified S i m p l i f i e d test t e s t for f o r small s m a l l bore b o r e valves v a l v e s SR-16848 S R - 1 6 8 4 8 - - Instruments I n s t r u m e n t s connected c o n n e c t e d to t o piping p i p i n g systems s y s t e m s normally n o r m a l l y have h a v e ports p o r t s that t h a t can c a n be b e used u s e d as a s bleed. b l e e d . For F o r barrier b a r r i e r valves v a l v e s to t o such s u c h instruments, i n s t r u m e n t s , introducing i n t r o d u c i n g of o f an a n extra e x t r a bleed b l e e d port p o r t can c a n cause c a u s e a a higher h i g h e r risk r i s k during d u r i n g normal n o r m a l operation o p e r a t i o n than t h a n what w h a t a a simplified s i m p l i f i e d barrier b a r r i e r test t e s t will w i l l cause c a u s e during d u r i n g a a maintenance m a i n t e n a n c e situation. s i t u a t i o n . Figure F i g u r e 2 2 Double D o u b l e isolation i s o l a t i o n barrier b a r r i e r without w i t h o u t bleed b l e e d between b e t w e e n Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 15 1 5 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l For F o r double d o u b l e isolation i s o l a t i o n barriers b a r r i e r s where w h e r e the t h e valve v a l v e port p o r t sizes s i z e s are a r e 3” 3 ” or o r smaller, s m a l l e r , bleed b l e e d between b e t w e e n them t h e m can c a n be b e avoided a v o i d e d if i f there t h e r e are a r e ports p o r t s on o n the t h e instrument i n s t r u m e n t that t h a t can c a n be b e used u s e d to t o performance p e r f o r m a n c e test t e s t the t h e barrier. b a r r i e r . The T h e barrier b a r r i e r procedure p r o c e d u r e shall s h a l l contain c o n t a i n the t h e following f o l l o w i n g aspects: a s p e c t s : Check C h e c k the t h e downstream d o w n s t r e a m valve v a l v e for f o r leakage l e a k a g e by b y closing c l o s i n g it, i t , with w i t h the t h e upstream u p s t r e a m valve v a l v e open o p e n Check C h e c k the t h e upstream u p s t r e a m valve v a l v e for f o r leakage l e a k a g e by b y closing c l o s i n g it, i t , with w i t h the t h e downstream d o w n s t r e a m valve v a l v e open o p e n (to ( t o be b e carefully c a r e f u l l y open o p e n to t o release r e l e a s e pressure) p r e s s u r e ) Close C l o s e the t h e downstream d o w n s t r e a m valve v a l v e Carry C a r r y out o u t required r e q u i r e d work w o r k immediately i m m e d i a t e l y For F o r situations s i t u a t i o n s where w h e r e the t h e barrier b a r r i e r shall s h a l l be b e kept k e p t for f o r more m o r e than t h a n 2 2 hours, h o u r s , blind b l i n d it i t off o f f with w i t h equipment e q u i p m e n t that’s t h a t ’ s allows a l l o w s possibility p o s s i b i l i t y for f o r re-testing. r e - t e s t i n g . 4.8 4 . 8 Use U s e of o f stem s t e m backseat b a c k s e a t as a s isolation i s o l a t i o n barrier b a r r i e r Use U s e of o f backseat b a c k s e a t as a s barrier b a r r i e r for f o r packing p a c k i n g box b o x replacement r e p l a c e m e n t can c a n be b e considered c o n s i d e r e d for f o r valves v a l v e s with w i t h stem s t e m leakage l e a k a g e through t h r o u g h a a gland g l a n d compressed c o m p r e s s e d packing p a c k i n g box, b o x , and a n d where w h e r e the t h e leakage l e a k a g e is i s stopped s t o p p e d by b y setting s e t t i n g the t h e valve v a l v e in i n backseat. b a c k s e a t . The T h e barrier b a r r i e r procedure p r o c e d u r e for f o r backseat b a c k s e a t shall s h a l l contain c o n t a i n the t h e following f o l l o w i n g aspects a s p e c t s The T h e system s y s t e m pressure p r e s s u r e shall s h a l l be b e stable, s t a b l e , and a n d shall s h a l l be b e expected e x p e c t e d to t o be b e constant c o n s t a n t for f o r the t h e whole w h o l e operation o p e r a t i o n Documentation D o c u m e n t a t i o n logs l o g s for f o r the t h e valve v a l v e gives g i v e s no n o indications i n d i c a t i o n s of o f defective d e f e c t i v e backseat b a c k s e a t or o r damaged d a m a g e d stem s t e m Gas-sniffer G a s - s n i f f e r is i s used u s e d during d u r i n g the t h e entire e n t i r e work w o r k Packing P a c k i n g box b o x leakage l e a k a g e is i s defined d e f i n e d and a n d that t h a t the t h e backseat b a c k s e a t stops s t o p s the t h e leakage l e a k a g e Packing P a c k i n g box b o x leakage l e a k a g e arise a r i s e again a g a i n when w h e n the t h e valve v a l v e is i s taken t a k e n out o u t of o f backseat b a c k s e a t The T h e valve v a l v e is i s locked l o c k e d in i n backseat b a c k s e a t The T h e valve v a l v e is i s regularly r e g u l a r l y checked c h e c k e d to t o be b e free f r e e for f o r leakage l e a k a g e for f o r minimum m i n i m u m one o n e hour h o u r Gland G l a n d nuts n u t s are a r e careful c a r e f u l unfastened u n f a s t e n e d until u n t i l the t h e gland g l a n d flange f l a n g e is i s unstressed, u n s t r e s s e d , but b u t both b o t h nuts n u t s shall s h a l l be b e fully f u l l y engaged e n g a g e d to t o the t h e gland g l a n d bolts b o l t s The T h e valve v a l v e is i s regularly r e g u l a r l y checked c h e c k e d to t o be b e free f r e e for f o r leakage l e a k a g e for f o r minimum m i n i m u m 5 5 minutes m i n u t e s continuously c o n t i n u o u s l y With W i t h any a n y detection d e t e c t i o n of o f leakage, l e a k a g e , the t h e operation o p e r a t i o n shall s h a l l be b e stopped s t o p p e d and a n d the t h e gland g l a n d nuts n u t s be b e retightened r e t i g h t e n e d (if ( i f possible) p o s s i b l e ) The T h e packing p a c k i n g box b o x shall s h a l l be b e removed r e m o v e d with w i t h approved a p p r o v e d equipment e q u i p m e n t New N e w packing p a c k i n g box b o x is i s mounted, m o u n t e d , and a n d the t h e gland g l a n d is i s carefully c a r e f u l l y pre-stressed p r e - s t r e s s e d The T h e valve v a l v e is i s carefully c a r e f u l l y opened o p e n e d and a n d the t h e packing p a c k i n g box b o x is i s adjusted a d j u s t e d according a c c o r d i n g to t o applicable a p p l i c a b l e procedure p r o c e d u r e The T h e valve v a l v e is i s regularly r e g u l a r l y checked c h e c k e d to t o be b e free f r e e for f o r leakage l e a k a g e for f o r minimum m i n i m u m 5 5 minutes m i n u t e s Documentation D o c u m e n t a t i o n log l o g for f o r the t h e valve v a l v e is i s updated u p d a t e d with w i t h services s e r v i c e s rendered r e n d e r e d 4.9 4 . 9 Use U s e of o f other o t h e r types t y p e s of o f isolation i s o l a t i o n barriers b a r r i e r s SR-12730 S R - 1 2 7 3 0 - - Other O t h e r types t y p e s of o f barriers, b a r r i e r s , such s u c h as a s mechanical m e c h a n i c a l or o r hydraulically h y d r a u l i c a l l y expanding e x p a n d i n g plugs, p l u g s , ice i c e plugs, p l u g s , etc. e t c . shall s h a l l not n o t be b e used u s e d as a s a a primary p r i m a r y isolation i s o l a t i o n except e x c e p t in i n special s p e c i a l cases c a s e s where w h e r e calculations c a l c u l a t i o n s and a n d Safe S a f e Work W o r k Analysis A n a l y s i s (SJA) ( S J A ) has h a s been b e e n performed p e r f o r m e d and a n d special s p e c i a l acceptance a c c e p t a n c e has h a s been b e e n given g i v e n by b y the t h e responsible r e s p o n s i b l e leader l e a d e r of o f the t h e respective r e s p e c t i v e plant. p l a n t . Mechanical M e c h a n i c a l or o r hydraulically h y d r a u l i c a l l y expanding e x p a n d i n g plugs p l u g s shall s h a l l be b e qualified q u a l i f i e d according a c c o r d i n g to t o ARIS, A R I S , Qualify Q u a l i f y technology t e c h n o l o g y for f o r first f i r s t use. u s e . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 16 1 6 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 5 5 Piping P i p i n g detail d e t a i l standard s t a n d a r d Requirements R e q u i r e m e n t s for f o r Piping P i p i n g Detail D e t a i l Standard S t a n d a r d are a r e defined d e f i n e d in i n TR2325. T R 2 3 2 5 . 6 6 Piping P i p i n g fabrication, f a b r i c a t i o n , installation, i n s t a l l a t i o n , flushing f l u s h i n g and a n d testing t e s t i n g 6.1 6 . 1 General G e n e r a l Reference R e f e r e n c e is i s made m a d e to t o TR2323 T R 2 3 2 3 “Piping “ P i p i n g Fabrication, F a b r i c a t i o n , Installation I n s t a l l a t i o n and a n d Testing T e s t i n g Specification”. S p e c i f i c a t i o n ” . 6.2 6 . 2 Code C o d e hydro-test h y d r o - t e s t pressure p r e s s u r e SR-12735 S R - 1 2 7 3 5 - - The T h e test t e s t pressure p r e s s u r e shall s h a l l be b e derived d e r i v e d based b a s e d on o n the t h e design d e s i g n pressure p r e s s u r e of o f the t h e Piping P i p i n g Class, C l a s s , multiplied m u l t i p l i e d by b y the t h e factor f a c t o r as a s required r e q u i r e d by b y the t h e design d e s i g n Code. C o d e . 6.3 6 . 3 Bolt B o l t tensioning t e n s i o n i n g SR-12737 S R - 1 2 7 3 7 - - Bolt B o l t tension t e n s i o n force f o r c e shall s h a l l be b e according a c c o r d i n g to t o TR1968. T R 1 9 6 8 . For F o r installations i n s t a l l a t i o n s and a n d plants p l a n t s where w h e r e the t h e specific s p e c i f i c tables t a b l e s are a r e based b a s e d on o n the t h e available a v a i l a b l e local l o c a l tools, t o o l s , lubrication l u b r i c a t i o n and a n d gaskets g a s k e t s defined, d e f i n e d , bolt b o l t tension t e n s i o n force f o r c e and a n d torque t o r q u e shall s h a l l be b e according a c c o r d i n g to t o TR2000 T R 2 0 0 0 Plant P l a n t Specific S p e c i f i c tables. t a b l e s . 6.4 6 . 4 Tubing T u b i n g as a s replacement r e p l a c e m e n t for f o r piping p i p i n g SR-12740 S R - 1 2 7 4 0 - - For F o r tubing t u b i n g used u s e d as a s replacement r e p l a c e m e n t for f o r piping, p i p i n g , the t h e following f o l l o w i n g shall s h a l l apply: a p p l y : Tubing T u b i n g shall s h a l l not n o t be b e used u s e d on o n pressurised p r e s s u r i s e d HC H C system. s y s t e m . All A l l tubing t u b i n g used u s e d as a s replacement r e p l a c e m e n t for f o r piping p i p i n g shall s h a l l be b e defined d e f i n e d with w i t h piping p i p i n g line l i n e number. n u m b e r . The T h e tubing t u b i n g used u s e d shall s h a l l be b e defined d e f i n e d in i n the t h e TR2000 T R 2 0 0 0 piping p i p i n g class c l a s s sheet. s h e e t . SR-12741 S R - 1 2 7 4 1 - - Typical T y p i c a l interface i n t e r f a c e definition d e f i n i t i o n between b e t w e e n piping p i p i n g and a n d instrument i n s t r u m e n t related r e l a t e d to t o use u s e of o f tubing t u b i n g shall s h a l l be b e according a c c o r d i n g to t o TR2325 T R 2 3 2 5 “Piping “ P i p i n g Detail D e t a i l Standard”. S t a n d a r d ” . For F o r selection s e l e c t i o n of o f piping p i p i n g tubing t u b i n g materials m a t e r i a l s reference r e f e r e n c e is i s made m a d e to t o TR3032 T R 3 0 3 2 "Field " F i e l d instrumentation". i n s t r u m e n t a t i o n " . SR-12742 S R - 1 2 7 4 2 - - The T h e project p r o j e c t specific s p e c i f i c service s e r v i c e code c o d e list l i s t shall s h a l l include i n c l u d e applicable a p p l i c a b l e tubing t u b i n g piping p i p i n g classes. c l a s s e s . 6.5 6 . 5 Piping P i p i n g repair r e p a i r and a n d cold c o l d installations i n s t a l l a t i o n s methods m e t h o d s Reference R e f e r e n c e is i s made m a d e to t o TR3016 T R 3 0 1 6 “Piping “ P i p i n g repair r e p a i r and a n d cold c o l d installation i n s t a l l a t i o n methods” m e t h o d s ” for f o r repair r e p a i r of o f flanges f l a n g e s and a n d pipe p i p e and a n d specifies s p e c i f i e s accepted a c c e p t e d cold c o l d installation i n s t a l l a t i o n methods m e t h o d s on o n installations i n s t a l l a t i o n s and a n d plants p l a n t s in i n operation. o p e r a t i o n . 7 7 Acoustic A c o u s t i c fatigue f a t i g u e in i n piping p i p i n g systems s y s t e m s Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 17 1 7 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 7.1 7 . 1 Excitation E x c i t a t i o n from f r o m pressure p r e s s u r e reduction r e d u c t i o n sources s o u r c e s Not N o t many m a n y methods m e t h o d s exist e x i s t to t o calculate c a l c u l a t e the t h e risk r i s k for f o r acoustic a c o u s t i c fatigue f a t i g u e realistically. r e a l i s t i c a l l y . Company C o m p a n y has h a s established e s t a b l i s h e d a a method m e t h o d which w h i c h should s h o u l d be b e used u s e d if i f no n o better b e t t e r method m e t h o d can c a n be b e provided. p r o v i d e d . For F o r modification m o d i f i c a t i o n on o n existing e x i s t i n g piping p i p i n g and a n d events e v e n t s such s u c h as a s blowby b l o w b y gas g a s case c a s e with w i t h low l o w probability p r o b a b i l i t y and a n d short s h o r t duration d u r a t i o n the t h e methods m e t h o d s described d e s c r i b e d in i n GL1951 G L 1 9 5 1 may m a y be b e used. u s e d . 7.2 7 . 2 Method M e t h o d for f o r evaluating e v a l u a t i n g acoustic a c o u s t i c fatigue f a t i g u e Reference R e f e r e n c e for f o r equation e q u a t i o n (a) ( a ) and a n d (e) ( e ) below, b e l o w , ASME A S M E publication p u b l i c a t i o n PVP-Vol. P V P - V o l . 328, 3 2 8 , Flow F l o w induced i n d u c e d vibration, v i b r a t i o n , ASME A S M E 1996, 1 9 9 6 , by b y Eisinger. E i s i n g e r . SR-12749 S R - 1 2 7 4 9 - - Sound S o u n d power p o w e r level l e v e l from f r o m the t h e pressure p r e s s u r e reduction r e d u c t i o n source s o u r c e (typically ( t y p i c a l l y a a valve v a l v e or o r orifice) o r i f i c e ) is i s calculated c a l c u l a t e d according a c c o r d i n g to t o equation e q u a t i o n (a). ( a ) . In I n some s o m e cases c a s e s the t h e pressure p r e s s u r e drop d r o p in i n a a branch b r a n c h junction j u n c t i o n may m a y be b e large l a r g e enough e n o u g h to t o contribute c o n t r i b u t e as a s source s o u r c e and a n d should s h o u l d then t h e n be b e added a d d e d with w i t h any a n y other o t h e r source. s o u r c e . --- - - - (a) ( a ) Where: W h e r e : PWL P W L = = Sound S o u n d power p o w e r level l e v e l (dB) ( d B ) P P 1 1 = = Upstream U p s t r e a m pressure p r e s s u r e of o f pressure p r e s s u r e letdown l e t d o w n source s o u r c e (bar) ( b a r ) P P 2 2 = = Downstream D o w n s t r e a m pressure p r e s s u r e of o f pressure p r e s s u r e letdown l e t d o w n source s o u r c e (bar) ( b a r ) T T 1 1 = = Upstream U p s t r e a m temperature t e m p e r a t u r e of o f pressure p r e s s u r e letdown l e t d o w n source s o u r c e ( ( o o C) C ) W W = = Gas G a s flow f l o w (Kg/h) ( K g / h ) M M = = Molecular M o l e c u l a r weight w e i g h t NOTE: N O T E : For F o r valves v a l v e s equipped e q u i p p e d with w i t h low l o w noise n o i s e trim, t r i m , equation e q u a t i o n (a) ( a ) should s h o u l d not n o t be b e used. u s e d . See S e e the t h e acceptance a c c e p t a n c e level l e v e l below b e l o w under u n d e r subheading s u b h e a d i n g section s e c t i o n 7.3, 7 . 3 , "Acceptance " A c c e p t a n c e level". l e v e l " . PWL P W L for f o r low l o w noise n o i s e trim t r i m valves v a l v e s should s h o u l d be b e obtained o b t a i n e d from f r o m the t h e valve v a l v e manufacturer m a n u f a c t u r e r if i f required. r e q u i r e d . SR-12751 S R - 1 2 7 5 1 - - Attenuation A t t e n u a t i o n along a l o n g the t h e pipe p i p e downstream d o w n s t r e a m the t h e source s o u r c e can c a n be b e calculated c a l c u l a t e d by b y equation e q u a t i o n (b): ( b ) : --- - - - (b) ( b ) Where: W h e r e : PWL P W L At A t = = Sound S o u n d power p o w e r attenuation a t t e n u a t i o n along a l o n g the t h e pipe p i p e (dB) ( d B ) L L = = Distance D i s t a n c e from f r o m source s o u r c e along a l o n g the t h e pipe p i p e (mm) ( m m ) D D i i = = Inside I n s i d e diameter d i a m e t e r of o f pipe p i p e (mm) ( m m ) Bend, B e n d , tee t e e junctions, j u n c t i o n s , reducers r e d u c e r s etc. e t c . in i n the t h e piping p i p i n g give g i v e also a l s o attenuation a t t e n u a t i o n of o f the t h e noise n o i s e along a l o n g the t h e pipe. p i p e . Methods M e t h o d s for f o r calculation c a l c u l a t i o n of o f attenuation a t t e n u a t i o n through t h r o u g h such s u c h fittings f i t t i n g s may m a y be b e proposed p r o p o s e d by b y the t h e project. p r o j e c t . The T h e Sound S o u n d power p o w e r level l e v e l at a t the t h e L L distance d i s t a n c e along a l o n g pipe p i p e from f r o m the t h e source s o u r c e is i s thus: t h u s : PWL P W L L L = = PWL P W L - - PWL P W L At A t --- - - - (c) ( c ) Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 18 1 8 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l NOTE: N O T E : The T h e fatigue f a t i g u e evaluation e v a l u a t i o n need n e e d only o n l y extend e x t e n d down d o w n to t o entrance e n t r a n c e of o f any a n y vessel, v e s s e l , unless u n l e s s new n e w noise n o i s e sources s o u r c e s are a r e located l o c a t e d in i n downstream d o w n s t r e a m piping p i p i n g from f r o m the t h e vessel. v e s s e l . SR-14744 S R - 1 4 7 4 4 - - If I f more m o r e than t h a n one o n e source s o u r c e generates g e n e r a t e s noise, n o i s e , the t h e noise n o i s e shall s h a l l be b e added a d d e d at a t the t h e pipe p i p e junctions j u n c t i o n s where w h e r e the t h e piping p i p i n g from f r o m the t h e sources s o u r c e s meets: m e e t s : --- - - - (d) ( d ) Where: W h e r e : PWL P W L = = Sound S o u n d power p o w e r level l e v e l PWL P W L 1, 1 , 2 2 etc e t c = = The T h e power p o w e r level l e v e l PWL P W L L L for f o r each e a c h source s o u r c e at a t location l o c a t i o n L L in i n the t h e downstream d o w n s t r e a m piping p i p i n g 7.3 7 . 3 Acceptance A c c e p t a n c e level l e v e l SR-12754 S R - 1 2 7 5 4 - - The T h e acceptance a c c e p t a n c e level l e v e l can c a n be b e calculated c a l c u l a t e d from f r o m the t h e following f o l l o w i n g equation: e q u a t i o n : --- - - - (e) ( e ) Where: W h e r e : t t = = pipe p i p e wall w a l l thickness t h i c k n e s s (mm) ( m m ) The T h e acceptance a c c e p t a n c e level l e v e l can c a n be b e increased i n c r e a s e d by b y 5 5 dB d B if i f the t h e source s o u r c e is i s a a PSV P S V (Pressure ( P r e s s u r e Safety S a f e t y Valve) V a l v e ) or o r a a pressure p r e s s u r e relieving r e l i e v i n g device d e v i c e that t h a t operates o p e r a t e s 12 1 2 hours h o u r s cumulatively c u m u l a t i v e l y or o r less l e s s during d u r i n g the t h e entire e n t i r e life l i f e time t i m e of o f the t h e plant p l a n t under u n d e r the t h e condition c o n d i t i o n that t h a t design d e s i g n improvements i m p r o v e m e n t s are a r e applied. a p p l i e d . Design D e s i g n improvements i m p r o v e m e n t s are a r e required r e q u i r e d downstream d o w n s t r e a m the t h e PSV P S V as a s described d e s c r i b e d in i n section s e c t i o n 7.4 7 . 4 for f o r a a distance d i s t a n c e corresponding c o r r e s p o n d i n g to t o the t h e calculated c a l c u l a t e d sound s o u n d power p o w e r above a b o v e the t h e acceptance a c c e p t a n c e level l e v e l in i n equation e q u a t i o n (e) ( e ) and a n d the t h e calculated c a l c u l a t e d attenuation a t t e n u a t i o n along a l o n g the t h e pipe p i p e in i n equation e q u a t i o n (b). ( b ) . SR-12756 S R - 1 2 7 5 6 - - For F o r valves v a l v e s that t h a t will w i l l be b e in i n use u s e for f o r much m u c h shorter s h o r t e r time t i m e than t h a n 12 1 2 hours h o u r s or o r for f o r a a one o n e off o f f event e v e n t during d u r i n g the t h e entire e n t i r e life l i f e time t i m e additional a d d i t i o n a l increase i n c r e a s e of o f the t h e acceptance a c c e p t a n c e levels l e v e l s can c a n be b e evaluated, e v a l u a t e d , but b u t this t h i s requires r e q u i r e s company c o m p a n y acceptance. a c c e p t a n c e . SR-12757 S R - 1 2 7 5 7 - - If I f the t h e source s o u r c e is i s a a valve v a l v e designed d e s i g n e d for f o r maximum m a x i m u m 110 1 1 0 dBA d B A SPL S P L at a t an a n outside o u t s i d e distance d i s t a n c e of o f 1 1 m m from f r o m the t h e valve, v a l v e , then t h e n the t h e pipe p i p e inside i n s i d e noise n o i s e power p o w e r level l e v e l is i s regarded r e g a r d e d as a s being b e i n g too t o o small s m a l l to t o create c r e a t e acoustic a c o u s t i c fatigue f a t i g u e and a n d further f u r t h e r calculations c a l c u l a t i o n s is i s thus t h u s not n o t required. r e q u i r e d . SPL S P L = = Sound S o u n d pressure p r e s s u r e level l e v e l (dBA) ( d B A ) 7.3.1 7 . 3 . 1 Additional A d d i t i o n a l evaluation e v a l u a t i o n to t o further f u r t h e r increase i n c r e a s e of o f the t h e acceptance a c c e p t a n c e level l e v e l SR-12759 S R - 1 2 7 5 9 - - Further F u r t h e r increase i n c r e a s e of o f acceptance a c c e p t a n c e level l e v e l should s h o u l d be b e considered c o n s i d e r e d instead i n s t e a d of o f specifying s p e c i f y i n g larger l a r g e r wall w a l l thickness t h i c k n e s s or o r design d e s i g n improvement. i m p r o v e m e n t . Parameters P a r a m e t e r s that t h a t will w i l l contribute c o n t r i b u t e to t o increased i n c r e a s e d acceptance a c c e p t a n c e level, l e v e l , for f o r example: e x a m p l e : Pressure P r e s s u r e let-down l e t - d o w n scenario s c e n a r i o Piping P i p i n g configuration c o n f i g u r a t i o n Pipe P i p e attachments a t t a c h m e n t s Nozzles N o z z l e s and a n d branches b r a n c h e s The T h e evaluation e v a l u a t i o n to t o increase i n c r e a s e acceptance a c c e p t a n c e level l e v e l should s h o u l d be b e done d o n e in i n cooperation c o o p e r a t i o n with w i t h Company. C o m p a n y . See S e e GL1951 G L 1 9 5 1 for f o r additional a d d i t i o n a l evaluation e v a l u a t i o n to t o further f u r t h e r increase i n c r e a s e of o f the t h e acceptance a c c e p t a n c e level l e v e l Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 19 1 9 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 7.4 7 . 4 Design D e s i g n improvements i m p r o v e m e n t s SR-12762 S R - 1 2 7 6 2 - - The T h e following f o l l o w i n g design d e s i g n improvements i m p r o v e m e n t s shall s h a l l be b e considered c o n s i d e r e d to t o reduce r e d u c e the t h e risk r i s k of o f acoustic a c o u s t i c fatigue: f a t i g u e : “O-lets” “ O - l e t s ” larger l a r g e r than t h a n 2” 2 ” should s h o u l d be b e substituted s u b s t i t u t e d by b y Sweepolet-type S w e e p o l e t - t y p e or o r Tee T e e (eg. ( e g . ASME A S M E B16.9 B 1 6 . 9 tee, t e e , not n o t fabricated f a b r i c a t e d tee) t e e ) Any A n y reinforcement r e i n f o r c e m e n t plate p l a t e or o r attachment a t t a c h m e n t plate p l a t e should s h o u l d envelope e n v e l o p e the t h e full f u l l circumference c i r c u m f e r e n c e of o f the t h e pipe. p i p e . 7.5 7 . 5 Remedial R e m e d i a l action a c t i o n to t o reduce r e d u c e noise n o i s e from f r o m the t h e source s o u r c e SR-12764 S R - 1 2 7 6 4 - - If I f the t h e acceptance a c c e p t a n c e level l e v e l above a b o v e cannot c a n n o t be b e met, m e t , then t h e n the t h e noise n o i s e generating g e n e r a t i n g source s o u r c e should s h o u l d be b e considered: c o n s i d e r e d : Select S e l e c t valves v a l v e s with w i t h low-noise l o w - n o i s e trim. t r i m . Evaluate E v a l u a t e to t o use u s e more m o r e valves v a l v e s in i n parallel p a r a l l e l which w h i c h will w i l l reduce r e d u c e the t h e noise. n o i s e . Reduce R e d u c e pressure p r e s s u r e in i n steps. s t e p s . However, H o w e v e r , if i f it i t is i s more m o r e economical e c o n o m i c a l to t o increase i n c r e a s e the t h e wall w a l l thickness t h i c k n e s s of o f the t h e piping p i p i n g resulting r e s u l t i n g in i n increased i n c r e a s e d acceptance a c c e p t a n c e level l e v e l of o f noise, n o i s e , then t h e n this t h i s should s h o u l d be b e the t h e solution. s o l u t i o n . 8 8 Vibrations V i b r a t i o n s 8.1 8 . 1 Bracing B r a c i n g of o f nozzles n o z z l e s and a n d branches b r a n c h e s SR-12768 S R - 1 2 7 6 8 - - Piping P i p i n g nozzles, n o z z l e s , such s u c h as a s vent v e n t & & drain, d r a i n , and a n d branches b r a n c h e s in i n services s e r v i c e s that t h a t give g i v e potential p o t e n t i a l for f o r piping p i p i n g vibration v i b r a t i o n shall s h a l l be b e designed d e s i g n e d with w i t h bracing b r a c i n g in i n accordance a c c o r d a n c e with w i t h TR2325. T R 2 3 2 5 . Care C a r e shall s h a l l be b e taken t a k e n on o n insulated i n s u l a t e d pipes p i p e s due d u e to t o risk r i s k of o f water w a t e r ingress i n g r e s s from f r o m the t h e bracing b r a c i n g into i n t o the t h e insulation. i n s u l a t i o n . These T h e s e types t y p e s of o f services s e r v i c e s are: a r e : Well W e l l stream s t r e a m piping p i p i n g Process P r o c e s s rotary r o t a r y Compressor C o m p r e s s o r piping p i p i n g Reciprocating R e c i p r o c a t i n g pumps- p u m p s - and a n d compressors c o m p r e s s o r s piping p i p i n g Piping P i p i n g subject s u b j e c t to t o slugging s l u g g i n g Gas G a s piping. p i p i n g . Velocities V e l o c i t i e s larger l a r g e r than t h a n V V = = 175 1 7 5 x x (1/ρ) ( 1 / ρ ) 0.43 0 . 4 3 shall s h a l l have h a v e special s p e c i a l attention a t t e n t i o n where w h e r e V V is i s the t h e velocity v e l o c i t y in i n m/s m / s (See ( S e e section s e c t i o n 9 9 for f o r line l i n e sizing) s i z i n g ) Other O t h e r services s e r v i c e s that t h a t can c a n excite e x c i t e pipe p i p e vibration v i b r a t i o n Exemption, E x e m p t i o n , on o n not n o t to t o brace b r a c e these t h e s e systems, s y s t e m s , can c a n be b e accepted a c c e p t e d if i f it i t can c a n be b e demonstrated d e m o n s t r a t e d that t h a t the t h e nozzles n o z z l e s are a r e not n o t likely l i k e l y to t o be b e exposed e x p o s e d to t o vibration v i b r a t i o n that t h a t can c a n lead l e a d to t o fatigue. f a t i g u e . See S e e GL1951 G L 1 9 5 1 for f o r bracing b r a c i n g of o f nozzles n o z z l e s and a n d branches. b r a n c h e s . 9 9 Line L i n e sizing s i z i n g and a n d optimisation o p t i m i s a t i o n Requirements R e q u i r e m e n t s for f o r line l i n e sizing s i z i n g are a r e defined d e f i n e d in i n TR3500. T R 3 5 0 0 . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 20 2 0 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 10 1 0 Arrangements A r r a n g e m e n t s of o f piping p i p i n g functions f u n c t i o n s 10.1 1 0 . 1 Depressurisation D e p r e s s u r i s a t i o n 10.1.1 1 0 . 1 . 1 Location L o c a t i o n and a n d pressure p r e s s u r e rating r a t i n g of o f flare f l a r e system s y s t e m block b l o c k valve v a l v e for f o r maintenance m a i n t e n a n c e SR-12815 S R - 1 2 8 1 5 - - Location L o c a t i o n and a n d pressure p r e s s u r e rating r a t i n g of o f flare f l a r e system s y s t e m block b l o c k valve v a l v e for f o r maintenance. m a i n t e n a n c e . Figure F i g u r e 3 3 – – Location L o c a t i o n and a n d pressure p r e s s u r e rating r a t i n g of o f flare f l a r e system s y s t e m block b l o c k valve v a l v e for f o r maintenance. m a i n t e n a n c e . If I f a a block b l o c k valve v a l v e is i s installed i n s t a l l e d for f o r the t h e purpose p u r p o s e of o f blocking b l o c k i n g the t h e flare f l a r e system s y s t e m for f o r maintenance m a i n t e n a n c e purpose, p u r p o s e , it i t should s h o u l d be b e installed i n s t a l l e d upstream u p s t r e a m of o f the t h e reducer. r e d u c e r . This T h i s is i s the t h e more m o r e cost c o s t effective e f f e c t i v e and a n d thus t h u s the t h e preferred p r e f e r r e d solution. s o l u t i o n . See S e e TR3003 T R 3 0 0 3 for f o r location l o c a t i o n of o f the t h e orifice/block o r i f i c e / b l o c k valve, v a l v e , heat h e a t trace t r a c e and a n d slope s l o p e requirements, r e q u i r e m e n t s , and a n d location l o c a t i o n of o f the t h e temperature t e m p e r a t u r e spec s p e c break. b r e a k . Nominal N o m i n a l size s i z e and a n d pressure p r e s s u r e rating r a t i n g of o f the t h e block b l o c k valve v a l v e shall s h a l l be b e the t h e same s a m e as a s the t h e upstream u p s t r e a m piping. p i p i n g . There T h e r e shall s h a l l be b e no n o change c h a n g e in i n flow f l o w direction d i r e c t i o n (elbows ( e l b o w s or o r tees) t e e s ) between b e t w e e n orifice o r i f i c e and a n d reducer. r e d u c e r . In I n figure f i g u r e 3 3 an a n actuated a c t u a t e d BDV B D V is i s shown, s h o w n , but b u t it i t will w i l l also a l s o apply a p p l y for f o r a a manual m a n u a l operated o p e r a t e d valve. v a l v e . 10.1.2 1 0 . 1 . 2 Wall W a l l thickness t h i c k n e s s upstream u p s t r e a m a a reducer r e d u c e r SR-12817 S R - 1 2 8 1 7 - - Reference R e f e r e n c e is i s made m a d e to t o the t h e figure f i g u r e above. a b o v e . The T h e thickness t h i c k n e s s t t F F may m a y be b e relatively r e l a t i v e l y large, l a r g e , ref r e f Section S e c t i o n 7 7 (“Acoustic ( “ A c o u s t i c fatigue f a t i g u e in i n piping p i p i n g systems”). s y s t e m s ” ) . The T h e thickness t h i c k n e s s t t of o f a a small s m a l l bore b o r e pipe p i p e including i n c l u d i n g the t h e flange, f l a n g e , shall s h a l l be b e specified s p e c i f i e d with w i t h a a thickness t h i c k n e s s that t h a t results r e s u l t s in i n a a fairly f a i r l y robust r o b u s t transition t r a n s i t i o n piece p i e c e from f r o m the t h e smaller s m a l l e r to t o the t h e larger l a r g e r piping. p i p i n g . 10.2 1 0 . 2 Pressure P r e s s u r e class c l a s s break b r e a k for f o r manual m a n u a l or o r control c o n t r o l valves v a l v e s to t o flare f l a r e SR-12819 S R - 1 2 8 1 9 - - If I f a a block b l o c k valve v a l v e is i s installed i n s t a l l e d for f o r the t h e purpose p u r p o s e of o f blocking b l o c k i n g the t h e flare f l a r e system s y s t e m for f o r maintenance m a i n t e n a n c e this t h i s valve v a l v e and a n d upstream u p s t r e a m piping p i p i n g shall s h a l l have h a v e full f u l l pressure p r e s s u r e rating r a t i n g as a s shown s h o w n in i n figure f i g u r e 4. 4 . Figure F i g u r e 4 4 - - Manual M a n u a l blow b l o w down d o w n for f o r maintenance m a i n t e n a n c e purposes p u r p o s e s Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 21 2 1 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 10.3 1 0 . 3 Nitrogen N i t r o g e n purging p u r g i n g SR-12821 S R - 1 2 8 2 1 - - Connections C o n n e c t i o n s for f o r purging p u r g i n g with w i t h nitrogen n i t r o g e n shall s h a l l be b e provided p r o v i d e d for f o r gas g a s freeing f r e e i n g at a t each e a c h item i t e m of o f process p r o c e s s equipment. e q u i p m e n t . Reference R e f e r e n c e is i s made m a d e to t o TR2325 T R 2 3 2 5 Piping P i p i n g Detail D e t a i l Standard S t a n d a r d for f o r details. d e t a i l s . 10.4 1 0 . 4 Flushing F l u s h i n g and a n d cleaning c l e a n i n g SR-12823 S R - 1 2 8 2 3 - - Piping P i p i n g systems s y s t e m s shall s h a l l be b e arranged a r r a n g e d to t o facilitate f a c i l i t a t e effective e f f e c t i v e internal i n t e r n a l flushing f l u s h i n g and a n d cleaning c l e a n i n g after a f t e r installation. i n s t a l l a t i o n . This T h i s includes: i n c l u d e s : All A l l systems s y s t e m s containing c o n t a i n i n g CMR-substances C M R - s u b s t a n c e s (e.g. ( e . g . benzene), b e n z e n e ) , shall s h a l l be b e possible p o s s i b l e to t o drain d r a i n 100%. 1 0 0 % . This T h i s includes i n c l u d e s the t h e volume v o l u m e on o n top t o p of o f valves v a l v e s for f o r primary p r i m a r y barriers b a r r i e r s in i n vertical v e r t i c a l lines. l i n e s . Dead D e a d ends e n d s should s h o u l d be b e avoided. a v o i d e d . If I f necessary, n e c e s s a r y , use u s e line l i n e blind b l i n d flange f l a n g e instead i n s t e a d of o f cap. c a p . Branches B r a n c h e s for f o r flushing f l u s h i n g shall s h a l l be b e 6" 6 " size s i z e for f o r flushing f l u s h i n g of o f lines l i n e s larger l a r g e r than t h a n 6", 6 " , and a n d 2" 2 " for f o r flushing f l u s h i n g of o f lines l i n e s from f r o m 2" 2 " to t o 6". 6 " . Other O t h e r proposals p r o p o s a l s may m a y be b e accepted. a c c e p t e d . 10.5 1 0 . 5 Standpipes S t a n d p i p e s (bridles) ( b r i d l e s ) SR-12826 S R - 1 2 8 2 6 - - Provisions P r o v i s i o n s for f o r methanol/MEG m e t h a n o l / M E G injection i n j e c t i o n shall s h a l l be b e included i n c l u d e d in i n all a l l condensate c o n d e n s a t e standpipes s t a n d p i p e s (bridles), ( b r i d l e s ) , if i f hydrate h y d r a t e formation f o r m a t i o n is i s a a potential p o t e n t i a l risk r i s k (ref. ( r e f . TR2325 T R 2 3 2 5 for f o r details). d e t a i l s ) . 10.6 1 0 . 6 Equalisation E q u a l i s a t i o n of o f pressure p r e s s u r e across a c r o s s valves v a l v e s SR-12828 S R - 1 2 8 2 8 - - For F o r valves v a l v e s that t h a t are a r e unsuitable u n s u i t a b l e for f o r opening o p e n i n g against a g a i n s t full f u l l operating o p e r a t i n g pressure p r e s s u r e difference, d i f f e r e n c e , provision p r o v i s i o n shall s h a l l be b e made m a d e for f o r equalisation e q u a l i s a t i o n of o f pressure p r e s s u r e across a c r o s s the t h e valves, v a l v e s , as a s required r e q u i r e d for f o r functional f u n c t i o n a l purposes. p u r p o s e s . SR-12829 S R - 1 2 8 2 9 - - The T h e sizing s i z i n g of o f the t h e equalisation e q u a l i s a t i o n line l i n e shall s h a l l be b e based b a s e d on o n the t h e size s i z e permitting p e r m i t t i n g full f u l l opening o p e n i n g of o f the t h e by-pass b y - p a s s valve v a l v e during d u r i n g equalisation. e q u a l i s a t i o n . 10.7 1 0 . 7 Break B r e a k out o u t spools s p o o l s SR-12831 S R - 1 2 8 3 1 - - Break B r e a k out o u t spools s p o o l s shall s h a l l be b e provided p r o v i d e d for f o r all a l l equipment e q u i p m e n t that t h a t may m a y require r e q u i r e removal r e m o v a l unless u n l e s s easy e a s y removal r e m o v a l of o f the t h e equipment e q u i p m e n t is i s achieved a c h i e v e d without w i t h o u t spool. s p o o l . 10.8 1 0 . 8 Galvanic G a l v a n i c isolation i s o l a t i o n between b e t w e e n materials m a t e r i a l s SR-12833 S R - 1 2 8 3 3 - - Dissimilar D i s s i m i l a r materials m a t e r i a l s connected c o n n e c t e d together t o g e t h e r in i n a a process p r o c e s s or o r utility u t i l i t y system s y s t e m may m a y create c r e a t e a a risk r i s k for f o r galvanic g a l v a n i c corrosion. c o r r o s i o n . Special S p e c i a l care c a r e shall s h a l l be b e taken t a k e n to t o avoid a v o i d galvanic g a l v a n i c corrosion c o r r o s i o n in i n sea s e a water w a t e r systems, s y s t e m s , i.e. i . e . Seawater, S e a w a t e r , Firewater, F i r e w a t e r , Produced P r o d u c e d water, w a t e r , Ballast B a l l a s t water w a t e r or o r any a n y other o t h e r corrosive c o r r o s i v e service. s e r v i c e . Unless U n l e s s effective e f f e c t i v e corrosion c o r r o s i o n inhibition i n h i b i t i o n is i s ensured, e n s u r e d , use u s e of o f isolation i s o l a t i o n spools s p o o l s shall s h a l l be b e used. u s e d . Length L e n g t h of o f an a n isolation i s o l a t i o n spool s p o o l need n e e d to t o evaluated e v a l u a t e d case c a s e by b y case, c a s e , depending d e p e n d i n g upon u p o n service, s e r v i c e , material m a t e r i a l requirements, r e q u i r e m e n t s , temperature/ t e m p e r a t u r e / pressure p r e s s u r e and a n d the t h e local l o c a l layout l a y o u t (typical ( t y p i c a l length l e n g t h can c a n be b e 2 2 meters). m e t e r s ) . Internal I n t e r n a l painting p a i n t i n g of o f the t h e material m a t e r i a l should s h o u l d also a l s o be b e evaluated e v a l u a t e d in i n cooperation c o o p e r a t i o n with w i t h the t h e material m a t e r i a l department. d e p a r t m e n t . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 22 2 2 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 10.9 1 0 . 9 Closed C l o s e d drain d r a i n pressure p r e s s u r e class c l a s s from f r o m pressure p r e s s u r e vessel v e s s e l and a n d safety s a f e t y critical c r i t i c a l valves v a l v e s SR-12835 S R - 1 2 8 3 5 - - Piping P i p i n g arrangement a r r a n g e m e n t for f o r drain d r a i n connections c o n n e c t i o n s on o n equipment e q u i p m e n t shall s h a l l typically t y p i c a l l y be b e as a s shown s h o w n on o n figure f i g u r e 5 5 i.e i . e pressure p r e s s u r e class c l a s s spec. s p e c . break b r e a k location l o c a t i o n on o n the t h e outlet o u t l e t flange f l a n g e of o f the t h e last l a s t valve, v a l v e , and a n d the t h e distance d i s t a n c e between b e t w e e n bleed b l e e d and a n d spectacle s p e c t a c l e blind b l i n d shall s h a l l be b e as a s short s h o r t as a s possible. p o s s i b l e . Valve V a l v e types t y p e s are a r e defined d e f i n e d in i n TR2325/TR3017. T R 2 3 2 5 / T R 3 0 1 7 . Figure F i g u r e 5 5 – – Double D o u b l e barrier b a r r i e r with w i t h bleed b l e e d between b e t w e e n SR-97207 S R - 9 7 2 0 7 - - All A l l valves v a l v e s classified c l a s s i f i e d as a s safety s a f e t y critical c r i t i c a l valves, v a l v e s , with w i t h requirements r e q u i r e m e n t s for f o r regular r e g u l a r leakage l e a k a g e testing t e s t i n g according a c c o r d i n g to t o operation o p e r a t i o n requirements, r e q u i r e m e n t s , shall s h a l l be b e installed i n s t a l l e d with w i t h permanent p e r m a n e n t connections c o n n e c t i o n s to t o closed c l o s e d drain/flare d r a i n / f l a r e system s y s t e m from f r o m the t h e valve v a l v e body b o d y with w i t h the t h e same s a m e arrangement a r r a n g e m e n t as a s for f o r equipment e q u i p m e n t in i n SR-12835. S R - 1 2 8 3 5 . See S e e TR3138 T R 3 1 3 8 for f o r classification c l a s s i f i c a t i o n of o f valves. v a l v e s . 10.10 1 0 . 1 0 Pressure P r e s s u r e test t e s t connection c o n n e c t i o n SR-12837 S R - 1 2 8 3 7 - - Pressure P r e s s u r e test t e s t connection c o n n e c t i o n installed i n s t a l l e d only o n l y for f o r vent v e n t or o r drain d r a i n related r e l a t e d to t o pressure p r e s s u r e test t e s t shall s h a l l be b e screwed s c r e w e d plugs p l u g s in i n weld-o-lets/ w e l d - o - l e t s / half h a l f couplings c o u p l i n g s and a n d finally f i n a l l y seal s e a l welded w e l d e d prior p r i o r to t o start s t a r t up. u p . 10.11 1 0 . 1 1 Drainage D r a i n a g e of o f piping p i p i n g SR-98009 S R - 9 8 0 0 9 - - All A l l systems s y s t e m s containing c o n t a i n i n g CMR-substances C M R - s u b s t a n c e s (e.g. ( e . g . benzene), b e n z e n e ) , shall s h a l l be b e possible p o s s i b l e to t o drain d r a i n 100%, 1 0 0 % , this t h i s include i n c l u d e the t h e volume v o l u m e on o n top t o p of o f valves v a l v e s for f o r primary p r i m a r y barriers b a r r i e r s in i n vertical v e r t i c a l lines. l i n e s . See S e e TR0926 T R 0 9 2 6 (SR-3183/SR-3186). ( S R - 3 1 8 3 / S R - 3 1 8 6 ) . 11 1 1 Pipe P i p e stress s t r e s s evaluation e v a l u a t i o n and a n d analysis a n a l y s i s Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 23 2 3 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 11.1 1 1 . 1 General G e n e r a l SR-12840 S R - 1 2 8 4 0 - - In I n general g e n e r a l all a l l lines l i n e s shall s h a l l be b e analysed a n a l y s e d to t o verify v e r i f y the t h e integrity i n t e g r i t y of o f the t h e piping p i p i n g and a n d supports s u p p o r t s according a c c o r d i n g to t o the t h e rules. r u l e s . The T h e analysis a n a l y s i s shall s h a l l ensure e n s u r e that t h a t the t h e pipe p i p e stress s t r e s s and a n d loading l o a d i n g on o n equipment e q u i p m e n t is i s minimized m i n i m i z e d and a n d kept k e p t within w i t h i n the t h e defined d e f i n e d maximum m a x i m u m allowable. a l l o w a b l e . SR-12841 S R - 1 2 8 4 1 - - The T h e method m e t h o d to t o determine d e t e r m i n e the t h e integrity i n t e g r i t y may m a y be b e by b y evaluation e v a l u a t i o n or o r simple- s i m p l e - or o r comprehensive c o m p r e h e n s i v e calculation c a l c u l a t i o n as a s required. r e q u i r e d . SR-12842 S R - 1 2 8 4 2 - - Temperatures T e m p e r a t u r e s used u s e d in i n calculations c a l c u l a t i o n s shall s h a l l be b e the t h e temperature t e m p e r a t u r e that t h a t gives g i v e s the t h e worst w o r s t load l o a d condition c o n d i t i o n relative r e l a t i v e to t o pipe p i p e and a n d equipment. e q u i p m e n t . This T h i s may m a y not n o t be b e the t h e maximum m a x i m u m and a n d minimum m i n i m u m design- d e s i g n - or o r operating o p e r a t i n g temperatures. t e m p e r a t u r e s . It I t depends d e p e n d s on o n piping p i p i n g geometry g e o m e t r y and a n d process p r o c e s s scenario. s c e n a r i o . Likewise, L i k e w i s e , for f o r the t h e pressure, p r e s s u r e , the t h e worst w o r s t combination c o m b i n a t i o n of o f pressure p r e s s u r e or o r pressure p r e s s u r e and a n d temperature t e m p e r a t u r e shall s h a l l be b e evaluated. e v a l u a t e d . SR-16841 S R - 1 6 8 4 1 - - Minimum M i n i m u m design d e s i g n pressure p r e s s u r e lower l o w e r than t h a n atmospheric a t m o s p h e r i c shall s h a l l be b e checked c h e c k e d against a g a i n s t the t h e capacity c a p a c i t y of o f the t h e pipe. p i p e . SR-12843 S R - 1 2 8 4 3 - - The T h e reaction r e a c t i o n forces f o r c e s shall s h a l l be b e based b a s e d on o n the t h e worst w o r s t combination c o m b i n a t i o n of o f loads. l o a d s . SR-12844 S R - 1 2 8 4 4 - - All A l l external e x t e r n a l forces f o r c e s that t h a t are a r e relevant r e l e v a n t for f o r the t h e integrity i n t e g r i t y of o f the t h e piping p i p i n g system s y s t e m shall s h a l l be b e included i n c l u d e d in i n the t h e analysis. a n a l y s i s . SR-12845 S R - 1 2 8 4 5 - - All A l l main m a i n piping p i p i n g subject s u b j e c t to t o multiphase m u l t i p h a s e flow f l o w at a t velocities v e l o c i t i e s of o f 10m/s 1 0 m / s or o r above a b o v e shall s h a l l be b e subject s u b j e c t to t o vibration v i b r a t i o n evaluation e v a l u a t i o n according a c c o r d i n g to t o Energy E n e r g y Institute I n s t i t u t e "Guidelines " G u i d e l i n e s for f o r the t h e Avoidance A v o i d a n c e of o f Vibration V i b r a t i o n Induced I n d u c e d Fatigue F a t i g u e Failure F a i l u r e in i n Process P r o c e s s Pipework" P i p e w o r k " or o r equivalent. e q u i v a l e n t . Pipe P i p e support s u p p o r t requirements r e q u i r e m e n t s are a r e specified s p e c i f i e d in i n TR2320, T R 2 3 2 0 , and a n d are a r e also a l s o applicable a p p l i c a b l e for f o r the t h e pipe p i p e stress s t r e s s work. w o r k . For F o r evaluation e v a l u a t i o n of o f the t h e need n e e d for f o r new n e w stress s t r e s s analysis a n a l y s i s when w h e n replacing r e p l a c i n g existing e x i s t i n g piping p i p i n g see s e e GL1951. G L 1 9 5 1 . 11.2 1 1 . 2 Critical C r i t i c a l lines l i n e s SR-12847 S R - 1 2 8 4 7 - - As A s a a general g e n e r a l guidance, g u i d a n c e , a a line l i n e shall s h a l l be b e subject s u b j e c t to t o comprehensive c o m p r e h e n s i v e stress s t r e s s analysis a n a l y s i s if i f it i t falls f a l l s into i n t o any a n y of o f the t h e following f o l l o w i n g categories: c a t e g o r i e s : a) a ) all a l l lines l i n e s at a t design d e s i g n temperature t e m p e r a t u r e above a b o v e 180 1 8 0 °C; ° C ; b) b ) 4 4 in i n NPS N P S and a n d larger l a r g e r at a t design d e s i g n temperature t e m p e r a t u r e above a b o v e 130 1 3 0 °C; ° C ; c) c ) 16 1 6 in i n NPS N P S and a n d larger l a r g e r at a t design d e s i g n temperature t e m p e r a t u r e above a b o v e 105 1 0 5 °C; ° C ; d) d ) all a l l lines l i n e s which w h i c h have h a v e a a design d e s i g n temperature t e m p e r a t u r e below b e l o w -30 - 3 0 °C ° C provided p r o v i d e d that t h a t the t h e difference d i f f e r e n c e between b e t w e e n the t h e maximum m a x i m u m and a n d minimum m i n i m u m design d e s i g n temperature t e m p e r a t u r e is i s above; a b o v e ; - - 190 1 9 0 °C ° C for f o r all a l l piping, p i p i n g , - - 140 1 4 0 °C ° C for f o r piping p i p i n g 4 4 in i n NPS N P S and a n d larger, l a r g e r , - - 115 1 1 5 °C ° C for f o r piping p i p i n g 16 1 6 in i n NPS N P S and a n d larger. l a r g e r . NOTE N O T E These T h e s e temperatures t e m p e r a t u r e s above a b o v e are a r e based b a s e d on o n a a design d e s i g n temperature t e m p e r a t u r e 30 3 0 °C ° C above a b o v e maximum m a x i m u m operating o p e r a t i n g temperature. t e m p e r a t u r e . Where W h e r e this t h i s is i s not n o t the t h e case, c a s e , max m a x design d e s i g n temperature t e m p e r a t u r e may m a y be b e replaced r e p l a c e d with w i t h max m a x operating o p e r a t i n g temperature t e m p e r a t u r e + + 30°C 3 0 ° C for f o r d) d ) above. a b o v e . e) e ) lines l i n e s 3 3 in i n NPS N P S and a n d larger l a r g e r with w i t h wall w a l l thickness t h i c k n e s s in i n excess e x c e s s of o f 10 1 0 % % of o f outside o u t s i d e diameter. d i a m e t e r . Thin T h i n walled w a l l e d piping p i p i n g of o f 20 2 0 in i n NPS N P S and a n d larger l a r g e r with w i t h wall w a l l thickness t h i c k n e s s less l e s s than t h a n 1 1 % % of o f the t h e outside o u t s i d e diameter; d i a m e t e r ; f) f ) all a l l lines l i n e s 3 3 in i n NPS N P S and a n d larger l a r g e r connected c o n n e c t e d to t o sensitive s e n s i t i v e equipment, e q u i p m e n t , e.g. e . g . rotating r o t a t i n g equipment. e q u i p m e n t . However, H o w e v e r , lubrication l u b r i c a t i o n oil o i l lines, l i n e s , cooling c o o l i n g medium m e d i u m lines l i n e s etc. e t c . for f o r such s u c h equipment e q u i p m e n t shall s h a l l not n o t be b e selected s e l e c t e d due d u e to t o this t h i s item; i t e m ; g) g ) all a l l piping p i p i n g expected e x p e c t e d to t o be b e subjected s u b j e c t e d to t o vibration v i b r a t i o n due d u e to t o internal i n t e r n a l and a n d external e x t e r n a l loads l o a d s (e.g. ( e . g . pressure, p r e s s u r e , transients, t r a n s i e n t s , slugging, s l u g g i n g , flow f l o w pulsation, p u l s a t i o n , external e x t e r n a l mechanical m e c h a n i c a l forces, f o r c e s , vortex v o r t e x shedding s h e d d i n g induced i n d u c e d oscillations, o s c i l l a t i o n s , high h i g h gas g a s velocities) v e l o c i t i e s ) and a n d herby h e r b y acoustic a c o u s t i c vibration v i b r a t i o n of o f the t h e pipe p i p e wall; w a l l ; h) h ) the t h e ring-main r i n g - m a i n and a n d distribution d i s t r i b u t i o n firewater f i r e w a t e r lines l i n e s up u p to t o the t h e firewater f i r e w a t e r monitors m o n i t o r s and a n d sprinkler s p r i n k l e r headers. h e a d e r s . Pressure P r e s s u r e surges s u r g e s (water ( w a t e r hammer) h a m m e r ) and a n d blast b l a s t to t o be b e considered c o n s i d e r e d for f o r the t h e entire e n t i r e system; s y s t e m ; i) i ) all a l l hydrocarbon h y d r o c a r b o n lines l i n e s containing c o n t a i n i n g oil o i l and a n d gas g a s which w h i c h shall s h a l l be b e de-pressurized d e - p r e s s u r i z e d after a f t e r a a design d e s i g n blast/explosion b l a s t / e x p l o s i o n event e v e n t (see ( s e e Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 24 2 4 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l the t h e design d e s i g n accidental a c c i d e n t a l load l o a d report r e p o r t for f o r selection s e l e c t i o n of o f lines); l i n e s ) ; j) j ) all a l l relief r e l i e f lines l i n e s connected c o n n e c t e d to t o pressure p r e s s u r e relief r e l i e f valves v a l v e s and a n d rupture r u p t u r e discs; d i s c s ; k) k ) all a l l blow b l o w down d o w n lines l i n e s 2 2 in i n NPS N P S and a n d larger l a r g e r excluding e x c l u d i n g drains; d r a i n s ; l) l ) all a l l piping p i p i n g along a l o n g the t h e derrick d e r r i c k and a n d the t h e flare f l a r e tower; t o w e r ; m) m ) lines l i n e s affected a f f e c t e d by b y external e x t e r n a l movements m o v e m e n t s from f r o m structural s t r u c t u r a l deflections, d e f l e c t i o n s , connecting c o n n e c t i n g equipment, e q u i p m e n t , bridge b r i d g e movements, m o v e m e n t s , platform p l a t f o r m settlements, s e t t l e m e n t s , X-mas X - m a s tree/wellhead, t r e e / w e l l h e a d , vessel v e s s e l hogging/sagging h o g g i n g / s a g g i n g etc.; e t c . ; n) n ) GRP G R P piping p i p i n g 3 3 in i n NPS N P S and a n d larger; l a r g e r ; o) o ) all a l l lines l i n e s 3 3 in i n NPS N P S and a n d larger l a r g e r subject s u b j e c t to t o steam s t e a m out; o u t ; p) p ) long l o n g straight s t r a i g h t lines l i n e s (typical ( t y p i c a l 20 2 0 m); m ) ; q) q ) all a l l production p r o d u c t i o n and a n d injection i n j e c t i o n manifolds m a n i f o l d s with w i t h connecting c o n n e c t i n g piping; p i p i n g ; r) r ) other o t h e r lines l i n e s as a s requested r e q u e s t e d by b y the t h e project p r o j e c t "stress" " s t r e s s " engineer e n g i n e e r or o r Company; C o m p a n y ; Manual M a n u a l calculations c a l c u l a t i o n s may m a y be b e used u s e d in i n cases c a s e s of o f simple s i m p l e configurations c o n f i g u r a t i o n s and a n d low l o w stresses. s t r e s s e s . SR-16842 S R - 1 6 8 4 2 - - All A l l other o t h e r piping p i p i n g systems s y s t e m s outside o u t s i d e the t h e criteria’s c r i t e r i a ’ s above a b o v e shall s h a l l be b e evaluated e v a l u a t e d in i n a a simplified s i m p l i f i e d method m e t h o d to t o confirm c o n f i r m that t h a t the t h e line l i n e is i s acceptable a c c e p t a b l e according a c c o r d i n g to t o the t h e code. c o d e . For F o r European E u r o p e a n Economic E c o n o m i c Area A r e a (EEA) ( E E A ) : : SR-12852 S R - 1 2 8 5 2 - - Lines L i n e s falling f a l l i n g into i n t o Category C a t e g o r y III I I I according a c c o r d i n g to t o the t h e PED. P E D . The T h e requirement r e q u i r e m e n t is i s applicable a p p l i c a b l e for f o r installations i n s t a l l a t i o n s that t h a t require r e q u i r e conformity c o n f o r m i t y with w i t h PED. P E D . All A l l Category C a t e g o r y III I I I lines l i n e s shall s h a l l be b e identified i d e n t i f i e d on o n critical c r i t i c a l line l i n e list. l i s t . 11.3 1 1 . 3 Explosion E x p l o s i o n load l o a d on o n piping p i p i n g SR-12854 S R - 1 2 8 5 4 - - The T h e effect e f f e c t of o f blast b l a s t loads l o a d s shall s h a l l be b e evaluated e v a l u a t e d for f o r piping p i p i n g which w h i c h is i s required r e q u i r e d to t o maintain m a i n t a i n the t h e installation i n s t a l l a t i o n integrity i n t e g r i t y in i n an a n explosion e x p l o s i o n event. e v e n t . Normal N o r m a l working w o r k i n g conditions c o n d i t i o n s with w i t h respect r e s p e c t to t o temperature t e m p e r a t u r e and a n d pressure p r e s s u r e may m a y be b e used u s e d for f o r the t h e blast b l a s t calculations. c a l c u l a t i o n s . SR-12855 S R - 1 2 8 5 5 - - Drag D r a g load l o a d from f r o m explosion e x p l o s i o n shall s h a l l be b e calculated c a l c u l a t e d in i n the t h e following f o l l o w i n g way: w a y : F F = = p p x x A A x x CD C D x x DAF D A F Where: W h e r e : p p = = is i s the t h e drag d r a g pressure p r e s s u r e from f r o m the t h e blast b l a s t [Pa] [ P a ] A A = = is i s the t h e projected p r o j e c t e d area a r e a [m [ m 2 2 ] ] CD C D = = is i s the t h e coefficient c o e f f i c i e n t of o f drag d r a g (to ( t o be b e determined d e t e r m i n e d for f o r the t h e actual a c t u a l pipe p i p e or o r equipment) e q u i p m e n t ) DAF D A F = = is i s the t h e dynamic d y n a m i c amplification a m p l i f i c a t i o n factor f a c t o r (minimum ( m i n i m u m 1,5, 1 , 5 , if i f not n o t evaluated e v a l u a t e d in i n detail) d e t a i l ) Note: N o t e : For F o r selection s e l e c t i o n of o f drag d r a g factor f a c t o r reference r e f e r e n c e is i s made m a d e to t o API A P I RP R P 2FB. 2 F B . SR-12856 S R - 1 2 8 5 6 - - A A simplified s i m p l i f i e d approach a p p r o a c h may m a y be b e used u s e d in i n lack l a c k of o f accurate a c c u r a t e data. d a t a . The T h e static s t a t i c overpressure o v e r p r e s s u r e used u s e d for f o r structural s t r u c t u r a l dimensioning d i m e n s i o n i n g may m a y be b e used u s e d as a s basis, b a s i s , and a n d an a n estimated e s t i m a t e d drag d r a g pressure p r e s s u r e calculated c a l c u l a t e d as a s 1/3 1 / 3 x x static s t a t i c overpressure o v e r p r e s s u r e may m a y be b e used. u s e d . SR-12857 S R - 1 2 8 5 7 - - Maximum M a x i m u m allowable a l l o w a b l e stress s t r e s s in i n blast b l a s t case c a s e shall s h a l l be b e the t h e minimum m i n i m u m of o f 2.4S 2 . 4 S or o r 1.5S 1 . 5 S Y Y at a t normal n o r m a l operating o p e r a t i n g temperature t e m p e r a t u r e (S ( S = = ASME A S M E B B 31.3 3 1 . 3 allowable a l l o w a b l e stress s t r e s s limit, l i m i t , S S Y Y = = pipe p i p e yield y i e l d stress). s t r e s s ) . SR-12858 S R - 1 2 8 5 8 - - The T h e standard s t a n d a r d Stress S t r e s s Intensification I n t e n s i f i c a t i o n Factor F a c t o r (SIF) ( S I F ) values v a l u e s shall s h a l l be b e multiplied m u l t i p l i e d with w i t h a a factor f a c t o r of o f 0,75 0 , 7 5 for f o r the t h e explosion e x p l o s i o n design d e s i g n case. c a s e . However, H o w e v e r , the t h e SIF S I F values v a l u e s shall s h a l l not n o t be b e less l e s s than t h a n 1,0. 1 , 0 . SR-16843 S R - 1 6 8 4 3 - - The T h e potential p o t e n t i a l effects e f f e c t s of o f deck d e c k and a n d wall w a l l deflections, d e f l e c t i o n s , due d u e to t o blast b l a s t loads l o a d s (movement ( m o v e m e n t of o f equipment e q u i p m e n t and a n d pipe p i p e supports), s u p p o r t s ) , need n e e d to t o be b e evaluated. e v a l u a t e d . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 25 2 5 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l SR-12859 S R - 1 2 8 5 9 - - It I t shall s h a l l be b e checked c h e c k e d that t h a t the t h e mechanical m e c h a n i c a l joints j o i n t s and a n d flange f l a n g e connections c o n n e c t i o n s on o n piping p i p i n g systems s y s t e m s selected s e l e c t e d for f o r blast b l a s t calculations c a l c u l a t i o n s are a r e leak l e a k free f r e e after a f t e r the t h e explosion e x p l o s i o n event. e v e n t . The T h e method m e t h o d used u s e d shall s h a l l be b e documented d o c u m e n t e d in i n the t h e stress s t r e s s report. r e p o r t . However, H o w e v e r , it i t is i s acceptable a c c e p t a b l e that t h a t the t h e mechanical m e c h a n i c a l joints j o i n t s and a n d flange f l a n g e connections c o n n e c t i o n s leaks l e a k s during d u r i n g the t h e explosion e x p l o s i o n event. e v e n t . Note: N o t e : ASME A S M E VIII V I I I may m a y be b e used u s e d for f o r documenting d o c u m e n t i n g the t h e tightness t i g h t n e s s requirement r e q u i r e m e n t for f o r the t h e critical c r i t i c a l mechanical m e c h a n i c a l joints j o i n t s and a n d flange f l a n g e connections c o n n e c t i o n s (for ( f o r bolt b o l t tensioning, t e n s i o n i n g , see s e e also a l s o TR1968). T R 1 9 6 8 ) . See S e e also a l s o GL1951. G L 1 9 5 1 . 11.4 1 1 . 4 Vessel/deck V e s s e l / d e c k deflections d e f l e c t i o n s SR-12862 S R - 1 2 8 6 2 - - FPSO F P S O will w i l l be b e exposed e x p o s e d to t o constant c o n s t a n t environment e n v i r o n m e n t loads. l o a d s . These T h e s e conditions c o n d i t i o n s will w i l l cause c a u s e inertial i n e r t i a l accelerations a c c e l e r a t i o n s and a n d deflections d e f l e c t i o n s to t o both b o t h the t h e hull h u l l and a n d topsides t o p s i d e s structures. s t r u c t u r e s . Piping P i p i n g systems s y s t e m s have h a v e to t o withstand w i t h s t a n d such s u c h loads l o a d s throughout t h r o u g h o u t the t h e design d e s i g n life. l i f e . Sufficient S u f f i c i e n t piping p i p i n g flexibility f l e x i b i l i t y shall s h a l l be b e designed d e s i g n e d so s o that t h a t the t h e equipment e q u i p m e n t loading l o a d i n g and a n d pipe p i p e stresses s t r e s s e s are a r e maintained m a i n t a i n e d at a t acceptable a c c e p t a b l e levels. l e v e l s . Deflections D e f l e c t i o n s due d u e to t o wave w a v e loads l o a d s shall s h a l l also a l s o be b e considered c o n s i d e r e d for f o r piping p i p i n g on o n other o t h e r installation i n s t a l l a t i o n types. t y p e s . Examples E x a m p l e s are: a r e : Deck D e c k deflections d e f l e c t i o n s and a n d deflections d e f l e c t i o n s on o n tall t a l l vessels v e s s e l s on o n Semisubmersible S e m i s u b m e r s i b l e production p r o d u c t i o n platforms p l a t f o r m s X-mas X - m a s tree t r e e movements m o v e m e n t s Bridge B r i d g e piping p i p i n g between b e t w e e n platforms p l a t f o r m s 11.5 1 1 . 5 Fatigue F a t i g u e SR-12864 S R - 1 2 8 6 4 - - Structural S t r u c t u r a l deflections d e f l e c t i o n s due d u e to t o wave w a v e motion m o t i o n response r e s p o n s e shall s h a l l be b e included i n c l u d e d in i n the t h e pipe p i p e stress s t r e s s analysis a n a l y s i s when w h e n relevant. r e l e v a n t . One O n e typical t y p i c a l method m e t h o d to t o be b e used u s e d for f o r fatigue f a t i g u e evaluation e v a l u a t i o n is i s specified s p e c i f i e d in i n PD P D 5500 5 5 0 0 Annex A n n e x C. C . This T h i s method m e t h o d enables e n a b l e s the t h e calculated c a l c u l a t e d stresses s t r e s s e s for f o r both b o t h process p r o c e s s and a n d wave w a v e cycles c y c l e s to t o be b e combined. c o m b i n e d . The T h e fatigue f a t i g u e damage d a m a g e produced p r o d u c e d by b y the t h e stress s t r e s s range r a n g e for f o r combined c o m b i n e d loading l o a d i n g events e v e n t s is i s calculated c a l c u l a t e d by b y use u s e of o f equation: e q u a t i o n : Where: W h e r e : N N is i s the t h e fatigue f a t i g u e life l i f e for f o r a a stress s t r e s s range r a n g e S S r. r . The T h e fatigue f a t i g u e design d e s i g n curve c u r v e constants c o n s t a n t s A A and a n d m, m , are a r e found f o u n d in i n PD P D 5500 5 5 0 0 Annex A n n e x C, C , table t a b l e C1 C 1 The T h e fatigue f a t i g u e damage d a m a g e from f r o m combined c o m b i n e d loading l o a d i n g events e v e n t s are a r e summarised s u m m a r i s e d and a n d checked c h e c k e d according a c c o r d i n g to t o equation: e q u a t i o n : Where: W h e r e : e e is i s the t h e greatest g r e a t e s t value v a l u e of o f 22mm 2 2 m m or o r pipe p i p e nominal n o m i n a l wall w a l l thickness t h i c k n e s s and a n d n n is i s the t h e number n u m b e r of o f cycles. c y c l e s . The T h e fatigue f a t i g u e life l i f e is i s acceptable a c c e p t a b l e if i f the t h e above a b o v e equation e q u a t i o n is i s true. t r u e . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 26 2 6 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 11.6 1 1 . 6 Dynamic D y n a m i c loads l o a d s SR-12866 S R - 1 2 8 6 6 - - A A piping p i p i n g system s y s t e m may m a y be b e subject s u b j e c t to t o dynamic d y n a m i c loads l o a d s such s u c h as, a s , but b u t not n o t limited l i m i t e d to t o a) a ) PSV P S V reaction r e a c t i o n forces, f o r c e s , b) b ) slug s l u g loads, l o a d s , c) c ) dynamic d y n a m i c loads l o a d s from f r o m density d e n s i t y variations v a r i a t i o n s in i n two-phase t w o - p h a s e flow, f l o w , d) d ) water w a t e r hammer, h a m m e r , e) e ) earth e a r t h quake. q u a k e . These T h e s e loads l o a d s may m a y be b e taken t a k e n into i n t o account a c c o u n t by b y either e i t h e r estimating e s t i m a t i n g an a n equivalent e q u i v a l e n t static s t a t i c load l o a d combined c o m b i n e d with w i t h a a conservative c o n s e r v a t i v e dynamic d y n a m i c amplification a m p l i f i c a t i o n factor f a c t o r or o r by b y performing p e r f o r m i n g more m o r e elaborate e l a b o r a t e dynamic d y n a m i c analysis. a n a l y s i s . Large L a r g e dynamic d y n a m i c forces f o r c e s can c a n be b e generated g e n e r a t e d in i n cases c a s e s of o f operation o p e r a t i o n with w i t h differential d i f f e r e n t i a l pressures p r e s s u r e s when w h e n equipment's e q u i p m e n t ' s installed i n s t a l l e d in i n the t h e piping p i p i n g systems s y s t e m s can c a n open o p e n or o r close c l o s e quickly. q u i c k l y . Typical T y p i c a l equipment's e q u i p m e n t ' s that t h a t can c a n generate g e n e r a t e this t h i s force f o r c e are a r e rupture r u p t u r e disc, d i s c , quick q u i c k acting a c t i n g valves, v a l v e s , including i n c l u d i n g valve v a l v e systems s y s t e m s like l i k e HIPPS H I P P S and a n d valves v a l v e s with w i t h a a fast f a s t characteristic c h a r a c t e r i s t i c near n e a r closed c l o s e d position. p o s i t i o n . SR-12869 S R - 1 2 8 6 9 - - The T h e dynamic d y n a m i c impulses i m p u l s e s of o f quick q u i c k action a c t i o n valves v a l v e s shall s h a l l be b e evaluated e v a l u a t e d for f o r both b o t h normal n o r m a l operation o p e r a t i o n scenarios s c e n a r i o s and a n d openings o p e n i n g s or o r closings c l o s i n g s due d u e to t o system s y s t e m errors. e r r o r s . Effects E f f e c t s due d u e to t o fluid f l u i d with w i t h different d i f f e r e n t phases p h a s e s shall s h a l l also a l s o be b e considered, c o n s i d e r e d , e.g. e . g . a a high h i g h pressurised p r e s s u r i s e d gas g a s that t h a t is i s rapidly r a p i d l y expanded e x p a n d e d and a n d accelerates a c c e l e r a t e s a a low l o w pressurised p r e s s u r i s e d liquid. l i q u i d . See S e e TR3001 T R 3 0 0 1 and a n d GL3001, G L 3 0 0 1 , Process P r o c e s s Safety S a f e t y for f o r more m o r e information i n f o r m a t i o n regarding r e g a r d i n g dynamic d y n a m i c loads l o a d s in i n piping p i p i n g systems. s y s t e m s . SR-12870 S R - 1 2 8 7 0 - - In I n order o r d e r to t o reduce r e d u c e the t h e potential p o t e n t i a l for f o r dynamic d y n a m i c movements, m o v e m e n t s , the t h e lowest l o w e s t natural n a t u r a l frequency f r e q u e n c y of o f the t h e flow f l o w line l i n e should s h o u l d preferably p r e f e r a b l y be b e above a b o v e 4 4 Hz. H z . A A too t o o stiff s t i f f supporting s u p p o r t i n g may m a y on o n the t h e other o t h e r hand h a n d lead l e a d to t o unacceptable u n a c c e p t a b l e load l o a d and a n d stress s t r e s s levels. l e v e l s . The T h e need n e e d for f o r fatigue f a t i g u e calculations c a l c u l a t i o n s shall s h a l l be b e considered. c o n s i d e r e d . See S e e also a l s o GL1951. G L 1 9 5 1 . 11.7 1 1 . 7 Loads L o a d s from f r o m piping p i p i n g systems s y s t e m s on o n equipment e q u i p m e n t SR-12872 S R - 1 2 8 7 2 - - When W h e n analysing a n a l y s i n g piping p i p i n g connected c o n n e c t e d to t o parallel p a r a l l e l located l o c a t e d equipment, e q u i p m e n t , the t h e relevant r e l e v a n t worst w o r s t temperature t e m p e r a t u r e combination c o m b i n a t i o n case c a s e shall s h a l l be b e used. u s e d . SR-12873 S R - 1 2 8 7 3 - - Calculation C a l c u l a t i o n of o f thermal t h e r m a l nozzle n o z z l e loads l o a d s shall s h a l l be b e based b a s e d on o n the t h e maximum m a x i m u m or o r minimum m i n i m u m design d e s i g n temperature. t e m p e r a t u r e . SR-12874 S R - 1 2 8 7 4 - - Piping P i p i n g connected c o n n e c t e d to t o compressor c o m p r e s s o r and a n d pump p u m p suction s u c t i o n and a n d discharge d i s c h a r g e nozzles n o z z l e s shall s h a l l be b e force f o r c e balanced b a l a n c e d through t h r o u g h its i t s supports s u p p o r t s in i n installation i n s t a l l a t i o n and a n d operating o p e r a t i n g condition, c o n d i t i o n , and a n d shall s h a l l exert e x e r t only o n l y minimal m i n i m a l loads l o a d s on o n the t h e nozzles n o z z l e s in i n order o r d e r to t o minimise m i n i m i s e equipment e q u i p m e n t misalignment m i s a l i g n m e n t caused c a u s e d by b y external e x t e r n a l loads. l o a d s . The T h e point p o i n t of o f resolution r e s o l u t i o n for f o r the t h e compressor c o m p r e s s o r nozzle n o z z l e load l o a d calculations c a l c u l a t i o n s shall s h a l l be b e agreed a g r e e d with w i t h the t h e vendor. v e n d o r . SR-12875 S R - 1 2 8 7 5 - - Calculated C a l c u l a t e d loads l o a d s on o n equipment e q u i p m e n t shall s h a l l be b e evaluated e v a l u a t e d in i n accordance a c c o r d a n c e with w i t h allowable a l l o w a b l e loads l o a d s submitted s u b m i t t e d by b y the t h e vendor. v e n d o r . See S e e also a l s o GL1951. G L 1 9 5 1 . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 27 2 7 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 11.8 1 1 . 8 Flange F l a n g e external e x t e r n a l bending b e n d i n g moment m o m e n t SR-12877 S R - 1 2 8 7 7 - - External E x t e r n a l axial a x i a l force f o r c e and a n d resulting r e s u l t i n g bending b e n d i n g moments m o m e n t s on o n flanges f l a n g e s should s h o u l d be b e within w i t h i n the t h e stated s t a t e d criteria c r i t e r i a as a s given g i v e n in i n TR1968. T R 1 9 6 8 . SR-12878 S R - 1 2 8 7 8 - - External E x t e r n a l force f o r c e and a n d bending b e n d i n g moments m o m e n t s on o n mechanical m e c h a n i c a l equipment e q u i p m e n t flange f l a n g e connections c o n n e c t i o n s shall s h a l l be b e within w i t h i n the t h e vendor v e n d o r requirements. r e q u i r e m e n t s . SR-12879 S R - 1 2 8 7 9 - - Generally, G e n e r a l l y , effort e f f o r t shall s h a l l be b e made m a d e to t o reduce r e d u c e the t h e level l e v e l of o f piping p i p i n g loads l o a d s and a n d risk r i s k of o f leakage l e a k a g e onto o n t o mechanical m e c h a n i c a l equipment e q u i p m e n t and a n d flange f l a n g e connections. c o n n e c t i o n s . 11.9 1 1 . 9 Expansion E x p a n s i o n bellows b e l l o w s in i n piping p i p i n g systems s y s t e m s The T h e following f o l l o w i n g list l i s t is i s proposed p r o p o s e d requirements r e q u i r e m e n t s for f o r use u s e of o f expansion e x p a n s i o n bellows b e l l o w s on o n piping p i p i n g systems s y s t e m s on o n installations i n s t a l l a t i o n s and a n d plants. p l a n t s . SR-12881 S R - 1 2 8 8 1 - - Use U s e of o f expansion e x p a n s i o n bellows, b e l l o w s , sliding s l i d i n g joints, j o i n t s , swivel, s w i v e l , etc. e t c . shall s h a l l in i n generally g e n e r a l l y be b e avoided. a v o i d e d . Effort E f f o r t shall s h a l l be b e made m a d e to t o avoid a v o i d the t h e use u s e of o f expansion e x p a n s i o n bellows b e l l o w s by b y building b u i l d i n g sufficient s u f f i c i e n t flexibility f l e x i b i l i t y into i n t o the t h e design d e s i g n of o f piping p i p i n g systems. s y s t e m s . SR-12882 S R - 1 2 8 8 2 - - Where W h e r e all a l l other o t h e r methods m e t h o d s have h a v e been b e e n explored e x p l o r e d and a n d found f o u n d unacceptable u n a c c e p t a b l e the t h e following f o l l o w i n g requirements r e q u i r e m e n t s shall s h a l l be b e met m e t prior p r i o r to t o use u s e of o f expansion e x p a n s i o n bellows: b e l l o w s : Expansion E x p a n s i o n bellows b e l l o w s may m a y be b e installed i n s t a l l e d if i f approved. a p p r o v e d . Written W r i t t e n confirmation c o n f i r m a t i o n shall s h a l l be b e obtained o b t a i n e d before b e f o r e proceeding. p r o c e e d i n g . Expansion E x p a n s i o n bellows b e l l o w s shall s h a l l normally n o r m a l l y not n o t be b e used u s e d on o n pressurized p r e s s u r i z e d systems. s y s t e m s . The T h e lifetime l i f e t i m e of o f the t h e expansion e x p a n s i o n bellow b e l l o w shall s h a l l be b e defined d e f i n e d The T h e stress s t r e s s engineer e n g i n e e r shall s h a l l specify s p e c i f y the t h e type t y p e of o f expansion e x p a n s i o n bellows b e l l o w s or o r joints j o i n t s by b y issuing i s s u i n g a a complete c o m p l e t e data d a t a sheet. s h e e t . A A comprehensive c o m p r e h e n s i v e stress s t r e s s analysis a n a l y s i s shall s h a l l demonstrate d e m o n s t r a t e that t h a t any a n y relevant r e l e v a n t load l o a d case c a s e will w i l l not n o t exceed e x c e e d the t h e allowable a l l o w a b l e limits l i m i t s for f o r the t h e expansion e x p a n s i o n bellow. b e l l o w . Sufficient S u f f i c i e n t anchoring a n c h o r i n g and a n d guiding g u i d i n g shall s h a l l be b e ensured e n s u r e d adjacent a d j a c e n t to t o flexible f l e x i b l e couplings/expansion c o u p l i n g s / e x p a n s i o n bellows. b e l l o w s . Expansion E x p a n s i o n joints j o i n t s shall s h a l l be b e designed d e s i g n e d according a c c o r d i n g to t o ASME A S M E B B 31.3 3 1 . 3 and a n d EJMA. E J M A . The T h e expansion e x p a n s i o n bellows b e l l o w s shall s h a l l be b e defined d e f i n e d as a s a a special s p e c i a l item i t e m Location L o c a t i o n to t o be b e shown s h o w n on o n P&ID P & I D and a n d Piping P i p i n g isometric. i s o m e t r i c . 11.10 1 1 . 1 0 GRE G R E analysis a n a l y s i s SR-12884 S R - 1 2 8 8 4 - - For F o r GRE G R E piping p i p i n g the t h e details d e t a i l s regarding r e g a r d i n g stress s t r e s s calculation c a l c u l a t i o n shall s h a l l be b e based b a s e d on o n instructions i n s t r u c t i o n s and a n d parameters p a r a m e t e r s for f o r the t h e relevant r e l e v a n t software s o f t w a r e and a n d design d e s i g n code c o d e from f r o m the t h e GRP G R P manufacturer. m a n u f a c t u r e r . See S e e also a l s o GL1951. G L 1 9 5 1 . 11.11 1 1 . 1 1 Pipe P i p e stress s t r e s s documentation d o c u m e n t a t i o n SR-12886 S R - 1 2 8 8 6 - - Typical T y p i c a l documentation d o c u m e n t a t i o n of o f the t h e analyses a n a l y s e s shall s h a l l be b e subject s u b j e c t to t o approval a p p r o v a l at a t start s t a r t of o f piping p i p i n g stress s t r e s s analysis. a n a l y s i s . SR-12887 S R - 1 2 8 8 7 - - A A pipe p i p e stress s t r e s s procedure p r o c e d u r e describing d e s c r i b i n g the t h e stress s t r e s s analysis a n a l y s i s activities a c t i v i t i e s shall s h a l l be b e prepared p r e p a r e d and a n d issued i s s u e d for f o r acceptance a c c e p t a n c e before b e f o r e start s t a r t of o f stress s t r e s s analysis. a n a l y s i s . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 28 2 8 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 12 1 2 Securing S e c u r i n g of o f valves v a l v e s in i n correct c o r r e c t position p o s i t i o n Requirements R e q u i r e m e n t s for f o r securing s e c u r i n g of o f valves v a l v e s are a r e specified s p e c i f i e d in i n TR2315. T R 2 3 1 5 . 13 1 3 Additional A d d i t i o n a l information i n f o r m a t i o n 13.1 1 3 . 1 Definitions D e f i n i t i o n s and a n d abbreviations a b b r e v i a t i o n s Shall S h a l l (requirement) ( r e q u i r e m e n t ) Requirement R e q u i r e m e n t strictly s t r i c t l y to t o be b e followed f o l l o w e d in i n order o r d e r to t o confirm c o n f i r m to t o the t h e document d o c u m e n t and a n d from f r o m which w h i c h no n o deviation d e v i a t i o n is i s permitted, p e r m i t t e d , unless u n l e s s a a deviation d e v i a t i o n permit p e r m i t is i s approved. a p p r o v e d . Should S h o u l d (recommendation) ( r e c o m m e n d a t i o n ) Indicates I n d i c a t e s that t h a t among a m o n g several s e v e r a l possibilities p o s s i b i l i t i e s one o n e is i s recommended r e c o m m e n d e d as a s particularly p a r t i c u l a r l y suitable, s u i t a b l e , without w i t h o u t mentioning m e n t i o n i n g or o r excluding e x c l u d i n g others, o t h e r s , or o r that t h a t a a certain c e r t a i n course c o u r s e of o f action a c t i o n is i s preferred p r e f e r r e d but b u t not n o t necessarily n e c e s s a r i l y required, r e q u i r e d , or o r that t h a t (in ( i n the t h e negative n e g a t i v e form) f o r m ) possibility p o s s i b i l i t y or o r course c o u r s e of o f action a c t i o n is i s deprecated d e p r e c a t e d but b u t not n o t prohibited. p r o h i b i t e d . May M a y Indicates I n d i c a t e s a a course c o u r s e of o f action a c t i o n permissible p e r m i s s i b l e within w i t h i n the t h e limits l i m i t s of o f the t h e document. d o c u m e n t . Can C a n Statements S t a t e m e n t s of o f possibility p o s s i b i l i t y and a n d capability, c a p a b i l i t y , whether w h e t h e r material, m a t e r i a l , physical p h y s i c a l or o r causal. c a u s a l . TR2000 T R 2 0 0 0 TR2000 T R 2 0 0 0 Piping P i p i n g and a n d Valve V a l v e Material M a t e r i a l Specification S p e c i f i c a t i o n made m a d e for f o r the t h e project. p r o j e c t . Piping P i p i n g Class C l a s s Piping P i p i n g Class C l a s s in i n TR2000 T R 2 0 0 0 Topside T o p s i d e riser r i s e r By B y topside t o p s i d e riser r i s e r it i t is i s meant m e a n t the t h e terminating t e r m i n a t i n g end e n d of o f a a pipeline p i p e l i n e from f r o m pipeline p i p e l i n e ESD-valve E S D - v a l v e to t o the t h e pig p i g station s t a t i o n or o r blind b l i n d end. e n d . accepted a c c e p t e d The T h e acceptance a c c e p t a n c e shall s h a l l be b e given g i v e n by b y Company C o m p a n y if i f not n o t specified s p e c i f i e d otherwise o t h e r w i s e approved a p p r o v e d The T h e approval a p p r o v a l shall s h a l l be b e given g i v e n by b y Company C o m p a n y if i f not n o t specified s p e c i f i e d otherwise o t h e r w i s e Company C o m p a n y Contractor C o n t r a c t o r Contractor C o n t r a c t o r as a s stated s t a t e d in i n the t h e contract c o n t r a c t with w i t h Company C o m p a n y plant(s) p l a n t ( s ) Meaning M e a n i n g and a n d including i n c l u d i n g Construction C o n s t r u c t i o n site, s i t e , Installation, I n s t a l l a t i o n , factory f a c t o r y or o r works w o r k s Abbreviations: A b b r e v i a t i o n s : SCH S C H Wall W a l l thickness t h i c k n e s s designation d e s i g n a t i o n according a c c o r d i n g to t o ASME A S M E B36.19 B 3 6 . 1 9 and a n d ASME A S M E B36.10 B 3 6 . 1 0 (e.g. ( e . g . 8” 8 ” pipe p i p e SCH S C H 20 2 0 is i s identical i d e n t i c a l to t o 6.35 6 . 3 5 mm m m wall w a l l thickness) t h i c k n e s s ) PSHH P S H H Pressure P r e s s u r e Switch S w i t c h High H i g h High H i g h PSH P S H Pressure P r e s s u r e Switch S w i t c h High H i g h DI&B D I & B Double D o u b l e isolation i s o l a t i o n and a n d bleed b l e e d ESD E S D Emergency E m e r g e n c y shutdown s h u t d o w n PSD P S D Process P r o c e s s shutdown s h u t d o w n PSE P S E Pressure P r e s s u r e safety s a f e t y element e l e m e n t PSV P S V Pressure P r e s s u r e safety s a f e t y valve v a l v e TSV T S V Temperature T e m p e r a t u r e safety s a f e t y valves v a l v e s HIPPS H I P P S High H i g h integrity i n t e g r i t y pressure p r e s s u r e protection p r o t e c t i o n system s y s t e m EEA E E A European E u r o p e a n Economic E c o n o m i c Area A r e a EU E U European E u r o p e a n Union U n i o n PED P E D Pressure P r e s s u r e Equipment E q u i p m e n t Directive D i r e c t i v e E E MAS M A S European E u r o p e a n Master M a s t e r (pipe ( p i p e class c l a s s sheet s h e e t library) l i b r a r y ) Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 29 2 9 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l ARIS A R I S Architecture A r c h i t e c t u r e of o f Integrated I n t e g r a t e d Information I n f o r m a t i o n Systems S y s t e m s 13.2 1 3 . 2 Changes C h a n g e s from f r o m previous p r e v i o u s version v e r s i o n Changes C h a n g e s from f r o m 7.02 7 . 0 2 to t o 7.03 7 . 0 3 Section S e c t i o n Change C h a n g e 2.3 2 . 3 "DnV" " D n V " and a n d "TI" " T I " in i n text t e x t have h a v e been b e e n replaced r e p l a c e d with w i t h "DNV " D N V GL" G L " and a n d "Kiwa" " K i w a " respectively r e s p e c t i v e l y 314 3 1 4 Added A d d e d "if " i f the t h e pressure p r e s s u r e exceeds e x c e e d s 1,1 1 , 1 times t i m e s the t h e valve v a l v e design d e s i g n pressure” p r e s s u r e ” to t o last l a s t bullet b u l l e t point. p o i n t . -_ - _ (no ( n o need n e e d to t o ask a s k valve v a l v e vendor v e n d o r when w h e n occasional o c c a s i o n a l pressure p r e s s u r e is i s within w i t h i n seat s e a t test) t e s t ) 42 4 2 Replaced R e p l a c e d "150# " 1 5 0 # and a n d 300#" 3 0 0 # " with w i t h "CL150 " C L 1 5 0 through t h r o u g h CL2500"in C L 2 5 0 0 " i n note n o t e 8 8 , , (to ( t o match m a t c h new n e w TR2325) T R 2 3 2 5 ) a7 a 7 Replaced R e p l a c e d "3/4" " 3 / 4 " with w i t h "3"" " 3 " " : : (to ( t o match m a t c h note n o t e 4 4 in i n 4.2) 4 . 2 ) 9 9 Replaced R e p l a c e d the t h e whole w h o l e chapter c h a p t e r contents c o n t e n t s with w i t h "Requirements " R e q u i r e m e n t s for f o r line l i n e sizing s i z i n g are a r e defined d e f i n e d in i n TR3500." T R 3 5 0 0 . " 10.9 1 0 . 9 Added A d d e d "Valve " V a l v e types t y p e s are a r e defined d e f i n e d in i n TR2325." T R 2 3 2 5 . " 10.11 1 0 . 1 1 New N e w elementwith e l e m e n t w i t h reference r e f e r e n c e to t o TRO926 T R O 9 2 6 regarding r e g a r d i n g benzene b e n z e n e etc. e t c . Changes C h a n g e s from f r o m 7.01 7 . 0 1 to t o 7.02 7 . 0 2 TR1951 T R 1 9 5 1 Free-text F r e e - t e x t have h a v e been b e e n marked m a r k e d with w i t h information-element i n f o r m a t i o n - e l e m e n t TR1951 T R 1 9 5 1 "Statoil" " S t a t o i l " in i n text t e x t have h a v e been b e e n replaced r e p l a c e d with w i t h ™ ™ This T h i s version v e r s i o n has h a s been b e e n released r e l e a s e d for f o r the t h e purpose p u r p o s e ofincluding o f i n c l u d i n g experience e x p e r i e n c e from f r o m the t h e Gudrunincident G u d r u n i n c i d e n t February F e b r u a r y 2015. 2 0 1 5 . All A l l other o t h e r ongoing o n g o i n g changesto c h a n g e s t o this t h i s TR T R have h a v e been b e e n postponed p o s t p o n e d to t o allow a l l o w for f o r a a quick q u i c k documentrelease d o c u m e n t r e l e a s e process. p r o c e s s . Previous P r e v i o u s version v e r s i o n (TR1951 ( T R 1 9 5 1 ver. v e r . 6) 6 ) New N e w version v e r s i o n (TR1951 ( T R 1 9 5 1 ver. v e r . 7) 7 ) Affected A f f e c t e d text t e x t Sec. S e c . Modification, M o d i f i c a t i o n , reasoning r e a s o n i n g and a n d effect e f f e c t Added A d d e d text t e x t to t o previous p r e v i o u s version v e r s i o n previous p r e v i o u s mo m o 11.1 1 1 . 1 This T h i s requirementis r e q u i r e m e n t i s added a d d e d as a s a a consequence c o n s e q u e n c e of o f the t h e All A l l external e x t e r n a l forces f o r c e s that t h a t are a r e relevant r e l e v a n t for f o r the t h e integrity i n t e g r i t y of o f the t h e Gudrun G u d r u n incident i n c i d e n t February F e b r u a r y 2015 2 0 1 5 to t o reduce r e d u c e the t h e risk r i s k of o f piping p i p i n g system s y s t e m shall s h a l l be b e included i n c l u d e d in i n the t h e analysis. a n a l y s i s . vibrations v i b r a t i o n s in i n lines l i n e s with w i t h two-face t w o - f a c e flow. f l o w . Ref. R e f . synergi s y n e r g i case c a s e All A l l main m a i n piping p i p i n g subject s u b j e c t to t o multiphase m u l t i p h a s e flow f l o w at a t velocities v e l o c i t i e s of o f no. n o . 1431597. 1 4 3 1 5 9 7 . 10m/s 1 0 m / s or o r above a b o v e shall s h a l l be b e subject s u b j e c t to t o vibration v i b r a t i o n evaluation e v a l u a t i o n according a c c o r d i n g to t o Energy E n e r g y Institute I n s t i t u t e "Guidelines " G u i d e l i n e s for f o r the t h e Avoidance A v o i d a n c e of o f Vibration V i b r a t i o n Induced I n d u c e d Fatigue F a t i g u e Failure F a i l u r e in i n Process P r o c e s s Pipework” P i p e w o r k ” or o r equivalent. e q u i v a l e n t . Pipe P i p e support s u p p o r t requirements r e q u i r e m e n t s are a r e specified s p e c i f i e d in i n TR2320, T R 2 3 2 0 , and a n d are a r e also a l s o applicable a p p l i c a b l e for f o r the t h e pipe p i p e stress s t r e s s work. w o r k . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 30 3 0 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 13.3 1 3 . 3 References R e f e r e n c e s References R e f e r e n c e s listed l i s t e d are a r e documents d o c u m e n t s and a n d standards s t a n d a r d s that t h a t have h a v e been b e e n mentioned m e n t i o n e d in i n this t h i s document d o c u m e n t only. o n l y . It I t does d o e s not n o t include i n c l u d e all a l l standards s t a n d a r d s applicable a p p l i c a b l e to t o Piping P i p i n g Engineering. E n g i n e e r i n g . API A P I RP R P 2FB 2 F B Recommended R e c o m m e n d e d Practice P r a c t i c e for f o r the t h e Design D e s i g n of o f Offshore O f f s h o r e Facilities F a c i l i t i e s Against A g a i n s t Fire F i r e and a n d Blast B l a s t Loading L o a d i n g API A P I RP R P 14E 1 4 E Recommended R e c o m m e n d e d Practice P r a c t i c e for f o r Design D e s i g n and a n d Installation I n s t a l l a t i o n of o f Offshore O f f s h o r e Products P r o d u c t s Platform P l a t f o r m Piping P i p i n g Systems S y s t e m s ASME A S M E VIII V I I I Boiler B o i l e r and a n d Pressure P r e s s u r e Vessel V e s s e l Code C o d e ASME A S M E B16.5 B 1 6 . 5 Pipe P i p e Flanges F l a n g e s and a n d Flange F l a n g e Fittings F i t t i n g s NPS N P S ½ ½ through t h r o u g h NPS N P S 24 2 4 ASME A S M E B16.9 B 1 6 . 9 Factory-Made F a c t o r y - M a d e Wrought W r o u g h t Steel S t e e l Buttwelding B u t t w e l d i n g Fittings F i t t i n g s ASME A S M E B16.47 B 1 6 . 4 7 Large L a r g e Diameter D i a m e t e r Steel S t e e l Flanges, F l a n g e s , NPS N P S 26 2 6 Through T h r o u g h 60 6 0 ASME A S M E B31.3 B 3 1 . 3 Process P r o c e s s Piping P i p i n g ASME A S M E B36.10 B 3 6 . 1 0 Welded W e l d e d and a n d Seamless S e a m l e s s Wrought W r o u g h t Steel S t e e l Pipe P i p e ASME A S M E B36.19 B 3 6 . 1 9 Stainless S t a i n l e s s Steel S t e e l Pipe P i p e ASME A S M E publication p u b l i c a t i o n PVP-Vol. P V P - V o l . Flow F l o w induced i n d u c e d vibration, v i b r a t i o n , ASME A S M E 1996, 1 9 9 6 , by b y Eisinger E i s i n g e r 328 3 2 8 DnV D n V RP R P O501 O 5 0 1 Erosive E r o s i v e Wear W e a r in i n Piping P i p i n g System S y s t e m EJMA E J M A Expansion E x p a n s i o n Joint J o i n t Manufacturers M a n u f a c t u r e r s Association A s s o c i a t i o n Energy E n e r g y Institute I n s t i t u t e Guidelines G u i d e l i n e s for f o r the t h e Avoidance A v o i d a n c e of o f Vibration V i b r a t i o n Induced I n d u c e d Fatigue F a t i g u e Failure F a i l u r e in i n Process P r o c e s s Pipework P i p e w o r k EU E U Directive- D i r e c t i v e - 2014/68/EU 2 0 1 4 / 6 8 / E U Pressure P r e s s u r e Equipment E q u i p m e n t Directive D i r e c t i v e (PED) ( P E D ) MSS-SP-44 M S S - S P - 4 4 Steel S t e e l Pipe P i p e Line L i n e Flanges F l a n g e s GL1951 G L 1 9 5 1 Piping P i p i n g engineering e n g i n e e r i n g GL3001 G L 3 0 0 1 Process P r o c e s s Safety S a f e t y ISO I S O 10423 1 0 4 2 3 Petroleum P e t r o l e u m and a n d natural n a t u r a l gas g a s industries i n d u s t r i e s - - Drilling D r i l l i n g and a n d production p r o d u c t i o n equipment e q u i p m e n t - - Wellhead W e l l h e a d and a n d christmas c h r i s t m a s tree t r e e equipment e q u i p m e n t ISO I S O 13703 1 3 7 0 3 Petroleum P e t r o l e u m and a n d natural n a t u r a l gas g a s industries i n d u s t r i e s Design D e s i g n and a n d installation i n s t a l l a t i o n of o f piping p i p i n g systems s y s t e m s on o n offshore o f f s h o r e production p r o d u c t i o n platforms p l a t f o r m s ISO I S O 27509 2 7 5 0 9 Petroleum P e t r o l e u m and a n d natural n a t u r a l gas g a s industries i n d u s t r i e s - - Compact C o m p a c t flanged f l a n g e d connections c o n n e c t i o n s with w i t h IX I X seal s e a l ring r i n g PD P D 5500 5 5 0 0 Specification S p e c i f i c a t i o n for f o r unfired u n f i r e d fusion f u s i o n welded w e l d e d pressure p r e s s u r e vessels v e s s e l s TR1055 T R 1 0 5 5 Performance P e r f o r m a n c e standards s t a n d a r d s for f o r safety s a f e t y systems s y s t e m s and a n d barriers b a r r i e r s - - offshore o f f s h o r e TR1098 T R 1 0 9 8 Submarine S u b m a r i n e pipeline p i p e l i n e systems s y s t e m s TR1968 T R 1 9 6 8 Flange F l a n g e bolt b o l t tension t e n s i o n TR2000 T R 2 0 0 0 “Piping “ P i p i n g and a n d Valve V a l v e Material M a t e r i a l Specification, S p e c i f i c a t i o n , for f o r the t h e specific s p e c i f i c project” p r o j e c t ” (TR2000) ( T R 2 0 0 0 ) TR2237 T R 2 2 3 7 Safety S a f e t y design d e s i g n for f o r onshore o n s h o r e plants p l a n t s TR2315 T R 2 3 1 5 Valve V a l v e Locking L o c k i n g TR2320 T R 2 3 2 0 Pipe P i p e support s u p p o r t requirements r e q u i r e m e n t s TR2323 T R 2 3 2 3 Piping P i p i n g fabrication, f a b r i c a t i o n , installation, i n s t a l l a t i o n , flushing f l u s h i n g and a n d testing t e s t i n g TR2325 T R 2 3 2 5 Piping P i p i n g Detail D e t a i l Standard S t a n d a r d TR3001 T R 3 0 0 1 Process P r o c e s s Safety S a f e t y TR3002 T R 3 0 0 2 Flare, F l a r e , vent v e n t and a n d drain d r a i n TR3003 T R 3 0 0 3 Emergency E m e r g e n c y depressurisation d e p r e s s u r i s a t i o n TR3016 T R 3 0 1 6 Piping P i p i n g repair r e p a i r and a n d cold c o l d installation i n s t a l l a t i o n methods m e t h o d s TR3017 T R 3 0 1 7 Valve V a l v e Selection S e l e c t i o n Manual M a n u a l TR3032 T R 3 0 3 2 Field F i e l d instrumentation i n s t r u m e n t a t i o n TR3500 T R 3 5 0 0 Process P r o c e s s System S y s t e m Design D e s i g n Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 31 3 1 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 14 1 4 App A p p A A Testing T e s t i n g of o f barriers, b a r r i e r s , examples e x a m p l e s (Informative, ( I n f o r m a t i v e , ref. r e f . ARIS A R I S OM05.07.01.01) O M 0 5 . 0 7 . 0 1 . 0 1 ) 14.1 1 4 . 1 A.1 A . 1 Example E x a m p l e 1: 1 : DI&B D I & B using u s i n g two t w o valves v a l v e s with w i t h mechanical m e c h a n i c a l activated a c t i v a t e d sealing s e a l i n g and a n d interposed i n t e r p o s e d bleed-off b l e e d - o f f Symbol S y m b o l explanation: e x p l a n a t i o n : V1: V 1 : Upstream U p s t r e a m isolating i s o l a t i n g valve v a l v e V2: V 2 : Downstream D o w n s t r e a m isolating i s o l a t i n g valve v a l v e M1: M 1 : Upstream U p s t r e a m manometer m a n o m e t e r M2: M 2 : Downstream D o w n s t r e a m manometer m a n o m e t e r M3 M 3 Manometer M a n o m e t e r for f o r monitoring m o n i t o r i n g pressure p r e s s u r e build-up b u i l d - u p B1: B 1 : Bleed B l e e d valve v a l v e (pressure ( p r e s s u r e bleed-off b l e e d - o f f point) p o i n t ) B2: B 2 : Pressure P r e s s u r e bleed-off b l e e d - o f f point p o i n t D1: D 1 : Drainage D r a i n a g e valve v a l v e Procedure: P r o c e d u r e : 1. 1 . 2. 2 . 3. 3 . 4. 4 . 5. 5 . 6. 6 . 7. 7 . 8. 8 . 9. 9 . 10. 1 0 . 11. 1 1 . Check C h e c k (if ( i f possible) p o s s i b l e ) that t h a t pipe p i p e ends e n d s at a t M1, M 1 , M2, M 2 , D1, D 1 , B1 B 1 and a n d B2 B 2 are a r e not n o t blocked b l o c k e d and a n d that t h a t manometers m a n o m e t e r s are a r e in i n working w o r k i n g order. o r d e r . Close C l o s e valve v a l v e V2 V 2 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Note N o t e the t h e pressure p r e s s u r e at a t M1 M 1 and a n d M2. M 2 . Bleed B l e e d off o f f pressure p r e s s u r e downstream d o w n s t r e a m of o f V2 V 2 and a n d check c h e c k that t h a t the t h e pressure p r e s s u r e at a t M2 M 2 falls f a l l s to t o zero. z e r o . Close C l o s e bleed-off b l e e d - o f f valve v a l v e B2 B 2 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1 M 1 and a n d M2 M 2 for f o r at a t least l e a s t ten t e n minutes. m i n u t e s . No N o indication i n d i c a t i o n of o f pressure p r e s s u r e build-up b u i l d - u p at a t M2 M 2 shows s h o w s that t h a t V2 V 2 is i s tightly t i g h t l y sealed. s e a l e d . Close C l o s e valve v a l v e V1 V 1 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Note N o t e the t h e pressure p r e s s u r e at a t M1. M 1 . Bleed B l e e d off o f f the t h e pressure p r e s s u r e between b e t w e e n V1 V 1 and a n d V2. V 2 . Set S e t both b o t h D1 D 1 and a n d B1 B 1 to t o the t h e open o p e n position. p o s i t i o n . Depressurise D e p r e s s u r i s e valve v a l v e V2s V 2 s cavity c a v i t y if i f its i t s design d e s i g n can c a n entrap e n t r a p pressure p r e s s u r e Low L o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t the t h e valve v a l v e V2 V 2 by b y pressurise p r e s s u r i s e the t h e volume v o l u m e between b e t w e e n V1 V 1 and a n d V2 V 2 with w i t h 7-10barg 7 - 1 0 b a r g N2 N 2 Close C l o s e bleed-off b l e e d - o f f valve v a l v e B1 B 1 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3 M 3 for f o r at a t least l e a s t 16 1 6 minutes. m i n u t e s . If I f Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 32 3 2 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l no n o pressure p r e s s u r e build-up b u i l d - u p takes t a k e s place p l a c e at a t M2 M 2 or o r in i n the t h e valve v a l v e V2s V 2 s cavity c a v i t y if i f its i t s design d e s i g n can c a n entrap e n t r a p pressure, p r e s s u r e , and a n d the t h e pressure p r e s s u r e M3 M 3 do d o not n o t drop, d r o p , this t h i s shows s h o w s that t h a t the t h e V2 V 2 valves v a l v e s is i s tightly t i g h t l y sealed s e a l e d on o n low l o w pressure p r e s s u r e and a n d that t h a t V1 V 1 valve v a l v e is i s tightly t i g h t l y sealed s e a l e d on o n high h i g h pressure. p r e s s u r e . 12. 1 2 . Bleed B l e e d off o f f the t h e pressure p r e s s u r e between b e t w e e n V1 V 1 and a n d V2 V 2 by b y carefully c a r e f u l l y opening o p e n i n g B1 B 1 13. 1 3 . The T h e downstream d o w n s t r e a m work w o r k can c a n now n o w be b e started s t a r t e d 14. 1 4 . Periodical P e r i o d i c a l check c h e c k that t h a t the t h e leakage l e a k a g e from f r o m B1 B 1 is i s stable, s t a b l e , B1 B 1 shall s h a l l be b e open o p e n during d u r i n g the t h e downstream d o w n s t r e a m working w o r k i n g process. p r o c e s s . 14.2 1 4 . 2 A.2 A . 2 Example E x a m p l e 2: 2 : DI&B D I & B using u s i n g two t w o valves v a l v e s with w i t h pressure p r e s s u r e activated a c t i v a t e d sealing s e a l i n g and a n d interposed i n t e r p o s e d bleed-off b l e e d - o f f Symbol S y m b o l explanation: e x p l a n a t i o n : V1: V 1 : Upstream U p s t r e a m isolating i s o l a t i n g valve v a l v e V2: V 2 : Downstream D o w n s t r e a m isolating i s o l a t i n g valve v a l v e M1: M 1 : Upstream U p s t r e a m manometer m a n o m e t e r M2: M 2 : Downstream D o w n s t r e a m manometer m a n o m e t e r M3: M 3 : Manometer M a n o m e t e r for f o r monitoring m o n i t o r i n g pressure p r e s s u r e build-up b u i l d - u p B1: B 1 : Bleed B l e e d valve v a l v e (pressure ( p r e s s u r e bleed-off b l e e d - o f f point) p o i n t ) B2: B 2 : Pressure P r e s s u r e bleed-off b l e e d - o f f point p o i n t D1: D 1 : Drainage D r a i n a g e valve v a l v e Procedure: P r o c e d u r e : 1. 1 . 2. 2 . 3. 3 . 4. 4 . 5. 5 . 6. 6 . 7. 7 . 8. 8 . Check C h e c k (if ( i f possible) p o s s i b l e ) that t h a t pipe p i p e ends e n d s at a t M1, M 1 , M2, M 2 , D1, D 1 , B1 B 1 and a n d B2 B 2 are a r e not n o t blocked b l o c k e d and a n d that t h a t manometers m a n o m e t e r s are a r e in i n working w o r k i n g order. o r d e r . Close C l o s e valve v a l v e V2 V 2 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Note N o t e the t h e pressure p r e s s u r e at a t M1 M 1 and a n d M2. M 2 . Bleed B l e e d off o f f pressure p r e s s u r e downstream d o w n s t r e a m of o f V2 V 2 and a n d check c h e c k that t h a t the t h e pressure p r e s s u r e at a t M2 M 2 falls f a l l s to t o zero. z e r o . Close C l o s e bleed-off b l e e d - o f f valve v a l v e B2 B 2 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1 M 1 and a n d M2 M 2 for f o r at a t least l e a s t ten t e n minutes. m i n u t e s . No N o indication i n d i c a t i o n of o f pressure p r e s s u r e build-up b u i l d - u p at a t M2 M 2 shows s h o w s that t h a t V2 V 2 is i s tightly t i g h t l y sealed. s e a l e d . Close C l o s e valve v a l v e V1 V 1 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Note N o t e the t h e pressure p r e s s u r e at a t M1. M 1 . Bleed B l e e d off o f f the t h e pressure p r e s s u r e between b e t w e e n V1 V 1 and a n d V2. V 2 . Set S e t both b o t h D1 D 1 and a n d B1 B 1 to t o the t h e open o p e n position. p o s i t i o n . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 33 3 3 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 9. 9 . Depressurise D e p r e s s u r i s e valve v a l v e V2s V 2 s cavity c a v i t y if i f its i t s design d e s i g n can c a n entrap e n t r a p pressure p r e s s u r e 10. 1 0 . Low L o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t the t h e valve v a l v e V2 V 2 by b y pressurise p r e s s u r i s e the t h e volume v o l u m e between b e t w e e n V1 V 1 and a n d V2 V 2 with w i t h 7-10barg 7 - 1 0 b a r g N2 N 2 11. 1 1 . Close C l o s e bleed-off b l e e d - o f f valve v a l v e B1 B 1 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3 M 3 for f o r at a t least l e a s t 16 1 6 minutes. m i n u t e s . If I f no n o pressure p r e s s u r e build-up b u i l d - u p takes t a k e s place p l a c e at a t M2 M 2 or o r in i n the t h e valve v a l v e V2s V 2 s cavity c a v i t y if i f its i t s design d e s i g n can c a n entrap e n t r a p pressure, p r e s s u r e , and a n d the t h e pressure p r e s s u r e M3 M 3 do d o not n o t drop, d r o p , this t h i s shows s h o w s that t h a t the t h e V2 V 2 valves v a l v e s is i s tightly t i g h t l y sealed s e a l e d on o n low l o w pressure p r e s s u r e and a n d that t h a t V1 V 1 valve v a l v e is i s tightly t i g h t l y sealed s e a l e d on o n high h i g h pressure. p r e s s u r e . 12. 1 2 . Pressurise P r e s s u r i s e the t h e volume v o l u m e between b e t w e e n V1 V 1 and a n d V2 V 2 with w i t h N2 N 2 to t o 16barg 1 6 b a r g 13. 1 3 . Close C l o s e the t h e valve v a l v e B1 B 1 14. 1 4 . The T h e downstream d o w n s t r e a m work w o r k can c a n now n o w be b e started s t a r t e d 15. 1 5 . Periodical P e r i o d i c a l check c h e c k that t h a t the t h e M3 M 3 pressure p r e s s u r e is i s stable s t a b l e 16. 1 6 . Stop S t o p work w o r k if i f M3 M 3 pressure p r e s s u r e gets g e t s below b e l o w 16bar 1 6 b a r or o r above a b o v e 20bar 2 0 b a r 14.3 1 4 . 3 A.3 A . 3 Example E x a m p l e 3: 3 : DI&B D I & B using u s i n g valve v a l v e with w i t h mechanical m e c h a n i c a l activated a c t i v a t e d sealing s e a l i n g Symbol S y m b o l explanation: e x p l a n a t i o n : M1: M 1 : Upstream U p s t r e a m manometer m a n o m e t e r M2: M 2 : Downstream D o w n s t r e a m manometer m a n o m e t e r V1: V 1 : Valve V a l v e with w i t h double d o u b l e seal, s e a l , with w i t h mechanical m e c h a n i c a l activation a c t i v a t i o n M3: M 3 : Manometer M a n o m e t e r for f o r monitoring m o n i t o r i n g of o f pressure p r e s s u r e build-up b u i l d - u p B1: B 1 : Bleed B l e e d valve v a l v e (pressure ( p r e s s u r e bleed-off b l e e d - o f f point) p o i n t ) B2: B 2 : Pressure P r e s s u r e bleed-off b l e e d - o f f point p o i n t D1: D 1 : Drainage D r a i n a g e valve v a l v e connected c o n n e c t e d to t o valve v a l v e body b o d y Procedure: P r o c e d u r e : 1. 1 . Check C h e c k that t h a t pipe p i p e ends e n d s at a t M1, M 1 , M2, M 2 , D1, D 1 , B1 B 1 and a n d B2 B 2 are a r e not n o t blocked b l o c k e d and a n d that t h a t the t h e manometers m a n o m e t e r s are a r e in i n working w o r k i n g order. o r d e r . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 34 3 4 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 2. 2 . 3. 3 . 4. 4 . 5. 5 . 6. 6 . 7. 7 . 8. 8 . 9. 9 . 10. 1 0 . 11. 1 1 . 12. 1 2 . 13. 1 3 . 14. 1 4 . Close C l o s e V1 V 1 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Check C h e c k that t h a t B1 B 1 is i s in i n the t h e closed c l o s e d position. p o s i t i o n . Open O p e n D1 D 1 with w i t h care. c a r e . Note N o t e the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3. M 3 . Bleed B l e e d off o f f the t h e pressure p r e s s u r e downstream d o w n s t r e a m of o f V1 V 1 and a n d check c h e c k that t h a t the t h e pressure p r e s s u r e at a t M2 M 2 falls f a l l s to t o 0. 0 . Close C l o s e bleed-off b l e e d - o f f valve v a l v e B2 B 2 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3 M 3 for f o r at a t least l e a s t 16 1 6 minutes. m i n u t e s . If I f no n o pressure p r e s s u r e build-up b u i l d - u p takes t a k e s place p l a c e at a t M2 M 2 and a n d the t h e pressure p r e s s u r e M3 M 3 do d o not n o t drop, d r o p , this t h i s shows s h o w s that t h a t the t h e V1 V 1 downstream d o w n s t r e a m seat s e a t is i s tightly t i g h t l y sealed s e a l e d on o n high h i g h pressure. p r e s s u r e . Note N o t e the t h e pressure p r e s s u r e at a t M1. M 1 . Bleed B l e e d off o f f the t h e pressure p r e s s u r e from f r o m the t h e valve v a l v e body b o d y by b y carefully c a r e f u l l y opening o p e n i n g B1. B 1 . (D1 ( D 1 should s h o u l d now n o w be b e in i n the t h e open o p e n position, p o s i t i o n , see s e e 4). 4 ) . Low L o w pressure p r e s s u r e performance p e r f o r m a n c e test t e s t the t h e downstream d o w n s t r e a m seat s e a t by b y pressurise p r e s s u r i s e the t h e valve v a l v e cavity c a v i t y with w i t h 7-10barg 7 - 1 0 b a r g N2 N 2 Close C l o s e bleed-off b l e e d - o f f valve v a l v e B1 B 1 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3 M 3 for f o r at a t least l e a s t 16 1 6 minutes. m i n u t e s . If I f no n o pressure p r e s s u r e build-up b u i l d - u p takes t a k e s place p l a c e at a t M2 M 2 and a n d the t h e pressure p r e s s u r e M3 M 3 do d o not n o t drop, d r o p , this t h i s shows s h o w s that t h a t the t h e V1 V 1 downstream d o w n s t r e a m seat s e a t is i s tightly t i g h t l y sealed s e a l e d on o n low l o w pressure p r e s s u r e and a n d that t h a t upstream u p s t r e a m seat s e a t is i s tightly t i g h t l y sealed s e a l e d on o n high h i g h pressure. p r e s s u r e . Bleed B l e e d off o f f the t h e pressure p r e s s u r e from f r o m the t h e valve v a l v e body b o d y by b y carefully c a r e f u l l y opening o p e n i n g B1. B 1 . (D1 ( D 1 should s h o u l d now n o w be b e in i n the t h e open o p e n position, p o s i t i o n , see s e e 4). 4 ) . The T h e downstream d o w n s t r e a m work w o r k can c a n now n o w be b e started s t a r t e d Periodical P e r i o d i c a l check c h e c k that t h a t the t h e leakage l e a k a g e from f r o m B1 B 1 is i s stable, s t a b l e , B1 B 1 shall s h a l l be b e open o p e n during d u r i n g the t h e downstream d o w n s t r e a m working w o r k i n g process. p r o c e s s . Note: N o t e : The T h e double-seal d o u b l e - s e a l valve v a l v e V V is i s now n o w closed. c l o s e d . The T h e drainage d r a i n a g e valve v a l v e D1 D 1 from f r o m the t h e valve v a l v e body b o d y is i s open. o p e n . The T h e bleed b l e e d valve v a l v e B1 B 1 is i s closed, c l o s e d , and a n d all a l l three t h r e e valves v a l v e s are a r e locked l o c k e d in i n the t h e closed c l o s e d position. p o s i t i o n . M3 M 3 must m u s t be b e monitored. m o n i t o r e d . In I n the t h e event e v e n t of o f pressure p r e s s u r e build-up, b u i l d - u p , B1 B 1 will w i l l be b e opened o p e n e d with w i t h care c a r e at a t regular r e g u l a r intervals. i n t e r v a l s . 14.4 1 4 . 4 A.4 A . 4 Example E x a m p l e 4: 4 : DI&B D I & B where w h e r e the t h e second s e c o n d barrier b a r r i e r has h a s a a pressure p r e s s u r e boosted b o o s t e d sealing s e a l i n g that t h a t gives g i v e s leakage l e a k a g e at a t the t h e low l o w pressure p r e s s u r e test t e s t Procedure: P r o c e d u r e : 1. 1 . 2. 2 . 3. 3 . 4. 4 . 5. 5 . 6. 6 . 7. 7 . Ref R e f appendix a p p e n d i x 1 1 or o r 3 3 for f o r the t h e barrier b a r r i e r testing t e s t i n g where w h e r e the t h e second s e c o n d barrier b a r r i e r has h a s given g i v e n a a leakage l e a k a g e at a t the t h e low l o w pressure p r e s s u r e test. t e s t . Pressurise P r e s s u r i s e the t h e system s y s t e m between b e t w e e n the t h e two t w o barriers b a r r i e r s with w i t h N2 N 2 to t o 16barg 1 6 b a r g Close C l o s e the t h e valve v a l v e B1 B 1 Stop S t o p work w o r k if i f M3 M 3 pressure p r e s s u r e gets g e t s below b e l o w 16bar 1 6 b a r or o r above a b o v e 20bar 2 0 b a r Close C l o s e bleed-off b l e e d - o f f valve v a l v e B2 B 2 downstream d o w n s t r e a m of o f M2 M 2 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e at a t M1, M 1 , M2 M 2 and a n d M3 M 3 for f o r at a t least l e a s t 16 1 6 minutes. m i n u t e s . If I f no n o pressure p r e s s u r e build-up b u i l d - u p takes t a k e s place p l a c e at a t M2 M 2 and a n d the t h e pressure p r e s s u r e M3 M 3 do d o not n o t drop, d r o p , this t h i s shows s h o w s that t h a t the t h e second s e c o n d barrier b a r r i e r has h a s been b e e n sealed s e a l e d and a n d the t h e first f i r s t barrier b a r r i e r is i s tightly t i g h t l y sealed s e a l e d on o n high h i g h pressure. p r e s s u r e . Periodical P e r i o d i c a l check c h e c k that t h a t the t h e M3 M 3 pressure p r e s s u r e is i s stable s t a b l e Stop S t o p work w o r k if i f M3 M 3 pressure p r e s s u r e gets g e t s below b e l o w 16bar 1 6 b a r or o r above a b o v e 20bar 2 0 b a r Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 35 3 5 of o f 36 3 6 granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true} Requirements: R e q u i r e m e n t s : Piping P i p i n g Engineering E n g i n e e r i n g Classification: C l a s s i f i c a t i o n : Internal I n t e r n a l 14.5 1 4 . 5 A.5 A . 5 Example E x a m p l e 5: 5 : Single S i n g l e barrier b a r r i e r Symbol S y m b o l explanation: e x p l a n a t i o n : M1: M 1 : Upstream U p s t r e a m manometer m a n o m e t e r M2: M 2 : Downstream D o w n s t r e a m manometer m a n o m e t e r V1: V 1 : Single S i n g l e isolation i s o l a t i o n valve v a l v e Procedure: P r o c e d u r e : 1. 1 . 2. 2 . 3. 3 . 4. 4 . 5. 5 . Check C h e c k that t h a t pipe p i p e ends e n d s at a t M1 M 1 and a n d M2 M 2 are a r e not n o t blocked b l o c k e d and a n d that t h a t the t h e manometers m a n o m e t e r s are a r e in i n working w o r k i n g order. o r d e r . Close C l o s e V1 V 1 and a n d lock l o c k it i t in i n the t h e closed c l o s e d position. p o s i t i o n . Note N o t e the t h e pressure p r e s s u r e at a t M1 M 1 and a n d M2. M 2 . Bleed B l e e d off o f f pressure p r e s s u r e downstream d o w n s t r e a m of o f V1 V 1 and a n d monitor m o n i t o r the t h e pressure p r e s s u r e in i n M2 M 2 for f o r at a t least l e a s t ten t e n minutes. m i n u t e s . (No ( N o pressure p r e s s u r e build- b u i l d - up u p at a t M2 M 2 indicates i n d i c a t e s that t h a t V1 V 1 is i s tightly t i g h t l y sealed.) s e a l e d . ) Open O p e n drainage/ d r a i n a g e / bleed-off b l e e d - o f f downstream d o w n s t r e a m of o f V1 V 1 and a n d secure s e c u r e in i n the t h e open o p e n position. p o s i t i o n . Note: N o t e : V1 V 1 is i s now n o w closed, c l o s e d , downstream d o w n s t r e a m bleed-off/ b l e e d - o f f / drainage d r a i n a g e is i s open o p e n and a n d both b o t h are a r e secured. s e c u r e d . Any A n y liquid l i q u i d or o r gas g a s that t h a t might m i g h t pass p a s s through t h r o u g h V1 V 1 will w i l l be b e registered r e g i s t e r e d during d u r i n g the t h e preventive p r e v e n t i v e safety s a f e t y measures. m e a s u r e s . Project P r o j e c t development, d e v e l o p m e n t , Requirements, R e q u i r e m e n t s , TR1951, T R 1 9 5 1 , Version V e r s i o n 7.03 7 . 0 3 Page P a g e 36 3 6 of o f 36 3 6 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 0000000B090A0706070908080605050C0A0B0807070A08090B0A0A030303070606050404090708 000000FFFFFF 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 000000FFFFFF FFFFFF000000 000000 0.00 0.00 0.00 0.01 0.47 0.73 0.01 0.47 0.73 0.50 0.50 0.50 0.50 0.50 0.50 0.10 0.50 0.64 0.00 0.50 0.00