engines={image=false textcolor=true vector=false text=true} tetml={filename={D:\drim\repository\projects\drim_92_0\metadata\f\b\fb5a699b6d0769d305990510623a47ae\fb5a699b6d0769d305990510623a47ae.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}
eni
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COMPANY
C
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02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
-
-
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
ABSTRACT
A
B
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T
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The
T
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scope
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c
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Company
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to
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describe
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the
t
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approach
a
p
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recommended
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by
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for
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2
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2
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1
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ENGINEERING
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t
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parties
p
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.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
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.
2
2
of
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f
31
3
1
REVISION
R
E
V
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TRACKING
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Rev.
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revision
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is
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of
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55
5
5
pages.
p
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s
.
March
M
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2011
2
0
1
1
Rev.
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v
.
01:
0
1
:
Actual
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a
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revision
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is
i
s
of
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f
31
3
1
pages
p
a
g
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s
and
a
n
d
5
5
Appendixes
A
p
p
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n
d
i
x
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s
Complete
C
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m
p
l
e
t
e
revision
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v
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of
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the
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Title
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for
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Risk
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B
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”
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“
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Inspections”.
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a
a
core
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document,
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the
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general
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of
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Eni
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describe
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approach
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p
p
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Plant,
P
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,
Pipelines,
P
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s
,
Structures,
S
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,
Naval
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Structures.
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t
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Appendix
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for
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a
is
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preparation
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p
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and
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will
w
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be
b
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included
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c
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d
in
i
n
the
t
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next
n
e
x
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revision.
r
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v
i
s
i
o
n
.
November
N
o
v
e
m
b
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2020
2
0
2
0
INFORMATION
I
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F
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M
A
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I
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REQUEST
R
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Q
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S
T
Eni
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personnel
p
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can
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access
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company
c
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standard
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repository
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p
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at:
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http://wwweandp.eni.it/TSServices/ITEM/Standards-/Normalizat/Documents-/index.asp
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refer
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to
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the
t
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Project
P
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Engineer
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Manager.
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For
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of
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standard,
s
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,
please
p
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refer
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persons
p
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on
o
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the
t
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first
f
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s
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p
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or
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to
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Company
C
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Team
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(
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s
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.
ENGINEERING
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Documento
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di
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proprietà
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p
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Esso
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non
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mostrato
m
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t
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a
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terzi
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né
n
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utilizzato
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t
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a
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per
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scopi
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p
i
diversi
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quelli
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è
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stato
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o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
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c
u
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n
t
is
i
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property
p
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p
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of
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Eni
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spa.
s
p
a
.
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shall
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a
l
l
neither
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e
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t
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e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
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used
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s
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for
f
o
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purposes
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p
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s
other
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than
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a
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those
t
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s
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for
f
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which
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granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
3
3
of
o
f
31
3
1
INDEX
I
N
D
E
X
1
1
SCOPE
S
C
O
P
E
AND
A
N
D
GENERAL
G
E
N
E
R
A
L
INFORMATION
I
N
F
O
R
M
A
T
I
O
N
6
6
1.1
1
.
1
FOREWORD
F
O
R
E
W
O
R
D
6
6
1.2
1
.
2
PURPOSE
P
U
R
P
O
S
E
AND
A
N
D
SCOPE
S
C
O
P
E
6
6
1.3
1
.
3
REFERENCES
R
E
F
E
R
E
N
C
E
S
DOCUMENTS
D
O
C
U
M
E
N
T
S
AND
A
N
D
NORMATIVES
N
O
R
M
A
T
I
V
E
S
7
7
1.4
1
.
4
TERMS
T
E
R
M
S
AND
A
N
D
DEFINITIONS
D
E
F
I
N
I
T
I
O
N
S
9
9
1.4.1
1
.
4
.
1
General
G
e
n
e
r
a
l
Definitions
D
e
f
i
n
i
t
i
o
n
s
9
9
1.4.2
1
.
4
.
2
Specific
S
p
e
c
i
f
i
c
Terms,
T
e
r
m
s
,
Definitions,
D
e
f
i
n
i
t
i
o
n
s
,
Acronyms
A
c
r
o
n
y
m
s
and
a
n
d
Abbreviations
A
b
b
r
e
v
i
a
t
i
o
n
s
9
9
1.5
1
.
5
ORDER
O
R
D
E
R
OF
O
F
PRECEDENCE
P
R
E
C
E
D
E
N
C
E
12
1
2
2
2
DOCUMENT
D
O
C
U
M
E
N
T
FORMAT
F
O
R
M
A
T
13
1
3
3
3
INTRODUCTION
I
N
T
R
O
D
U
C
T
I
O
N
14
1
4
3.1
3
.
1
RBI
R
B
I
AT
A
T
DIFFERENT
D
I
F
F
E
R
E
N
T
PROJECT
P
R
O
J
E
C
T
PHASES
P
H
A
S
E
S
14
1
4
3.1.1
3
.
1
.
1
Engineering
E
n
g
i
n
e
e
r
i
n
g
Phase
P
h
a
s
e
14
1
4
3.1.1.1
3
.
1
.
1
.
1
Handover
H
a
n
d
o
v
e
r
from
f
r
o
m
Engineering
E
n
g
i
n
e
e
r
i
n
g
to
t
o
Operations
O
p
e
r
a
t
i
o
n
s
15
1
5
3.1.2
3
.
1
.
2
Operation
O
p
e
r
a
t
i
o
n
Phase
P
h
a
s
e
15
1
5
3.1.3
3
.
1
.
3
RBI
R
B
I
and
a
n
d
local
l
o
c
a
l
regulation
r
e
g
u
l
a
t
i
o
n
16
1
6
3.1.4
3
.
1
.
4
RBI
R
B
I
and
a
n
d
Asset
A
s
s
e
t
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
16
1
6
3.1.5
3
.
1
.
5
Benefits
B
e
n
e
f
i
t
s
of
o
f
RBI
R
B
I
16
1
6
4
4
RBI
R
B
I
PROCESS
P
R
O
C
E
S
S
17
1
7
5
5
RBI
R
B
I
OBJECTIVES
O
B
J
E
C
T
I
V
E
S
AND
A
N
D
EXTENT
E
X
T
E
N
T
18
1
8
5.1
5
.
1
RBI
R
B
I
OBJECTIVES
O
B
J
E
C
T
I
V
E
S
18
1
8
5.1.1
5
.
1
.
1
The
T
h
e
RBI
R
B
I
Team
T
e
a
m
18
1
8
5.1.2
5
.
1
.
2
RBI
R
B
I
Deliverables
D
e
l
i
v
e
r
a
b
l
e
s
19
1
9
5.2
5
.
2
RBI
R
B
I
EXTENT
E
X
T
E
N
T
19
1
9
5.3
5
.
3
RBI
R
B
I
APPROACH
A
P
P
R
O
A
C
H
19
1
9
6
6
DATABASE
D
A
T
A
B
A
S
E
22
2
2
6.1
6
.
1
DATA
D
A
T
A
COLLECTION
C
O
L
L
E
C
T
I
O
N
AND
A
N
D
REVIEW
R
E
V
I
E
W
22
2
2
6.2
6
.
2
DATABASE
D
A
T
A
B
A
S
E
SETUP
S
E
T
U
P
AND
A
N
D
MANAGEMENT
M
A
N
A
G
E
M
E
N
T
23
2
3
7
7
INSPECTIONS
I
N
S
P
E
C
T
I
O
N
S
23
2
3
7.1
7
.
1
BASELINE
B
A
S
E
L
I
N
E
INSPECTION
I
N
S
P
E
C
T
I
O
N
23
2
3
7.2
7
.
2
FIRST
F
I
R
S
T
INSPECTION
I
N
S
P
E
C
T
I
O
N
24
2
4
7.3
7
.
3
FITNESS
F
I
T
N
E
S
S
FOR
F
O
R
SERVICE
S
E
R
V
I
C
E
24
2
4
8
8
DAMAGE
D
A
M
A
G
E
MECHANISMS
M
E
C
H
A
N
I
S
M
S
24
2
4
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
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à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
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t
e
r
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i
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u
t
i
l
i
z
z
a
t
o
per
p
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r
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s
c
o
p
i
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i
v
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r
s
i
da
d
a
quelli
q
u
e
l
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p
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r
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i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
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c
u
m
e
n
t
is
i
s
property
p
r
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p
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r
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y
of
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w
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third
t
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parties
p
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p
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those
t
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e
for
f
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r
which
w
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.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
4
4
of
o
f
31
3
1
8.1
8
.
1
IDENTIFICATION
I
D
E
N
T
I
F
I
C
A
T
I
O
N
OF
O
F
APPLICABLE
A
P
P
L
I
C
A
B
L
E
DAMAGE
D
A
M
A
G
E
MECHANISMS
M
E
C
H
A
N
I
S
M
S
25
2
5
8.2
8
.
2
ITEM
I
T
E
M
GROUPING
G
R
O
U
P
I
N
G
28
2
8
9
9
RISK
R
I
S
K
ANALYSIS
A
N
A
L
Y
S
I
S
28
2
8
9.1
9
.
1
RISK
R
I
S
K
MATRIX
M
A
T
R
I
X
28
2
8
9.2
9
.
2
ACCEPTABLE
A
C
C
E
P
T
A
B
L
E
RISK
R
I
S
K
LEVEL
L
E
V
E
L
28
2
8
9.3
9
.
3
RISK
R
I
S
K
ANALYSIS
A
N
A
L
Y
S
I
S
RESULTS
R
E
S
U
L
T
S
28
2
8
10
1
0
INSPECTION,
I
N
S
P
E
C
T
I
O
N
,
MONITORING
M
O
N
I
T
O
R
I
N
G
AND
A
N
D
TEST
T
E
S
T
PLANNING
P
L
A
N
N
I
N
G
EXECUTION
E
X
E
C
U
T
I
O
N
29
2
9
10.1
1
0
.
1
INSPECTION
I
N
S
P
E
C
T
I
O
N
PLAN
P
L
A
N
29
2
9
11
1
1
RESULTS
R
E
S
U
L
T
S
EVALUATION
E
V
A
L
U
A
T
I
O
N
29
2
9
11.1
1
1
.
1
INSPECTION
I
N
S
P
E
C
T
I
O
N
RESULTS
R
E
S
U
L
T
S
ANALYSIS
A
N
A
L
Y
S
I
S
29
2
9
11.2
1
1
.
2
DEFECTS
D
E
F
E
C
T
S
EVALUATION:
E
V
A
L
U
A
T
I
O
N
:
ACCEPTANCE,
A
C
C
E
P
T
A
N
C
E
,
REPAIR
R
E
P
A
I
R
OR
O
R
REPLACEMENT
R
E
P
L
A
C
E
M
E
N
T
30
3
0
11.3
1
1
.
3
RE-EVALUATION
R
E
-
E
V
A
L
U
A
T
I
O
N
30
3
0
12
1
2
IDMS
I
D
M
S
30
3
0
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
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02961.ENG.COR.PRG
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.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
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.
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5
of
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31
3
1
Acknowledgements
A
c
k
n
o
w
l
e
d
g
e
m
e
n
t
s
The
T
h
e
following
f
o
l
l
o
w
i
n
g
personnel
p
e
r
s
o
n
n
e
l
have
h
a
v
e
contributed
c
o
n
t
r
i
b
u
t
e
d
to
t
o
the
t
h
e
standard:
s
t
a
n
d
a
r
d
:
Alessandro
A
l
e
s
s
a
n
d
r
o
Gallus
G
a
l
l
u
s
Andrea
A
n
d
r
e
a
Fani
F
a
n
i
Andrea
A
n
d
r
e
a
Fisogni
F
i
s
o
g
n
i
Bartolomeo
B
a
r
t
o
l
o
m
e
o
Sgarlata
S
g
a
r
l
a
t
a
Francesco
F
r
a
n
c
e
s
c
o
Pagliari
P
a
g
l
i
a
r
i
Gianfederico
G
i
a
n
f
e
d
e
r
i
c
o
Citi
C
i
t
i
Leticia
L
e
t
i
c
i
a
Folegatti
F
o
l
e
g
a
t
t
i
de
d
e
Souza
S
o
u
z
a
Melo
M
e
l
o
Marco
M
a
r
c
o
Iori
I
o
r
i
Massimo
M
a
s
s
i
m
o
Dicembre
D
i
c
e
m
b
r
e
Matteo
M
a
t
t
e
o
Clementi
C
l
e
m
e
n
t
i
Matteo
M
a
t
t
e
o
Poldi
P
o
l
d
i
Michele
M
i
c
h
e
l
e
Romano
R
o
m
a
n
o
Michele
M
i
c
h
e
l
e
Sandrucci
S
a
n
d
r
u
c
c
i
Paolo
P
a
o
l
o
Cavassi
C
a
v
a
s
s
i
Pierluigi
P
i
e
r
l
u
i
g
i
Serio
S
e
r
i
o
Sonia
S
o
n
i
a
Monaco
M
o
n
a
c
o
Stefano
S
t
e
f
a
n
o
Franci
F
r
a
n
c
i
Vittorio
V
i
t
t
o
r
i
o
Chiodini
C
h
i
o
d
i
n
i
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
6
6
of
o
f
31
3
1
1
1
SCOPE
S
C
O
P
E
AND
A
N
D
GENERAL
G
E
N
E
R
A
L
INFORMATION
I
N
F
O
R
M
A
T
I
O
N
1.1
1
.
1
FOREWORD
F
O
R
E
W
O
R
D
Oil
O
i
l
and
a
n
d
Gas
G
a
s
(O&G)
(
O
&
G
)
production
p
r
o
d
u
c
t
i
o
n
facilities,
f
a
c
i
l
i
t
i
e
s
,
upstream
u
p
s
t
r
e
a
m
assets,
a
s
s
e
t
s
,
Refineries
R
e
f
i
n
e
r
i
e
s
and
a
n
d
Petrochemicals
P
e
t
r
o
c
h
e
m
i
c
a
l
s
Plants
P
l
a
n
t
s
are
a
r
e
by
b
y
their
t
h
e
i
r
nature,
n
a
t
u
r
e
,
due
d
u
e
to
t
o
the
t
h
e
fluid
f
l
u
i
d
handled
h
a
n
d
l
e
d
and
a
n
d
operating
o
p
e
r
a
t
i
n
g
conditions,
c
o
n
d
i
t
i
o
n
s
,
industries
i
n
d
u
s
t
r
i
e
s
where
w
h
e
r
e
there
t
h
e
r
e
is
i
s
a
a
risk
r
i
s
k
of
o
f
loss
l
o
s
s
of
o
f
containment
c
o
n
t
a
i
n
m
e
n
t
with
w
i
t
h
possibly
p
o
s
s
i
b
l
y
severe
s
e
v
e
r
e
consequences
c
o
n
s
e
q
u
e
n
c
e
s
on
o
n
the
t
h
e
health
h
e
a
l
t
h
and
a
n
d
safety
s
a
f
e
t
y
of
o
f
employees,
e
m
p
l
o
y
e
e
s
,
the
t
h
e
ecosystem,
e
c
o
s
y
s
t
e
m
,
the
t
h
e
integrity
i
n
t
e
g
r
i
t
y
of
o
f
the
t
h
e
plant
p
l
a
n
t
and
a
n
d
the
t
h
e
reputation
r
e
p
u
t
a
t
i
o
n
of
o
f
the
t
h
e
Company.
C
o
m
p
a
n
y
.
To
T
o
manage
m
a
n
a
g
e
this
t
h
i
s
Risk
R
i
s
k
it
i
t
is
i
s
necessary
n
e
c
e
s
s
a
r
y
to
t
o
optimize
o
p
t
i
m
i
z
e
all
a
l
l
the
t
h
e
efforts
e
f
f
o
r
t
s
of
o
f
the
t
h
e
activities
a
c
t
i
v
i
t
i
e
s
of
o
f
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
carried
c
a
r
r
i
e
d
out
o
u
t
during
d
u
r
i
n
g
the
t
h
e
life
l
i
f
e
of
o
f
the
t
h
e
plants,
p
l
a
n
t
s
,
especially
e
s
p
e
c
i
a
l
l
y
on
o
n
the
t
h
e
items
i
t
e
m
s
that
t
h
a
t
are
a
r
e
most
m
o
s
t
likely
l
i
k
e
l
y
to
t
o
fail
f
a
i
l
and
a
n
d
with
w
i
t
h
the
t
h
e
highest
h
i
g
h
e
s
t
negative
n
e
g
a
t
i
v
e
consequence(s)
c
o
n
s
e
q
u
e
n
c
e
(
s
)
resulting
r
e
s
u
l
t
i
n
g
from
f
r
o
m
such
s
u
c
h
failure.
f
a
i
l
u
r
e
.
This
T
h
i
s
can
c
a
n
be
b
e
achieved
a
c
h
i
e
v
e
d
through
t
h
r
o
u
g
h
the
t
h
e
adoption
a
d
o
p
t
i
o
n
of
o
f
a
a
structured
s
t
r
u
c
t
u
r
e
d
approach
a
p
p
r
o
a
c
h
that
t
h
a
t
assesses
a
s
s
e
s
s
e
s
the
t
h
e
Risk
R
i
s
k
associated
a
s
s
o
c
i
a
t
e
d
to
t
o
each
e
a
c
h
equipment,
e
q
u
i
p
m
e
n
t
,
structure
s
t
r
u
c
t
u
r
e
and
a
n
d
system
s
y
s
t
e
m
part
p
a
r
t
of
o
f
a
a
plant
p
l
a
n
t
by
b
y
defining
d
e
f
i
n
i
n
g
the
t
h
e
likelihood
l
i
k
e
l
i
h
o
o
d
of
o
f
failure
f
a
i
l
u
r
e
and
a
n
d
the
t
h
e
consequence
c
o
n
s
e
q
u
e
n
c
e
in
i
n
case
c
a
s
e
of
o
f
failure
f
a
i
l
u
r
e
(ex.
(
e
x
.
loss
l
o
s
s
of
o
f
containment
c
o
n
t
a
i
n
m
e
n
t
for
f
o
r
pressurized
p
r
e
s
s
u
r
i
z
e
d
equipment,
e
q
u
i
p
m
e
n
t
,
loss
l
o
s
s
of
o
f
structural
s
t
r
u
c
t
u
r
a
l
integrity
i
n
t
e
g
r
i
t
y
for
f
o
r
structures,
s
t
r
u
c
t
u
r
e
s
,
loss
l
o
s
s
of
o
f
function
f
u
n
c
t
i
o
n
for
f
o
r
instrument
i
n
s
t
r
u
m
e
n
t
and
a
n
d
control
c
o
n
t
r
o
l
systems).
s
y
s
t
e
m
s
)
.
The
T
h
e
result
r
e
s
u
l
t
of
o
f
the
t
h
e
Risk
R
i
s
k
assessment
a
s
s
e
s
s
m
e
n
t
is
i
s
an
a
n
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
that
t
h
a
t
may
m
a
y
include
i
n
c
l
u
d
e
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
activities
a
c
t
i
v
i
t
i
e
s
to
t
o
enhance
e
n
h
a
n
c
e
the
t
h
e
knowledge
k
n
o
w
l
e
d
g
e
of
o
f
the
t
h
e
equipment
e
q
u
i
p
m
e
n
t
condition
c
o
n
d
i
t
i
o
n
and
a
n
d
capacity
c
a
p
a
c
i
t
y
to
t
o
be
b
e
operated
o
p
e
r
a
t
e
d
as
a
s
intended.
i
n
t
e
n
d
e
d
.
The
T
h
e
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
(or
(
o
r
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
&
&
test
t
e
s
t
plan)
p
l
a
n
)
based
b
a
s
e
d
on
o
n
the
t
h
e
calculated
c
a
l
c
u
l
a
t
e
d
Risk
R
i
s
k
defines:
d
e
f
i
n
e
s
:
-
What
W
h
a
t
to
t
o
inspect,
i
n
s
p
e
c
t
,
monitor
m
o
n
i
t
o
r
and
a
n
d
test;
t
e
s
t
;
-
Where
W
h
e
r
e
to
t
o
inspect,
i
n
s
p
e
c
t
,
monitor
m
o
n
i
t
o
r
and
a
n
d
test;
t
e
s
t
;
-
When
W
h
e
n
to
t
o
inspect,
i
n
s
p
e
c
t
,
monitor
m
o
n
i
t
o
r
and
a
n
d
test;
t
e
s
t
;
-
How
H
o
w
to
t
o
inspect,
i
n
s
p
e
c
t
,
monitor
m
o
n
i
t
o
r
and
a
n
d
test.
t
e
s
t
.
It
I
t
is
i
s
important
i
m
p
o
r
t
a
n
t
to
t
o
highlight
h
i
g
h
l
i
g
h
t
that
t
h
a
t
the
t
h
e
scope
s
c
o
p
e
of
o
f
an
a
n
RBI
R
B
I
is
i
s
not
n
o
t
to
t
o
reduce
r
e
d
u
c
e
the
t
h
e
costs
c
o
s
t
s
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
inspection
i
n
s
p
e
c
t
i
o
n
activities.
a
c
t
i
v
i
t
i
e
s
.
Inspection
I
n
s
p
e
c
t
i
o
n
activities
a
c
t
i
v
i
t
i
e
s
do
d
o
not
n
o
t
reduce
r
e
d
u
c
e
risk
r
i
s
k
directly.
d
i
r
e
c
t
l
y
.
It
I
t
is
i
s
a
a
risk
r
i
s
k
management
m
a
n
a
g
e
m
e
n
t
activity
a
c
t
i
v
i
t
y
that
t
h
a
t
can
c
a
n
lead
l
e
a
d
to
t
o
risk
r
i
s
k
reduction.
r
e
d
u
c
t
i
o
n
.
Inspection,
I
n
s
p
e
c
t
i
o
n
,
as
a
s
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing,
t
e
s
t
i
n
g
,
reduces
r
e
d
u
c
e
s
the
t
h
e
uncertainty
u
n
c
e
r
t
a
i
n
t
y
of
o
f
the
t
h
e
risk
r
i
s
k
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
any
a
n
y
equipment,
e
q
u
i
p
m
e
n
t
,
structure
s
t
r
u
c
t
u
r
e
or
o
r
system
s
y
s
t
e
m
primarily
p
r
i
m
a
r
i
l
y
by
b
y
improving
i
m
p
r
o
v
i
n
g
the
t
h
e
knowledge
k
n
o
w
l
e
d
g
e
of
o
f
the
t
h
e
respective
r
e
s
p
e
c
t
i
v
e
deterioration
d
e
t
e
r
i
o
r
a
t
i
o
n
state.
s
t
a
t
e
.
1.2
1
.
2
PURPOSE
P
U
R
P
O
S
E
AND
A
N
D
SCOPE
S
C
O
P
E
The
T
h
e
scope
s
c
o
p
e
of
o
f
this
t
h
i
s
Company
C
o
m
p
a
n
y
Standard
S
t
a
n
d
a
r
d
is
i
s
to
t
o
describe
d
e
s
c
r
i
b
e
the
t
h
e
approach
a
p
p
r
o
a
c
h
recommended
r
e
c
o
m
m
e
n
d
e
d
by
b
y
Eni
E
n
i
for
f
o
r
the
t
h
e
execution
e
x
e
c
u
t
i
o
n
of
o
f
a
a
Risk-Based
R
i
s
k
-
B
a
s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
study
s
t
u
d
y
with
w
i
t
h
the
t
h
e
aim
a
i
m
to:
t
o
:
-
Assess
A
s
s
e
s
s
the
t
h
e
risk
r
i
s
k
of
o
f
Eni’s
E
n
i
’
s
assets;
a
s
s
e
t
s
;
-
Plan
P
l
a
n
inspections,
i
n
s
p
e
c
t
i
o
n
s
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
as
a
s
required,
r
e
q
u
i
r
e
d
,
based
b
a
s
e
d
on
o
n
risk
r
i
s
k
ranking;
r
a
n
k
i
n
g
;
-
Identify
I
d
e
n
t
i
f
y
the
t
h
e
scope,
s
c
o
p
e
,
effectiveness
e
f
f
e
c
t
i
v
e
n
e
s
s
and
a
n
d
techniques
t
e
c
h
n
i
q
u
e
s
to
t
o
perform
p
e
r
f
o
r
m
inspections,
i
n
s
p
e
c
t
i
o
n
s
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing;
t
e
s
t
i
n
g
;
-
Evaluate
E
v
a
l
u
a
t
e
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
combined
c
o
m
b
i
n
e
d
with
w
i
t
h
those
t
h
o
s
e
from
f
r
o
m
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing;
t
e
s
t
i
n
g
;
-
Reassess
R
e
a
s
s
e
s
s
the
t
h
e
Risk,
R
i
s
k
,
based
b
a
s
e
d
on
o
n
the
t
h
e
above
a
b
o
v
e
results
r
e
s
u
l
t
s
and
a
n
d
define
d
e
f
i
n
e
mitigation
m
i
t
i
g
a
t
i
o
n
factors
f
a
c
t
o
r
s
and/or
a
n
d
/
o
r
activities.
a
c
t
i
v
i
t
i
e
s
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
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p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
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r
used
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s
e
d
for
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o
r
purposes
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r
p
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e
s
other
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t
h
e
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than
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h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
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spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
7
7
of
o
f
31
3
1
1.3
1
.
3
REFERENCES
R
E
F
E
R
E
N
C
E
S
DOCUMENTS
D
O
C
U
M
E
N
T
S
AND
A
N
D
NORMATIVES
N
O
R
M
A
T
I
V
E
S
The
T
h
e
latest
l
a
t
e
s
t
edition
e
d
i
t
i
o
n
of
o
f
each
e
a
c
h
publication
p
u
b
l
i
c
a
t
i
o
n
shall
s
h
a
l
l
generally
g
e
n
e
r
a
l
l
y
be
b
e
used,
u
s
e
d
,
together
t
o
g
e
t
h
e
r
with
w
i
t
h
any
a
n
y
amendments/supplements/revisions
a
m
e
n
d
m
e
n
t
s
/
s
u
p
p
l
e
m
e
n
t
s
/
r
e
v
i
s
i
o
n
s
thereto,
t
h
e
r
e
t
o
,
however,
h
o
w
e
v
e
r
,
new
n
e
w
revisions/updates
r
e
v
i
s
i
o
n
s
/
u
p
d
a
t
e
s
during
d
u
r
i
n
g
an
a
n
activity
a
c
t
i
v
i
t
y
or
o
r
project
p
r
o
j
e
c
t
will
w
i
l
l
not
n
o
t
be
b
e
considered
c
o
n
s
i
d
e
r
e
d
unless
u
n
l
e
s
s
there
t
h
e
r
e
are
a
r
e
associated
a
s
s
o
c
i
a
t
e
d
safety/environmental
s
a
f
e
t
y
/
e
n
v
i
r
o
n
m
e
n
t
a
l
impacts.
i
m
p
a
c
t
s
.
#
#
Ref.
R
e
f
.
Code
C
o
d
e
Title
T
i
t
l
e
01
0
1
API
A
P
I
RP
R
P
580
5
8
0
Risk-Based
R
i
s
k
-
B
a
s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
02
0
2
API
A
P
I
RP
R
P
581
5
8
1
Risk-Based
R
i
s
k
-
B
a
s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
Technology
T
e
c
h
n
o
l
o
g
y
03
0
3
API
A
P
I
RP
R
P
574
5
7
4
Inspection
I
n
s
p
e
c
t
i
o
n
of
o
f
Piping
P
i
p
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System
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y
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C
o
m
p
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e
n
t
s
04
0
4
API
A
P
I
RP
R
P
571
5
7
1
Damage
D
a
m
a
g
e
Mechanisms
M
e
c
h
a
n
i
s
m
s
Affecting
A
f
f
e
c
t
i
n
g
Fixed
F
i
x
e
d
Equipment
E
q
u
i
p
m
e
n
t
in
i
n
the
t
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e
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R
e
f
i
n
i
n
g
Industry
I
n
d
u
s
t
r
y
05
0
5
API
A
P
I
RP
R
P
579
5
7
9
Fitness-for-Service
F
i
t
n
e
s
s
-
f
o
r
-
S
e
r
v
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c
e
06
0
6
API
A
P
I
584
5
8
4
Integrity
I
n
t
e
g
r
i
t
y
Operating
O
p
e
r
a
t
i
n
g
Window
W
i
n
d
o
w
–
–
IOW
I
O
W
07
0
7
API
A
P
I
RP
R
P
17B
1
7
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
flexible
f
l
e
x
i
b
l
e
pipe
p
i
p
e
08
0
8
API
A
P
I
RP
R
P
2RIM
2
R
I
M
09
0
9
API
A
P
I
510
5
1
0
10
1
0
API
A
P
I
651
6
5
1
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
of
o
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i
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r
s
from
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Floating
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l
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Production
P
r
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u
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i
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Systems
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y
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e
m
s
Pressure
P
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e
s
s
u
r
e
Vessel
V
e
s
s
e
l
Inspection
I
n
s
p
e
c
t
i
o
n
Code;
C
o
d
e
;
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Inspection,
I
n
s
p
e
c
t
i
o
n
,
Rating,
R
a
t
i
n
g
,
Repair,
R
e
p
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i
r
,
and
a
n
d
Alteration
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l
t
e
r
a
t
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Cathodic
C
a
t
h
o
d
i
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Protection
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r
o
t
e
c
t
i
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n
of
o
f
Aboveground
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b
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v
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g
r
o
u
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d
Petroleum
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e
t
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l
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m
Storage
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t
o
r
a
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e
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T
a
n
k
s
11
1
1
API
A
P
I
653
6
5
3
Tank
T
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k
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I
n
s
p
e
c
t
i
o
n
,
Repair,
R
e
p
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i
r
,
Alteration,
A
l
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e
r
a
t
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and
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Reconstruction
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c
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s
t
r
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12
1
2
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A
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B31G
B
3
1
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13
1
3
ASTM
A
S
T
M
G16
G
1
6
14
1
4
DNVGL-RP-G101
D
N
V
G
L
-
R
P
-
G
1
0
1
Manual
M
a
n
u
a
l
for
f
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r
Determining
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e
t
e
r
m
i
n
i
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g
the
t
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R
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m
a
i
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i
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Strength
S
t
r
e
n
g
t
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of
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Corroded
C
o
r
r
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d
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d
Pipelines
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i
p
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l
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Practice
P
r
a
c
t
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for
f
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A
p
p
l
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i
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g
Statistics
S
t
a
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i
s
t
i
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s
to
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Analysis
A
n
a
l
y
s
i
s
of
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f
Corrosion
C
o
r
r
o
s
i
o
n
Data
D
a
t
a
Risk-Based
R
i
s
k
-
B
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e
d
Inspection
I
n
s
p
e
c
t
i
o
n
of
o
f
Offshore
O
f
f
s
h
o
r
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Topsides
T
o
p
s
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s
Static
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t
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t
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Mechanical
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e
c
h
a
n
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c
a
l
Equipment
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q
u
i
p
m
e
n
t
15
1
5
DNVGL-RP-G103
D
N
V
G
L
-
R
P
-
G
1
0
3
Non-Intrusive
N
o
n
-
I
n
t
r
u
s
i
v
e
Inspection
I
n
s
p
e
c
t
i
o
n
16
1
6
DNVGL-RP-0002
D
N
V
G
L
-
R
P
-
0
0
0
2
Integrity
I
n
t
e
g
r
i
t
y
management
m
a
n
a
g
e
m
e
n
t
of
o
f
subsea
s
u
b
s
e
a
production
p
r
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d
u
c
t
i
o
n
system
s
y
s
t
e
m
17
1
7
DNVGL-RP-F116
D
N
V
G
L
-
R
P
-
F
1
1
6
Integrity
I
n
t
e
g
r
i
t
y
management
m
a
n
a
g
e
m
e
n
t
of
o
f
submarine
s
u
b
m
a
r
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n
e
pipeline
p
i
p
e
l
i
n
e
systems
s
y
s
t
e
m
s
18
1
8
DNVGL-RP-F206
D
N
V
G
L
-
R
P
-
F
2
0
6
Riser
R
i
s
e
r
integrity
i
n
t
e
g
r
i
t
y
management
m
a
n
a
g
e
m
e
n
t
19
1
9
EN
E
N
13018
1
3
0
1
8
Non-destructive
N
o
n
-
d
e
s
t
r
u
c
t
i
v
e
testing.
t
e
s
t
i
n
g
.
Visual
V
i
s
u
a
l
testing.
t
e
s
t
i
n
g
.
General
G
e
n
e
r
a
l
principles
p
r
i
n
c
i
p
l
e
s
20
2
0
EN
E
N
16991
1
6
9
9
1
Risk-Based
R
i
s
k
-
B
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s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
Framework
F
r
a
m
e
w
o
r
k
21
2
1
20602.VAR.COR.SDS
2
0
6
0
2
.
V
A
R
.
C
O
R
.
S
D
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Corrosion
C
o
r
r
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Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
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m
e
n
t
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
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o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
8
8
of
o
f
31
3
1
22
2
2
20557.VAR.COR.SDS
2
0
5
5
7
.
V
A
R
.
C
O
R
.
S
D
S
Corrosion
C
o
r
r
o
s
i
o
n
risk
r
i
s
k
assessment
a
s
s
e
s
s
m
e
n
t
methodology
m
e
t
h
o
d
o
l
o
g
y
23
2
3
06215.DOC.GEN.SDS
0
6
2
1
5
.
D
O
C
.
G
E
N
.
S
D
S
Facility
F
a
c
i
l
i
t
y
Functional
F
u
n
c
t
i
o
n
a
l
Units
U
n
i
t
s
24
2
4
02555.VAR.COR.PRG
0
2
5
5
5
.
V
A
R
.
C
O
R
.
P
R
G
Design
D
e
s
i
g
n
Criteria.
C
r
i
t
e
r
i
a
.
Internal
I
n
t
e
r
n
a
l
Corrosion.
C
o
r
r
o
s
i
o
n
.
Corrosion
C
o
r
r
o
s
i
o
n
Parameters
P
a
r
a
m
e
t
e
r
s
and
a
n
d
Classification
C
l
a
s
s
i
f
i
c
a
t
i
o
n
of
o
f
the
t
h
e
Fluid
F
l
u
i
d
25
2
5
20555.VAR.COR.PRG
2
0
5
5
5
.
V
A
R
.
C
O
R
.
P
R
G
Internal
I
n
t
e
r
n
a
l
Corrosion
C
o
r
r
o
s
i
o
n
Monitoring
M
o
n
i
t
o
r
i
n
g
Specification
S
p
e
c
i
f
i
c
a
t
i
o
n
26
2
6
20309.VAR.COR.PRG
2
0
3
0
9
.
V
A
R
.
C
O
R
.
P
R
G
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
of
o
f
buried
b
u
r
i
e
d
structures
s
t
r
u
c
t
u
r
e
s
in-plant
i
n
-
p
l
a
n
t
facilities
f
a
c
i
l
i
t
i
e
s
27
2
7
20311.VAR.COR.SDS
2
0
3
1
1
.
V
A
R
.
C
O
R
.
S
D
S
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
underwater
u
n
d
e
r
w
a
t
e
r
inspection
i
n
s
p
e
c
t
i
o
n
28
2
8
11555.VAR.COR.SDS
1
1
5
5
5
.
V
A
R
.
C
O
R
.
S
D
S
29
2
9
11557.PLI.COR.STD
1
1
5
5
7
.
P
L
I
.
C
O
R
.
S
T
D
30
3
0
20415.ENG.INT.PRG
2
0
4
1
5
.
E
N
G
.
I
N
T
.
P
R
G
Guidelines
G
u
i
d
e
l
i
n
e
s
for
f
o
r
planning
p
l
a
n
n
i
n
g
cathodic
c
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
surveys
s
u
r
v
e
y
s
of
o
f
on-
o
n
-
land
l
a
n
d
Buried
B
u
r
i
e
d
pipelines
p
i
p
e
l
i
n
e
s
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
measurements
m
e
a
s
u
r
e
m
e
n
t
s
and
a
n
d
surveys
s
u
r
v
e
y
s
for
f
o
r
on-
o
n
-
land
l
a
n
d
buried
b
u
r
i
e
d
pipelines
p
i
p
e
l
i
n
e
s
Criteria
C
r
i
t
e
r
i
a
for
f
o
r
the
t
h
e
planning
p
l
a
n
n
i
n
g
of
o
f
inspections
i
n
s
p
e
c
t
i
o
n
s
and
a
n
d
maintenance
m
a
i
n
t
e
n
a
n
c
e
on
o
n
onshore
o
n
s
h
o
r
e
and
a
n
d
offshore
o
f
f
s
h
o
r
e
pipelines
p
i
p
e
l
i
n
e
s
31
3
1
28756.ENG.INT.PRG
2
8
7
5
6
.
E
N
G
.
I
N
T
.
P
R
G
Risk
R
i
s
k
analysis
a
n
a
l
y
s
i
s
methodology
m
e
t
h
o
d
o
l
o
g
y
for
f
o
r
pipelines
p
i
p
e
l
i
n
e
s
RBI
R
B
I
development
d
e
v
e
l
o
p
m
e
n
t
32
3
2
28755.ENG.INT.PRG
2
8
7
5
5
.
E
N
G
.
I
N
T
.
P
R
G
Exposure
E
x
p
o
s
u
r
e
levels
l
e
v
e
l
s
of
o
f
onshore
o
n
s
h
o
r
e
and
a
n
d
offshore
o
f
f
s
h
o
r
e
pipelines
p
i
p
e
l
i
n
e
s
33
3
3
28871.ENG.SSE.REL
2
8
8
7
1
.
E
N
G
.
S
S
E
.
R
E
L
SURF
S
U
R
F
inspections
i
n
s
p
e
c
t
i
o
n
s
34
3
4
20560.ENG.MNU.STD
2
0
5
6
0
.
E
N
G
.
M
N
U
.
S
T
D
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Standards
S
t
a
n
d
a
r
d
s
Job
J
o
b
plans
p
l
a
n
s
35
3
5
STAP-P-1_MG-26527
S
T
A
P
-
P
-
1
_
M
G
-
2
6
5
2
7
Well
W
e
l
l
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Procedure
P
r
o
c
e
d
u
r
e
36
3
6
BP.SVI.ENG.004
B
P
.
S
V
I
.
E
N
G
.
0
0
4
37
3
7
28010.ENG.MME.STD
2
8
0
1
0
.
E
N
G
.
M
M
E
.
S
T
D
Plant
P
l
a
n
t
&
&
Structural
S
t
r
u
c
t
u
r
a
l
Integrity
I
n
t
e
g
r
i
t
y
for
f
o
r
Asset
A
s
s
e
t
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
Inspection
I
n
s
p
e
c
t
i
o
n
Data
D
a
t
a
Management
M
a
n
a
g
e
m
e
n
t
Software
S
o
f
t
w
a
r
e
Setup
S
e
t
u
p
&
&
Customization
C
u
s
t
o
m
i
z
a
t
i
o
n
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
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i
s
e
r
v
a
t
o
di
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i
proprietà
p
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o
p
r
i
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à
di
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i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
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a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
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e
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i
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t
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i
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da
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a
quelli
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l
i
per
p
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i
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q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
9
9
of
o
f
31
3
1
1.4
1
.
4
TERMS
T
E
R
M
S
AND
A
N
D
DEFINITIONS
D
E
F
I
N
I
T
I
O
N
S
1.4.1
1
.
4
.
1
General
G
e
n
e
r
a
l
Definitions
D
e
f
i
n
i
t
i
o
n
s
All
A
l
l
acronyms
a
c
r
o
n
y
m
s
and
a
n
d
abbreviations
a
b
b
r
e
v
i
a
t
i
o
n
s
used
u
s
e
d
in
i
n
the
t
h
e
document
d
o
c
u
m
e
n
t
are
a
r
e
summarized
s
u
m
m
a
r
i
z
e
d
in
i
n
Section
S
e
c
t
i
o
n
1.4.2.
1
.
4
.
2
.
-
The
T
h
e
Company
C
o
m
p
a
n
y
is
i
s
Eni
E
n
i
SpA;
S
p
A
;
ii.
i
i
.
The
T
h
e
word
w
o
r
d
shall
s
h
a
l
l
is
i
s
used
u
s
e
d
to
t
o
indicate
i
n
d
i
c
a
t
e
that
t
h
a
t
a
a
provision
p
r
o
v
i
s
i
o
n
is
i
s
mandatory;
m
a
n
d
a
t
o
r
y
;
iii.
i
i
i
.
The
T
h
e
word
w
o
r
d
should
s
h
o
u
l
d
is
i
s
used
u
s
e
d
to
t
o
indicate
i
n
d
i
c
a
t
e
that
t
h
a
t
a
a
provision
p
r
o
v
i
s
i
o
n
is
i
s
not
n
o
t
mandatory,
m
a
n
d
a
t
o
r
y
,
but
b
u
t
recommended
r
e
c
o
m
m
e
n
d
e
d
as
a
s
good
g
o
o
d
practice.
p
r
a
c
t
i
c
e
.
1.4.2
1
.
4
.
2
Specific
S
p
e
c
i
f
i
c
Terms,
T
e
r
m
s
,
Definitions,
D
e
f
i
n
i
t
i
o
n
s
,
Acronyms
A
c
r
o
n
y
m
s
and
a
n
d
Abbreviations
A
b
b
r
e
v
i
a
t
i
o
n
s
Asset
A
s
s
e
t
Natural
N
a
t
u
r
a
l
resources
r
e
s
o
u
r
c
e
s
and
a
n
d
all
a
l
l
tangible
t
a
n
g
i
b
l
e
and
a
n
d
intangible
i
n
t
a
n
g
i
b
l
e
investments
i
n
v
e
s
t
m
e
n
t
s
to
t
o
exploit
e
x
p
l
o
i
t
and
a
n
d
to
t
o
process
p
r
o
c
e
s
s
them
t
h
e
m
(including
(
i
n
c
l
u
d
i
n
g
crude
c
r
u
d
e
oil
o
i
l
extraction
e
x
t
r
a
c
t
i
o
n
facilities,
f
a
c
i
l
i
t
i
e
s
,
storage
s
t
o
r
a
g
e
and
a
n
d
import/export
i
m
p
o
r
t
/
e
x
p
o
r
t
facilities,
f
a
c
i
l
i
t
i
e
s
,
hydrocarbon
h
y
d
r
o
c
a
r
b
o
n
refining
r
e
f
i
n
i
n
g
facilities,
f
a
c
i
l
i
t
i
e
s
,
conversion
c
o
n
v
e
r
s
i
o
n
and
a
n
d
treatment
t
r
e
a
t
m
e
n
t
facilities,
f
a
c
i
l
i
t
i
e
s
,
power
p
o
w
e
r
plants
p
l
a
n
t
s
and
a
n
d
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
treatment
t
r
e
a
t
m
e
n
t
facilities).
f
a
c
i
l
i
t
i
e
s
)
.
In
I
n
this
t
h
i
s
document
d
o
c
u
m
e
n
t
"Assets"
"
A
s
s
e
t
s
"
means
m
e
a
n
s
the
t
h
e
physical
p
h
y
s
i
c
a
l
portion
p
o
r
t
i
o
n
of
o
f
the
t
h
e
assets.
a
s
s
e
t
s
.
Consequence
C
o
n
s
e
q
u
e
n
c
e
of
o
f
failure
f
a
i
l
u
r
e
Corrosion
C
o
r
r
o
s
i
o
n
allowance
a
l
l
o
w
a
n
c
e
The
T
h
e
consequence
c
o
n
s
e
q
u
e
n
c
e
of
o
f
failure
f
a
i
l
u
r
e
through
t
h
r
o
u
g
h
the
t
h
e
unintentional
u
n
i
n
t
e
n
t
i
o
n
a
l
release
r
e
l
e
a
s
e
of
o
f
hazardous
h
a
z
a
r
d
o
u
s
fluids,
f
l
u
i
d
s
,
including
i
n
c
l
u
d
i
n
g
effects
e
f
f
e
c
t
s
on
o
n
Health
H
e
a
l
t
h
and
a
n
d
Safety,
S
a
f
e
t
y
,
of
o
f
employees,
e
m
p
l
o
y
e
e
s
,
as
a
s
well
w
e
l
l
as
a
s
of
o
f
the
t
h
e
public,
p
u
b
l
i
c
,
to
t
o
the
t
h
e
environment,
e
n
v
i
r
o
n
m
e
n
t
,
to
t
o
the
t
h
e
operability
o
p
e
r
a
b
i
l
i
t
y
of
o
f
the
t
h
e
asset
a
s
s
e
t
and
a
n
d
the
t
h
e
company
c
o
m
p
a
n
y
reputation.
r
e
p
u
t
a
t
i
o
n
.
The
T
h
e
thickness
t
h
i
c
k
n
e
s
s
of
o
f
material
m
a
t
e
r
i
a
l
which
w
h
i
c
h
can
c
a
n
safely
s
a
f
e
l
y
be
b
e
allowed
a
l
l
o
w
e
d
to
t
o
corrode
c
o
r
r
o
d
e
having
h
a
v
i
n
g
regard
r
e
g
a
r
d
for
f
o
r
the
t
h
e
operating
o
p
e
r
a
t
i
n
g
environment
e
n
v
i
r
o
n
m
e
n
t
and
a
n
d
applied
a
p
p
l
i
e
d
stresses
s
t
r
e
s
s
e
s
CMMS
C
M
M
S
A
A
computerized
c
o
m
p
u
t
e
r
i
z
e
d
maintenance
m
a
i
n
t
e
n
a
n
c
e
management
m
a
n
a
g
e
m
e
n
t
system
s
y
s
t
e
m
is
i
s
a
a
software
s
o
f
t
w
a
r
e
that
t
h
a
t
helps
h
e
l
p
s
manage
m
a
n
a
g
e
assets,
a
s
s
e
t
s
,
schedule
s
c
h
e
d
u
l
e
maintenance
m
a
i
n
t
e
n
a
n
c
e
and
a
n
d
track
t
r
a
c
k
work
w
o
r
k
orders.
o
r
d
e
r
s
.
Critical
C
r
i
t
i
c
a
l
Thickness
T
h
i
c
k
n
e
s
s
Profile
P
r
o
f
i
l
e
Profile
P
r
o
f
i
l
e
of
o
f
the
t
h
e
penetration
p
e
n
e
t
r
a
t
i
o
n
if
i
f
a
a
defect
d
e
f
e
c
t
through
t
h
r
o
u
g
h
the
t
h
e
wall
w
a
l
l
thickness
t
h
i
c
k
n
e
s
s
of
o
f
a
a
vessel
v
e
s
s
e
l
shell
s
h
e
l
l
or
o
r
pipe,
p
i
p
e
,
assessed
a
s
s
e
s
s
e
d
through
t
h
r
o
u
g
h
inspection
i
n
s
p
e
c
t
i
o
n
measurements,
m
e
a
s
u
r
e
m
e
n
t
s
,
for
f
o
r
instance
i
n
s
t
a
n
c
e
by
b
y
spot
s
p
o
t
UT
U
T
readings.
r
e
a
d
i
n
g
s
.
It
I
t
shall
s
h
a
l
l
be
b
e
determined
d
e
t
e
r
m
i
n
e
d
in
i
n
the
t
h
e
longitudinal
l
o
n
g
i
t
u
d
i
n
a
l
and
a
n
d
circumferential
c
i
r
c
u
m
f
e
r
e
n
t
i
a
l
direction.
d
i
r
e
c
t
i
o
n
.
Damage
D
a
m
a
g
e
(type)
(
t
y
p
e
)
The
T
h
e
observed
o
b
s
e
r
v
e
d
effect
e
f
f
e
c
t
on
o
n
a
a
component
c
o
m
p
o
n
e
n
t
of
o
f
the
t
h
e
action
a
c
t
i
o
n
of
o
f
a
a
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanism.
m
e
c
h
a
n
i
s
m
.
The
T
h
e
damage
d
a
m
a
g
e
type
t
y
p
e
gives
g
i
v
e
s
rise
r
i
s
e
to
t
o
the
t
h
e
failure
f
a
i
l
u
r
e
mechanism
m
e
c
h
a
n
i
s
m
of
o
f
a
a
component.
c
o
m
p
o
n
e
n
t
.
Examples
E
x
a
m
p
l
e
s
of
o
f
damage
d
a
m
a
g
e
include
i
n
c
l
u
d
e
cracking,
c
r
a
c
k
i
n
g
,
uniform
u
n
i
f
o
r
m
wall
w
a
l
l
thinning,
t
h
i
n
n
i
n
g
,
and
a
n
d
pitting.
p
i
t
t
i
n
g
.
Damage
D
a
m
a
g
e
model
m
o
d
e
l
A
A
mathematical
m
a
t
h
e
m
a
t
i
c
a
l
and/or
a
n
d
/
o
r
heuristic
h
e
u
r
i
s
t
i
c
representation
r
e
p
r
e
s
e
n
t
a
t
i
o
n
of
o
f
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
degradation.
d
e
g
r
a
d
a
t
i
o
n
.
This
T
h
i
s
may
m
a
y
express
e
x
p
r
e
s
s
the
t
h
e
accumulation
a
c
c
u
m
u
l
a
t
i
o
n
of
o
f
damage
d
a
m
a
g
e
over
o
v
e
r
time
t
i
m
e
as
a
s
functions
f
u
n
c
t
i
o
n
s
of
o
f
physical
p
h
y
s
i
c
a
l
or
o
r
chemical
c
h
e
m
i
c
a
l
parameters,
p
a
r
a
m
e
t
e
r
s
,
and
a
n
d
normally
n
o
r
m
a
l
l
y
includes
i
n
c
l
u
d
e
s
the
t
h
e
estimation
e
s
t
i
m
a
t
i
o
n
of
o
f
the
t
h
e
conditions
c
o
n
d
i
t
i
o
n
s
that
t
h
a
t
give
g
i
v
e
rise
r
i
s
e
to
t
o
failure.
f
a
i
l
u
r
e
.
Damage
D
a
m
a
g
e
rate
r
a
t
e
The
T
h
e
development
d
e
v
e
l
o
p
m
e
n
t
of
o
f
damage
d
a
m
a
g
e
over
o
v
e
r
time.
t
i
m
e
.
Defect
D
e
f
e
c
t
A
A
defect
d
e
f
e
c
t
is
i
s
a
a
non-compliance
n
o
n
-
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
project
p
r
o
j
e
c
t
specifications
s
p
e
c
i
f
i
c
a
t
i
o
n
s
or
o
r
without
w
i
t
h
o
u
t
the
t
h
e
acceptance
a
c
c
e
p
t
a
n
c
e
criteria
c
r
i
t
e
r
i
a
defined.
d
e
f
i
n
e
d
.
Design
D
e
s
i
g
n
life
l
i
f
e
That
T
h
a
t
period
p
e
r
i
o
d
during
d
u
r
i
n
g
which
w
h
i
c
h
an
a
n
item
i
t
e
m
or
o
r
component
c
o
m
p
o
n
e
n
t
is
i
s
intended
i
n
t
e
n
d
e
d
to
t
o
remain
r
e
m
a
i
n
fit
f
i
t
for
f
o
r
service
s
e
r
v
i
c
e
under
u
n
d
e
r
the
t
h
e
specified
s
p
e
c
i
f
i
e
d
design
d
e
s
i
g
n
and
a
n
d
operating
o
p
e
r
a
t
i
n
g
process
p
r
o
c
e
s
s
conditions.
c
o
n
d
i
t
i
o
n
s
.
Failure
F
a
i
l
u
r
e
Termination
T
e
r
m
i
n
a
t
i
o
n
of
o
f
the
t
h
e
ability
a
b
i
l
i
t
y
of
o
f
a
a
system,
s
y
s
t
e
m
,
structure,
s
t
r
u
c
t
u
r
e
,
or
o
r
component
c
o
m
p
o
n
e
n
t
to
t
o
perform
p
e
r
f
o
r
m
its
i
t
s
required
r
e
q
u
i
r
e
d
function
f
u
n
c
t
i
o
n
of
o
f
containment
c
o
n
t
a
i
n
m
e
n
t
of
o
f
fluid
f
l
u
i
d
(i.e.
(
i
.
e
.
loss
l
o
s
s
of
o
f
containment).
c
o
n
t
a
i
n
m
e
n
t
)
.
Failure
F
a
i
l
u
r
e
may
m
a
y
be
b
e
unannounced
u
n
a
n
n
o
u
n
c
e
d
and
a
n
d
undetectable
u
n
d
e
t
e
c
t
a
b
l
e
until
u
n
t
i
l
the
t
h
e
next
n
e
x
t
inspection
i
n
s
p
e
c
t
i
o
n
(unannounced
(
u
n
a
n
n
o
u
n
c
e
d
failure)
f
a
i
l
u
r
e
)
or
o
r
may
m
a
y
be
b
e
announced
a
n
n
o
u
n
c
e
d
and
a
n
d
detected
d
e
t
e
c
t
e
d
by
b
y
any
a
n
y
number
n
u
m
b
e
r
of
o
f
methods
m
e
t
h
o
d
s
at
a
t
the
t
h
e
instance
i
n
s
t
a
n
c
e
of
o
f
occurrence
o
c
c
u
r
r
e
n
c
e
(announced
(
a
n
n
o
u
n
c
e
d
failure).
f
a
i
l
u
r
e
)
.
The
T
h
e
point
p
o
i
n
t
at
a
t
which
w
h
i
c
h
a
a
component
c
o
m
p
o
n
e
n
t
ceases
c
e
a
s
e
s
to
t
o
fulfil
f
u
l
f
i
l
its
i
t
s
function
f
u
n
c
t
i
o
n
and
a
n
d
the
t
h
e
limits
l
i
m
i
t
s
placed
p
l
a
c
e
d
on
o
n
it.
i
t
.
The
T
h
e
failure
f
a
i
l
u
r
e
condition
c
o
n
d
i
t
i
o
n
must
m
u
s
t
be
b
e
clearly
c
l
e
a
r
l
y
defined
d
e
f
i
n
e
d
in
i
n
its
i
t
s
relationship
r
e
l
a
t
i
o
n
s
h
i
p
to
t
o
the
t
h
e
component.
c
o
m
p
o
n
e
n
t
.
Failure
F
a
i
l
u
r
e
can
c
a
n
be
b
e
expressed,
e
x
p
r
e
s
s
e
d
,
for
f
o
r
example,
e
x
a
m
p
l
e
,
in
i
n
terms
t
e
r
m
s
of
o
f
non-compliance
n
o
n
-
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
design
d
e
s
i
g
n
codes,
c
o
d
e
s
,
or
o
r
exceedance
e
x
c
e
e
d
a
n
c
e
of
o
f
a
a
set
s
e
t
risk
r
i
s
k
limit,
l
i
m
i
t
,
neither
n
e
i
t
h
e
r
of
o
f
which
w
h
i
c
h
necessarily
n
e
c
e
s
s
a
r
i
l
y
imply
i
m
p
l
y
leakage.
l
e
a
k
a
g
e
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
10
1
0
of
o
f
31
3
1
Flaw
F
l
a
w
The
T
h
e
physical
p
h
y
s
i
c
a
l
manifestation
m
a
n
i
f
e
s
t
a
t
i
o
n
of
o
f
a
a
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanism,
m
e
c
h
a
n
i
s
m
,
in
i
n
terms
t
e
r
m
s
of
o
f
cracking,
c
r
a
c
k
i
n
g
,
pitting
p
i
t
t
i
n
g
or
o
r
wall
w
a
l
l
loss
l
o
s
s
etc.
e
t
c
.
HAZOP
H
A
Z
O
P
(Hazard
(
H
a
z
a
r
d
and
a
n
d
Operability
O
p
e
r
a
b
i
l
i
t
y
Analysis)
A
n
a
l
y
s
i
s
)
Analysis
A
n
a
l
y
s
i
s
carried
c
a
r
r
i
e
d
out
o
u
t
by
b
y
a
a
multidisciplinary
m
u
l
t
i
d
i
s
c
i
p
l
i
n
a
r
y
team
t
e
a
m
which
w
h
i
c
h
uses
u
s
e
s
a
a
systematic
s
y
s
t
e
m
a
t
i
c
approach
a
p
p
r
o
a
c
h
to
t
o
identify
i
d
e
n
t
i
f
y
hazards
h
a
z
a
r
d
s
and
a
n
d
operability
o
p
e
r
a
b
i
l
i
t
y
problems
p
r
o
b
l
e
m
s
occurring
o
c
c
u
r
r
i
n
g
as
a
s
a
a
result
r
e
s
u
l
t
of
o
f
deviations
d
e
v
i
a
t
i
o
n
s
from
f
r
o
m
the
t
h
e
intended
i
n
t
e
n
d
e
d
range
r
a
n
g
e
of
o
f
process
p
r
o
c
e
s
s
conditions.
c
o
n
d
i
t
i
o
n
s
.
IDMS
I
D
M
S
Inspection
I
n
s
p
e
c
t
i
o
n
Data
D
a
t
a
Management
M
a
n
a
g
e
m
e
n
t
System.
S
y
s
t
e
m
.
An
A
n
Inspection
I
n
s
p
e
c
t
i
o
n
Data
D
a
t
a
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
(IDMS)
(
I
D
M
S
)
is
i
s
a
a
software
s
o
f
t
w
a
r
e
program
p
r
o
g
r
a
m
utilized
u
t
i
l
i
z
e
d
to
t
o
organize
o
r
g
a
n
i
z
e
data
d
a
t
a
related
r
e
l
a
t
e
d
to
t
o
a
a
facility’s
f
a
c
i
l
i
t
y
’
s
fixed
f
i
x
e
d
equipment
e
q
u
i
p
m
e
n
t
inspection
i
n
s
p
e
c
t
i
o
n
regime.
r
e
g
i
m
e
.
Inspection
I
n
s
p
e
c
t
i
o
n
An
A
n
activity
a
c
t
i
v
i
t
y
carried
c
a
r
r
i
e
d
out
o
u
t
periodically
p
e
r
i
o
d
i
c
a
l
l
y
and
a
n
d
used
u
s
e
d
to
t
o
assess
a
s
s
e
s
s
the
t
h
e
progression
p
r
o
g
r
e
s
s
i
o
n
of
o
f
damage
d
a
m
a
g
e
in
i
n
a
a
component.
c
o
m
p
o
n
e
n
t
.
Inspection
I
n
s
p
e
c
t
i
o
n
can
c
a
n
be
b
e
through
t
h
r
o
u
g
h
technical
t
e
c
h
n
i
c
a
l
instruments
i
n
s
t
r
u
m
e
n
t
s
(NDT)
(
N
D
T
)
or
o
r
as
a
s
a
a
visual
v
i
s
u
a
l
examination.
e
x
a
m
i
n
a
t
i
o
n
.
Inspection
I
n
s
p
e
c
t
i
o
n
effectiveness
e
f
f
e
c
t
i
v
e
n
e
s
s
A
A
description
d
e
s
c
r
i
p
t
i
o
n
of
o
f
the
t
h
e
ability
a
b
i
l
i
t
y
of
o
f
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
method
m
e
t
h
o
d
to
t
o
detect
d
e
t
e
c
t
the
t
h
e
damage
d
a
m
a
g
e
type
t
y
p
e
inspected.
i
n
s
p
e
c
t
e
d
.
Inspection
I
n
s
p
e
c
t
i
o
n
level
l
e
v
e
l
The
T
h
e
Inspection
I
n
s
p
e
c
t
i
o
n
Level
L
e
v
e
l
is
i
s
an
a
n
attribute
a
t
t
r
i
b
u
t
e
given
g
i
v
e
n
to
t
o
an
a
n
item
i
t
e
m
in
i
n
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
planning
p
l
a
n
n
i
n
g
phase
p
h
a
s
e
which
w
h
i
c
h
reflects
r
e
f
l
e
c
t
s
the
t
h
e
risk
r
i
s
k
class,
c
l
a
s
s
,
or
o
r
criticality,
c
r
i
t
i
c
a
l
i
t
y
,
attributed
a
t
t
r
i
b
u
t
e
d
to
t
o
the
t
h
e
item
i
t
e
m
itself,
i
t
s
e
l
f
,
or
o
r
a
a
part
p
a
r
t
of
o
f
it.
i
t
.
It
I
t
is
i
s
used
u
s
e
d
to
t
o
define
d
e
f
i
n
e
the
t
h
e
extent
e
x
t
e
n
t
of
o
f
the
t
h
e
inspection,
i
n
s
p
e
c
t
i
o
n
,
for
f
o
r
instance
i
n
s
t
a
n
c
e
as
a
s
spacing
s
p
a
c
i
n
g
of
o
f
spot
s
p
o
t
measurements
m
e
a
s
u
r
e
m
e
n
t
s
or
o
r
size
s
i
z
e
and
a
n
d
number
n
u
m
b
e
r
of
o
f
sample
s
a
m
p
l
e
areas
a
r
e
a
s
to
t
o
be
b
e
inspected.
i
n
s
p
e
c
t
e
d
.
Inspection
I
n
s
p
e
c
t
i
o
n
methods
m
e
t
h
o
d
s
Inspection
I
n
s
p
e
c
t
i
o
n
program/plan
p
r
o
g
r
a
m
/
p
l
a
n
Internal
I
n
t
e
r
n
a
l
Visual
V
i
s
u
a
l
Inspection
I
n
s
p
e
c
t
i
o
n
(VI)
(
V
I
)
How
H
o
w
inspection
i
n
s
p
e
c
t
i
o
n
can
c
a
n
be
b
e
carried
c
a
r
r
i
e
d
out
o
u
t
such
s
u
c
h
as
a
s
visual,
v
i
s
u
a
l
,
ultrasonic,
u
l
t
r
a
s
o
n
i
c
,
radiographic.
r
a
d
i
o
g
r
a
p
h
i
c
.
A
A
summary
s
u
m
m
a
r
y
of
o
f
inspection
i
n
s
p
e
c
t
i
o
n
activities
a
c
t
i
v
i
t
i
e
s
mainly
m
a
i
n
l
y
used
u
s
e
d
as
a
s
an
a
n
overview
o
v
e
r
v
i
e
w
of
o
f
inspection
i
n
s
p
e
c
t
i
o
n
activity
a
c
t
i
v
i
t
y
for
f
o
r
several
s
e
v
e
r
a
l
years
y
e
a
r
s
into
i
n
t
o
the
t
h
e
future.
f
u
t
u
r
e
.
This
T
h
i
s
is
i
s
considered
c
o
n
s
i
d
e
r
e
d
as
a
s
an
a
n
intrusive
i
n
t
r
u
s
i
v
e
close
c
l
o
s
e
visual
v
i
s
u
a
l
examination
e
x
a
m
i
n
a
t
i
o
n
of
o
f
all
a
l
l
internally
i
n
t
e
r
n
a
l
l
y
accessible
a
c
c
e
s
s
i
b
l
e
plate
p
l
a
t
e
material
m
a
t
e
r
i
a
l
and,
a
n
d
,
where
w
h
e
r
e
applicable,
a
p
p
l
i
c
a
b
l
e
,
conventional
c
o
n
v
e
n
t
i
o
n
a
l
magnetic
m
a
g
n
e
t
i
c
particle
p
a
r
t
i
c
l
e
(MPI)
(
M
P
I
)
or
o
r
dye
d
y
e
penetrant
p
e
n
e
t
r
a
n
t
(DPI)
(
D
P
I
)
inspection
i
n
s
p
e
c
t
i
o
n
of
o
f
welds.
w
e
l
d
s
.
Monitoring
M
o
n
i
t
o
r
i
n
g
An
A
n
activity
a
c
t
i
v
i
t
y
carried
c
a
r
r
i
e
d
out
o
u
t
over
o
v
e
r
time
t
i
m
e
whereby
w
h
e
r
e
b
y
the
t
h
e
amount
a
m
o
u
n
t
of
o
f
damage
d
a
m
a
g
e
is
i
s
not
n
o
t
directly
d
i
r
e
c
t
l
y
measured
m
e
a
s
u
r
e
d
but
b
u
t
is
i
s
inferred
i
n
f
e
r
r
e
d
by
b
y
the
t
h
e
measurement
m
e
a
s
u
r
e
m
e
n
t
of
o
f
factors
f
a
c
t
o
r
s
that
t
h
a
t
affect
a
f
f
e
c
t
that
t
h
a
t
damage.
d
a
m
a
g
e
.
An
A
n
example
e
x
a
m
p
l
e
would
w
o
u
l
d
be
b
e
the
t
h
e
monitoring
m
o
n
i
t
o
r
i
n
g
of
o
f
CO2
C
O
2
content
c
o
n
t
e
n
t
in
i
n
a
a
process
p
r
o
c
e
s
s
stream
s
t
r
e
a
m
concerning
c
o
n
c
e
r
n
i
n
g
CO2
C
O
2
corrosion.
c
o
r
r
o
s
i
o
n
.
NDT
N
D
T
Non-destructive
N
o
n
-
d
e
s
t
r
u
c
t
i
v
e
testing.
t
e
s
t
i
n
g
.
Inspection
I
n
s
p
e
c
t
i
o
n
of
o
f
components
c
o
m
p
o
n
e
n
t
s
using
u
s
i
n
g
equipment
e
q
u
i
p
m
e
n
t
to
t
o
reveal
r
e
v
e
a
l
the
t
h
e
defects,
d
e
f
e
c
t
s
,
such
s
u
c
h
as
a
s
magnetic
m
a
g
n
e
t
i
c
particles
p
a
r
t
i
c
l
e
s
or
o
r
ultrasonic
u
l
t
r
a
s
o
n
i
c
methods.
m
e
t
h
o
d
s
.
Non-Intrusive
N
o
n
-
I
n
t
r
u
s
i
v
e
Inspection
I
n
s
p
e
c
t
i
o
n
(NII)
(
N
I
I
)
This
T
h
i
s
refers
r
e
f
e
r
s
to
t
o
any
a
n
y
inspection
i
n
s
p
e
c
t
i
o
n
performed
p
e
r
f
o
r
m
e
d
from
f
r
o
m
the
t
h
e
outside
o
u
t
s
i
d
e
of
o
f
the
t
h
e
vessel
v
e
s
s
e
l
without
w
i
t
h
o
u
t
having
h
a
v
i
n
g
to
t
o
break
b
r
e
a
k
containment
c
o
n
t
a
i
n
m
e
n
t
and/or
a
n
d
/
o
r
not
n
o
t
requiring
r
e
q
u
i
r
i
n
g
vessel
v
e
s
s
e
l
entry.
e
n
t
r
y
.
It
I
t
may
m
a
y
be
b
e
performed
p
e
r
f
o
r
m
e
d
on-stream
o
n
-
s
t
r
e
a
m
or
o
r
off-stream.
o
f
f
-
s
t
r
e
a
m
.
The
T
h
e
terms
t
e
r
m
s
“non-invasive”
“
n
o
n
-
i
n
v
a
s
i
v
e
”
and
a
n
d
“non-intrusive”
“
n
o
n
-
i
n
t
r
u
s
i
v
e
”
are
a
r
e
often
o
f
t
e
n
used
u
s
e
d
interchangeably.
i
n
t
e
r
c
h
a
n
g
e
a
b
l
y
.
Remnant
R
e
m
n
a
n
t
life
l
i
f
e
That
T
h
a
t
period
p
e
r
i
o
d
during
d
u
r
i
n
g
which
w
h
i
c
h
it
i
t
is
i
s
judged
j
u
d
g
e
d
that
t
h
a
t
an
a
n
item
i
t
e
m
or
o
r
component
c
o
m
p
o
n
e
n
t
will
w
i
l
l
remain
r
e
m
a
i
n
safe
s
a
f
e
to
t
o
operate,
o
p
e
r
a
t
e
,
allowing
a
l
l
o
w
i
n
g
for
f
o
r
the
t
h
e
elapsed
e
l
a
p
s
e
d
service
s
e
r
v
i
c
e
life.
l
i
f
e
.
Risk
R
i
s
k
The
T
h
e
combination
c
o
m
b
i
n
a
t
i
o
n
of
o
f
the
t
h
e
probability
p
r
o
b
a
b
i
l
i
t
y
that
t
h
a
t
a
a
certain
c
e
r
t
a
i
n
event
e
v
e
n
t
may
m
a
y
occur
o
c
c
u
r
in
i
n
a
a
certain
c
e
r
t
a
i
n
period
p
e
r
i
o
d
or
o
r
in
i
n
specific
s
p
e
c
i
f
i
c
circumstances
c
i
r
c
u
m
s
t
a
n
c
e
s
and
a
n
d
the
t
h
e
consequences
c
o
n
s
e
q
u
e
n
c
e
s
that
t
h
a
t
can
c
a
n
arise.
a
r
i
s
e
.
Risk-Based
R
i
s
k
-
B
a
s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
(RBI)
(
R
B
I
)
A
A
decision-making
d
e
c
i
s
i
o
n
-
m
a
k
i
n
g
technique
t
e
c
h
n
i
q
u
e
for
f
o
r
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
planning
p
l
a
n
n
i
n
g
based
b
a
s
e
d
on
o
n
risk
r
i
s
k
–
–
comprising
c
o
m
p
r
i
s
i
n
g
the
t
h
e
probability
p
r
o
b
a
b
i
l
i
t
y
of
o
f
failure
f
a
i
l
u
r
e
and
a
n
d
consequence
c
o
n
s
e
q
u
e
n
c
e
of
o
f
failure.
f
a
i
l
u
r
e
.
Subsea
S
u
b
s
e
a
Distribution
D
i
s
t
r
i
b
u
t
i
o
n
System
S
y
s
t
e
m
Subsea
S
u
b
s
e
a
Processing
P
r
o
c
e
s
s
i
n
g
Subsea
S
u
b
s
e
a
Safety
S
a
f
e
t
y
System
S
y
s
t
e
m
Dynamic
D
y
n
a
m
i
c
umbilical,
u
m
b
i
l
i
c
a
l
,
static
s
t
a
t
i
c
umbilical,
u
m
b
i
l
i
c
a
l
,
integrated
i
n
t
e
g
r
a
t
e
d
pipeline
p
i
p
e
l
i
n
e
umbilical,
u
m
b
i
l
i
c
a
l
,
Subsea
S
u
b
s
e
a
Distribution
D
i
s
t
r
i
b
u
t
i
o
n
Unit
U
n
i
t
(SDU)
(
S
D
U
)
Multiphase
M
u
l
t
i
p
h
a
s
e
pump,
p
u
m
p
,
Electrical
E
l
e
c
t
r
i
c
a
l
Submersible
S
u
b
m
e
r
s
i
b
l
e
Pump
P
u
m
p
(ESP),
(
E
S
P
)
,
subsea
s
u
b
s
e
a
separator,
s
e
p
a
r
a
t
o
r
,
subsea
s
u
b
s
e
a
compressor,
c
o
m
p
r
e
s
s
o
r
,
subsea
s
u
b
s
e
a
pump
p
u
m
p
module
m
o
d
u
l
e
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
(HIPPS),
(
H
I
P
P
S
)
,
Subsea
S
u
b
s
e
a
Safety
S
a
f
e
t
y
Isolation
I
s
o
l
a
t
i
o
n
Valve
V
a
l
v
e
(SSIV)
(
S
S
I
V
)
module
m
o
d
u
l
e
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
11
1
1
of
o
f
31
3
1
Subsea
S
u
b
s
e
a
Structures
S
t
r
u
c
t
u
r
e
s
Midwater
M
i
d
w
a
t
e
r
arch,
a
r
c
h
,
subsea
s
u
b
s
e
a
template,
t
e
m
p
l
a
t
e
,
crossing
c
r
o
s
s
i
n
g
support,
s
u
p
p
o
r
t
,
crossing
c
r
o
s
s
i
n
g
structure,
s
t
r
u
c
t
u
r
e
,
protective
p
r
o
t
e
c
t
i
v
e
structure
s
t
r
u
c
t
u
r
e
Symbol
S
y
m
b
o
l
or
o
r
abbreviation
a
b
b
r
e
v
i
a
t
i
o
n
Unit
U
n
i
t
Definition
D
e
f
i
n
i
t
i
o
n
AE
A
E
(-)
(
-
)
Acoustic
A
c
o
u
s
t
i
c
Emission
E
m
i
s
s
i
o
n
ALARP
A
L
A
R
P
(-)
(
-
)
As
A
s
Low
L
o
w
As
A
s
Reasonably
R
e
a
s
o
n
a
b
l
y
Practicable
P
r
a
c
t
i
c
a
b
l
e
BLI
B
L
I
(-)
(
-
)
Baseline
B
a
s
e
l
i
n
e
Inspection
I
n
s
p
e
c
t
i
o
n
CHIME
C
H
I
M
E
(-)
(
-
)
Creeping
C
r
e
e
p
i
n
g
Head
H
e
a
d
Inspection
I
n
s
p
e
c
t
i
o
n
CMMS
C
M
M
S
(-)
(
-
)
Computerized
C
o
m
p
u
t
e
r
i
z
e
d
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
COF
C
O
F
(-)
(
-
)
Consequence
C
o
n
s
e
q
u
e
n
c
e
of
o
f
Failure
F
a
i
l
u
r
e
CR
C
R
(mm/y)
(
m
m
/
y
)
Corrosion
C
o
r
r
o
s
i
o
n
rate
r
a
t
e
CRA
C
R
A
(-)
(
-
)
Corrosion
C
o
r
r
o
s
i
o
n
Resistant
R
e
s
i
s
t
a
n
t
Alloy
A
l
l
o
y
CS
C
S
(-)
(
-
)
Carbon
C
a
r
b
o
n
Steel
S
t
e
e
l
CSCC
C
S
C
C
(-)
(
-
)
Chloride
C
h
l
o
r
i
d
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
CTP
C
T
P
(-)
(
-
)
Critical
C
r
i
t
i
c
a
l
Thickness
T
h
i
c
k
n
e
s
s
Profile
P
r
o
f
i
l
e
CUI
C
U
I
(-)
(
-
)
Corrosion
C
o
r
r
o
s
i
o
n
Under
U
n
d
e
r
Insulation
I
n
s
u
l
a
t
i
o
n
D
D
(-)
(
-
)
Diameter
D
i
a
m
e
t
e
r
(vessel
(
v
e
s
s
e
l
or
o
r
piping)
p
i
p
i
n
g
)
DFI
D
F
I
(-)
(
-
)
Design
D
e
s
i
g
n
Fabrication
F
a
b
r
i
c
a
t
i
o
n
Installations
I
n
s
t
a
l
l
a
t
i
o
n
s
DL
D
L
(years)
(
y
e
a
r
s
)
Design
D
e
s
i
g
n
life
l
i
f
e
DMS
D
M
S
(-)
(
-
)
Development
D
e
v
e
l
o
p
m
e
n
t
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
PT
P
T
(-)
(
-
)
Liquid
L
i
q
u
i
d
Penetrant
P
e
n
e
t
r
a
n
t
Inspection
I
n
s
p
e
c
t
i
o
n
ECT
E
C
T
(-)
(
-
)
Eddy
E
d
d
y
Current
C
u
r
r
e
n
t
Testing
T
e
s
t
i
n
g
EL
E
L
(-)
(
-
)
Exposure
E
x
p
o
s
u
r
e
Level
L
e
v
e
l
EMATs
E
M
A
T
s
(-)
(
-
)
Electromagnetic
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
Acoustic
A
c
o
u
s
t
i
c
Transmission
T
r
a
n
s
m
i
s
s
i
o
n
FIV
F
I
V
(-)
(
-
)
Flow-Induced
F
l
o
w
-
I
n
d
u
c
e
d
Vibrations
V
i
b
r
a
t
i
o
n
s
HAZID
H
A
Z
I
D
(-)
(
-
)
Hazard
H
a
z
a
r
d
Identification
I
d
e
n
t
i
f
i
c
a
t
i
o
n
Study
S
t
u
d
y
HAZOP
H
A
Z
O
P
(-)
(
-
)
Hazard
H
a
z
a
r
d
and
a
n
d
Operability
O
p
e
r
a
b
i
l
i
t
y
Study
S
t
u
d
y
HSE
H
S
E
(-)
(
-
)
Health,
H
e
a
l
t
h
,
Safety,
S
a
f
e
t
y
,
Environment
E
n
v
i
r
o
n
m
e
n
t
IDMS
I
D
M
S
(-)
(
-
)
Inspection
I
n
s
p
e
c
t
i
o
n
Data
D
a
t
a
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
II
I
I
(-)
(
-
)
Inspection
I
n
s
p
e
c
t
i
o
n
Interval
I
n
t
e
r
v
a
l
IMP
I
M
P
(-)
(
-
)
Inspection
I
n
s
p
e
c
t
i
o
n
and
a
n
d
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Plan
P
l
a
n
IR
I
R
(-)
(
-
)
Base
B
a
s
e
Inspection
I
n
s
p
e
c
t
i
o
n
Interval
I
n
t
e
r
v
a
l
LAS
L
A
S
(-)
(
-
)
Low
L
o
w
Alloy
A
l
l
o
y
Steel
S
t
e
e
l
LC
L
C
(-)
(
-
)
Location
L
o
c
a
t
i
o
n
Class
C
l
a
s
s
LCI
L
C
I
(-)
(
-
)
Life
L
i
f
e
Cycle
C
y
c
l
e
Information
I
n
f
o
r
m
a
t
i
o
n
LRUT
L
R
U
T
(-)
(
-
)
Long
L
o
n
g
Range
R
a
n
g
e
Ultrasonic
U
l
t
r
a
s
o
n
i
c
MFL
M
F
L
(-)
(
-
)
Magnetic
M
a
g
n
e
t
i
c
Flux
F
l
u
x
Leakage
L
e
a
k
a
g
e
MP
M
P
(-)
(
-
)
Magnetic
M
a
g
n
e
t
i
c
Particle
P
a
r
t
i
c
l
e
Inspection
I
n
s
p
e
c
t
i
o
n
N/A
N
/
A
(-)
(
-
)
Not
N
o
t
Applicable
A
p
p
l
i
c
a
b
l
e
NDT
N
D
T
(-)
(
-
)
Non
N
o
n
Destructive
D
e
s
t
r
u
c
t
i
v
e
Testing
T
e
s
t
i
n
g
OPDS
O
P
D
S
(-)
(
-
)
Opportunity
O
p
p
o
r
t
u
n
i
t
y
and
a
n
d
Project
P
r
o
j
e
c
t
Development
D
e
v
e
l
o
p
m
e
n
t
System
S
y
s
t
e
m
OPOS
O
P
O
S
(-)
(
-
)
Opportunity
O
p
p
o
r
t
u
n
i
t
y
and
a
n
d
Production
P
r
o
d
u
c
t
i
o
n
Operation
O
p
e
r
a
t
i
o
n
System
S
y
s
t
e
m
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
12
1
2
of
o
f
31
3
1
P&ID
P
&
I
D
(-)
(
-
)
Process
P
r
o
c
e
s
s
Instrumentation
I
n
s
t
r
u
m
e
n
t
a
t
i
o
n
Diagram
D
i
a
g
r
a
m
PDEFECT
P
D
E
F
E
C
T
(-)
(
-
)
Penetration
P
e
n
e
t
r
a
t
i
o
n
of
o
f
a
a
defect
d
e
f
e
c
t
PEC
P
E
C
(-)
(
-
)
Pulsed
P
u
l
s
e
d
Eddy
E
d
d
y
Current
C
u
r
r
e
n
t
PFD
P
F
D
(-)
(
-
)
Process
P
r
o
c
e
s
s
Flow
F
l
o
w
Diagram
D
i
a
g
r
a
m
PIM
P
I
M
(-)
(
-
)
Pipeline
P
i
p
e
l
i
n
e
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
PLEM
P
L
E
M
(-)
(
-
)
Pipeline
P
i
p
e
l
i
n
e
End
E
n
d
Manifold
M
a
n
i
f
o
l
d
PMI
P
M
I
(-)
(
-
)
Positive
P
o
s
i
t
i
v
e
Material
M
a
t
e
r
i
a
l
Identification
I
d
e
n
t
i
f
i
c
a
t
i
o
n
POD
P
O
D
(-)
(
-
)
Probability
P
r
o
b
a
b
i
l
i
t
y
of
o
f
detection
d
e
t
e
c
t
i
o
n
POF
P
O
F
(-)
(
-
)
Probability
P
r
o
b
a
b
i
l
i
t
y
of
o
f
Failure
F
a
i
l
u
r
e
QC
Q
C
(-)
(
-
)
Quality
Q
u
a
l
i
t
y
Control
C
o
n
t
r
o
l
QRA
Q
R
A
(-)
(
-
)
Quantitative
Q
u
a
n
t
i
t
a
t
i
v
e
Risk
R
i
s
k
Assessment
A
s
s
e
s
s
m
e
n
t
RT
R
T
(-)
(
-
)
Radiography
R
a
d
i
o
g
r
a
p
h
y
RTR
R
T
R
(-)
(
-
)
Real
R
e
a
l
Time
T
i
m
e
Radiography
R
a
d
i
o
g
r
a
p
h
y
RVI
R
V
I
(-)
(
-
)
Remote
R
e
m
o
t
e
Visual
V
i
s
u
a
l
Inspection
I
n
s
p
e
c
t
i
o
n
SECE
S
E
C
E
(-)
(
-
)
Safety
S
a
f
e
t
y
and
a
n
d
Environmental
E
n
v
i
r
o
n
m
e
n
t
a
l
Critical
C
r
i
t
i
c
a
l
Element
E
l
e
m
e
n
t
SLOFEC
S
L
O
F
E
C
(-)
(
-
)
Saturated
S
a
t
u
r
a
t
e
d
Low-Frequency
L
o
w
-
F
r
e
q
u
e
n
c
y
Eddy
E
d
d
y
Current
C
u
r
r
e
n
t
SSC
S
S
C
(-)
(
-
)
Sulphide
S
u
l
p
h
i
d
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
S/I
S
/
I
(-)
(
-
)
Stability/Instability
S
t
a
b
i
l
i
t
y
/
I
n
s
t
a
b
i
l
i
t
y
T
T
(mm)
(
m
m
)
Nominal
N
o
m
i
n
a
l
wall
w
a
l
l
thickness
t
h
i
c
k
n
e
s
s
(referred
(
r
e
f
e
r
r
e
d
to
t
o
a
a
pipe
p
i
p
e
or
o
r
a
a
vessel)
v
e
s
s
e
l
)
tCA
t
C
A
(mm)
(
m
m
)
Corrosion
C
o
r
r
o
s
i
o
n
allowance
a
l
l
o
w
a
n
c
e
tCD
t
C
D
(mm)
(
m
m
)
Declared
D
e
c
l
a
r
e
d
design
d
e
s
i
g
n
corrosion
c
o
r
r
o
s
i
o
n
allowance.
a
l
l
o
w
a
n
c
e
.
TMIN
T
M
I
N
(mm)
(
m
m
)
Minimum
M
i
n
i
m
u
m
required
r
e
q
u
i
r
e
d
thickness
t
h
i
c
k
n
e
s
s
TOFD
T
O
F
D
(-)
(
-
)
Time
T
i
m
e
of
o
f
Flight
F
l
i
g
h
t
Diffraction
D
i
f
f
r
a
c
t
i
o
n
TT
T
T
(-)
(
-
)
Thermography
T
h
e
r
m
o
g
r
a
p
h
y
UT
U
T
(-)
(
-
)
Conventional
C
o
n
v
e
n
t
i
o
n
a
l
Ultrasonic
U
l
t
r
a
s
o
n
i
c
Testing
T
e
s
t
i
n
g
VIV
V
I
V
(-)
(
-
)
Vortex-Induced
V
o
r
t
e
x
-
I
n
d
u
c
e
d
vibrations
v
i
b
r
a
t
i
o
n
s
VT
V
T
(-)
(
-
)
Visual
V
i
s
u
a
l
Inspection
I
n
s
p
e
c
t
i
o
n
XT
X
T
(-)
(
-
)
Christmas
C
h
r
i
s
t
m
a
s
Tree
T
r
e
e
1.5
1
.
5
ORDER
O
R
D
E
R
OF
O
F
PRECEDENCE
P
R
E
C
E
D
E
N
C
E
In
I
n
conjunction
c
o
n
j
u
n
c
t
i
o
n
with
w
i
t
h
this
t
h
i
s
specification,
s
p
e
c
i
f
i
c
a
t
i
o
n
,
the
t
h
e
codes,
c
o
d
e
s
,
standards
s
t
a
n
d
a
r
d
s
and
a
n
d
regulations
r
e
g
u
l
a
t
i
o
n
s
listed
l
i
s
t
e
d
in
i
n
Section
S
e
c
t
i
o
n
1.3
1
.
3
shall
s
h
a
l
l
be
b
e
applicable.
a
p
p
l
i
c
a
b
l
e
.
Reference
R
e
f
e
r
e
n
c
e
to
t
o
any
a
n
y
Standard
S
t
a
n
d
a
r
d
or
o
r
Code
C
o
d
e
shall
s
h
a
l
l
mean
m
e
a
n
the
t
h
e
latest
l
a
t
e
s
t
edition
e
d
i
t
i
o
n
of
o
f
that
t
h
a
t
Standard
S
t
a
n
d
a
r
d
or
o
r
Code
C
o
d
e
including
i
n
c
l
u
d
i
n
g
addenda,
a
d
d
e
n
d
a
,
supplements
s
u
p
p
l
e
m
e
n
t
s
or
o
r
revisions
r
e
v
i
s
i
o
n
s
unless
u
n
l
e
s
s
otherwise
o
t
h
e
r
w
i
s
e
stated
s
t
a
t
e
d
in
i
n
this
t
h
i
s
document.
d
o
c
u
m
e
n
t
.
The
T
h
e
order
o
r
d
e
r
of
o
f
precedence
p
r
e
c
e
d
e
n
c
e
shall
s
h
a
l
l
be
b
e
as
a
s
follows:
f
o
l
l
o
w
s
:
(descending
(
d
e
s
c
e
n
d
i
n
g
order)
o
r
d
e
r
)
-
Local
L
o
c
a
l
Regulations
R
e
g
u
l
a
t
i
o
n
s
of
o
f
the
t
h
e
Country
C
o
u
n
t
r
y
where
w
h
e
r
e
the
t
h
e
equipment
e
q
u
i
p
m
e
n
t
is
i
s
installed;
i
n
s
t
a
l
l
e
d
;
ii.
i
i
.
Project
P
r
o
j
e
c
t
Specifications
S
p
e
c
i
f
i
c
a
t
i
o
n
s
and
a
n
d
Data
D
a
t
a
Sheets;
S
h
e
e
t
s
;
iii.
i
i
i
.
Company
C
o
m
p
a
n
y
General
G
e
n
e
r
a
l
Specifications;
S
p
e
c
i
f
i
c
a
t
i
o
n
s
;
iv.
i
v
.
International
I
n
t
e
r
n
a
t
i
o
n
a
l
Codes
C
o
d
e
s
&
&
Standards.
S
t
a
n
d
a
r
d
s
.
International
I
n
t
e
r
n
a
t
i
o
n
a
l
Standards
S
t
a
n
d
a
r
d
s
are
a
r
e
at
a
t
the
t
h
e
lower
l
o
w
e
r
level
l
e
v
e
l
of
o
f
the
t
h
e
hierarchy,
h
i
e
r
a
r
c
h
y
,
their
t
h
e
i
r
contents,
c
o
n
t
e
n
t
s
,
assumed
a
s
s
u
m
e
d
as
a
s
a
a
reference,
r
e
f
e
r
e
n
c
e
,
is
i
s
developed
d
e
v
e
l
o
p
e
d
and
a
n
d
detailed
d
e
t
a
i
l
e
d
within
w
i
t
h
i
n
the
t
h
e
Company
C
o
m
p
a
n
y
Specifications
S
p
e
c
i
f
i
c
a
t
i
o
n
s
considering
c
o
n
s
i
d
e
r
i
n
g
the
t
h
e
specific
s
p
e
c
i
f
i
c
application
a
p
p
l
i
c
a
t
i
o
n
and
a
n
d
the
t
h
e
area
a
r
e
a
of
o
f
business
b
u
s
i
n
e
s
s
in
i
n
which
w
h
i
c
h
Eni
E
n
i
SpA
S
p
A
is
i
s
operating.
o
p
e
r
a
t
i
n
g
.
On
O
n
top
t
o
p
of
o
f
those,
t
h
o
s
e
,
there
t
h
e
r
e
are
a
r
e
the
t
h
e
Local
L
o
c
a
l
Regulations,
R
e
g
u
l
a
t
i
o
n
s
,
the
t
h
e
Project
P
r
o
j
e
c
t
Specifications
S
p
e
c
i
f
i
c
a
t
i
o
n
s
than
t
h
a
n
the
t
h
e
Company
C
o
m
p
a
n
y
Specifications.
S
p
e
c
i
f
i
c
a
t
i
o
n
s
.
Any
A
n
y
applicable
a
p
p
l
i
c
a
b
l
e
local
l
o
c
a
l
mandatory
m
a
n
d
a
t
o
r
y
rule
r
u
l
e
prevails
p
r
e
v
a
i
l
s
on
o
n
this
t
h
i
s
specification.
s
p
e
c
i
f
i
c
a
t
i
o
n
.
Should
S
h
o
u
l
d
there
t
h
e
r
e
be
b
e
a
a
perceived
p
e
r
c
e
i
v
e
d
conflict
c
o
n
f
l
i
c
t
between
b
e
t
w
e
e
n
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
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2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
13
1
3
of
o
f
31
3
1
this
t
h
i
s
standard
s
t
a
n
d
a
r
d
and
a
n
d
other
o
t
h
e
r
referenced
r
e
f
e
r
e
n
c
e
d
standards,
s
t
a
n
d
a
r
d
s
,
or
o
r
lack
l
a
c
k
of
o
f
clear
c
l
e
a
r
definition
d
e
f
i
n
i
t
i
o
n
as
a
s
to
t
o
the
t
h
e
applicability
a
p
p
l
i
c
a
b
i
l
i
t
y
of
o
f
any
a
n
y
specification
s
p
e
c
i
f
i
c
a
t
i
o
n
or
o
r
standard,
s
t
a
n
d
a
r
d
,
the
t
h
e
Facilities
F
a
c
i
l
i
t
i
e
s
Technical
T
e
c
h
n
i
c
a
l
Units
U
n
i
t
s
owner
o
w
n
e
r
of
o
f
the
t
h
e
Standard,
S
t
a
n
d
a
r
d
,
shall
s
h
a
l
l
seek
s
e
e
k
guidance
g
u
i
d
a
n
c
e
to
t
o
the
t
h
e
Standard
S
t
a
n
d
a
r
d
Team.
T
e
a
m
.
2
2
DOCUMENT
D
O
C
U
M
E
N
T
FORMAT
F
O
R
M
A
T
This
T
h
i
s
standard
s
t
a
n
d
a
r
d
is
i
s
composed
c
o
m
p
o
s
e
d
of
o
f
a
a
core
c
o
r
e
document
d
o
c
u
m
e
n
t
that
t
h
a
t
describes
d
e
s
c
r
i
b
e
s
the
t
h
e
methodology
m
e
t
h
o
d
o
l
o
g
y
with
w
i
t
h
the
t
h
e
main
m
a
i
n
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
to
t
o
be
b
e
considered
c
o
n
s
i
d
e
r
e
d
and
a
n
d
several
s
e
v
e
r
a
l
appendixes
a
p
p
e
n
d
i
x
e
s
that
t
h
a
t
deal
d
e
a
l
with
w
i
t
h
different
d
i
f
f
e
r
e
n
t
areas
a
r
e
a
s
of
o
f
application
a
p
p
l
i
c
a
t
i
o
n
of
o
f
the
t
h
e
RBI
R
B
I
approach
a
p
p
r
o
a
c
h
in
i
n
Eni’s
E
n
i
’
s
Assets.
A
s
s
e
t
s
.
The
T
h
e
basic
b
a
s
i
c
concepts
c
o
n
c
e
p
t
s
of
o
f
an
a
n
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
apply
a
p
p
l
y
to
t
o
every
e
v
e
r
y
Eni
E
n
i
facility
f
a
c
i
l
i
t
y
(refining,
(
r
e
f
i
n
i
n
g
,
petrochemical,
p
e
t
r
o
c
h
e
m
i
c
a
l
,
chemical
c
h
e
m
i
c
a
l
process
p
r
o
c
e
s
s
plants
p
l
a
n
t
s
and
a
n
d
oil
o
i
l
and
a
n
d
gas
g
a
s
production
p
r
o
d
u
c
t
i
o
n
facilities).
f
a
c
i
l
i
t
i
e
s
)
.
There
T
h
e
r
e
are
a
r
e
however
h
o
w
e
v
e
r
some
s
o
m
e
aspects
a
s
p
e
c
t
s
specifics
s
p
e
c
i
f
i
c
s
of
o
f
the
t
h
e
different
d
i
f
f
e
r
e
n
t
types
t
y
p
e
s
of
o
f
Assets,
A
s
s
e
t
s
,
that
t
h
a
t
are
a
r
e
described
d
e
s
c
r
i
b
e
d
in
i
n
details
d
e
t
a
i
l
s
in
i
n
the
t
h
e
following
f
o
l
l
o
w
i
n
g
separated
s
e
p
a
r
a
t
e
d
Appendixes.
A
p
p
e
n
d
i
x
e
s
.
Appendix:
A
p
p
e
n
d
i
x
:
-
Plant
P
l
a
n
t
-
Oil
O
i
l
&
&
Gas
G
a
s
Upstream
U
p
s
t
r
e
a
m
-
Refinery
R
e
f
i
n
e
r
y
-
Petrochemical
P
e
t
r
o
c
h
e
m
i
c
a
l
-
Pipeline
P
i
p
e
l
i
n
e
-
Onshore
O
n
s
h
o
r
e
-
Offshore
O
f
f
s
h
o
r
e
-
Rigid
R
i
g
i
d
steel
s
t
e
e
l
risers
r
i
s
e
r
s
connected
c
o
n
n
e
c
t
e
d
to
t
o
a
a
fixed
f
i
x
e
d
platform
p
l
a
t
f
o
r
m
ii.
i
i
.
Rigid
R
i
g
i
d
steel
s
t
e
e
l
pipelines
p
i
p
e
l
i
n
e
s
iii.
i
i
i
.
Subsea
S
u
b
s
e
a
rigid
r
i
g
i
d
jumpers
j
u
m
p
e
r
s
and
a
n
d
subsea
s
u
b
s
e
a
rigid
r
i
g
i
d
spools
s
p
o
o
l
s
-
Fixed
F
i
x
e
d
Steel
S
t
e
e
l
Platform
P
l
a
t
f
o
r
m
-
Jacket/Deck
J
a
c
k
e
t
/
D
e
c
k
-
Crane
C
r
a
n
e
-
Naval
N
a
v
a
l
-
Onshore
O
n
s
h
o
r
e
Civil
C
i
v
i
l
and
a
n
d
Coastal
C
o
a
s
t
a
l
Marine
M
a
r
i
n
e
Structures
S
t
r
u
c
t
u
r
e
s
-
Buildings
B
u
i
l
d
i
n
g
s
-
Piperacks
P
i
p
e
r
a
c
k
s
-
Concrete
C
o
n
c
r
e
t
e
works
w
o
r
k
s
-
Retaining
R
e
t
a
i
n
i
n
g
walls
w
a
l
l
s
-
Underground
U
n
d
e
r
g
r
o
u
n
d
elements
e
l
e
m
e
n
t
s
-
Steel
S
t
e
e
l
structures
s
t
r
u
c
t
u
r
e
s
-
Equipment
E
q
u
i
p
m
e
n
t
foundations
f
o
u
n
d
a
t
i
o
n
s
-
Jetty
J
e
t
t
y
and
a
n
d
port
p
o
r
t
structures
s
t
r
u
c
t
u
r
e
s
-
Sea
S
e
a
protection
p
r
o
t
e
c
t
i
o
n
works
w
o
r
k
s
-
Water
W
a
t
e
r
intakes
i
n
t
a
k
e
s
and
a
n
d
outfalls
o
u
t
f
a
l
l
s
-
Subsea
S
u
b
s
e
a
(under
(
u
n
d
e
r
preparation)
p
r
e
p
a
r
a
t
i
o
n
)
-
Rigid
R
i
g
i
d
steel,
s
t
e
e
l
,
hybrid
h
y
b
r
i
d
and
a
n
d
flexible
f
l
e
x
i
b
l
e
risers
r
i
s
e
r
s
connected
c
o
n
n
e
c
t
e
d
to
t
o
a
a
floating
f
l
o
a
t
i
n
g
production
p
r
o
d
u
c
t
i
o
n
system
s
y
s
t
e
m
-
Flexible
F
l
e
x
i
b
l
e
flowlines
f
l
o
w
l
i
n
e
s
and
a
n
d
flexible
f
l
e
x
i
b
l
e
jumpers
j
u
m
p
e
r
s
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
14
1
4
of
o
f
31
3
1
-
Subsea
S
u
b
s
e
a
structures
s
t
r
u
c
t
u
r
e
s
-
Subsea
S
u
b
s
e
a
XT
X
T
-
Subsea
S
u
b
s
e
a
distribution
d
i
s
t
r
i
b
u
t
i
o
n
system
s
y
s
t
e
m
-
Subsea
S
u
b
s
e
a
manifold
m
a
n
i
f
o
l
d
and
a
n
d
PLEM
P
L
E
M
-
Subsea
S
u
b
s
e
a
safety
s
a
f
e
t
y
system
s
y
s
t
e
m
-
Subsea
S
u
b
s
e
a
processing.
p
r
o
c
e
s
s
i
n
g
.
3
3
INTRODUCTION
I
N
T
R
O
D
U
C
T
I
O
N
RBI
R
B
I
provides
p
r
o
v
i
d
e
s
an
a
n
alternative
a
l
t
e
r
n
a
t
i
v
e
and
a
n
d
more
m
o
r
e
efficient
e
f
f
i
c
i
e
n
t
approach
a
p
p
r
o
a
c
h
vs
v
s
time-based
t
i
m
e
-
b
a
s
e
d
or
o
r
calendar-based
c
a
l
e
n
d
a
r
-
b
a
s
e
d
inspection
i
n
s
p
e
c
t
i
o
n
planning
p
l
a
n
n
i
n
g
by
b
y
focusing
f
o
c
u
s
i
n
g
the
t
h
e
efforts
e
f
f
o
r
t
s
on
o
n
the
t
h
e
areas
a
r
e
a
s
of
o
f
the
t
h
e
plant
p
l
a
n
t
or
o
r
facilities
f
a
c
i
l
i
t
i
e
s
with
w
i
t
h
the
t
h
e
highest
h
i
g
h
e
s
t
risk.
r
i
s
k
.
The
T
h
e
main
m
a
i
n
aim
a
i
m
of
o
f
an
a
n
RBI
R
B
I
study
s
t
u
d
y
is
i
s
to
t
o
optimize
o
p
t
i
m
i
z
e
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
accordingly
a
c
c
o
r
d
i
n
g
l
y
to
t
o
the
t
h
e
acceptable
a
c
c
e
p
t
a
b
l
e
risk
r
i
s
k
level
l
e
v
e
l
defined
d
e
f
i
n
e
d
by
b
y
the
t
h
e
plant
p
l
a
n
t
owner.
o
w
n
e
r
.
RBI
R
B
I
is
i
s
focused
f
o
c
u
s
e
d
on
o
n
any
a
n
y
threats
t
h
r
e
a
t
s
(degradation
(
d
e
g
r
a
d
a
t
i
o
n
mechanisms,
m
e
c
h
a
n
i
s
m
s
,
corrosion
c
o
r
r
o
s
i
o
n
forms,
f
o
r
m
s
,
material
m
a
t
e
r
i
a
l
deterioration,
d
e
t
e
r
i
o
r
a
t
i
o
n
,
and
a
n
d
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
events)
e
v
e
n
t
s
)
that
t
h
a
t
can
c
a
n
be
b
e
discovered
d
i
s
c
o
v
e
r
e
d
and
a
n
d
managed
m
a
n
a
g
e
d
primarily
p
r
i
m
a
r
i
l
y
through
t
h
r
o
u
g
h
inspections
i
n
s
p
e
c
t
i
o
n
s
and
a
n
d
monitoring
m
o
n
i
t
o
r
i
n
g
activities.
a
c
t
i
v
i
t
i
e
s
.
Although
A
l
t
h
o
u
g
h
inspection
i
n
s
p
e
c
t
i
o
n
does
d
o
e
s
not
n
o
t
reduce
r
e
d
u
c
e
risk
r
i
s
k
directly,
d
i
r
e
c
t
l
y
,
it
i
t
is
i
s
a
a
risk
r
i
s
k
management
m
a
n
a
g
e
m
e
n
t
activity
a
c
t
i
v
i
t
y
(provider
(
p
r
o
v
i
d
e
r
of
o
f
new
n
e
w
information)
i
n
f
o
r
m
a
t
i
o
n
)
that
t
h
a
t
may
m
a
y
lead
l
e
a
d
to
t
o
risk
r
i
s
k
reduction.
r
e
d
u
c
t
i
o
n
.
Inspection
I
n
s
p
e
c
t
i
o
n
influences
i
n
f
l
u
e
n
c
e
s
the
t
h
e
uncertainty
u
n
c
e
r
t
a
i
n
t
y
of
o
f
the
t
h
e
risk
r
i
s
k
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
assets
a
s
s
e
t
s
by
b
y
improving
i
m
p
r
o
v
i
n
g
knowledge
k
n
o
w
l
e
d
g
e
of
o
f
the
t
h
e
deterioration
d
e
t
e
r
i
o
r
a
t
i
o
n
state
s
t
a
t
e
and
a
n
d
predictability
p
r
e
d
i
c
t
a
b
i
l
i
t
y
of
o
f
the
t
h
e
POF.
P
O
F
.
It
I
t
has
h
a
s
to
t
o
be
b
e
noted
n
o
t
e
d
that
t
h
a
t
Risk
R
i
s
k
is
i
s
never
n
e
v
e
r
reduced
r
e
d
u
c
e
d
to
t
o
zero
z
e
r
o
through
t
h
r
o
u
g
h
an
a
n
RBI
R
B
I
since
s
i
n
c
e
there
t
h
e
r
e
will
w
i
l
l
always
a
l
w
a
y
s
be
b
e
a
a
residual
r
e
s
i
d
u
a
l
risk
r
i
s
k
due
d
u
e
to
t
o
factors
f
a
c
t
o
r
s
like
l
i
k
e
operational
o
p
e
r
a
t
i
o
n
a
l
errors,
e
r
r
o
r
s
,
process
p
r
o
c
e
s
s
upsets,
u
p
s
e
t
s
,
external
e
x
t
e
r
n
a
l
events
e
v
e
n
t
s
or
o
r
limitations
l
i
m
i
t
a
t
i
o
n
s
of
o
f
inspection
i
n
s
p
e
c
t
i
o
n
methods
m
e
t
h
o
d
s
available.
a
v
a
i
l
a
b
l
e
.
3.1
3
.
1
RBI
R
B
I
AT
A
T
DIFFERENT
D
I
F
F
E
R
E
N
T
PROJECT
P
R
O
J
E
C
T
PHASES
P
H
A
S
E
S
The
T
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
performed:
p
e
r
f
o
r
m
e
d
:
-
During
D
u
r
i
n
g
the
t
h
e
design
d
e
s
i
g
n
phase,
p
h
a
s
e
,
before
b
e
f
o
r
e
the
t
h
e
start-up,
s
t
a
r
t
-
u
p
,
as
a
s
part
p
a
r
t
of
o
f
the
t
h
e
handover
h
a
n
d
o
v
e
r
from
f
r
o
m
Engineering
E
n
g
i
n
e
e
r
i
n
g
to
t
o
Operations;
O
p
e
r
a
t
i
o
n
s
;
-
During
D
u
r
i
n
g
operations,
o
p
e
r
a
t
i
o
n
s
,
if
i
f
not
n
o
t
done
d
o
n
e
during
d
u
r
i
n
g
the
t
h
e
design
d
e
s
i
g
n
phase;
p
h
a
s
e
;
-
In
I
n
operations,
o
p
e
r
a
t
i
o
n
s
,
it
i
t
shall
s
h
a
l
l
be
b
e
kept
k
e
p
t
updated
u
p
d
a
t
e
d
throughout
t
h
r
o
u
g
h
o
u
t
the
t
h
e
service
s
e
r
v
i
c
e
life
l
i
f
e
of
o
f
the
t
h
e
asset.
a
s
s
e
t
.
3.1.1
3
.
1
.
1
Engineering
E
n
g
i
n
e
e
r
i
n
g
Phase
P
h
a
s
e
For
F
o
r
new
n
e
w
assets
a
s
s
e
t
s
in
i
n
the
t
h
e
development
d
e
v
e
l
o
p
m
e
n
t
phase,
p
h
a
s
e
,
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
performed
p
e
r
f
o
r
m
e
d
during
d
u
r
i
n
g
the
t
h
e
Engineering
E
n
g
i
n
e
e
r
i
n
g
phase
p
h
a
s
e
to
t
o
define
d
e
f
i
n
e
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
requirements
r
e
q
u
i
r
e
m
e
n
t
s
and
a
n
d
to
t
o
accommodate
a
c
c
o
m
m
o
d
a
t
e
such
s
u
c
h
requirements
r
e
q
u
i
r
e
m
e
n
t
s
into
i
n
t
o
the
t
h
e
design.
d
e
s
i
g
n
.
Based
B
a
s
e
d
on
o
n
that,
t
h
a
t
,
Engineering
E
n
g
i
n
e
e
r
i
n
g
produces
p
r
o
d
u
c
e
s
the
t
h
e
initial
i
n
i
t
i
a
l
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
plan
p
l
a
n
to
t
o
be
b
e
implemented
i
m
p
l
e
m
e
n
t
e
d
during
d
u
r
i
n
g
the
t
h
e
Operation
O
p
e
r
a
t
i
o
n
phase.
p
h
a
s
e
.
In
I
n
the
t
h
e
Engineering
E
n
g
i
n
e
e
r
i
n
g
phase,
p
h
a
s
e
,
the
t
h
e
P&IDs
P
&
I
D
s
issued
i
s
s
u
e
d
as
a
s
“As-Built”
“
A
s
-
B
u
i
l
t
”
are
a
r
e
not
n
o
t
usually
u
s
u
a
l
l
y
available
a
v
a
i
l
a
b
l
e
and
a
n
d
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
is
i
s
based
b
a
s
e
d
on
o
n
P&IDs
P
&
I
D
s
resulting
r
e
s
u
l
t
i
n
g
from
f
r
o
m
the
t
h
e
HAZOP
H
A
Z
O
P
analysis.
a
n
a
l
y
s
i
s
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
15
1
5
of
o
f
31
3
1
A
A
baseline
b
a
s
e
l
i
n
e
inspection
i
n
s
p
e
c
t
i
o
n
shall
s
h
a
l
l
be
b
e
performed
p
e
r
f
o
r
m
e
d
before
b
e
f
o
r
e
the
t
h
e
start-up
s
t
a
r
t
-
u
p
to
t
o
provide
p
r
o
v
i
d
e
base-line
b
a
s
e
-
l
i
n
e
data
d
a
t
a
for
f
o
r
future
f
u
t
u
r
e
inspections
i
n
s
p
e
c
t
i
o
n
s
and
a
n
d
to
t
o
confirm
c
o
n
f
i
r
m
that
t
h
a
t
the
t
h
e
equipment/structure/system
e
q
u
i
p
m
e
n
t
/
s
t
r
u
c
t
u
r
e
/
s
y
s
t
e
m
is
i
s
free
f
r
e
e
from
f
r
o
m
construction
c
o
n
s
t
r
u
c
t
i
o
n
defects
d
e
f
e
c
t
s
and
a
n
d
compliant
c
o
m
p
l
i
a
n
t
with
w
i
t
h
the
t
h
e
design.
d
e
s
i
g
n
.
3.1.1.1
3
.
1
.
1
.
1
Handover
H
a
n
d
o
v
e
r
from
f
r
o
m
Engineering
E
n
g
i
n
e
e
r
i
n
g
to
t
o
Operations
O
p
e
r
a
t
i
o
n
s
The
T
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
reviewed
r
e
v
i
e
w
e
d
taking
t
a
k
i
n
g
into
i
n
t
o
account
a
c
c
o
u
n
t
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
baseline
b
a
s
e
l
i
n
e
inspection
i
n
s
p
e
c
t
i
o
n
and
a
n
d
also
a
l
s
o
any
a
n
y
new
n
e
w
threats
t
h
r
e
a
t
s
or
o
r
relevant
r
e
l
e
v
a
n
t
aspects
a
s
p
e
c
t
s
detected
d
e
t
e
c
t
e
d
during
d
u
r
i
n
g
installation,
i
n
s
t
a
l
l
a
t
i
o
n
,
pre-commissioning
p
r
e
-
c
o
m
m
i
s
s
i
o
n
i
n
g
and
a
n
d
commissioning.
c
o
m
m
i
s
s
i
o
n
i
n
g
.
The
T
h
e
initial
i
n
i
t
i
a
l
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
plan
p
l
a
n
are
a
r
e
reviewed
r
e
v
i
e
w
e
d
based
b
a
s
e
d
on
o
n
the
t
h
e
RBI
R
B
I
re-assessment,
r
e
-
a
s
s
e
s
s
m
e
n
t
,
respective
r
e
s
p
e
c
t
i
v
e
frequency
f
r
e
q
u
e
n
c
y
and
a
n
d
requirements
r
e
q
u
i
r
e
m
e
n
t
s
are
a
r
e
adjusted
a
d
j
u
s
t
e
d
accordingly.
a
c
c
o
r
d
i
n
g
l
y
.
The
T
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
uploaded
u
p
l
o
a
d
e
d
in
i
n
a
a
dedicated
d
e
d
i
c
a
t
e
d
IDMS
I
D
M
S
to
t
o
be
b
e
handed
h
a
n
d
e
d
over
o
v
e
r
to
t
o
Operations.
O
p
e
r
a
t
i
o
n
s
.
3.1.2
3
.
1
.
2
Operation
O
p
e
r
a
t
i
o
n
Phase
P
h
a
s
e
Inspection,
I
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
activities
a
c
t
i
v
i
t
i
e
s
shall
s
h
a
l
l
be
b
e
executed
e
x
e
c
u
t
e
d
as
a
s
per
p
e
r
plan
p
l
a
n
and
a
n
d
respective
r
e
s
p
e
c
t
i
v
e
results
r
e
s
u
l
t
s
shall
s
h
a
l
l
be
b
e
used
u
s
e
d
to
t
o
update
u
p
d
a
t
e
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
as
a
s
soon
s
o
o
n
as
a
s
possible.
p
o
s
s
i
b
l
e
.
The
T
h
e
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
plan
p
l
a
n
shall
s
h
a
l
l
be
b
e
revisited
r
e
v
i
s
i
t
e
d
following
f
o
l
l
o
w
i
n
g
each
e
a
c
h
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
update
u
p
d
a
t
e
to
t
o
accommodate
a
c
c
o
m
m
o
d
a
t
e
any
a
n
y
change
c
h
a
n
g
e
of
o
f
risk
r
i
s
k
criticality.
c
r
i
t
i
c
a
l
i
t
y
.
For
F
o
r
instance,
i
n
s
t
a
n
c
e
,
the
t
h
e
risk
r
i
s
k
level
l
e
v
e
l
of
o
f
an
a
n
item
i
t
e
m
may
m
a
y
increase
i
n
c
r
e
a
s
e
following
f
o
l
l
o
w
i
n
g
and
a
n
d
external
e
x
t
e
r
n
a
l
event
e
v
e
n
t
as
a
s
a
a
dropped
d
r
o
p
p
e
d
object
o
b
j
e
c
t
or
o
r
because
b
e
c
a
u
s
e
excessive
e
x
c
e
s
s
i
v
e
degradation
d
e
g
r
a
d
a
t
i
o
n
was
w
a
s
detected.
d
e
t
e
c
t
e
d
.
In
I
n
that
t
h
a
t
case,
c
a
s
e
,
besides
b
e
s
i
d
e
s
the
t
h
e
root
r
o
o
t
cause
c
a
u
s
e
investigation,
i
n
v
e
s
t
i
g
a
t
i
o
n
,
it
i
t
shall
s
h
a
l
l
be
b
e
considered
c
o
n
s
i
d
e
r
e
d
to
t
o
apply
a
p
p
l
y
a
a
more
m
o
r
e
rigorous
r
i
g
o
r
o
u
s
inspection
i
n
s
p
e
c
t
i
o
n
interval
i
n
t
e
r
v
a
l
and
a
n
d
to
t
o
introduce
i
n
t
r
o
d
u
c
e
new
n
e
w
monitoring
m
o
n
i
t
o
r
i
n
g
techniques
t
e
c
h
n
i
q
u
e
s
and
a
n
d
tests
t
e
s
t
s
whenever
w
h
e
n
e
v
e
r
applicable.
a
p
p
l
i
c
a
b
l
e
.
In
I
n
the
t
h
e
other
o
t
h
e
r
hand,
h
a
n
d
,
it
i
t
should
s
h
o
u
l
d
be
b
e
considered
c
o
n
s
i
d
e
r
e
d
to
t
o
extend
e
x
t
e
n
d
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
intervals
i
n
t
e
r
v
a
l
s
as
a
s
long
l
o
n
g
as
a
s
more
m
o
r
e
knowledge
k
n
o
w
l
e
d
g
e
of
o
f
an
a
n
item
i
t
e
m
is
i
s
gained
g
a
i
n
e
d
and
a
n
d
no
n
o
degradation
d
e
g
r
a
d
a
t
i
o
n
is
i
s
recorded
r
e
c
o
r
d
e
d
over
o
v
e
r
time.
t
i
m
e
.
Furthermore,
F
u
r
t
h
e
r
m
o
r
e
,
considering
c
o
n
s
i
d
e
r
i
n
g
existing
e
x
i
s
t
i
n
g
facilities
f
a
c
i
l
i
t
i
e
s
already
a
l
r
e
a
d
y
operating,
o
p
e
r
a
t
i
n
g
,
the
t
h
e
RBI
R
B
I
methodology
m
e
t
h
o
d
o
l
o
g
y
can
c
a
n
be
b
e
performed
p
e
r
f
o
r
m
e
d
as
a
s
1
1
a:
a
:
-
First
F
i
r
s
t
implementation
i
m
p
l
e
m
e
n
t
a
t
i
o
n
to
t
o
replace
r
e
p
l
a
c
e
a
a
time-based
t
i
m
e
-
b
a
s
e
d
approach;
a
p
p
r
o
a
c
h
;
-
Evaluation
E
v
a
l
u
a
t
i
o
n
after
a
f
t
e
r
asset
a
s
s
e
t
acquisition;
a
c
q
u
i
s
i
t
i
o
n
;
-
Asset
A
s
s
e
t
re-qualification;
r
e
-
q
u
a
l
i
f
i
c
a
t
i
o
n
;
-
Update
U
p
d
a
t
e
existing
e
x
i
s
t
i
n
g
RBI
R
B
I
to
t
o
perform
p
e
r
f
o
r
m
a
a
more
m
o
r
e
detailed
d
e
t
a
i
l
e
d
analysis
a
n
a
l
y
s
i
s
(quantitative
(
q
u
a
n
t
i
t
a
t
i
v
e
vs
v
s
qualitative
q
u
a
l
i
t
a
t
i
v
e
or
o
r
semi-quantitative);
s
e
m
i
-
q
u
a
n
t
i
t
a
t
i
v
e
)
;
-
Update
U
p
d
a
t
e
existing
e
x
i
s
t
i
n
g
RBI
R
B
I
to
t
o
align
a
l
i
g
n
with
w
i
t
h
relevant
r
e
l
e
v
a
n
t
standards;
s
t
a
n
d
a
r
d
s
;
-
Rerun
R
e
r
u
n
of
o
f
existing
e
x
i
s
t
i
n
g
RBI
R
B
I
after
a
f
t
e
r
new
n
e
w
inspections
i
n
s
p
e
c
t
i
o
n
s
and/or
a
n
d
/
o
r
significant
s
i
g
n
i
f
i
c
a
n
t
process
p
r
o
c
e
s
s
changes.
c
h
a
n
g
e
s
.
1
1
Rational:
R
a
t
i
o
n
a
l
:
There
T
h
e
r
e
could
c
o
u
l
d
be
b
e
the
t
h
e
case
c
a
s
e
of
o
f
a
a
plant
p
l
a
n
t
already
a
l
r
e
a
d
y
operating
o
p
e
r
a
t
i
n
g
for
f
o
r
which
w
h
i
c
h
an
a
n
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
has
h
a
s
been
b
e
e
n
already
a
l
r
e
a
d
y
performed
p
e
r
f
o
r
m
e
d
with
w
i
t
h
a
a
different
d
i
f
f
e
r
e
n
t
approach
a
p
p
r
o
a
c
h
(e.g.
(
e
.
g
.
fully-qualitative)
f
u
l
l
y
-
q
u
a
l
i
t
a
t
i
v
e
)
and/or
a
n
d
/
o
r
based
b
a
s
e
d
on
o
n
an
a
n
old
o
l
d
revision
r
e
v
i
s
i
o
n
of
o
f
the
t
h
e
API
A
P
I
standard.
s
t
a
n
d
a
r
d
.
The
T
h
e
scope
s
c
o
p
e
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
in
i
n
this
t
h
i
s
case
c
a
s
e
is
i
s
to
t
o
update
u
p
d
a
t
e
the
t
h
e
analysis
a
n
a
l
y
s
i
s
using
u
s
i
n
g
a
a
more
m
o
r
e
detailed
d
e
t
a
i
l
e
d
approach
a
p
p
r
o
a
c
h
and/or
a
n
d
/
o
r
to
t
o
align
a
l
i
g
n
with
w
i
t
h
the
t
h
e
new
n
e
w
revision
r
e
v
i
s
i
o
n
of
o
f
the
t
h
e
standard.
s
t
a
n
d
a
r
d
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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e
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i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
16
1
6
of
o
f
31
3
1
3.1.3
3
.
1
.
3
RBI
R
B
I
and
a
n
d
local
l
o
c
a
l
regulation
r
e
g
u
l
a
t
i
o
n
Before
B
e
f
o
r
e
starting
s
t
a
r
t
i
n
g
an
a
n
RBI
R
B
I
analysis,
a
n
a
l
y
s
i
s
,
it
i
t
shall
s
h
a
l
l
be
b
e
verified
v
e
r
i
f
i
e
d
that
t
h
a
t
the
t
h
e
local
l
o
c
a
l
regulation
r
e
g
u
l
a
t
i
o
n
where
w
h
e
r
e
the
t
h
e
plant
p
l
a
n
t
is
i
s
located
l
o
c
a
t
e
d
allows
a
l
l
o
w
s
planning
p
l
a
n
n
i
n
g
inspection
i
n
s
p
e
c
t
i
o
n
using
u
s
i
n
g
an
a
n
approach
a
p
p
r
o
a
c
h
based
b
a
s
e
d
on
o
n
Risk
R
i
s
k
vs
v
s
a
a
time-based
t
i
m
e
-
b
a
s
e
d
or
o
r
calendar-
c
a
l
e
n
d
a
r
-
based
b
a
s
e
d
approach.
a
p
p
r
o
a
c
h
.
It
I
t
shall
s
h
a
l
l
be
b
e
verified
v
e
r
i
f
i
e
d
if
i
f
the
t
h
e
local
l
o
c
a
l
regulation
r
e
g
u
l
a
t
i
o
n
gives
g
i
v
e
s
requirements
r
e
q
u
i
r
e
m
e
n
t
s
for
f
o
r
the
t
h
e
definition
d
e
f
i
n
i
t
i
o
n
of
o
f
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
intervals
i
n
t
e
r
v
a
l
s
in
i
n
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
and
a
n
d
how
h
o
w
these
t
h
e
s
e
relates
r
e
l
a
t
e
s
to
t
o
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
2
2
.
.
3.1.4
3
.
1
.
4
RBI
R
B
I
and
a
n
d
Asset
A
s
s
e
t
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
RBI
R
B
I
is
i
s
one
o
n
e
of
o
f
the
t
h
e
Tasks
T
a
s
k
s
of
o
f
Asset
A
s
s
e
t
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
and
a
n
d
it
i
t
contributes
c
o
n
t
r
i
b
u
t
e
s
to
t
o
the
t
h
e
prevention
p
r
e
v
e
n
t
i
o
n
of
o
f
major
m
a
j
o
r
accidents
a
c
c
i
d
e
n
t
s
and
a
n
d
to
t
o
maintain
m
a
i
n
t
a
i
n
the
t
h
e
safe
s
a
f
e
operability
o
p
e
r
a
b
i
l
i
t
y
of
o
f
production
p
r
o
d
u
c
t
i
o
n
facilities.
f
a
c
i
l
i
t
i
e
s
.
The
T
h
e
Integrity
I
n
t
e
g
r
i
t
y
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
(BP.SVI.ENG.004)
(
B
P
.
S
V
I
.
E
N
G
.
0
0
4
)
has
h
a
s
been
b
e
e
n
established
e
s
t
a
b
l
i
s
h
e
d
to
t
o
adequately
a
d
e
q
u
a
t
e
l
y
handle
h
a
n
d
l
e
the
t
h
e
Integrity
I
n
t
e
g
r
i
t
y
Threats
T
h
r
e
a
t
s
in
i
n
the
t
h
e
engineering
e
n
g
i
n
e
e
r
i
n
g
phase
p
h
a
s
e
(OPDS
(
O
P
D
S
-
-
Opportunity
O
p
p
o
r
t
u
n
i
t
y
and
a
n
d
Project
P
r
o
j
e
c
t
Development
D
e
v
e
l
o
p
m
e
n
t
System)
S
y
s
t
e
m
)
and
a
n
d
during
d
u
r
i
n
g
production
p
r
o
d
u
c
t
i
o
n
(OPOS
(
O
P
O
S
-
-
Opportunity
O
p
p
o
r
t
u
n
i
t
y
and
a
n
d
Production
P
r
o
d
u
c
t
i
o
n
Operation
O
p
e
r
a
t
i
o
n
System)
S
y
s
t
e
m
)
through
t
h
r
o
u
g
h
several
s
e
v
e
r
a
l
well-defined
w
e
l
l
-
d
e
f
i
n
e
d
and
a
n
d
organized
o
r
g
a
n
i
z
e
d
activities,
a
c
t
i
v
i
t
i
e
s
,
or
o
r
TASKS.
T
A
S
K
S
.
3.1.5
3
.
1
.
5
Benefits
B
e
n
e
f
i
t
s
of
o
f
RBI
R
B
I
RBI
R
B
I
is
i
s
intended
i
n
t
e
n
d
e
d
to
t
o
provide
p
r
o
v
i
d
e
beneficial
b
e
n
e
f
i
c
i
a
l
effects
e
f
f
e
c
t
s
that
t
h
a
t
may
m
a
y
lead
l
e
a
d
to:
t
o
:
−
−
Increased
I
n
c
r
e
a
s
e
d
operability
o
p
e
r
a
b
i
l
i
t
y
through
t
h
r
o
u
g
h
an
a
n
increase
i
n
c
r
e
a
s
e
in
i
n
asset
a
s
s
e
t
availability
a
v
a
i
l
a
b
i
l
i
t
y
and
a
n
d
reduction
r
e
d
u
c
t
i
o
n
of
o
f
shutdowns;
s
h
u
t
d
o
w
n
s
;
−
−
Reduced
R
e
d
u
c
e
d
risks
r
i
s
k
s
of
o
f
loss
l
o
s
s
of
o
f
containment
c
o
n
t
a
i
n
m
e
n
t
and
a
n
d
associated
a
s
s
o
c
i
a
t
e
d
consequences,
c
o
n
s
e
q
u
e
n
c
e
s
,
including
i
n
c
l
u
d
i
n
g
safety
s
a
f
e
t
y
and
a
n
d
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
impact;
i
m
p
a
c
t
;
−
−
Inspection
I
n
s
p
e
c
t
i
o
n
effort
e
f
f
o
r
t
optimization,
o
p
t
i
m
i
z
a
t
i
o
n
,
through
t
h
r
o
u
g
h
optimization
o
p
t
i
m
i
z
a
t
i
o
n
of
o
f
the
t
h
e
number
n
u
m
b
e
r
of
o
f
items
i
t
e
m
s
and
a
n
d
positions
p
o
s
i
t
i
o
n
s
to
t
o
be
b
e
monitored
m
o
n
i
t
o
r
e
d
and
a
n
d
frequency
f
r
e
q
u
e
n
c
y
of
o
f
inspection;
i
n
s
p
e
c
t
i
o
n
;
−
−
Monitoring
M
o
n
i
t
o
r
i
n
g
optimization,
o
p
t
i
m
i
z
a
t
i
o
n
,
through
t
h
r
o
u
g
h
the
t
h
e
identification
i
d
e
n
t
i
f
i
c
a
t
i
o
n
of
o
f
most
m
o
s
t
critical
c
r
i
t
i
c
a
l
positions
p
o
s
i
t
i
o
n
s
and
a
n
d
parameters,
p
a
r
a
m
e
t
e
r
s
,
to
t
o
be
b
e
monitored.
m
o
n
i
t
o
r
e
d
.
The
T
h
e
reasons
r
e
a
s
o
n
s
for
f
o
r
selecting
s
e
l
e
c
t
i
n
g
a
a
risk-based
r
i
s
k
-
b
a
s
e
d
approach
a
p
p
r
o
a
c
h
to
t
o
inspection
i
n
s
p
e
c
t
i
o
n
planning
p
l
a
n
n
i
n
g
are:
a
r
e
:
−
−
To
T
o
focus
f
o
c
u
s
inspection
i
n
s
p
e
c
t
i
o
n
efforts
e
f
f
o
r
t
s
on
o
n
items
i
t
e
m
s
where
w
h
e
r
e
the
t
h
e
safety,
s
a
f
e
t
y
,
economic
e
c
o
n
o
m
i
c
or
o
r
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
risks
r
i
s
k
s
are
a
r
e
identified
i
d
e
n
t
i
f
i
e
d
as
a
s
being
b
e
i
n
g
high,
h
i
g
h
,
whilst
w
h
i
l
s
t
similarly
s
i
m
i
l
a
r
l
y
reducing
r
e
d
u
c
i
n
g
the
t
h
e
effort
e
f
f
o
r
t
applied
a
p
p
l
i
e
d
to
t
o
low-risk
l
o
w
-
r
i
s
k
systems;
s
y
s
t
e
m
s
;
−
−
To
T
o
ensure
e
n
s
u
r
e
that
t
h
a
t
the
t
h
e
overall
o
v
e
r
a
l
l
installation
i
n
s
t
a
l
l
a
t
i
o
n
risk
r
i
s
k
does
d
o
e
s
not
n
o
t
exceed
e
x
c
e
e
d
the
t
h
e
risk
r
i
s
k
acceptance
a
c
c
e
p
t
a
n
c
e
limits,
l
i
m
i
t
s
,
set
s
e
t
by
b
y
the
t
h
e
operator;
o
p
e
r
a
t
o
r
;
−
−
To
T
o
identify
i
d
e
n
t
i
f
y
the
t
h
e
appropriate
a
p
p
r
o
p
r
i
a
t
e
inspection
i
n
s
p
e
c
t
i
o
n
or
o
r
monitoring
m
o
n
i
t
o
r
i
n
g
methods
m
e
t
h
o
d
s
according
a
c
c
o
r
d
i
n
g
to
t
o
the
t
h
e
identified
i
d
e
n
t
i
f
i
e
d
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms.
m
e
c
h
a
n
i
s
m
s
.
It
I
t
is
i
s
important
i
m
p
o
r
t
a
n
t
to
t
o
highlight
h
i
g
h
l
i
g
h
t
that
t
h
a
t
the
t
h
e
RBI
R
B
I
approach
a
p
p
r
o
a
c
h
can
c
a
n
lead
l
e
a
d
to
t
o
a
a
reduction
r
e
d
u
c
t
i
o
n
of
o
f
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
costs,
c
o
s
t
s
,
however,
h
o
w
e
v
e
r
,
cost
c
o
s
t
reduction
r
e
d
u
c
t
i
o
n
is
i
s
neither
n
e
i
t
h
e
r
the
t
h
e
target
t
a
r
g
e
t
nor
n
o
r
the
t
h
e
motivation
m
o
t
i
v
a
t
i
o
n
of
o
f
an
a
n
RBI.
R
B
I
.
2
2
Rational:
R
a
t
i
o
n
a
l
:
In
I
n
some
s
o
m
e
countries
c
o
u
n
t
r
i
e
s
the
t
h
e
local
l
o
c
a
l
regulation
r
e
g
u
l
a
t
i
o
n
foresees
f
o
r
e
s
e
e
s
that
t
h
a
t
at
a
t
fixed
f
i
x
e
d
interval
i
n
t
e
r
v
a
l
there
t
h
e
r
e
must
m
u
s
t
be
b
e
an
a
n
internal
i
n
t
e
r
n
a
l
inspection
i
n
s
p
e
c
t
i
o
n
irrespective
i
r
r
e
s
p
e
c
t
i
v
e
of
o
f
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
while
w
h
i
l
e
in
i
n
other
o
t
h
e
r
countries
c
o
u
n
t
r
i
e
s
is
i
s
possible
p
o
s
s
i
b
l
e
to
t
o
delay
d
e
l
a
y
the
t
h
e
internal
i
n
t
e
r
n
a
l
inspections
i
n
s
p
e
c
t
i
o
n
s
if
i
f
supported
s
u
p
p
o
r
t
e
d
by
b
y
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
an
a
n
RBI.
R
B
I
.
In
I
n
some
s
o
m
e
countries
c
o
u
n
t
r
i
e
s
there
t
h
e
r
e
are
a
r
e
no
n
o
local
l
o
c
a
l
regulations
r
e
g
u
l
a
t
i
o
n
s
that
t
h
a
t
give
g
i
v
e
recommendations
r
e
c
o
m
m
e
n
d
a
t
i
o
n
s
or
o
r
instruction
i
n
s
t
r
u
c
t
i
o
n
on
o
n
the
t
h
e
timing
t
i
m
i
n
g
and
a
n
d
extent
e
x
t
e
n
t
of
o
f
the
t
h
e
inspections
i
n
s
p
e
c
t
i
o
n
s
and
a
n
d
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
or
o
r
other
o
t
h
e
r
international
i
n
t
e
r
n
a
t
i
o
n
a
l
recognized
r
e
c
o
g
n
i
z
e
d
standards.
s
t
a
n
d
a
r
d
s
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
17
1
7
of
o
f
31
3
1
4
4
RBI
R
B
I
PROCESS
P
R
O
C
E
S
S
RBI
R
B
I
is
i
s
a
a
process
p
r
o
c
e
s
s
consisting
c
o
n
s
i
s
t
i
n
g
of
o
f
independent
i
n
d
e
p
e
n
d
e
n
t
and
a
n
d
correlated
c
o
r
r
e
l
a
t
e
d
steps
s
t
e
p
s
or
o
r
tasks:
t
a
s
k
s
:
Figure
F
i
g
u
r
e
1
1
–
–
Example
E
x
a
m
p
l
e
of
o
f
RBI
R
B
I
process
p
r
o
c
e
s
s
flowchart
f
l
o
w
c
h
a
r
t
consisting
c
o
n
s
i
s
t
i
n
g
of
o
f
both
b
o
t
h
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
and
a
n
d
qualitative
q
u
a
l
i
t
a
t
i
v
e
screening
s
c
r
e
e
n
i
n
g
approach.
a
p
p
r
o
a
c
h
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
18
1
8
of
o
f
31
3
1
5
5
RBI
R
B
I
OBJECTIVES
O
B
J
E
C
T
I
V
E
S
AND
A
N
D
EXTENT
E
X
T
E
N
T
The
T
h
e
first
f
i
r
s
t
step
s
t
e
p
is
i
s
the
t
h
e
definition
d
e
f
i
n
i
t
i
o
n
of
o
f
objectives
o
b
j
e
c
t
i
v
e
s
and
a
n
d
extent.
e
x
t
e
n
t
.
5.1
5
.
1
RBI
R
B
I
OBJECTIVES
O
B
J
E
C
T
I
V
E
S
Definition
D
e
f
i
n
i
t
i
o
n
of
o
f
the
t
h
e
objectives
o
b
j
e
c
t
i
v
e
s
of
o
f
an
a
n
RBI
R
B
I
represents
r
e
p
r
e
s
e
n
t
s
the
t
h
e
first
f
i
r
s
t
step
s
t
e
p
of
o
f
the
t
h
e
RBI
R
B
I
process.
p
r
o
c
e
s
s
.
RBI
R
B
I
objectives
o
b
j
e
c
t
i
v
e
s
shall
s
h
a
l
l
be
b
e
identified
i
d
e
n
t
i
f
i
e
d
and
a
n
d
agreed
a
g
r
e
e
d
amongst
a
m
o
n
g
s
t
the
t
h
e
Parties
P
a
r
t
i
e
s
involved
i
n
v
o
l
v
e
d
and
a
n
d
Risk-based
R
i
s
k
-
b
a
s
e
d
inspection
i
n
s
p
e
c
t
i
o
n
shall
s
h
a
l
l
address
a
d
d
r
e
s
s
one
o
n
e
or
o
r
more
m
o
r
e
of
o
f
the
t
h
e
following
f
o
l
l
o
w
i
n
g
objectives:
o
b
j
e
c
t
i
v
e
s
:
-
-
meeting
m
e
e
t
i
n
g
the
t
h
e
requirements
r
e
q
u
i
r
e
m
e
n
t
s
of
o
f
health,
h
e
a
l
t
h
,
safety
s
a
f
e
t
y
and
a
n
d
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
regulations;
r
e
g
u
l
a
t
i
o
n
s
;
-
-
improving
i
m
p
r
o
v
i
n
g
the
t
h
e
safety
s
a
f
e
t
y
and
a
n
d
reliability
r
e
l
i
a
b
i
l
i
t
y
of
o
f
the
t
h
e
plant;
p
l
a
n
t
;
-
-
optimizing
o
p
t
i
m
i
z
i
n
g
inspection
i
n
s
p
e
c
t
i
o
n
and
a
n
d
maintenance
m
a
i
n
t
e
n
a
n
c
e
(possibly
(
p
o
s
s
i
b
l
y
also
a
l
s
o
production
p
r
o
d
u
c
t
i
o
n
and
a
n
d
quality)
q
u
a
l
i
t
y
)
activities;
a
c
t
i
v
i
t
i
e
s
;
-
-
extending
e
x
t
e
n
d
i
n
g
the
t
h
e
useful
u
s
e
f
u
l
service
s
e
r
v
i
c
e
life
l
i
f
e
of
o
f
the
t
h
e
plant,
p
l
a
n
t
,
e.g.
e
.
g
.
beyond
b
e
y
o
n
d
its
i
t
s
design
d
e
s
i
g
n
life,
l
i
f
e
,
and
a
n
d
implementing
i
m
p
l
e
m
e
n
t
i
n
g
an
a
n
appropriate
a
p
p
r
o
p
r
i
a
t
e
end
e
n
d
of
o
f
life
l
i
f
e
strategy.
s
t
r
a
t
e
g
y
.
The
T
h
e
RBI
R
B
I
objective
o
b
j
e
c
t
i
v
e
shall
s
h
a
l
l
take
t
a
k
e
into
i
n
t
o
account:
a
c
c
o
u
n
t
:
−
−
the
t
h
e
phase
p
h
a
s
e
of
o
f
the
t
h
e
asset
a
s
s
e
t
within
w
i
t
h
i
n
the
t
h
e
project
p
r
o
j
e
c
t
life:
l
i
f
e
:
-
-
design;
d
e
s
i
g
n
;
-
-
installation,
i
n
s
t
a
l
l
a
t
i
o
n
,
pre-commissioning
p
r
e
-
c
o
m
m
i
s
s
i
o
n
i
n
g
and
a
n
d
commissioning;
c
o
m
m
i
s
s
i
o
n
i
n
g
;
-
-
operation;
o
p
e
r
a
t
i
o
n
;
-
-
re-qualification;
r
e
-
q
u
a
l
i
f
i
c
a
t
i
o
n
;
-
-
new
n
e
w
asset
a
s
s
e
t
operated
o
p
e
r
a
t
e
d
by
b
y
Eni;
E
n
i
;
−
−
requirements
r
e
q
u
i
r
e
m
e
n
t
s
from
f
r
o
m
the
t
h
e
legislation
l
e
g
i
s
l
a
t
i
o
n
of
o
f
the
t
h
e
country
c
o
u
n
t
r
y
where
w
h
e
r
e
the
t
h
e
asset
a
s
s
e
t
is
i
s
located;
l
o
c
a
t
e
d
;
−
−
time
t
i
m
e
available
a
v
a
i
l
a
b
l
e
to
t
o
perform
p
e
r
f
o
r
m
the
t
h
e
RBI
R
B
I
study;
s
t
u
d
y
;
−
−
timing
t
i
m
i
n
g
for
f
o
r
the
t
h
e
RBI:
R
B
I
:
-
-
after
a
f
t
e
r
inspection
i
n
s
p
e
c
t
i
o
n
(routine
(
r
o
u
t
i
n
e
periodical
p
e
r
i
o
d
i
c
a
l
or
o
r
extraordinary);
e
x
t
r
a
o
r
d
i
n
a
r
y
)
;
-
-
following
f
o
l
l
o
w
i
n
g
a
a
failure;
f
a
i
l
u
r
e
;
-
-
following
f
o
l
l
o
w
i
n
g
a
a
change
c
h
a
n
g
e
in
i
n
operating
o
p
e
r
a
t
i
n
g
or
o
r
process
p
r
o
c
e
s
s
conditions
c
o
n
d
i
t
i
o
n
s
and/or
a
n
d
/
o
r
fluid
f
l
u
i
d
composition;
c
o
m
p
o
s
i
t
i
o
n
;
-
-
significant
s
i
g
n
i
f
i
c
a
n
t
environmental
e
n
v
i
r
o
n
m
e
n
t
a
l
events;
e
v
e
n
t
s
;
−
−
cost-related
c
o
s
t
-
r
e
l
a
t
e
d
aspects:
a
s
p
e
c
t
s
:
e.g.
e
.
g
.
budget
b
u
d
g
e
t
available
a
v
a
i
l
a
b
l
e
to
t
o
perform
p
e
r
f
o
r
m
the
t
h
e
RBI
R
B
I
study,
s
t
u
d
y
,
budget
b
u
d
g
e
t
for
f
o
r
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
activities;
a
c
t
i
v
i
t
i
e
s
;
−
−
technologies
t
e
c
h
n
o
l
o
g
i
e
s
available
a
v
a
i
l
a
b
l
e
for
f
o
r
the
t
h
e
inspections.
i
n
s
p
e
c
t
i
o
n
s
.
5.1.1
5
.
1
.
1
The
T
h
e
RBI
R
B
I
Team
T
e
a
m
The
T
h
e
RBI
R
B
I
is
i
s
a
a
complex
c
o
m
p
l
e
x
process
p
r
o
c
e
s
s
which
w
h
i
c
h
involves
i
n
v
o
l
v
e
s
several,
s
e
v
e
r
a
l
,
including:
i
n
c
l
u
d
i
n
g
:
−
−
specialists
s
p
e
c
i
a
l
i
s
t
s
covering
c
o
v
e
r
i
n
g
the
t
h
e
various
v
a
r
i
o
u
s
type
t
y
p
e
of
o
f
assets
a
s
s
e
t
s
(equipment,
(
e
q
u
i
p
m
e
n
t
,
structures
s
t
r
u
c
t
u
r
e
s
and
a
n
d
systems)
s
y
s
t
e
m
s
)
being
b
e
i
n
g
assessed;
a
s
s
e
s
s
e
d
;
−
−
specialists
s
p
e
c
i
a
l
i
s
t
s
with
w
i
t
h
corrosion
c
o
r
r
o
s
i
o
n
and
a
n
d
materials
m
a
t
e
r
i
a
l
s
background;
b
a
c
k
g
r
o
u
n
d
;
−
−
Inspection
I
n
s
p
e
c
t
i
o
n
and
a
n
d
monitoring
m
o
n
i
t
o
r
i
n
g
techniques
t
e
c
h
n
i
q
u
e
s
specialist;
s
p
e
c
i
a
l
i
s
t
;
−
−
Engineering
E
n
g
i
n
e
e
r
i
n
g
manager
m
a
n
a
g
e
r
or
o
r
representative;
r
e
p
r
e
s
e
n
t
a
t
i
v
e
;
−
−
HSE
H
S
E
manager
m
a
n
a
g
e
r
or
o
r
representative;
r
e
p
r
e
s
e
n
t
a
t
i
v
e
;
−
−
Asset
A
s
s
e
t
Integrity
I
n
t
e
g
r
i
t
y
manager
m
a
n
a
g
e
r
or
o
r
representative;
r
e
p
r
e
s
e
n
t
a
t
i
v
e
;
−
−
Maintenance
M
a
i
n
t
e
n
a
n
c
e
manager
m
a
n
a
g
e
r
or
o
r
representative;
r
e
p
r
e
s
e
n
t
a
t
i
v
e
;
−
−
Operation
O
p
e
r
a
t
i
o
n
manager
m
a
n
a
g
e
r
or
o
r
representative;
r
e
p
r
e
s
e
n
t
a
t
i
v
e
;
−
−
Contractors
C
o
n
t
r
a
c
t
o
r
s
when
w
h
e
n
done
d
o
n
e
during
d
u
r
i
n
g
the
t
h
e
design
d
e
s
i
g
n
phase;
p
h
a
s
e
;
−
−
Independent
I
n
d
e
p
e
n
d
e
n
t
Third
T
h
i
r
d
Parties.
P
a
r
t
i
e
s
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
19
1
9
of
o
f
31
3
1
5.1.2
5
.
1
.
2
RBI
R
B
I
Deliverables
D
e
l
i
v
e
r
a
b
l
e
s
The
T
h
e
main
m
a
i
n
typical
t
y
p
i
c
a
l
deliverables
d
e
l
i
v
e
r
a
b
l
e
s
of
o
f
an
a
n
RBI
R
B
I
study
s
t
u
d
y
are:
a
r
e
:
-
RBI
R
B
I
Report;
R
e
p
o
r
t
;
-
Inspection
I
n
s
p
e
c
t
i
o
n
Plan
P
l
a
n
and/or
a
n
d
/
o
r
Inspection,
I
n
s
p
e
c
t
i
o
n
,
Monitoring
M
o
n
i
t
o
r
i
n
g
and
a
n
d
Test
T
e
s
t
Plan
P
l
a
n
as
a
s
applicable
a
p
p
l
i
c
a
b
l
e
to
t
o
the
t
h
e
asset;
a
s
s
e
t
;
-
WSE
W
S
E
(Written
(
W
r
i
t
t
e
n
Scheme
S
c
h
e
m
e
of
o
f
Examination)
E
x
a
m
i
n
a
t
i
o
n
)
identified
i
d
e
n
t
i
f
i
e
d
on
o
n
construction/mechanical
c
o
n
s
t
r
u
c
t
i
o
n
/
m
e
c
h
a
n
i
c
a
l
drawings
d
r
a
w
i
n
g
s
for
f
o
r
equipment/structures
e
q
u
i
p
m
e
n
t
/
s
t
r
u
c
t
u
r
e
s
and
a
n
d
isometrics
i
s
o
m
e
t
r
i
c
s
for
f
o
r
piping;
p
i
p
i
n
g
;
-
(Plant
(
P
l
a
n
t
Facilities)
F
a
c
i
l
i
t
i
e
s
)
Corrosion
C
o
r
r
o
s
i
o
n
Loops
L
o
o
p
s
identified
i
d
e
n
t
i
f
i
e
d
on
o
n
PFDs
P
F
D
s
and
a
n
d
P&IDs;
P
&
I
D
s
;
-
(Plant
(
P
l
a
n
t
Facilities)
F
a
c
i
l
i
t
i
e
s
)
Corrosion
C
o
r
r
o
s
i
o
n
Loops
L
o
o
p
s
Masters:
M
a
s
t
e
r
s
:
List
L
i
s
t
of
o
f
all
a
l
l
the
t
h
e
corrosion
c
o
r
r
o
s
i
o
n
loops
l
o
o
p
s
with
w
i
t
h
identification
i
d
e
n
t
i
f
i
c
a
t
i
o
n
of
o
f
the
t
h
e
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
and
a
n
d
main
m
a
i
n
data
d
a
t
a
(e.g.
(
e
.
g
.
operating
o
p
e
r
a
t
i
n
g
conditions,
c
o
n
d
i
t
i
o
n
s
,
materials
m
a
t
e
r
i
a
l
s
of
o
f
construction,
c
o
n
s
t
r
u
c
t
i
o
n
,
etc.);
e
t
c
.
)
;
-
Eventual
E
v
e
n
t
u
a
l
improvement
i
m
p
r
o
v
e
m
e
n
t
activities
a
c
t
i
v
i
t
i
e
s
documentation
d
o
c
u
m
e
n
t
a
t
i
o
n
suggested
s
u
g
g
e
s
t
e
d
by
b
y
the
t
h
e
study.
s
t
u
d
y
.
When
W
h
e
n
the
t
h
e
RBI
R
B
I
study
s
t
u
d
y
is
i
s
completed
c
o
m
p
l
e
t
e
d
all
a
l
l
the
t
h
e
main
m
a
i
n
deliverables
d
e
l
i
v
e
r
a
b
l
e
s
shall
s
h
a
l
l
be
b
e
uploaded
u
p
l
o
a
d
e
d
in
i
n
the
t
h
e
IDMS.
I
D
M
S
.
5.2
5
.
2
RBI
R
B
I
EXTENT
E
X
T
E
N
T
The
T
h
e
asset
a
s
s
e
t
object
o
b
j
e
c
t
of
o
f
the
t
h
e
RBI
R
B
I
process
p
r
o
c
e
s
s
shall
s
h
a
l
l
be
b
e
defined,
d
e
f
i
n
e
d
,
and
a
n
d
battery
b
a
t
t
e
r
y
limits
l
i
m
i
t
s
established.
e
s
t
a
b
l
i
s
h
e
d
.
Once
O
n
c
e
identified
i
d
e
n
t
i
f
i
e
d
the
t
h
e
asset
a
s
s
e
t
and
a
n
d
the
t
h
e
battery
b
a
t
t
e
r
y
limits,
l
i
m
i
t
s
,
an
a
n
Asset
A
s
s
e
t
Register
R
e
g
i
s
t
e
r
shall
s
h
a
l
l
be
b
e
created
c
r
e
a
t
e
d
to
t
o
list
l
i
s
t
all
a
l
l
items
i
t
e
m
s
to
t
o
be
b
e
included
i
n
c
l
u
d
e
d
in
i
n
the
t
h
e
RBI
R
B
I
analysis.
a
n
a
l
y
s
i
s
.
Grouping
G
r
o
u
p
i
n
g
of
o
f
items
i
t
e
m
s
is
i
s
recommended
r
e
c
o
m
m
e
n
d
e
d
to
t
o
simplify
s
i
m
p
l
i
f
y
the
t
h
e
analysis;
a
n
a
l
y
s
i
s
;
the
t
h
e
main
m
a
i
n
criteria
c
r
i
t
e
r
i
a
used
u
s
e
d
to
t
o
group
g
r
o
u
p
items
i
t
e
m
s
are
a
r
e
the
t
h
e
potential
p
o
t
e
n
t
i
a
l
damage
d
a
m
a
g
e
mechanisms,
m
e
c
h
a
n
i
s
m
s
,
which
w
h
i
c
h
are
a
r
e
based
b
a
s
e
d
on:
o
n
:
-
Material;
M
a
t
e
r
i
a
l
;
-
Sizes/thickness;
S
i
z
e
s
/
t
h
i
c
k
n
e
s
s
;
-
Exposure
E
x
p
o
s
u
r
e
conditions
c
o
n
d
i
t
i
o
n
s
(present
(
p
r
e
s
e
n
t
and
a
n
d
past);
p
a
s
t
)
;
-
Operating
O
p
e
r
a
t
i
n
g
parameters;
p
a
r
a
m
e
t
e
r
s
;
-
Fluid
F
l
u
i
d
composition;
c
o
m
p
o
s
i
t
i
o
n
;
-
Presence
P
r
e
s
e
n
c
e
of
o
f
coating
c
o
a
t
i
n
g
and
a
n
d
insulation;
i
n
s
u
l
a
t
i
o
n
;
-
Environment:
E
n
v
i
r
o
n
m
e
n
t
:
-
-
Buried;
B
u
r
i
e
d
;
-
-
Underwater;
U
n
d
e
r
w
a
t
e
r
;
-
-
Atmospheric.
A
t
m
o
s
p
h
e
r
i
c
.
5.3
5
.
3
RBI
R
B
I
APPROACH
A
P
P
R
O
A
C
H
An
A
n
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
can
c
a
n
be
b
e
performed
p
e
r
f
o
r
m
e
d
with
w
i
t
h
different
d
i
f
f
e
r
e
n
t
level
l
e
v
e
l
of
o
f
details:
d
e
t
a
i
l
s
:
-
-
Qualitative;
Q
u
a
l
i
t
a
t
i
v
e
;
-
-
Quantitative;
Q
u
a
n
t
i
t
a
t
i
v
e
;
-
-
Semi-Quantitative.
S
e
m
i
-
Q
u
a
n
t
i
t
a
t
i
v
e
.
The
T
h
e
main
m
a
i
n
differences
d
i
f
f
e
r
e
n
c
e
s
between
b
e
t
w
e
e
n
the
t
h
e
approaches
a
p
p
r
o
a
c
h
e
s
are
a
r
e
in
i
n
the
t
h
e
level
l
e
v
e
l
of
o
f
details
d
e
t
a
i
l
s
and
a
n
d
data
d
a
t
a
necessary
n
e
c
e
s
s
a
r
y
to
t
o
perform
p
e
r
f
o
r
m
the
t
h
e
study.
s
t
u
d
y
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
20
2
0
of
o
f
31
3
1
Figure
F
i
g
u
r
e
2
2
-
-
Continuum
C
o
n
t
i
n
u
u
m
of
o
f
RBI
R
B
I
Approaches
A
p
p
r
o
a
c
h
e
s
(Ref.
(
R
e
f
.
API
A
P
I
580)
5
8
0
)
Qualitative:
Q
u
a
l
i
t
a
t
i
v
e
:
A
A
risk
r
i
s
k
analysis
a
n
a
l
y
s
i
s
using
u
s
i
n
g
primarily
p
r
i
m
a
r
i
l
y
subject
s
u
b
j
e
c
t
matter
m
a
t
t
e
r
expertise
e
x
p
e
r
t
i
s
e
and
a
n
d
experience
e
x
p
e
r
i
e
n
c
e
to
t
o
assign
a
s
s
i
g
n
broad
b
r
o
a
d
categorizations
c
a
t
e
g
o
r
i
z
a
t
i
o
n
s
for
f
o
r
POF
P
O
F
and
a
n
d
COF.
C
O
F
.
This
T
h
i
s
approach
a
p
p
r
o
a
c
h
requires
r
e
q
u
i
r
e
s
data
d
a
t
a
inputs
i
n
p
u
t
s
based
b
a
s
e
d
on
o
n
descriptive
d
e
s
c
r
i
p
t
i
v
e
information
i
n
f
o
r
m
a
t
i
o
n
using
u
s
i
n
g
engineering
e
n
g
i
n
e
e
r
i
n
g
judgment,
j
u
d
g
m
e
n
t
,
subject
s
u
b
j
e
c
t
matter
m
a
t
t
e
r
expertise,
e
x
p
e
r
t
i
s
e
,
and
a
n
d
experience
e
x
p
e
r
i
e
n
c
e
as
a
s
the
t
h
e
basis
b
a
s
i
s
for
f
o
r
the
t
h
e
analysis
a
n
a
l
y
s
i
s
of
o
f
probability
p
r
o
b
a
b
i
l
i
t
y
and
a
n
d
COF.
C
O
F
.
Inputs
I
n
p
u
t
s
are
a
r
e
often
o
f
t
e
n
given
g
i
v
e
n
in
i
n
data
d
a
t
a
ranges
r
a
n
g
e
s
instead
i
n
s
t
e
a
d
of
o
f
discrete
d
i
s
c
r
e
t
e
values.
v
a
l
u
e
s
.
Results
R
e
s
u
l
t
s
are
a
r
e
typically
t
y
p
i
c
a
l
l
y
given
g
i
v
e
n
in
i
n
qualitative
q
u
a
l
i
t
a
t
i
v
e
terms
t
e
r
m
s
such
s
u
c
h
as
a
s
high,
h
i
g
h
,
medium,
m
e
d
i
u
m
,
and
a
n
d
low,
l
o
w
,
although
a
l
t
h
o
u
g
h
numerical
n
u
m
e
r
i
c
a
l
values
v
a
l
u
e
s
may
m
a
y
also
a
l
s
o
be
b
e
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
these
t
h
e
s
e
categories.
c
a
t
e
g
o
r
i
e
s
.
Pros:
P
r
o
s
:
Cons:
C
o
n
s
:
-
Enables
E
n
a
b
l
e
s
completion
c
o
m
p
l
e
t
i
o
n
of
o
f
a
a
risk
r
i
s
k
assessment
a
s
s
e
s
s
m
e
n
t
in
i
n
the
t
h
e
absence
a
b
s
e
n
c
e
of
o
f
detailed
d
e
t
a
i
l
e
d
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
data;
d
a
t
a
;
-
Effective
E
f
f
e
c
t
i
v
e
in
i
n
screening
s
c
r
e
e
n
i
n
g
out
o
u
t
units
u
n
i
t
s
and
a
n
d
equipment
e
q
u
i
p
m
e
n
t
with
w
i
t
h
low
l
o
w
risk;
r
i
s
k
;
-
Requires
R
e
q
u
i
r
e
s
less
l
e
s
s
time
t
i
m
e
and
a
n
d
efforts;
e
f
f
o
r
t
s
;
-
The
T
h
e
qualitative
q
u
a
l
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
can
c
a
n
be
b
e
used
u
s
e
d
as
a
s
a
a
screening
s
c
r
e
e
n
i
n
g
methodology
m
e
t
h
o
d
o
l
o
g
y
in
i
n
case
c
a
s
e
the
t
h
e
study
s
t
u
d
y
covers
c
o
v
e
r
s
a
a
lot
l
o
t
of
o
f
items
i
t
e
m
s
to
t
o
be
b
e
analyzed.
a
n
a
l
y
z
e
d
.
-
The
T
h
e
accuracy
a
c
c
u
r
a
c
y
of
o
f
results
r
e
s
u
l
t
s
from
f
r
o
m
a
a
qualitative
q
u
a
l
i
t
a
t
i
v
e
analysis
a
n
a
l
y
s
i
s
is
i
s
dependent
d
e
p
e
n
d
e
n
t
on
o
n
the
t
h
e
background
b
a
c
k
g
r
o
u
n
d
and
a
n
d
expertise
e
x
p
e
r
t
i
s
e
of
o
f
the
t
h
e
risk
r
i
s
k
analysts
a
n
a
l
y
s
t
s
and
a
n
d
team
t
e
a
m
members;
m
e
m
b
e
r
s
;
-
Less
L
e
s
s
precise
p
r
e
c
i
s
e
than
t
h
a
n
more
m
o
r
e
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
approaches;
a
p
p
r
o
a
c
h
e
s
;
-
Qualitative
Q
u
a
l
i
t
a
t
i
v
e
assessments
a
s
s
e
s
s
m
e
n
t
s
generally
g
e
n
e
r
a
l
l
y
are
a
r
e
not
n
o
t
as
a
s
repeatable
r
e
p
e
a
t
a
b
l
e
as
a
s
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
assessments;
a
s
s
e
s
s
m
e
n
t
s
;
-
Generally,
G
e
n
e
r
a
l
l
y
,
more
m
o
r
e
conservative
c
o
n
s
e
r
v
a
t
i
v
e
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
the
t
h
e
more
m
o
r
e
qualitative
q
u
a
l
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
should
s
h
o
u
l
d
be
b
e
considered
c
o
n
s
i
d
e
r
e
d
when
w
h
e
n
making
m
a
k
i
n
g
final
f
i
n
a
l
mitigation
m
i
t
i
g
a
t
i
o
n
and
a
n
d
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
decisions.
d
e
c
i
s
i
o
n
s
.
-
A
A
qualitative
q
u
a
l
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
alone
a
l
o
n
e
is
i
s
not
n
o
t
able
a
b
l
e
to
t
o
give
g
i
v
e
a
a
valuable
v
a
l
u
a
b
l
e
ranking
r
a
n
k
i
n
g
between
b
e
t
w
e
e
n
those
t
h
o
s
e
items.
i
t
e
m
s
.
Quantitative:
Q
u
a
n
t
i
t
a
t
i
v
e
:
A
A
risk
r
i
s
k
analysis
a
n
a
l
y
s
i
s
that
t
h
a
t
uses
u
s
e
s
primarily
p
r
i
m
a
r
i
l
y
model-based
m
o
d
e
l
-
b
a
s
e
d
approaches
a
p
p
r
o
a
c
h
e
s
where
w
h
e
r
e
numerical
n
u
m
e
r
i
c
a
l
values
v
a
l
u
e
s
are
a
r
e
calculated,
c
a
l
c
u
l
a
t
e
d
,
and
a
n
d
more
m
o
r
e
discreet
d
i
s
c
r
e
e
t
input
i
n
p
u
t
data
d
a
t
a
used.
u
s
e
d
.
Quantitative
Q
u
a
n
t
i
t
a
t
i
v
e
programs
p
r
o
g
r
a
m
s
are
a
r
e
model-based
m
o
d
e
l
-
b
a
s
e
d
approaches
a
p
p
r
o
a
c
h
e
s
where
w
h
e
r
e
numerical
n
u
m
e
r
i
c
a
l
values
v
a
l
u
e
s
are
a
r
e
calculated,
c
a
l
c
u
l
a
t
e
d
,
and
a
n
d
more
m
o
r
e
discreet
d
i
s
c
r
e
e
t
input
i
n
p
u
t
data
d
a
t
a
used.
u
s
e
d
.
Pros:
P
r
o
s
:
-
Calculates,
C
a
l
c
u
l
a
t
e
s
,
with
w
i
t
h
some
s
o
m
e
precision,
p
r
e
c
i
s
i
o
n
,
when
w
h
e
n
the
t
h
e
risk
r
i
s
k
acceptance
a
c
c
e
p
t
a
n
c
e
limit
l
i
m
i
t
is
i
s
reached
r
e
a
c
h
e
d
or
o
r
exceeded;
e
x
c
e
e
d
e
d
;
-
Discrimination
D
i
s
c
r
i
m
i
n
a
t
i
o
n
between
b
e
t
w
e
e
n
equipment
e
q
u
i
p
m
e
n
t
risk
r
i
s
k
allowing
a
l
l
o
w
i
n
g
prioritization
p
r
i
o
r
i
t
i
z
a
t
i
o
n
of
o
f
mitigation;
m
i
t
i
g
a
t
i
o
n
;
-
Trending
T
r
e
n
d
i
n
g
and
a
n
d
monitoring
m
o
n
i
t
o
r
i
n
g
risk
r
i
s
k
exposure
e
x
p
o
s
u
r
e
over
o
v
e
r
time
t
i
m
e
as
a
s
well
w
e
l
l
as
a
s
other
o
t
h
e
r
metrics;
m
e
t
r
i
c
s
;
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
21
2
1
of
o
f
31
3
1
Cons:
C
o
n
s
:
-
Benchmarking
B
e
n
c
h
m
a
r
k
i
n
g
of
o
f
reliability
r
e
l
i
a
b
i
l
i
t
y
management
m
a
n
a
g
e
m
e
n
t
such
s
u
c
h
as
a
s
POF
P
O
F
trending
t
r
e
n
d
i
n
g
and
a
n
d
comparisons;
c
o
m
p
a
r
i
s
o
n
s
;
-
More
M
o
r
e
systematic,
s
y
s
t
e
m
a
t
i
c
,
consistent,
c
o
n
s
i
s
t
e
n
t
,
and
a
n
d
documented,
d
o
c
u
m
e
n
t
e
d
,
and
a
n
d
they
t
h
e
y
can
c
a
n
be
b
e
updated
u
p
d
a
t
e
d
with
w
i
t
h
inspection
i
n
s
p
e
c
t
i
o
n
results
r
e
s
u
l
t
s
than
t
h
a
n
qualitative
q
u
a
l
i
t
a
t
i
v
e
approaches;
a
p
p
r
o
a
c
h
e
s
;
-
A
A
software
s
o
f
t
w
a
r
e
program
p
r
o
g
r
a
m
is
i
s
used
u
s
e
d
to
t
o
calculate
c
a
l
c
u
l
a
t
e
risk
r
i
s
k
and
a
n
d
develop
d
e
v
e
l
o
p
inspection
i
n
s
p
e
c
t
i
o
n
program
p
r
o
g
r
a
m
recommendations;
r
e
c
o
m
m
e
n
d
a
t
i
o
n
s
;
-
The
T
h
e
models
m
o
d
e
l
s
are
a
r
e
initially
i
n
i
t
i
a
l
l
y
data-intensive,
d
a
t
a
-
i
n
t
e
n
s
i
v
e
,
but
b
u
t
the
t
h
e
use
u
s
e
of
o
f
models
m
o
d
e
l
s
removes
r
e
m
o
v
e
s
repetitive,
r
e
p
e
t
i
t
i
v
e
,
detailed
d
e
t
a
i
l
e
d
work
w
o
r
k
from
f
r
o
m
the
t
h
e
traditional
t
r
a
d
i
t
i
o
n
a
l
inspection
i
n
s
p
e
c
t
i
o
n
planning
p
l
a
n
n
i
n
g
process.
p
r
o
c
e
s
s
.
-
Requires
R
e
q
u
i
r
e
s
more
m
o
r
e
data
d
a
t
a
than
t
h
a
n
a
a
qualitative
q
u
a
l
i
t
a
t
i
v
e
or
o
r
semi-quantitative;
s
e
m
i
-
q
u
a
n
t
i
t
a
t
i
v
e
;
-
Requires
R
e
q
u
i
r
e
s
more
m
o
r
e
time
t
i
m
e
for
f
o
r
the
t
h
e
analysis;
a
n
a
l
y
s
i
s
;
-
Cost
C
o
s
t
is
i
s
higher
h
i
g
h
e
r
than
t
h
a
n
a
a
qualitative
q
u
a
l
i
t
a
t
i
v
e
or
o
r
semi-quantitative;
s
e
m
i
-
q
u
a
n
t
i
t
a
t
i
v
e
;
-
Requires
R
e
q
u
i
r
e
s
a
a
dedicated
d
e
d
i
c
a
t
e
d
software;
s
o
f
t
w
a
r
e
;
-
Requires
R
e
q
u
i
r
e
s
a
a
more
m
o
r
e
rigorous
r
i
g
o
r
o
u
s
approach
a
p
p
r
o
a
c
h
in
i
n
terms
t
e
r
m
s
of
o
f
update
u
p
d
a
t
e
after
a
f
t
e
r
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
activities.
a
c
t
i
v
i
t
i
e
s
.
Semi-Quantitative:
S
e
m
i
-
Q
u
a
n
t
i
t
a
t
i
v
e
:
A
A
risk
r
i
s
k
analysis
a
n
a
l
y
s
i
s
that
t
h
a
t
includes
i
n
c
l
u
d
e
s
aspects
a
s
p
e
c
t
s
of
o
f
both
b
o
t
h
qualitative
q
u
a
l
i
t
a
t
i
v
e
and
a
n
d
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
analyses.
a
n
a
l
y
s
e
s
.
It
I
t
is
i
s
geared
g
e
a
r
e
d
to
t
o
obtain
o
b
t
a
i
n
the
t
h
e
major
m
a
j
o
r
benefits
b
e
n
e
f
i
t
s
of
o
f
the
t
h
e
previous
p
r
e
v
i
o
u
s
two
t
w
o
approaches
a
p
p
r
o
a
c
h
e
s
(e.g.
(
e
.
g
.
speed
s
p
e
e
d
of
o
f
the
t
h
e
qualitative
q
u
a
l
i
t
a
t
i
v
e
and
a
n
d
rigor
r
i
g
o
r
of
o
f
the
t
h
e
quantitative).
q
u
a
n
t
i
t
a
t
i
v
e
)
.
Typically,
T
y
p
i
c
a
l
l
y
,
most
m
o
s
t
of
o
f
the
t
h
e
data
d
a
t
a
used
u
s
e
d
in
i
n
a
a
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
are
a
r
e
needed
n
e
e
d
e
d
for
f
o
r
this
t
h
i
s
approach,
a
p
p
r
o
a
c
h
,
but
b
u
t
in
i
n
less
l
e
s
s
detail.
d
e
t
a
i
l
.
The
T
h
e
models
m
o
d
e
l
s
may
m
a
y
not
n
o
t
be
b
e
as
a
s
rigorous
r
i
g
o
r
o
u
s
as
a
s
those
t
h
o
s
e
used
u
s
e
d
for
f
o
r
the
t
h
e
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
approach.
a
p
p
r
o
a
c
h
.
The
T
h
e
results
r
e
s
u
l
t
s
are
a
r
e
usually
u
s
u
a
l
l
y
given
g
i
v
e
n
in
i
n
consequence
c
o
n
s
e
q
u
e
n
c
e
and
a
n
d
probability
p
r
o
b
a
b
i
l
i
t
y
categories
c
a
t
e
g
o
r
i
e
s
or
o
r
as
a
s
risk
r
i
s
k
numbers,
n
u
m
b
e
r
s
,
but
b
u
t
numerical
n
u
m
e
r
i
c
a
l
values
v
a
l
u
e
s
may
m
a
y
be
b
e
associated
a
s
s
o
c
i
a
t
e
d
with
w
i
t
h
each
e
a
c
h
category
c
a
t
e
g
o
r
y
to
t
o
permit
p
e
r
m
i
t
the
t
h
e
calculation
c
a
l
c
u
l
a
t
i
o
n
of
o
f
risk
r
i
s
k
and
a
n
d
the
t
h
e
application
a
p
p
l
i
c
a
t
i
o
n
of
o
f
appropriate
a
p
p
r
o
p
r
i
a
t
e
risk
r
i
s
k
acceptance
a
c
c
e
p
t
a
n
c
e
criteria.
c
r
i
t
e
r
i
a
.
The
T
h
e
selection
s
e
l
e
c
t
i
o
n
of
o
f
the
t
h
e
type
t
y
p
e
of
o
f
approach
a
p
p
r
o
a
c
h
to
t
o
be
b
e
used
u
s
e
d
depends
d
e
p
e
n
d
s
on
o
n
factors
f
a
c
t
o
r
s
like:
l
i
k
e
:
-
Time
T
i
m
e
available
a
v
a
i
l
a
b
l
e
to
t
o
perform
p
e
r
f
o
r
m
the
t
h
e
study;
s
t
u
d
y
;
-
Number
N
u
m
b
e
r
of
o
f
the
t
h
e
item
i
t
e
m
to
t
o
be
b
e
analysed;
a
n
a
l
y
s
e
d
;
-
Local
L
o
c
a
l
regulations;
r
e
g
u
l
a
t
i
o
n
s
;
-
Available
A
v
a
i
l
a
b
l
e
data;
d
a
t
a
;
-
Available
A
v
a
i
l
a
b
l
e
expertise.
e
x
p
e
r
t
i
s
e
.
A
A
possible
p
o
s
s
i
b
l
e
approach
a
p
p
r
o
a
c
h
is
i
s
to
t
o
perform
p
e
r
f
o
r
m
at
a
t
first
f
i
r
s
t
a
a
screening
s
c
r
e
e
n
i
n
g
/
/
qualitative
q
u
a
l
i
t
a
t
i
v
e
analysis
a
n
a
l
y
s
i
s
to
t
o
define
d
e
f
i
n
e
the
t
h
e
items
i
t
e
m
s
or
o
r
group
g
r
o
u
p
of
o
f
items
i
t
e
m
s
with
w
i
t
h
a
a
low
l
o
w
level
l
e
v
e
l
of
o
f
risk,
r
i
s
k
,
for
f
o
r
which
w
h
i
c
h
a
a
general
g
e
n
e
r
a
l
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
will
w
i
l
l
be
b
e
developed.
d
e
v
e
l
o
p
e
d
.
More
M
o
r
e
details
d
e
t
a
i
l
s
are
a
r
e
given
g
i
v
e
n
in
i
n
the
t
h
e
relevant
r
e
l
e
v
a
n
t
appendixes.
a
p
p
e
n
d
i
x
e
s
.
The
T
h
e
items
i
t
e
m
s
with
w
i
t
h
a
a
medium-high
m
e
d
i
u
m
-
h
i
g
h
level
l
e
v
e
l
of
o
f
Risk
R
i
s
k
will
w
i
l
l
be
b
e
then
t
h
e
n
analysed
a
n
a
l
y
s
e
d
with
w
i
t
h
a
a
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
methodology
m
e
t
h
o
d
o
l
o
g
y
and
a
n
d
a
a
detailed
d
e
t
a
i
l
e
d
inspection
i
n
s
p
e
c
t
i
o
n
plan
p
l
a
n
(i.e.
(
i
.
e
.
WSE)
W
S
E
)
will
w
i
l
l
be
b
e
prepared.
p
r
e
p
a
r
e
d
.
An
A
n
example
e
x
a
m
p
l
e
of
o
f
this
t
h
i
s
approach
a
p
p
r
o
a
c
h
is
i
s
reported
r
e
p
o
r
t
e
d
below.
b
e
l
o
w
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
22
2
2
of
o
f
31
3
1
Figure
F
i
g
u
r
e
3
3
-
-
Example
E
x
a
m
p
l
e
of
o
f
a
a
screening
s
c
r
e
e
n
i
n
g
process
p
r
o
c
e
s
s
6
6
DATABASE
D
A
T
A
B
A
S
E
6.1
6
.
1
DATA
D
A
T
A
COLLECTION
C
O
L
L
E
C
T
I
O
N
AND
A
N
D
REVIEW
R
E
V
I
E
W
The
T
h
e
source
s
o
u
r
c
e
of
o
f
data
d
a
t
a
available
a
v
a
i
l
a
b
l
e
shall
s
h
a
l
l
be
b
e
identified
i
d
e
n
t
i
f
i
e
d
and
a
n
d
it
i
t
is
i
s
usually
u
s
u
a
l
l
y
found
f
o
u
n
d
in
i
n
the
t
h
e
following
f
o
l
l
o
w
i
n
g
documentation:
d
o
c
u
m
e
n
t
a
t
i
o
n
:
−
−
Design
D
e
s
i
g
n
premises
p
r
e
m
i
s
e
s
and
a
n
d
design
d
e
s
i
g
n
codes;
c
o
d
e
s
;
−
−
Geohazard
G
e
o
h
a
z
a
r
d
Report;
R
e
p
o
r
t
;
−
−
Seismic
S
e
i
s
m
i
c
Hazard
H
a
z
a
r
d
Report;
R
e
p
o
r
t
;
−
−
Design
D
e
s
i
g
n
life;
l
i
f
e
;
−
−
Layout
L
a
y
o
u
t
drawings;
d
r
a
w
i
n
g
s
;
−
−
P&IDs;
P
&
I
D
s
;
−
−
PFDs;
P
F
D
s
;
−
−
Piping
P
i
p
i
n
g
class
c
l
a
s
s
specifications;
s
p
e
c
i
f
i
c
a
t
i
o
n
s
;
−
−
Heat
H
e
a
t
and
a
n
d
material
m
a
t
e
r
i
a
l
balances;
b
a
l
a
n
c
e
s
;
−
−
Corrosion
C
o
r
r
o
s
i
o
n
prevention
p
r
e
v
e
n
t
i
o
n
philosophy
p
h
i
l
o
s
o
p
h
y
studies;
s
t
u
d
i
e
s
;
−
−
Corrosion
C
o
r
r
o
s
i
o
n
monitoring
m
o
n
i
t
o
r
i
n
g
data;
d
a
t
a
;
−
−
Materials
M
a
t
e
r
i
a
l
s
selection
s
e
l
e
c
t
i
o
n
reports;
r
e
p
o
r
t
s
;
−
−
Material
M
a
t
e
r
i
a
l
selection
s
e
l
e
c
t
i
o
n
diagram
d
i
a
g
r
a
m
(MSD);
(
M
S
D
)
;
−
−
Mechanical
M
e
c
h
a
n
i
c
a
l
data-sheets;
d
a
t
a
-
s
h
e
e
t
s
;
−
−
Flow
F
l
o
w
rate
r
a
t
e
data,
d
a
t
a
,
past
p
a
s
t
and
a
n
d
forecast;
f
o
r
e
c
a
s
t
;
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
23
2
3
of
o
f
31
3
1
−
−
Operating
O
p
e
r
a
t
i
n
g
data,
d
a
t
a
,
past
p
a
s
t
and
a
n
d
actual;
a
c
t
u
a
l
;
−
−
Fluid
F
l
u
i
d
composition,
c
o
m
p
o
s
i
t
i
o
n
,
past
p
a
s
t
and
a
n
d
actual;
a
c
t
u
a
l
;
−
−
Failure
F
a
i
l
u
r
e
track
t
r
a
c
k
records
r
e
c
o
r
d
s
and
a
n
d
failure
f
a
i
l
u
r
e
analysis
a
n
a
l
y
s
i
s
reports;
r
e
p
o
r
t
s
;
−
−
Inspection
I
n
s
p
e
c
t
i
o
n
history
h
i
s
t
o
r
y
and
a
n
d
reports;
r
e
p
o
r
t
s
;
−
−
Monitoring
M
o
n
i
t
o
r
i
n
g
reports;
r
e
p
o
r
t
s
;
−
−
Test
T
e
s
t
history
h
i
s
t
o
r
y
and
a
n
d
reports;
r
e
p
o
r
t
s
;
−
−
Repair
R
e
p
a
i
r
interventions
i
n
t
e
r
v
e
n
t
i
o
n
s
history
h
i
s
t
o
r
y
and
a
n
d
reports;
r
e
p
o
r
t
s
;
−
−
Painting,
P
a
i
n
t
i
n
g
,
coating
c
o
a
t
i
n
g
and
a
n
d
insulation
i
n
s
u
l
a
t
i
o
n
specifications;
s
p
e
c
i
f
i
c
a
t
i
o
n
s
;
−
−
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
specification;
s
p
e
c
i
f
i
c
a
t
i
o
n
;
−
−
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
inspection
i
n
s
p
e
c
t
i
o
n
reports;
r
e
p
o
r
t
s
;
−
−
Previous
P
r
e
v
i
o
u
s
risk
r
i
s
k
assessments,
a
s
s
e
s
s
m
e
n
t
s
,
including
i
n
c
l
u
d
i
n
g
HAZOP,
H
A
Z
O
P
,
HAZID
H
A
Z
I
D
and
a
n
d
FMEA;
F
M
E
A
;
−
−
Construction
C
o
n
s
t
r
u
c
t
i
o
n
drawings
d
r
a
w
i
n
g
s
/
/
general
g
e
n
e
r
a
l
arrangement
a
r
r
a
n
g
e
m
e
n
t
drawings;
d
r
a
w
i
n
g
s
;
−
−
Legislation
L
e
g
i
s
l
a
t
i
o
n
and
a
n
d
standard
s
t
a
n
d
a
r
d
codes.
c
o
d
e
s
.
The
T
h
e
quantity
q
u
a
n
t
i
t
y
and
a
n
d
quality
q
u
a
l
i
t
y
of
o
f
data
d
a
t
a
shall
s
h
a
l
l
be
b
e
tailored
t
a
i
l
o
r
e
d
to
t
o
the
t
h
e
expected
e
x
p
e
c
t
e
d
level
l
e
v
e
l
of
o
f
detail
d
e
t
a
i
l
of
o
f
the
t
h
e
RBI
R
B
I
analysis.
a
n
a
l
y
s
i
s
.
Where
W
h
e
r
e
no
n
o
data
d
a
t
a
exists
e
x
i
s
t
s
(e.g.
(
e
.
g
.
inspection
i
n
s
p
e
c
t
i
o
n
data
d
a
t
a
in
i
n
case
c
a
s
e
of
o
f
RBI
R
B
I
performed
p
e
r
f
o
r
m
e
d
in
i
n
the
t
h
e
design
d
e
s
i
g
n
phase)
p
h
a
s
e
)
a
a
conservative
c
o
n
s
e
r
v
a
t
i
v
e
risk
r
i
s
k
approach
a
p
p
r
o
a
c
h
should
s
h
o
u
l
d
be
b
e
applied.
a
p
p
l
i
e
d
.
Each
E
a
c
h
selected
s
e
l
e
c
t
e
d
item
i
t
e
m
shall
s
h
a
l
l
be
b
e
univocally
u
n
i
v
o
c
a
l
l
y
identified
i
d
e
n
t
i
f
i
e
d
by
b
y
a
a
code
c
o
d
e
or
o
r
tag.
t
a
g
.
6.2
6
.
2
DATABASE
D
A
T
A
B
A
S
E
SETUP
S
E
T
U
P
AND
A
N
D
MANAGEMENT
M
A
N
A
G
E
M
E
N
T
The
T
h
e
documents
d
o
c
u
m
e
n
t
s
listed
l
i
s
t
e
d
in
i
n
the
t
h
e
previous
p
r
e
v
i
o
u
s
paragraph,
p
a
r
a
g
r
a
p
h
,
together
t
o
g
e
t
h
e
r
with
w
i
t
h
all
a
l
l
useful
u
s
e
f
u
l
sources,
s
o
u
r
c
e
s
,
shall
s
h
a
l
l
be
b
e
reviewed,
r
e
v
i
e
w
e
d
,
validated
v
a
l
i
d
a
t
e
d
and
a
n
d
uploaded
u
p
l
o
a
d
e
d
into
i
n
t
o
a
a
dedicated
d
e
d
i
c
a
t
e
d
IDMS
I
D
M
S
(Ref.
(
R
e
f
.
/37/).
/
3
7
/
)
.
As
A
s
a
a
minimum,
m
i
n
i
m
u
m
,
the
t
h
e
database
d
a
t
a
b
a
s
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
categories
c
a
t
e
g
o
r
i
e
s
of
o
f
data
d
a
t
a
(for
(
f
o
r
each
e
a
c
h
item):
i
t
e
m
)
:
−
−
Codes
C
o
d
e
s
and
a
n
d
extent
e
x
t
e
n
t
(from/to
(
f
r
o
m
/
t
o
for
f
o
r
pipework
p
i
p
e
w
o
r
k
only);
o
n
l
y
)
;
−
−
Dimensional
D
i
m
e
n
s
i
o
n
a
l
data;
d
a
t
a
;
−
−
Materials
M
a
t
e
r
i
a
l
s
and
a
n
d
grades;
g
r
a
d
e
s
;
−
−
Design
D
e
s
i
g
n
and
a
n
d
operating
o
p
e
r
a
t
i
n
g
parameters
p
a
r
a
m
e
t
e
r
s
(actual
(
a
c
t
u
a
l
and
a
n
d
past);
p
a
s
t
)
;
−
−
Fluid
F
l
u
i
d
chemical
c
h
e
m
i
c
a
l
analysis
a
n
a
l
y
s
i
s
and
a
n
d
physical
p
h
y
s
i
c
a
l
parameters
p
a
r
a
m
e
t
e
r
s
(actual
(
a
c
t
u
a
l
and
a
n
d
past);
p
a
s
t
)
;
−
−
Bacterial
B
a
c
t
e
r
i
a
l
analysis
a
n
a
l
y
s
i
s
(water
(
w
a
t
e
r
only);
o
n
l
y
)
;
−
−
Fluid
F
l
u
i
d
treatments
t
r
e
a
t
m
e
n
t
s
with
w
i
t
h
chemicals:
c
h
e
m
i
c
a
l
s
:
types;
t
y
p
e
s
;
injection
i
n
j
e
c
t
i
o
n
points;
p
o
i
n
t
s
;
injection
i
n
j
e
c
t
i
o
n
mode;
m
o
d
e
;
dosages
d
o
s
a
g
e
s
(actual
(
a
c
t
u
a
l
and
a
n
d
past);
p
a
s
t
)
;
−
−
Process
P
r
o
c
e
s
s
treatments;
t
r
e
a
t
m
e
n
t
s
;
−
−
Cathodic
C
a
t
h
o
d
i
c
protection
p
r
o
t
e
c
t
i
o
n
data
d
a
t
a
(actual
(
a
c
t
u
a
l
and
a
n
d
past);
p
a
s
t
)
;
−
−
Coating
C
o
a
t
i
n
g
and
a
n
d
painting;
p
a
i
n
t
i
n
g
;
−
−
Monitoring
M
o
n
i
t
o
r
i
n
g
data;
d
a
t
a
;
−
−
Inspection
I
n
s
p
e
c
t
i
o
n
and
a
n
d
failures
f
a
i
l
u
r
e
s
data;
d
a
t
a
;
−
−
Risk
R
i
s
k
matrixes.
m
a
t
r
i
x
e
s
.
7
7
INSPECTIONS
I
N
S
P
E
C
T
I
O
N
S
7.1
7
.
1
BASELINE
B
A
S
E
L
I
N
E
INSPECTION
I
N
S
P
E
C
T
I
O
N
To
T
o
increase
i
n
c
r
e
a
s
e
the
t
h
e
data
d
a
t
a
quality
q
u
a
l
i
t
y
in
i
n
case
c
a
s
e
of
o
f
new
n
e
w
facilities,
f
a
c
i
l
i
t
i
e
s
,
or
o
r
new
n
e
w
items
i
t
e
m
s
to
t
o
be
b
e
incorporated
i
n
c
o
r
p
o
r
a
t
e
d
in
i
n
an
a
n
existing
e
x
i
s
t
i
n
g
facility
f
a
c
i
l
i
t
y
before
b
e
f
o
r
e
the
t
h
e
respective
r
e
s
p
e
c
t
i
v
e
start-up
s
t
a
r
t
-
u
p
a
a
“baseline
“
b
a
s
e
l
i
n
e
inspection”
i
n
s
p
e
c
t
i
o
n
”
should
s
h
o
u
l
d
be
b
e
performed
p
e
r
f
o
r
m
e
d
to:
t
o
:
-
measure
m
e
a
s
u
r
e
the
t
h
e
actual
a
c
t
u
a
l
thickness
t
h
i
c
k
n
e
s
s
of
o
f
the
t
h
e
item
i
t
e
m
to
t
o
be
b
e
used
u
s
e
d
as
a
s
a
a
reference
r
e
f
e
r
e
n
c
e
for
f
o
r
RBI
R
B
I
analysis;
a
n
a
l
y
s
i
s
;
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
24
2
4
of
o
f
31
3
1
-
assess
a
s
s
e
s
s
any
a
n
y
non-compliance
n
o
n
-
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
the
t
h
e
original
o
r
i
g
i
n
a
l
design
d
e
s
i
g
n
(e.g.
(
e
.
g
.
pipe
p
i
p
e
installed
i
n
s
t
a
l
l
e
d
with
w
i
t
h
a
a
schedule
s
c
h
e
d
u
l
e
different
d
i
f
f
e
r
e
n
t
from
f
r
o
m
the
t
h
e
piping
p
i
p
i
n
g
class);
c
l
a
s
s
)
;
-
verify
v
e
r
i
f
y
that
t
h
a
t
the
t
h
e
thickness
t
h
i
c
k
n
e
s
s
is
i
s
within
w
i
t
h
i
n
the
t
h
e
fabrication
f
a
b
r
i
c
a
t
i
o
n
tolerance
t
o
l
e
r
a
n
c
e
3
3
;
;
-
perform
p
e
r
f
o
r
m
other
o
t
h
e
r
NDT
N
D
T
to
t
o
be
b
e
used
u
s
e
d
as
a
s
a
a
reference
r
e
f
e
r
e
n
c
e
for
f
o
r
RBI
R
B
I
analysis.
a
n
a
l
y
s
i
s
.
In
I
n
the
t
h
e
case
c
a
s
e
of
o
f
subsea
s
u
b
s
e
a
assets,
a
s
s
e
t
s
,
baseline
b
a
s
e
l
i
n
e
inspections
i
n
s
p
e
c
t
i
o
n
s
usually
u
s
u
a
l
l
y
coincide
c
o
i
n
c
i
d
e
with
w
i
t
h
the
t
h
e
as-built
a
s
-
b
u
i
l
t
surveys
s
u
r
v
e
y
s
and
a
n
d
shall
s
h
a
l
l
be
b
e
used
u
s
e
d
to
t
o
capture
c
a
p
t
u
r
e
any
a
n
y
new
n
e
w
threats
t
h
r
e
a
t
s
or
o
r
damages
d
a
m
a
g
e
s
and/or
a
n
d
/
o
r
anomalies
a
n
o
m
a
l
i
e
s
from
f
r
o
m
installation
i
n
s
t
a
l
l
a
t
i
o
n
and
a
n
d
pre-commissioning
p
r
e
-
c
o
m
m
i
s
s
i
o
n
i
n
g
activities.
a
c
t
i
v
i
t
i
e
s
.
The
T
h
e
available
a
v
a
i
l
a
b
l
e
results
r
e
s
u
l
t
s
from
f
r
o
m
the
t
h
e
baseline
b
a
s
e
l
i
n
e
inspections
i
n
s
p
e
c
t
i
o
n
s
shall
s
h
a
l
l
be
b
e
evaluated
e
v
a
l
u
a
t
e
d
and
a
n
d
taken
t
a
k
e
n
into
i
n
t
o
account
a
c
c
o
u
n
t
during
d
u
r
i
n
g
the
t
h
e
updating
u
p
d
a
t
i
n
g
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
for
f
o
r
re-assessing
r
e
-
a
s
s
e
s
s
i
n
g
the
t
h
e
active
a
c
t
i
v
e
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
and
a
n
d
damage
d
a
m
a
g
e
(e.g.
(
e
.
g
.
corrosion)
c
o
r
r
o
s
i
o
n
)
rates.
r
a
t
e
s
.
Further
F
u
r
t
h
e
r
details
d
e
t
a
i
l
s
are
a
r
e
defined
d
e
f
i
n
e
d
in
i
n
each
e
a
c
h
Appendix.
A
p
p
e
n
d
i
x
.
7.2
7
.
2
FIRST
F
I
R
S
T
INSPECTION
I
N
S
P
E
C
T
I
O
N
The
T
h
e
scope
s
c
o
p
e
of
o
f
the
t
h
e
First
F
i
r
s
t
Inspection
I
n
s
p
e
c
t
i
o
n
is
i
s
to:
t
o
:
-
Verify
V
e
r
i
f
y
the
t
h
e
assumptions
a
s
s
u
m
p
t
i
o
n
s
of
o
f
the
t
h
e
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
(e.g.
(
e
.
g
.
Active
A
c
t
i
v
e
damage
d
a
m
a
g
e
mechanisms);
m
e
c
h
a
n
i
s
m
s
)
;
-
Verify
V
e
r
i
f
y
critical
c
r
i
t
i
c
a
l
areas
a
r
e
a
s
where
w
h
e
r
e
damage
d
a
m
a
g
e
is
i
s
most
m
o
s
t
likely
l
i
k
e
l
y
to
t
o
occur;
o
c
c
u
r
;
-
Compare
C
o
m
p
a
r
e
obtained
o
b
t
a
i
n
e
d
results
r
e
s
u
l
t
s
with
w
i
t
h
those
t
h
o
s
e
from
f
r
o
m
the
t
h
e
baseline
b
a
s
e
l
i
n
e
inspection
i
n
s
p
e
c
t
i
o
n
for
f
o
r
damage
d
a
m
a
g
e
evaluation
e
v
a
l
u
a
t
i
o
n
(e.g.
(
e
.
g
.
Corrosion
C
o
r
r
o
s
i
o
n
rate)
r
a
t
e
)
and
a
n
d
for
f
o
r
detecting
d
e
t
e
c
t
i
n
g
any
a
n
y
change
c
h
a
n
g
e
of
o
f
condition
c
o
n
d
i
t
i
o
n
or
o
r
any
a
n
y
new
n
e
w
threat
t
h
r
e
a
t
to
t
o
the
t
h
e
asset;
a
s
s
e
t
;
-
Ensure
E
n
s
u
r
e
that
t
h
a
t
the
t
h
e
asset
a
s
s
e
t
can
c
a
n
be
b
e
safely
s
a
f
e
l
y
operated
o
p
e
r
a
t
e
d
until
u
n
t
i
l
the
t
h
e
next
n
e
x
t
inspection;
i
n
s
p
e
c
t
i
o
n
;
-
Gather
G
a
t
h
e
r
input
i
n
p
u
t
data
d
a
t
a
for
f
o
r
RBI
R
B
I
update.
u
p
d
a
t
e
.
7.3
7
.
3
FITNESS
F
I
T
N
E
S
S
FOR
F
O
R
SERVICE
S
E
R
V
I
C
E
In
I
n
case
c
a
s
e
of
o
f
non-compliance
n
o
n
-
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
the
t
h
e
original
o
r
i
g
i
n
a
l
design
d
e
s
i
g
n
or
o
r
if
i
f
flaws/damage
f
l
a
w
s
/
d
a
m
a
g
e
are
a
r
e
discovered
d
i
s
c
o
v
e
r
e
d
during
d
u
r
i
n
g
inspections
i
n
s
p
e
c
t
i
o
n
s
and
a
n
d
are
a
r
e
not
n
o
t
possible
p
o
s
s
i
b
l
e
to
t
o
intervene
i
n
t
e
r
v
e
n
e
on
o
n
the
t
h
e
defect/non-conformity,
d
e
f
e
c
t
/
n
o
n
-
c
o
n
f
o
r
m
i
t
y
,
a
a
Fitness
F
i
t
n
e
s
s
for
f
o
r
Service
S
e
r
v
i
c
e
(FFS)
(
F
F
S
)
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
performed
p
e
r
f
o
r
m
e
d
to
t
o
evaluate
e
v
a
l
u
a
t
e
the
t
h
e
structural
s
t
r
u
c
t
u
r
a
l
integrity
i
n
t
e
g
r
i
t
y
of
o
f
the
t
h
e
components
c
o
m
p
o
n
e
n
t
s
and
a
n
d
their
t
h
e
i
r
suitability
s
u
i
t
a
b
i
l
i
t
y
for
f
o
r
continuous
c
o
n
t
i
n
u
o
u
s
service.
s
e
r
v
i
c
e
.
The
T
h
e
FFS
F
F
S
is
i
s
not
n
o
t
part
p
a
r
t
of
o
f
the
t
h
e
RBI
R
B
I
process,
p
r
o
c
e
s
s
,
but
b
u
t
its
i
t
s
output
o
u
t
p
u
t
can
c
a
n
impact
i
m
p
a
c
t
RBI
R
B
I
input
i
n
p
u
t
data
d
a
t
a
and
a
n
d
results.
r
e
s
u
l
t
s
.
Due
D
u
e
to
t
o
this
t
h
i
s
reason,
r
e
a
s
o
n
,
FFS
F
F
S
studies
s
t
u
d
i
e
s
have
h
a
v
e
always
a
l
w
a
y
s
to
t
o
be
b
e
taken
t
a
k
e
n
into
i
n
t
o
account
a
c
c
o
u
n
t
during
d
u
r
i
n
g
the
t
h
e
database
d
a
t
a
b
a
s
e
creation
c
r
e
a
t
i
o
n
phase.
p
h
a
s
e
.
8
8
DAMAGE
D
A
M
A
G
E
MECHANISMS
M
E
C
H
A
N
I
S
M
S
The
T
h
e
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
are
a
r
e
defined
d
e
f
i
n
e
d
as
a
s
how
h
o
w
a
a
component
c
o
m
p
o
n
e
n
t
degrades
d
e
g
r
a
d
e
s
thus
t
h
u
s
reducing
r
e
d
u
c
i
n
g
its
i
t
s
ability
a
b
i
l
i
t
y
to
t
o
carry
c
a
r
r
y
out
o
u
t
its
i
t
s
function
f
u
n
c
t
i
o
n
(Ref.
(
R
e
f
.
/4/).
/
4
/
)
.
Several
S
e
v
e
r
a
l
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
can
c
a
n
affect
a
f
f
e
c
t
the
t
h
e
integrity
i
n
t
e
g
r
i
t
y
of
o
f
production
p
r
o
d
u
c
t
i
o
n
facilities
f
a
c
i
l
i
t
i
e
s
and
a
n
d
structural
s
t
r
u
c
t
u
r
a
l
components.
c
o
m
p
o
n
e
n
t
s
.
Some
S
o
m
e
of
o
f
the
t
h
e
main
m
a
i
n
categories
c
a
t
e
g
o
r
i
e
s
are:
a
r
e
:
−
−
Mechanical
M
e
c
h
a
n
i
c
a
l
and
a
n
d
Metallurgical
M
e
t
a
l
l
u
r
g
i
c
a
l
Failure
F
a
i
l
u
r
e
Mechanisms;
M
e
c
h
a
n
i
s
m
s
;
−
−
Uniform
U
n
i
f
o
r
m
or
o
r
Localized
L
o
c
a
l
i
z
e
d
Loss
L
o
s
s
of
o
f
Thickness;
T
h
i
c
k
n
e
s
s
;
−
−
High-temperature
H
i
g
h
-
t
e
m
p
e
r
a
t
u
r
e
corrosion;
c
o
r
r
o
s
i
o
n
;
3
3
Mismatched
M
i
s
m
a
t
c
h
e
d
materials
m
a
t
e
r
i
a
l
s
during
d
u
r
i
n
g
construction.
c
o
n
s
t
r
u
c
t
i
o
n
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
25
2
5
of
o
f
31
3
1
−
−
Environmental
E
n
v
i
r
o
n
m
e
n
t
a
l
–
–
Assisted
A
s
s
i
s
t
e
d
Cracking;
C
r
a
c
k
i
n
g
;
−
−
Environmental
E
n
v
i
r
o
n
m
e
n
t
a
l
events.
e
v
e
n
t
s
.
Amongst
A
m
o
n
g
s
t
the
t
h
e
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms,
m
e
c
h
a
n
i
s
m
s
,
a
a
distinction
d
i
s
t
i
n
c
t
i
o
n
can
c
a
n
be
b
e
made
m
a
d
e
between
b
e
t
w
e
e
n
time-dependent
t
i
m
e
-
d
e
p
e
n
d
e
n
t
and
a
n
d
non-time
n
o
n
-
t
i
m
e
dependent
d
e
p
e
n
d
e
n
t
mechanisms.
m
e
c
h
a
n
i
s
m
s
.
Non-time
N
o
n
-
t
i
m
e
dependent
d
e
p
e
n
d
e
n
t
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms
m
e
c
h
a
n
i
s
m
s
occur
o
c
c
u
r
as
a
s
sudden
s
u
d
d
e
n
rupture,
r
u
p
t
u
r
e
,
for
f
o
r
instance
i
n
s
t
a
n
c
e
by
b
y
fracture,
f
r
a
c
t
u
r
e
,
and
a
n
d
inspection
i
n
s
p
e
c
t
i
o
n
criteria
c
r
i
t
e
r
i
a
based
b
a
s
e
d
on
o
n
inspection
i
n
s
p
e
c
t
i
o
n
intervals
i
n
t
e
r
v
a
l
s
cannot
c
a
n
n
o
t
be
b
e
applied.
a
p
p
l
i
e
d
.
RBI,
R
B
I
,
in
i
n
its
i
t
s
most
m
o
s
t
appropriate
a
p
p
r
o
p
r
i
a
t
e
and
a
n
d
complete
c
o
m
p
l
e
t
e
interpretation,
i
n
t
e
r
p
r
e
t
a
t
i
o
n
,
applies
a
p
p
l
i
e
s
to
t
o
time-dependent
t
i
m
e
-
d
e
p
e
n
d
e
n
t
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms
m
e
c
h
a
n
i
s
m
s
where
w
h
e
r
e
risk
r
i
s
k
prediction
p
r
e
d
i
c
t
i
o
n
can
c
a
n
be
b
e
performed.
p
e
r
f
o
r
m
e
d
.
However,
H
o
w
e
v
e
r
,
the
t
h
e
RBI
R
B
I
approach
a
p
p
r
o
a
c
h
can
c
a
n
be
b
e
extended
e
x
t
e
n
d
e
d
and
a
n
d
adapted
a
d
a
p
t
e
d
to
t
o
all
a
l
l
expected
e
x
p
e
c
t
e
d
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms.
m
e
c
h
a
n
i
s
m
s
.
8.1
8
.
1
IDENTIFICATION
I
D
E
N
T
I
F
I
C
A
T
I
O
N
OF
O
F
APPLICABLE
A
P
P
L
I
C
A
B
L
E
DAMAGE
D
A
M
A
G
E
MECHANISMS
M
E
C
H
A
N
I
S
M
S
The
T
h
e
scope
s
c
o
p
e
of
o
f
the
t
h
e
first
f
i
r
s
t
step
s
t
e
p
in
i
n
an
a
n
RBI
R
B
I
analysis
a
n
a
l
y
s
i
s
is
i
s
to
t
o
identify
i
d
e
n
t
i
f
y
all
a
l
l
the
t
h
e
reasonable
r
e
a
s
o
n
a
b
l
e
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
that
t
h
a
t
can
c
a
n
be
b
e
active
a
c
t
i
v
e
in
i
n
the
t
h
e
asset
a
s
s
e
t
under
u
n
d
e
r
evaluation
e
v
a
l
u
a
t
i
o
n
based
b
a
s
e
d
on:
o
n
:
-
Fluid
F
l
u
i
d
composition
c
o
m
p
o
s
i
t
i
o
n
(for
(
f
o
r
process
p
r
o
c
e
s
s
equipment);
e
q
u
i
p
m
e
n
t
)
;
-
Operating
O
p
e
r
a
t
i
n
g
conditions;
c
o
n
d
i
t
i
o
n
s
;
-
Environment
E
n
v
i
r
o
n
m
e
n
t
(Offshore,
(
O
f
f
s
h
o
r
e
,
Onshore,
O
n
s
h
o
r
e
,
Subsea);
S
u
b
s
e
a
)
;
-
Material
M
a
t
e
r
i
a
l
of
o
f
Construction;
C
o
n
s
t
r
u
c
t
i
o
n
;
-
Inspection/maintenance
I
n
s
p
e
c
t
i
o
n
/
m
a
i
n
t
e
n
a
n
c
e
history.
h
i
s
t
o
r
y
.
In
I
n
the
t
h
e
next
n
e
x
t
table
t
a
b
l
e
are
a
r
e
reported
r
e
p
o
r
t
e
d
the
t
h
e
most
m
o
s
t
common
c
o
m
m
o
n
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
expected
e
x
p
e
c
t
e
d
based
b
a
s
e
d
on
o
n
API
A
P
I
571
5
7
1
and
a
n
d
DNVGL-F116,
D
N
V
G
L
-
F
1
1
6
,
along
a
l
o
n
g
with
w
i
t
h
the
t
h
e
indication
i
n
d
i
c
a
t
i
o
n
of
o
f
the
t
h
e
industries
i
n
d
u
s
t
r
i
e
s
where
w
h
e
r
e
they
t
h
e
y
are
a
r
e
commonly
c
o
m
m
o
n
l
y
active
a
c
t
i
v
e
if
i
f
they
t
h
e
y
are
a
r
e
internal
i
n
t
e
r
n
a
l
(Int)
(
I
n
t
)
or
o
r
external
e
x
t
e
r
n
a
l
(Ext)
(
E
x
t
)
and
a
n
d
the
t
h
e
most
m
o
s
t
commonly
c
o
m
m
o
n
l
y
affected
a
f
f
e
c
t
e
d
materials.
m
a
t
e
r
i
a
l
s
.
It
I
t
shall
s
h
a
l
l
be
b
e
noted
n
o
t
e
d
that
t
h
a
t
the
t
h
e
next
n
e
x
t
table
t
a
b
l
e
may
m
a
y
not
n
o
t
cover
c
o
v
e
r
all
a
l
l
damage
d
a
m
a
g
e
or
o
r
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms
m
e
c
h
a
n
i
s
m
s
of
o
f
all
a
l
l
types
t
y
p
e
s
of
o
f
equipment,
e
q
u
i
p
m
e
n
t
,
structures
s
t
r
u
c
t
u
r
e
s
and
a
n
d
systems
s
y
s
t
e
m
s
presently
p
r
e
s
e
n
t
l
y
installed
i
n
s
t
a
l
l
e
d
in
i
n
the
t
h
e
various
v
a
r
i
o
u
s
Eni
E
n
i
facilities/assets.
f
a
c
i
l
i
t
i
e
s
/
a
s
s
e
t
s
.
Therefore,
T
h
e
r
e
f
o
r
e
,
applicable
a
p
p
l
i
c
a
b
l
e
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
may
m
a
y
vary
v
a
r
y
and
a
n
d
shall
s
h
a
l
l
be
b
e
customized
c
u
s
t
o
m
i
z
e
d
on
o
n
a
a
case
c
a
s
e
by
b
y
case
c
a
s
e
basis
b
a
s
i
s
depending
d
e
p
e
n
d
i
n
g
on
o
n
the
t
h
e
type
t
y
p
e
of
o
f
facility/asset
f
a
c
i
l
i
t
y
/
a
s
s
e
t
being
b
e
i
n
g
analyzed.
a
n
a
l
y
z
e
d
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
26
2
6
of
o
f
31
3
1
Table
T
a
b
l
e
1
1
-
-
List
L
i
s
t
of
o
f
Damage
D
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
Material
M
a
t
e
r
i
a
l
Int
I
n
t
Plant
P
l
a
n
t
Sub
S
u
b
Pip.
P
i
p
.
Naval
N
a
v
a
l
Civil
C
i
v
i
l
Struc
S
t
r
u
c
Affected
A
f
f
e
c
t
e
d
Ext
E
x
t
Damage
D
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
that
t
h
a
t
are
a
r
e
common
c
o
m
m
o
n
to
t
o
a
a
variety
v
a
r
i
e
t
y
of
o
f
industries
i
n
d
u
s
t
r
i
e
s
Mechanical
M
e
c
h
a
n
i
c
a
l
and
a
n
d
Metallurgical
M
e
t
a
l
l
u
r
g
i
c
a
l
Failure
F
a
i
l
u
r
e
Mechanisms
M
e
c
h
a
n
i
s
m
s
Graphitization
G
r
a
p
h
i
t
i
z
a
t
i
o
n
CS/LAS
C
S
/
L
A
S
I
I
X
X
Softening
S
o
f
t
e
n
i
n
g
(Spheroidization)
(
S
p
h
e
r
o
i
d
i
z
a
t
i
o
n
)
CS/LAS
C
S
/
L
A
S
I
I
X
X
Temper
T
e
m
p
e
r
Embrittlement
E
m
b
r
i
t
t
l
e
m
e
n
t
LAS
L
A
S
I
I
X
X
Strain
S
t
r
a
i
n
Aging
A
g
i
n
g
CS/LAS
C
S
/
L
A
S
I
I
X
X
885°F
8
8
5
°
F
(475oC)
(
4
7
5
o
C
)
Embrittlement
E
m
b
r
i
t
t
l
e
m
e
n
t
CRA
C
R
A
I
I
X
X
Sigma
S
i
g
m
a
Phase
P
h
a
s
e
Embrittlement
E
m
b
r
i
t
t
l
e
m
e
n
t
CRA
C
R
A
I
I
X
X
Brittle
B
r
i
t
t
l
e
Fracture
F
r
a
c
t
u
r
e
CS/LAS/CRA
C
S
/
L
A
S
/
C
R
A
I
I
X
X
X
X
X
X
X
X
X
X
X
X
Creep
C
r
e
e
p
and
a
n
d
Stress
S
t
r
e
s
s
Rupture
R
u
p
t
u
r
e
ALL
A
L
L
I
I
X
X
X
X
Thermal
T
h
e
r
m
a
l
Fatigue
F
a
t
i
g
u
e
ALL
A
L
L
I
I
X
X
Short
S
h
o
r
t
Term
T
e
r
m
Overheating
O
v
e
r
h
e
a
t
i
n
g
–
–
Stress
S
t
r
e
s
s
Rupture
R
u
p
t
u
r
e
ALL
A
L
L
I
I
X
X
Steam
S
t
e
a
m
Blanketing
B
l
a
n
k
e
t
i
n
g
CS/LAS
C
S
/
L
A
S
I
I
X
X
Dissimilar
D
i
s
s
i
m
i
l
a
r
Metal
M
e
t
a
l
Weld
W
e
l
d
(DMW)
(
D
M
W
)
Cracking
C
r
a
c
k
i
n
g
CS/LAS
C
S
/
L
A
S
I
I
X
X
X
X
X
X
Thermal
T
h
e
r
m
a
l
Shock
S
h
o
c
k
ALL
A
L
L
I
I
X
X
Erosion/Erosion
E
r
o
s
i
o
n
/
E
r
o
s
i
o
n
–
–
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
X
X
X
X
Cavitation
C
a
v
i
t
a
t
i
o
n
ALL
A
L
L
I
I
X
X
X
X
X
X
Mechanical
M
e
c
h
a
n
i
c
a
l
Fatigue
F
a
t
i
g
u
e
ALL
A
L
L
I
I
X
X
X
X
X
X
X
X
X
X
X
X
Vibration-Induced
V
i
b
r
a
t
i
o
n
-
I
n
d
u
c
e
d
Fatigue
F
a
t
i
g
u
e
ALL
A
L
L
I
I
X
X
X
X
X
X
X
X
X
X
Refractory
R
e
f
r
a
c
t
o
r
y
Degradation
D
e
g
r
a
d
a
t
i
o
n
REF
R
E
F
I
I
X
X
Reheat
R
e
h
e
a
t
Cracking
C
r
a
c
k
i
n
g
LAS/CRA
L
A
S
/
C
R
A
I
I
X
X
Gaseous
G
a
s
e
o
u
s
Oxygen-Enhanced
O
x
y
g
e
n
-
E
n
h
a
n
c
e
d
Ignition
I
g
n
i
t
i
o
n
and
a
n
d
Combustion
C
o
m
b
u
s
t
i
o
n
CS/CRA
C
S
/
C
R
A
I
I
X
X
-
Uniform
U
n
i
f
o
r
m
or
o
r
Localized
L
o
c
a
l
i
z
e
d
Loss
L
o
s
s
of
o
f
Thickness
T
h
i
c
k
n
e
s
s
Galvanic
G
a
l
v
a
n
i
c
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
X
X
X
X
Atmospheric
A
t
m
o
s
p
h
e
r
i
c
Corrosion
C
o
r
r
o
s
i
o
n
CS/LAS
C
S
/
L
A
S
E
E
X
X
X
X
X
X
X
X
X
X
Corrosion
C
o
r
r
o
s
i
o
n
Under
U
n
d
e
r
Insulation
I
n
s
u
l
a
t
i
o
n
(CUI)
(
C
U
I
)
CS/LAS/CRA
C
S
/
L
A
S
/
C
R
A
E
E
X
X
X
X
X
X
X
X
X
X
Cooling
C
o
o
l
i
n
g
Water
W
a
t
e
r
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
Boiler
B
o
i
l
e
r
Water
W
a
t
e
r
Condensate
C
o
n
d
e
n
s
a
t
e
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
CO2
C
O
2
Corrosion
C
o
r
r
o
s
i
o
n
CS/LAS
C
S
/
L
A
S
I
I
X
X
X
X
X
X
Flue-Gas
F
l
u
e
-
G
a
s
Dew-Point
D
e
w
-
P
o
i
n
t
Corrosion
C
o
r
r
o
s
i
o
n
CS/LAS/CRA
C
S
/
L
A
S
/
C
R
A
I
I
X
X
Microbiologically
M
i
c
r
o
b
i
o
l
o
g
i
c
a
l
l
y
Induced
I
n
d
u
c
e
d
Corrosion
C
o
r
r
o
s
i
o
n
(MIC)
(
M
I
C
)
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
X
X
X
X
X
X
Soil
S
o
i
l
Corrosion
C
o
r
r
o
s
i
o
n
CS/LAS
C
S
/
L
A
S
E
E
X
X
X
X
X
X
X
X
X
X
Caustic
C
a
u
s
t
i
c
Corrosion
C
o
r
r
o
s
i
o
n
CS/LAS/CRA
C
S
/
L
A
S
/
C
R
A
I
I
X
X
Dealloying
D
e
a
l
l
o
y
i
n
g
CU/CI
C
U
/
C
I
I
I
X
X
Graphitic
G
r
a
p
h
i
t
i
c
Corrosion
C
o
r
r
o
s
i
o
n
CI
C
I
I
I
X
X
Seawater
S
e
a
w
a
t
e
r
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
X
X
X
X
X
X
High
H
i
g
h
Temperature
T
e
m
p
e
r
a
t
u
r
e
Corrosion
C
o
r
r
o
s
i
o
n
[>400°F
[
>
4
0
0
°
F
(204°C)]
(
2
0
4
°
C
)
]
Oxidation
O
x
i
d
a
t
i
o
n
ALL
A
L
L
I
I
X
X
Sulfidation
S
u
l
f
i
d
a
t
i
o
n
ALL
A
L
L
I
I
X
X
Carburization
C
a
r
b
u
r
i
z
a
t
i
o
n
CS/CRA
C
S
/
C
R
A
I
I
X
X
Decarburization
D
e
c
a
r
b
u
r
i
z
a
t
i
o
n
CS/CRA
C
S
/
C
R
A
I
I
X
X
Metal
M
e
t
a
l
Dusting
D
u
s
t
i
n
g
CS/CRA
C
S
/
C
R
A
I
I
X
X
Fuel
F
u
e
l
Ash
A
s
h
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
Nitriding
N
i
t
r
i
d
i
n
g
CS
C
S
I
I
X
X
Environment
E
n
v
i
r
o
n
m
e
n
t
–
–
Assisted
A
s
s
i
s
t
e
d
Cracking
C
r
a
c
k
i
n
g
Chloride
C
h
l
o
r
i
d
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
(Cl-SCC)
(
C
l
-
S
C
C
)
CRA
C
R
A
I/E
I
/
E
X
X
X
X
X
X
X
X
X
X
Corrosion
C
o
r
r
o
s
i
o
n
Fatigue
F
a
t
i
g
u
e
ALL
A
L
L
I
I
X
X
X
X
Caustic
C
a
u
s
t
i
c
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
(Caustic
(
C
a
u
s
t
i
c
Embrittlement)
E
m
b
r
i
t
t
l
e
m
e
n
t
)
CS
C
S
I
I
X
X
Ammonia
A
m
m
o
n
i
a
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
CS
C
S
I
I
X
X
Liquid
L
i
q
u
i
d
Metal
M
e
t
a
l
Embrittlement
E
m
b
r
i
t
t
l
e
m
e
n
t
(LME)
(
L
M
E
)
CS/CRA
C
S
/
C
R
A
I/E
I
/
E
X
X
Hydrogen
H
y
d
r
o
g
e
n
Embrittlement
E
m
b
r
i
t
t
l
e
m
e
n
t
(HE)
(
H
E
)
CS/CRA
C
S
/
C
R
A
I/E
I
/
E
X
X
X
X
X
X
X
X
Ethanol
E
t
h
a
n
o
l
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
(SCC)
(
S
C
C
)
CS
C
S
I
I
X
X
Sulfate
S
u
l
f
a
t
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
CS/CRA
C
S
/
C
R
A
I
I
X
X
Other
O
t
h
e
r
Mechanisms
M
e
c
h
a
n
i
s
m
s
Materials
M
a
t
e
r
i
a
l
s
Ageing
A
g
e
i
n
g
NON
N
O
N
METAL
M
E
T
A
L
I
I
X
X
X
X
X
X
X
X
X
X
X
X
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
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p
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quali
q
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a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
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r
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y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
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e
s
other
o
t
h
e
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than
t
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a
n
those
t
h
o
s
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for
f
o
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which
w
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i
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it
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has
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a
s
been
b
e
e
n
sent.
s
e
n
t
.
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p
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02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
27
2
7
of
o
f
31
3
1
Damage
D
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
that
t
h
a
t
are
a
r
e
specific
s
p
e
c
i
f
i
c
to
t
o
the
t
h
e
refining
r
e
f
i
n
i
n
g
and
a
n
d
petrochemical
p
e
t
r
o
c
h
e
m
i
c
a
l
industries
i
n
d
u
s
t
r
i
e
s
Material
M
a
t
e
r
i
a
l
Int
I
n
t
Plant
P
l
a
n
t
Sub
S
u
b
Pip.
P
i
p
.
Naval
N
a
v
a
l
Civil
C
i
v
i
l
Struc
S
t
r
u
c
Affected
A
f
f
e
c
t
e
d
Ext
E
x
t
Uniform
U
n
i
f
o
r
m
or
o
r
Localized
L
o
c
a
l
i
z
e
d
Loss
L
o
s
s
in
i
n
Thickness
T
h
i
c
k
n
e
s
s
Phenomena
P
h
e
n
o
m
e
n
a
Amine
A
m
i
n
e
Corrosion
C
o
r
r
o
s
i
o
n
CS
C
S
I
I
X
X
Ammonium
A
m
m
o
n
i
u
m
Bisulfide
B
i
s
u
l
f
i
d
e
Corrosion
C
o
r
r
o
s
i
o
n
(Alkaline
(
A
l
k
a
l
i
n
e
Sour
S
o
u
r
Water)
W
a
t
e
r
)
CS
C
S
I
I
X
X
Ammonium
A
m
m
o
n
i
u
m
Chloride
C
h
l
o
r
i
d
e
Corrosion
C
o
r
r
o
s
i
o
n
CS
C
S
I
I
X
X
Hydrochloric
H
y
d
r
o
c
h
l
o
r
i
c
Acid
A
c
i
d
(HCl)
(
H
C
l
)
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
High
H
i
g
h
Temp
T
e
m
p
H
H
2
2
/H
/
H
2
2
S
S
Corrosion
C
o
r
r
o
s
i
o
n
CS
C
S
I
I
X
X
Hydrofluoric
H
y
d
r
o
f
l
u
o
r
i
c
(HF)
(
H
F
)
Acid
A
c
i
d
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
Naphthenic
N
a
p
h
t
h
e
n
i
c
Acid
A
c
i
d
Corrosion
C
o
r
r
o
s
i
o
n
(NAC)
(
N
A
C
)
CS/CRA
C
S
/
C
R
A
I
I
X
X
Phenol
P
h
e
n
o
l
(Carbolic
(
C
a
r
b
o
l
i
c
Acid)
A
c
i
d
)
Corrosion
C
o
r
r
o
s
i
o
n
CS/CRA
C
S
/
C
R
A
I
I
X
X
Phosphoric
P
h
o
s
p
h
o
r
i
c
Acid
A
c
i
d
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
Sour
S
o
u
r
Water
W
a
t
e
r
Corrosion
C
o
r
r
o
s
i
o
n
(Acidic)
(
A
c
i
d
i
c
)
CS
C
S
I
I
X
X
Sulfuric
S
u
l
f
u
r
i
c
Acid
A
c
i
d
Corrosion
C
o
r
r
o
s
i
o
n
ALL
A
L
L
I
I
X
X
Aqueous
A
q
u
e
o
u
s
Organic
O
r
g
a
n
i
c
Acid
A
c
i
d
Corrosion
C
o
r
r
o
s
i
o
n
CS
C
S
I
I
X
X
Environment-Assisted
E
n
v
i
r
o
n
m
e
n
t
-
A
s
s
i
s
t
e
d
Cracking
C
r
a
c
k
i
n
g
Polythionic
P
o
l
y
t
h
i
o
n
i
c
Acid
A
c
i
d
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
(PASCC)
(
P
A
S
C
C
)
CS/CRA
C
S
/
C
R
A
I
I
X
X
Amine
A
m
i
n
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
ALL
A
L
L
I
I
X
X
Wet
W
e
t
H
H
2
2
S
S
Damage
D
a
m
a
g
e
(Blistering/HIC/SOHIC/SSC)
(
B
l
i
s
t
e
r
i
n
g
/
H
I
C
/
S
O
H
I
C
/
S
S
C
)
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
Hydrogen
H
y
d
r
o
g
e
n
Stress
S
t
r
e
s
s
Cracking
C
r
a
c
k
i
n
g
-
-
HF
H
F
CS
C
S
I
I
X
X
Carbonate
C
a
r
b
o
n
a
t
e
Stress
S
t
r
e
s
s
Corrosion
C
o
r
r
o
s
i
o
n
Cracking
C
r
a
c
k
i
n
g
(ACSCC)
(
A
C
S
C
C
)
CS
C
S
E
E
X
X
Other
O
t
h
e
r
Mechanisms
M
e
c
h
a
n
i
s
m
s
High
H
i
g
h
Temperature
T
e
m
p
e
r
a
t
u
r
e
Hydrogen
H
y
d
r
o
g
e
n
Attack
A
t
t
a
c
k
(HTHA)
(
H
T
H
A
)
ALL
A
L
L
I
I
X
X
Titanium
T
i
t
a
n
i
u
m
Hydriding
H
y
d
r
i
d
i
n
g
Titanium
T
i
t
a
n
i
u
m
I
I
X
X
Environmental
E
n
v
i
r
o
n
m
e
n
t
a
l
and
a
n
d
External
E
x
t
e
r
n
a
l
Threats
T
h
r
e
a
t
s
Free
F
r
e
e
Span
S
p
a
n
ALL
A
L
L
E
E
X
X
X
X
Landslide
L
a
n
d
s
l
i
d
e
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
Ice
I
c
e
Loads
L
o
a
d
s
ALL
A
L
L
E
E
X
X
X
X
Trawling
T
r
a
w
l
i
n
g
ALL
A
L
L
E
E
X
X
X
X
Vessel
V
e
s
s
e
l
Impact
I
m
p
a
c
t
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
Vandalism
V
a
n
d
a
l
i
s
m
ALL
A
L
L
E
E
X
X
Earthquake
E
a
r
t
h
q
u
a
k
e
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
X
X
Storm
S
t
o
r
m
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
X
X
X
X
Dropped
D
r
o
p
p
e
d
Object
O
b
j
e
c
t
ALL
A
L
L
E
E
X
X
X
X
X
X
Landslide
L
a
n
d
s
l
i
d
e
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
Marine
M
a
r
i
n
e
Growth
G
r
o
w
t
h
ALL
A
L
L
E
E
X
X
X
X
X
X
X
X
X
X
Anchor
A
n
c
h
o
r
ALL
A
L
L
E
E
X
X
Temperature
T
e
m
p
e
r
a
t
u
r
e
Variations
V
a
r
i
a
t
i
o
n
s
ALL
A
L
L
E
E
X
X
Freeze/Thaw
F
r
e
e
z
e
/
T
h
a
w
Cycle
C
y
c
l
e
Concrete
C
o
n
c
r
e
t
e
E
E
X
X
Structural
S
t
r
u
c
t
u
r
a
l
Threats
T
h
r
e
a
t
s
Global
G
l
o
b
a
l
Buckling
B
u
c
k
l
i
n
g
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
End
E
n
d
Expansion
E
x
p
a
n
s
i
o
n
ALL
A
L
L
I/E
I
/
E
X
X
Static
S
t
a
t
i
c
Overload
O
v
e
r
l
o
a
d
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
On-bottom
O
n
-
b
o
t
t
o
m
Stability
S
t
a
b
i
l
i
t
y
ALL
A
L
L
I/E
I
/
E
X
X
X
X
Pipe
P
i
p
e
Walking
W
a
l
k
i
n
g
ALL
A
L
L
E
E
X
X
Cracking
C
r
a
c
k
i
n
g
Concrete
C
o
n
c
r
e
t
e
E
E
X
X
Fatigue
F
a
t
i
g
u
e
ALL
A
L
L
I/E
I
/
E
X
X
X
X
X
X
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
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eni
e
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i
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p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
28
2
8
of
o
f
31
3
1
8.2
8
.
2
ITEM
I
T
E
M
GROUPING
G
R
O
U
P
I
N
G
The
T
h
e
scope
s
c
o
p
e
of
o
f
this
t
h
i
s
activity
a
c
t
i
v
i
t
y
is
i
s
to
t
o
reduce
r
e
d
u
c
e
the
t
h
e
time
t
i
m
e
required
r
e
q
u
i
r
e
d
to
t
o
perform
p
e
r
f
o
r
m
the
t
h
e
Risk
R
i
s
k
Analysis
A
n
a
l
y
s
i
s
and
a
n
d
also
a
l
s
o
to
t
o
develop
d
e
v
e
l
o
p
an
a
n
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
plan
p
l
a
n
for
f
o
r
a
a
group
g
r
o
u
p
of
o
f
items
i
t
e
m
s
instead
i
n
s
t
e
a
d
of
o
f
a
a
specific
s
p
e
c
i
f
i
c
plan
p
l
a
n
for
f
o
r
each
e
a
c
h
item.
i
t
e
m
.
Grouping
G
r
o
u
p
i
n
g
is
i
s
based
b
a
s
e
d
on
o
n
items
i
t
e
m
s
that
t
h
a
t
are
a
r
e
exposed
e
x
p
o
s
e
d
to
t
o
the
t
h
e
same
s
a
m
e
operating
o
p
e
r
a
t
i
n
g
conditions,
c
o
n
d
i
t
i
o
n
s
,
external
e
x
t
e
r
n
a
l
environment,
e
n
v
i
r
o
n
m
e
n
t
,
made
m
a
d
e
of
o
f
the
t
h
e
same
s
a
m
e
material,
m
a
t
e
r
i
a
l
,
thus
t
h
u
s
having
h
a
v
i
n
g
the
t
h
e
same
s
a
m
e
potential
p
o
t
e
n
t
i
a
l
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms.
m
e
c
h
a
n
i
s
m
s
.
9
9
RISK
R
I
S
K
ANALYSIS
A
N
A
L
Y
S
I
S
Risk
R
i
s
k
analysis
a
n
a
l
y
s
i
s
is
i
s
the
t
h
e
task
t
a
s
k
within
w
i
t
h
i
n
the
t
h
e
RBI
R
B
I
process
p
r
o
c
e
s
s
whose
w
h
o
s
e
outputs
o
u
t
p
u
t
s
allow
a
l
l
o
w
to
t
o
rank
r
a
n
k
the
t
h
e
items
i
t
e
m
s
analyzed
a
n
a
l
y
z
e
d
based
b
a
s
e
d
on
o
n
their
t
h
e
i
r
level
l
e
v
e
l
of
o
f
risk
r
i
s
k
to
t
o
optimize
o
p
t
i
m
i
z
e
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
activities.
a
c
t
i
v
i
t
i
e
s
.
The
T
h
e
calculation
c
a
l
c
u
l
a
t
i
o
n
of
o
f
risk
r
i
s
k
(R)
(
R
)
involves
i
n
v
o
l
v
e
s
the
t
h
e
determination
d
e
t
e
r
m
i
n
a
t
i
o
n
of
o
f
a
a
probability
p
r
o
b
a
b
i
l
i
t
y
of
o
f
failure
f
a
i
l
u
r
e
(POF)
(
P
O
F
)
combined
c
o
m
b
i
n
e
d
with
w
i
t
h
the
t
h
e
consequence
c
o
n
s
e
q
u
e
n
c
e
of
o
f
failure
f
a
i
l
u
r
e
(COF):
(
C
O
F
)
:
R(t)
R
(
t
)
=
=
Pf
P
f
(t)
(
t
)
x
x
Cf
C
f
-
-
Pf,
P
f
,
POF
P
O
F
is
i
s
a
a
function
f
u
n
c
t
i
o
n
of
o
f
time
t
i
m
e
since
s
i
n
c
e
it
i
t
increases
i
n
c
r
e
a
s
e
s
as
a
s
the
t
h
e
damage
d
a
m
a
g
e
in
i
n
the
t
h
e
component
c
o
m
p
o
n
e
n
t
accumulate
a
c
c
u
m
u
l
a
t
e
with
w
i
t
h
time.
t
i
m
e
.
-
-
Cf,
C
f
,
COF
C
O
F
is
i
s
assumed
a
s
s
u
m
e
d
to
t
o
be
b
e
invariant
i
n
v
a
r
i
a
n
t
as
a
s
a
a
function
f
u
n
c
t
i
o
n
of
o
f
time.
t
i
m
e
.
However,
H
o
w
e
v
e
r
,
significant
s
i
g
n
i
f
i
c
a
n
t
process
p
r
o
c
e
s
s
changes,
c
h
a
n
g
e
s
,
items
i
t
e
m
s
modifications
m
o
d
i
f
i
c
a
t
i
o
n
s
and
a
n
d
installation
i
n
s
t
a
l
l
a
t
i
o
n
of
o
f
active/passive
a
c
t
i
v
e
/
p
a
s
s
i
v
e
protection
p
r
o
t
e
c
t
i
o
n
systems
s
y
s
t
e
m
s
can
c
a
n
result
r
e
s
u
l
t
in
i
n
COF
C
O
F
changes.
c
h
a
n
g
e
s
.
9.1
9
.
1
RISK
R
I
S
K
MATRIX
M
A
T
R
I
X
The
T
h
e
POF
P
O
F
and
a
n
d
COF
C
O
F
are
a
r
e
plotted
p
l
o
t
t
e
d
on
o
n
a
a
risk
r
i
s
k
matrix
m
a
t
r
i
x
to
t
o
show
s
h
o
w
the
t
h
e
Risk
R
i
s
k
level.
l
e
v
e
l
.
It
I
t
is
i
s
possible
p
o
s
s
i
b
l
e
to
t
o
use
u
s
e
different
d
i
f
f
e
r
e
n
t
Risk
R
i
s
k
Matrixes
M
a
t
r
i
x
e
s
to
t
o
show
s
h
o
w
the
t
h
e
level
l
e
v
e
l
of
o
f
risk
r
i
s
k
of
o
f
a
a
single
s
i
n
g
l
e
item
i
t
e
m
or
o
r
a
a
group
g
r
o
u
p
of
o
f
items
i
t
e
m
s
(e.g.
(
e
.
g
.
corrosion
c
o
r
r
o
s
i
o
n
loops,
l
o
o
p
s
,
process
p
r
o
c
e
s
s
units)
u
n
i
t
s
)
depending
d
e
p
e
n
d
i
n
g
on
o
n
the
t
h
e
standard
s
t
a
n
d
a
r
d
used
u
s
e
d
for
f
o
r
the
t
h
e
Risk
R
i
s
k
assessment.
a
s
s
e
s
s
m
e
n
t
.
The
T
h
e
same
s
a
m
e
risk
r
i
s
k
matrix
m
a
t
r
i
x
shall
s
h
a
l
l
be
b
e
used
u
s
e
d
in
i
n
all
a
l
l
the
t
h
e
phases
p
h
a
s
e
s
of
o
f
the
t
h
e
entire
e
n
t
i
r
e
life
l
i
f
e
of
o
f
the
t
h
e
asset
a
s
s
e
t
from
f
r
o
m
the
t
h
e
development
d
e
v
e
l
o
p
m
e
n
t
to
t
o
the
t
h
e
operation.
o
p
e
r
a
t
i
o
n
.
Recommended
R
e
c
o
m
m
e
n
d
e
d
Risk
R
i
s
k
matrix
m
a
t
r
i
x
are
a
r
e
defined
d
e
f
i
n
e
d
in
i
n
each
e
a
c
h
Appendix.
A
p
p
e
n
d
i
x
.
9.2
9
.
2
ACCEPTABLE
A
C
C
E
P
T
A
B
L
E
RISK
R
I
S
K
LEVEL
L
E
V
E
L
At
A
t
the
t
h
e
beginning
b
e
g
i
n
n
i
n
g
of
o
f
each
e
a
c
h
RBI,
R
B
I
,
it
i
t
is
i
s
required
r
e
q
u
i
r
e
d
to
t
o
define
d
e
f
i
n
e
the
t
h
e
Risk
R
i
s
k
Target
T
a
r
g
e
t
or
o
r
Acceptable
A
c
c
e
p
t
a
b
l
e
Risk
R
i
s
k
Level
L
e
v
e
l
in
i
n
compliance
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
Company
C
o
m
p
a
n
y
HSE
H
S
E
requirements
r
e
q
u
i
r
e
m
e
n
t
s
and
a
n
d
Local
L
o
c
a
l
ones.
o
n
e
s
.
The
T
h
e
Risk
R
i
s
k
Target
T
a
r
g
e
t
is
i
s
defined
d
e
f
i
n
e
d
as
a
s
the
t
h
e
maximum
m
a
x
i
m
u
m
level
l
e
v
e
l
acceptable
a
c
c
e
p
t
a
b
l
e
for
f
o
r
continued
c
o
n
t
i
n
u
e
d
operation
o
p
e
r
a
t
i
o
n
without
w
i
t
h
o
u
t
requiring
r
e
q
u
i
r
i
n
g
a
a
mitigating
m
i
t
i
g
a
t
i
n
g
action.
a
c
t
i
o
n
.
Once
O
n
c
e
the
t
h
e
target
t
a
r
g
e
t
has
h
a
s
been
b
e
e
n
met
m
e
t
or
o
r
exceeded,
e
x
c
e
e
d
e
d
,
an
a
n
activity
a
c
t
i
v
i
t
y
such
s
u
c
h
as
a
s
inspection
i
n
s
p
e
c
t
i
o
n
shall
s
h
a
l
l
be
b
e
performed.
p
e
r
f
o
r
m
e
d
.
9.3
9
.
3
RISK
R
I
S
K
ANALYSIS
A
N
A
L
Y
S
I
S
RESULTS
R
E
S
U
L
T
S
The
T
h
e
risk
r
i
s
k
analysis
a
n
a
l
y
s
i
s
allows,
a
l
l
o
w
s
,
for
f
o
r
each
e
a
c
h
evaluated
e
v
a
l
u
a
t
e
d
item,
i
t
e
m
,
to
t
o
position
p
o
s
i
t
i
o
n
the
t
h
e
item
i
t
e
m
in
i
n
the
t
h
e
risk
r
i
s
k
matrix
m
a
t
r
i
x
through
t
h
r
o
u
g
h
the
t
h
e
relevant
r
e
l
e
v
a
n
t
coordinates
c
o
o
r
d
i
n
a
t
e
s
of
o
f
failure
f
a
i
l
u
r
e
likelihood
l
i
k
e
l
i
h
o
o
d
and
a
n
d
consequence,
c
o
n
s
e
q
u
e
n
c
e
,
and
a
n
d
then
t
h
e
n
to
t
o
assign
a
s
s
i
g
n
a
a
risk
r
i
s
k
level.
l
e
v
e
l
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
29
2
9
of
o
f
31
3
1
As
A
s
a
a
result
r
e
s
u
l
t
of
o
f
the
t
h
e
risk
r
i
s
k
analysis
a
n
a
l
y
s
i
s
the
t
h
e
following
f
o
l
l
o
w
i
n
g
information
i
n
f
o
r
m
a
t
i
o
n
is
i
s
provided:
p
r
o
v
i
d
e
d
:
−
−
Expected
E
x
p
e
c
t
e
d
degradation
d
e
g
r
a
d
a
t
i
o
n
mechanisms;
m
e
c
h
a
n
i
s
m
s
;
−
−
Expected
E
x
p
e
c
t
e
d
damage
d
a
m
a
g
e
morphologies;
m
o
r
p
h
o
l
o
g
i
e
s
;
−
−
Localization
L
o
c
a
l
i
z
a
t
i
o
n
of
o
f
the
t
h
e
attacks
a
t
t
a
c
k
s
(e.g.
(
e
.
g
.
Bottom-of-line
B
o
t
t
o
m
-
o
f
-
l
i
n
e
for
f
o
r
CO2
C
O
2
corrosion;
c
o
r
r
o
s
i
o
n
;
elbows
e
l
b
o
w
s
for
f
o
r
erosion-
e
r
o
s
i
o
n
-
corrosion,
c
o
r
r
o
s
i
o
n
,
etc.);
e
t
c
.
)
;
−
−
Risk
R
i
s
k
level
l
e
v
e
l
with
w
i
t
h
relative
r
e
l
a
t
i
v
e
POF
P
O
F
and
a
n
d
COF;
C
O
F
;
−
−
Ranking
R
a
n
k
i
n
g
by
b
y
risk
r
i
s
k
classes
c
l
a
s
s
e
s
for
f
o
r
homogeneous
h
o
m
o
g
e
n
e
o
u
s
items
i
t
e
m
s
(e.g.
(
e
.
g
.
Vessels
V
e
s
s
e
l
s
and
a
n
d
pipework
p
i
p
e
w
o
r
k
for
f
o
r
homogeneous
h
o
m
o
g
e
n
e
o
u
s
process
p
r
o
c
e
s
s
units).
u
n
i
t
s
)
.
The
T
h
e
above
a
b
o
v
e
information
i
n
f
o
r
m
a
t
i
o
n
is
i
s
used
u
s
e
d
in
i
n
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
planning
p
l
a
n
n
i
n
g
step
s
t
e
p
of
o
f
the
t
h
e
RBI
R
B
I
process.
p
r
o
c
e
s
s
.
10
1
0
INSPECTION,
I
N
S
P
E
C
T
I
O
N
,
MONITORING
M
O
N
I
T
O
R
I
N
G
AND
A
N
D
TEST
T
E
S
T
PLANNING
P
L
A
N
N
I
N
G
EXECUTION
E
X
E
C
U
T
I
O
N
10.1
1
0
.
1
INSPECTION
I
N
S
P
E
C
T
I
O
N
PLAN
P
L
A
N
Planning
P
l
a
n
n
i
n
g
is
i
s
the
t
h
e
key
k
e
y
task
t
a
s
k
of
o
f
RBI
R
B
I
process,
p
r
o
c
e
s
s
,
aimed
a
i
m
e
d
to
t
o
establish
e
s
t
a
b
l
i
s
h
the
t
h
e
requirements
r
e
q
u
i
r
e
m
e
n
t
s
for
f
o
r
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
execution.
e
x
e
c
u
t
i
o
n
.
The
T
h
e
following
f
o
l
l
o
w
i
n
g
minimum
m
i
n
i
m
u
m
information
i
n
f
o
r
m
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
the
t
h
e
Plan:
P
l
a
n
:
−
−
Ranking
R
a
n
k
i
n
g
of
o
f
items
i
t
e
m
s
based
b
a
s
e
d
on
o
n
risk
r
i
s
k
class;
c
l
a
s
s
;
−
−
Selection,
S
e
l
e
c
t
i
o
n
,
for
f
o
r
each
e
a
c
h
type
t
y
p
e
of
o
f
item
i
t
e
m
(vessels,
(
v
e
s
s
e
l
s
,
pipework,
p
i
p
e
w
o
r
k
,
etc.),
e
t
c
.
)
,
of
o
f
the
t
h
e
methods
m
e
t
h
o
d
s
and
a
n
d
technologies
t
e
c
h
n
o
l
o
g
i
e
s
to
t
o
be
b
e
applied;
a
p
p
l
i
e
d
;
−
−
Extent
E
x
t
e
n
t
and
a
n
d
coverage;
c
o
v
e
r
a
g
e
;
−
−
General
G
e
n
e
r
a
l
requirements
r
e
q
u
i
r
e
m
e
n
t
s
for
f
o
r
execution;
e
x
e
c
u
t
i
o
n
;
−
−
Schedule;
S
c
h
e
d
u
l
e
;
−
−
WSE
W
S
E
(written
(
w
r
i
t
t
e
n
scheme
s
c
h
e
m
e
of
o
f
examination)
e
x
a
m
i
n
a
t
i
o
n
)
for
f
o
r
critical
c
r
i
t
i
c
a
l
equipment
e
q
u
i
p
m
e
n
t
(e.g.
(
e
.
g
.
Equipment
E
q
u
i
p
m
e
n
t
analysed
a
n
a
l
y
s
e
d
with
w
i
t
h
a
a
quantitative
q
u
a
n
t
i
t
a
t
i
v
e
approach
a
p
p
r
o
a
c
h
in
i
n
the
t
h
e
RBI
R
B
I
analysis);
a
n
a
l
y
s
i
s
)
;
−
−
Reporting
R
e
p
o
r
t
i
n
g
requirements.
r
e
q
u
i
r
e
m
e
n
t
s
.
In
I
n
every
e
v
e
r
y
appendix
a
p
p
e
n
d
i
x
of
o
f
this
t
h
i
s
standard
s
t
a
n
d
a
r
d
the
t
h
e
applicable
a
p
p
l
i
c
a
b
l
e
and
a
n
d
recommended
r
e
c
o
m
m
e
n
d
e
d
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
methods
m
e
t
h
o
d
s
are
a
r
e
described.
d
e
s
c
r
i
b
e
d
.
11
1
1
RESULTS
R
E
S
U
L
T
S
EVALUATION
E
V
A
L
U
A
T
I
O
N
11.1
1
1
.
1
INSPECTION
I
N
S
P
E
C
T
I
O
N
RESULTS
R
E
S
U
L
T
S
ANALYSIS
A
N
A
L
Y
S
I
S
Results
R
e
s
u
l
t
s
of
o
f
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
shall
s
h
a
l
l
be
b
e
adequately
a
d
e
q
u
a
t
e
l
y
validated
v
a
l
i
d
a
t
e
d
and
a
n
d
compliance
c
o
m
p
l
i
a
n
c
e
with
w
i
t
h
inspection
i
n
s
p
e
c
t
i
o
n
plans.
p
l
a
n
s
.
In
I
n
case
c
a
s
e
of
o
f
deviations,
d
e
v
i
a
t
i
o
n
s
,
for
f
o
r
instance,
i
n
s
t
a
n
c
e
,
due
d
u
e
to
t
o
impossibility
i
m
p
o
s
s
i
b
i
l
i
t
y
to
t
o
perform
p
e
r
f
o
r
m
inspections
i
n
s
p
e
c
t
i
o
n
s
in
i
n
some
s
o
m
e
areas
a
r
e
a
s
(e.g.
(
e
.
g
.
presence
p
r
e
s
e
n
c
e
of
o
f
obstacles;
o
b
s
t
a
c
l
e
s
;
inaccessibility;
i
n
a
c
c
e
s
s
i
b
i
l
i
t
y
;
etc.),
e
t
c
.
)
,
this
t
h
i
s
shall
s
h
a
l
l
be
b
e
recorded.
r
e
c
o
r
d
e
d
.
The
T
h
e
results
r
e
s
u
l
t
s
shall
s
h
a
l
l
be
b
e
available
a
v
a
i
l
a
b
l
e
in
i
n
a
a
convenient
c
o
n
v
e
n
i
e
n
t
format,
f
o
r
m
a
t
,
depending
d
e
p
e
n
d
i
n
g
on
o
n
the
t
h
e
type
t
y
p
e
of
o
f
NDT
N
D
T
methods
m
e
t
h
o
d
s
that
t
h
a
t
can
c
a
n
be
b
e
easily
e
a
s
i
l
y
uploaded
u
p
l
o
a
d
e
d
into
i
n
t
o
an
a
n
IDMS.
I
D
M
S
.
Complete
C
o
m
p
l
e
t
e
and
a
n
d
univocal
u
n
i
v
o
c
a
l
indications
i
n
d
i
c
a
t
i
o
n
s
shall
s
h
a
l
l
be
b
e
reported
r
e
p
o
r
t
e
d
of:
o
f
:
-
Item
I
t
e
m
tag
t
a
g
number;
n
u
m
b
e
r
;
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
30
3
0
of
o
f
31
3
1
-
Inspection
I
n
s
p
e
c
t
i
o
n
positions;
p
o
s
i
t
i
o
n
s
;
-
Time
T
i
m
e
of
o
f
inspection;
i
n
s
p
e
c
t
i
o
n
;
-
Instrumentation
I
n
s
t
r
u
m
e
n
t
a
t
i
o
n
employed;
e
m
p
l
o
y
e
d
;
-
NDT
N
D
T
operator;
o
p
e
r
a
t
o
r
;
-
Any
A
n
y
other
o
t
h
e
r
useful
u
s
e
f
u
l
information.
i
n
f
o
r
m
a
t
i
o
n
.
Results
R
e
s
u
l
t
s
shall
s
h
a
l
l
be
b
e
analyzed
a
n
a
l
y
z
e
d
and
a
n
d
compared
c
o
m
p
a
r
e
d
with
w
i
t
h
RBI
R
B
I
analysis.
a
n
a
l
y
s
i
s
.
In
I
n
particular,
p
a
r
t
i
c
u
l
a
r
,
for
f
o
r
each
e
a
c
h
item,
i
t
e
m
,
the
t
h
e
predicted
p
r
e
d
i
c
t
e
d
damage
d
a
m
a
g
e
mechanisms
m
e
c
h
a
n
i
s
m
s
forms
f
o
r
m
s
and
a
n
d
their
t
h
e
i
r
severity
s
e
v
e
r
i
t
y
shall
s
h
a
l
l
be
b
e
confirmed
c
o
n
f
i
r
m
e
d
through
t
h
r
o
u
g
h
inspection,
i
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
results.
r
e
s
u
l
t
s
.
11.2
1
1
.
2
DEFECTS
D
E
F
E
C
T
S
EVALUATION:
E
V
A
L
U
A
T
I
O
N
:
ACCEPTANCE,
A
C
C
E
P
T
A
N
C
E
,
REPAIR
R
E
P
A
I
R
OR
O
R
REPLACEMENT
R
E
P
L
A
C
E
M
E
N
T
Defect
D
e
f
e
c
t
analysis
a
n
a
l
y
s
i
s
shall
s
h
a
l
l
be
b
e
carried
c
a
r
r
i
e
d
out
o
u
t
using
u
s
i
n
g
applicable
a
p
p
l
i
c
a
b
l
e
standard,
s
t
a
n
d
a
r
d
,
for
f
o
r
instance,
i
n
s
t
a
n
c
e
,
API-RP-579
A
P
I
-
R
P
-
5
7
9
(Ref.
(
R
e
f
.
/5/)
/
5
/
)
which
w
h
i
c
h
provides
p
r
o
v
i
d
e
s
guidance
g
u
i
d
a
n
c
e
for
f
o
r
conducting
c
o
n
d
u
c
t
i
n
g
Fitness-for-Service
F
i
t
n
e
s
s
-
f
o
r
-
S
e
r
v
i
c
e
assessment
a
s
s
e
s
s
m
e
n
t
for
f
o
r
in-service
i
n
-
s
e
r
v
i
c
e
pressurized
p
r
e
s
s
u
r
i
z
e
d
items
i
t
e
m
s
containing
c
o
n
t
a
i
n
i
n
g
a
a
flaw
f
l
a
w
or
o
r
damage.
d
a
m
a
g
e
.
The
T
h
e
scope
s
c
o
p
e
of
o
f
the
t
h
e
analysis
a
n
a
l
y
s
i
s
is
i
s
to
t
o
define
d
e
f
i
n
e
if:
i
f
:
−
−
A
A
defect
d
e
f
e
c
t
is
i
s
acceptable
a
c
c
e
p
t
a
b
l
e
at
a
t
design
d
e
s
i
g
n
conditions;
c
o
n
d
i
t
i
o
n
s
;
−
−
A
A
defect
d
e
f
e
c
t
is
i
s
acceptable
a
c
c
e
p
t
a
b
l
e
after
a
f
t
e
r
de-rating
d
e
-
r
a
t
i
n
g
of
o
f
the
t
h
e
item;
i
t
e
m
;
−
−
A
A
defect
d
e
f
e
c
t
is
i
s
not
n
o
t
acceptable
a
c
c
e
p
t
a
b
l
e
and
a
n
d
shall
s
h
a
l
l
be
b
e
repaired;
r
e
p
a
i
r
e
d
;
−
−
A
A
defect
d
e
f
e
c
t
is
i
s
not
n
o
t
acceptable,
a
c
c
e
p
t
a
b
l
e
,
and
a
n
d
the
t
h
e
item
i
t
e
m
shall
s
h
a
l
l
be
b
e
abandoned
a
b
a
n
d
o
n
e
d
and
a
n
d
replaced.
r
e
p
l
a
c
e
d
.
11.3
1
1
.
3
RE-EVALUATION
R
E
-
E
V
A
L
U
A
T
I
O
N
Inspection,
I
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
testing
t
e
s
t
i
n
g
results
r
e
s
u
l
t
s
represent
r
e
p
r
e
s
e
n
t
feed
f
e
e
d
information
i
n
f
o
r
m
a
t
i
o
n
for
f
o
r
the
t
h
e
next
n
e
x
t
RBI
R
B
I
assessment.
a
s
s
e
s
s
m
e
n
t
.
In
I
n
the
t
h
e
case
c
a
s
e
of
o
f
criticality
c
r
i
t
i
c
a
l
i
t
y
resulting
r
e
s
u
l
t
i
n
g
from
f
r
o
m
the
t
h
e
inspection
i
n
s
p
e
c
t
i
o
n
activities
a
c
t
i
v
i
t
i
e
s
that
t
h
a
t
have
h
a
v
e
an
a
n
impact
i
m
p
a
c
t
on
o
n
the
t
h
e
calculated
c
a
l
c
u
l
a
t
e
d
Risk,
R
i
s
k
,
it
i
t
is
i
s
necessary
n
e
c
e
s
s
a
r
y
to
t
o
assess
a
s
s
e
s
s
the
t
h
e
proper
p
r
o
p
e
r
actions
a
c
t
i
o
n
s
to
t
o
be
b
e
implemented
i
m
p
l
e
m
e
n
t
e
d
to
t
o
remain
r
e
m
a
i
n
below
b
e
l
o
w
the
t
h
e
Risk
R
i
s
k
Target.
T
a
r
g
e
t
.
The
T
h
e
possible
p
o
s
s
i
b
l
e
actions
a
c
t
i
o
n
s
could
c
o
u
l
d
be:
b
e
:
-
Item
I
t
e
m
replacement;
r
e
p
l
a
c
e
m
e
n
t
;
-
Item
I
t
e
m
repair;
r
e
p
a
i
r
;
-
Change
C
h
a
n
g
e
of
o
f
material;
m
a
t
e
r
i
a
l
;
-
Change
C
h
a
n
g
e
of
o
f
operating
o
p
e
r
a
t
i
n
g
conditions;
c
o
n
d
i
t
i
o
n
s
;
-
Implementing
I
m
p
l
e
m
e
n
t
i
n
g
a
a
system
s
y
s
t
e
m
to
t
o
reduce
r
e
d
u
c
e
the
t
h
e
consequence
c
o
n
s
e
q
u
e
n
c
e
of
o
f
failure.
f
a
i
l
u
r
e
.
Accordingly,
A
c
c
o
r
d
i
n
g
l
y
,
the
t
h
e
database
d
a
t
a
b
a
s
e
of
o
f
the
t
h
e
asset
a
s
s
e
t
under
u
n
d
e
r
evaluation
e
v
a
l
u
a
t
i
o
n
shall
s
h
a
l
l
be
b
e
updated
u
p
d
a
t
e
d
with
w
i
t
h
the
t
h
e
results.
r
e
s
u
l
t
s
.
Re-assessment
R
e
-
a
s
s
e
s
s
m
e
n
t
have
h
a
v
e
an
a
n
impact
i
m
p
a
c
t
on:
o
n
:
−
−
Attribution
A
t
t
r
i
b
u
t
i
o
n
of
o
f
risk
r
i
s
k
class,
c
l
a
s
s
,
or
o
r
criticality;
c
r
i
t
i
c
a
l
i
t
y
;
−
−
Inspection,
I
n
s
p
e
c
t
i
o
n
,
monitoring
m
o
n
i
t
o
r
i
n
g
and
a
n
d
test
t
e
s
t
intervals.
i
n
t
e
r
v
a
l
s
.
12
1
2
IDMS
I
D
M
S
The
T
h
e
inspection
i
n
s
p
e
c
t
i
o
n
plan,
p
l
a
n
,
RBI
R
B
I
results
r
e
s
u
l
t
s
and
a
n
d
WSE
W
S
E
shall
s
h
a
l
l
be
b
e
uploaded
u
p
l
o
a
d
e
d
into
i
n
t
o
an
a
n
IDMS
I
D
M
S
(Ref.
(
R
e
f
.
/37/)
/
3
7
/
)
before
b
e
f
o
r
e
the
t
h
e
handover
h
a
n
d
o
v
e
r
to
t
o
Operation.
O
p
e
r
a
t
i
o
n
.
ENGINEERING
E
N
G
I
N
E
E
R
I
N
G
COMPANY
C
O
M
P
A
N
Y
STANDARD
S
T
A
N
D
A
R
D
Documento
D
o
c
u
m
e
n
t
o
riservato
r
i
s
e
r
v
a
t
o
di
d
i
proprietà
p
r
o
p
r
i
e
t
à
di
d
i
Eni
E
n
i
spa.
s
p
a
.
Esso
E
s
s
o
non
n
o
n
sarà
s
a
r
à
mostrato
m
o
s
t
r
a
t
o
a
a
terzi
t
e
r
z
i
né
n
é
utilizzato
u
t
i
l
i
z
z
a
t
o
per
p
e
r
scopi
s
c
o
p
i
diversi
d
i
v
e
r
s
i
da
d
a
quelli
q
u
e
l
l
i
per
p
e
r
i
i
quali
q
u
a
l
i
è
è
stato
s
t
a
t
o
inviato.
i
n
v
i
a
t
o
.
This
T
h
i
s
document
d
o
c
u
m
e
n
t
is
i
s
property
p
r
o
p
e
r
t
y
of
o
f
Eni
E
n
i
spa.
s
p
a
.
It
I
t
shall
s
h
a
l
l
neither
n
e
i
t
h
e
r
be
b
e
shown
s
h
o
w
n
to
t
o
third
t
h
i
r
d
parties
p
a
r
t
i
e
s
nor
n
o
r
used
u
s
e
d
for
f
o
r
purposes
p
u
r
p
o
s
e
s
other
o
t
h
e
r
than
t
h
a
n
those
t
h
o
s
e
for
f
o
r
which
w
h
i
c
h
it
i
t
has
h
a
s
been
b
e
e
n
sent.
s
e
n
t
.
granularity=word tetml={elements={line} glyphdetails={all}} contentanalysis={punctuationbreaks=false dehyphenate=false shadowdetect=false} layoutanalysis={tabledetect=0 layoutdetect=3} structureanalysis={list=true}
eni
e
n
i
spa
s
p
a
02961.ENG.COR.PRG
0
2
9
6
1
.
E
N
G
.
C
O
R
.
P
R
G
Rev.
R
e
v
.
01
0
1
–
–
November
N
o
v
e
m
b
e
r
2020
2
0
2
0
Pag.
P
a
g
.
31
3
1
of
o
f
31
3
1
An
A
n
Inspection
I
n
s
p
e
c
t
i
o
n
Data
D
a
t
a
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
(IDMS)
(
I
D
M
S
)
is
i
s
a
a
software
s
o
f
t
w
a
r
e
program
p
r
o
g
r
a
m
utilized
u
t
i
l
i
z
e
d
to
t
o
organize
o
r
g
a
n
i
z
e
data
d
a
t
a
related
r
e
l
a
t
e
d
to
t
o
a
a
facility’s
f
a
c
i
l
i
t
y
’
s
fixed
f
i
x
e
d
equipment
e
q
u
i
p
m
e
n
t
inspection
i
n
s
p
e
c
t
i
o
n
regime.
r
e
g
i
m
e
.
IDMS
I
D
M
S
software
s
o
f
t
w
a
r
e
focuses
f
o
c
u
s
e
s
on
o
n
two
t
w
o
primary
p
r
i
m
a
r
y
tasks.
t
a
s
k
s
.
The
T
h
e
first
f
i
r
s
t
is
i
s
creating
c
r
e
a
t
i
n
g
and
a
n
d
keeping
k
e
e
p
i
n
g
track
t
r
a
c
k
of
o
f
inspection
i
n
s
p
e
c
t
i
o
n
schedules
s
c
h
e
d
u
l
e
s
for
f
o
r
various
v
a
r
i
o
u
s
equipment.
e
q
u
i
p
m
e
n
t
.
The
T
h
e
second
s
e
c
o
n
d
is
i
s
to
t
o
record
r
e
c
o
r
d
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
each
e
a
c
h
inspection
i
n
s
p
e
c
t
i
o
n
for
f
o
r
later
l
a
t
e
r
review
r
e
v
i
e
w
and
a
n
d
analysis.
a
n
a
l
y
s
i
s
.
The
T
h
e
IDMS
I
D
M
S
should
s
h
o
u
l
d
also
a
l
s
o
incorporate
i
n
c
o
r
p
o
r
a
t
e
a
a
Risk-Based
R
i
s
k
-
B
a
s
e
d
Inspection
I
n
s
p
e
c
t
i
o
n
(RBI)
(
R
B
I
)
tools
t
o
o
l
s
to
t
o
perform
p
e
r
f
o
r
m
analysis
a
n
a
l
y
s
i
s
using
u
s
i
n
g
the
t
h
e
results
r
e
s
u
l
t
s
of
o
f
the
t
h
e
inspections
i
n
s
p
e
c
t
i
o
n
s
activities.
a
c
t
i
v
i
t
i
e
s
.
The
T
h
e
IDMS
I
D
M
S
should
s
h
o
u
l
d
also
a
l
s
o
be
b
e
connected
c
o
n
n
e
c
t
e
d
to
t
o
the
t
h
e
Computerized
C
o
m
p
u
t
e
r
i
z
e
d
Maintenance
M
a
i
n
t
e
n
a
n
c
e
Management
M
a
n
a
g
e
m
e
n
t
System
S
y
s
t
e
m
(CMMS)
(
C
M
M
S
)
used
u
s
e
d
by
b
y
the
t
h
e
operator
o
p
e
r
a
t
o
r
to
t
o
manage
m
a
n
a
g
e
the
t
h
e
work
w
o
r
k
orders
o
r
d
e
r
s
for
f
o
r
the
t
h
e
Inspection
I
n
s
p
e
c
t
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ENGINEERING
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I
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COMPANY
C
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P
A
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Y
STANDARD
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T
A
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D
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Documento
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o
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u
m
e
n
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riservato
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e
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v
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di
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proprietà
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p
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à
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Esso
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mostrato
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terzi
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per
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scopi
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quelli
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p
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è
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stato
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inviato.
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.
This
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document
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is
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property
p
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p
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be
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sent.
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.
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