Dy
na
m
ic
P
ositionin
g
O
p
erations
BOS-
P
RD-2
6
.900
6
0
6
4
.
5
.
6 DP
tec
h
nical
d
oc
um
entation an
d
recor
d
in
g
req
u
ire
m
ents
Tec
h
nical
Sup
erinten
d
ent
shall
k
eep
the
D
P
system
fu
ll
y
techn
i
ca
ll
y
documented
and
updated
throughout
the
vesse
l’
s
li
fe
cyc
l
e
.
Up
to
date
“
as
bu
il
t
”
/
”
as
i
s
”
vesse
l-
spec
i
f
i
c
documentat
i
on
,
draw
i
ngs
and
schemat
i
cs
shall
be
read
il
y ava
il
ab
l
e
the
k
ey
D
P
personne
l
on
board at a
ll
t
i
mes
.
T
he
li
st
cons
i
st
i
ng
of
the
documents
re
l
ated
to
the
D
P
system
wh
i
ch
shall
be
ava
il
ab
l
e
on
board
the
vesse
l
can
be
found
i
n
the
Dynamic Positioning Best Practices
. T
he
“
D
P
Contro
l S
ystem
Manufacturer
D
ocumentat
i
on
”
shall
at
l
east
i
nc
l
ude
:
Manua
l
s
,
draw
i
ngs
, i
nterfaces
;
T
est
i
ng
documentat
i
on
:
F
actory
A
cceptance
T
ests
(F
A
T),
H
arbor
A
cceptance
T
ests
(
HA
T)
and
Customer
A
cceptance
T
ests
(
C
A
T).
F
or
a
ll
the ma
i
n
D
P
contro
l
system
components
(
f
i
gure
3
),
the
documentat
i
on
(
typ
i
ca
ll
y
l
ayout
and
s
i
ng
l
e
li
ne
draw
i
ngs
)
should
i
dent
i
fy/spec
i
fy
:
x
T
he
i
r
phys
i
ca
l l
ocat
i
on on
the
vesse
l;
x
T
he
i
r
cab
l
e
routes
;
x
T
he
i
r
power
supp
l
y
redundancy or
the
redundancy group
to wh
i
ch
they be
l
ong
;
x
T
he
cab
l
e
li
st
and
cab
l
e deta
il
s
;
x
S
ystem
I
nput/
O
utput
(I
/
O)
spec
i
f
i
cat
i
on
;
A
s
i
ng
l
e
f
il
e
shall
be
ma
i
nta
i
ned
w
i
th
sensors
and
Pos
i
t
i
on
R
eference
S
ystem
(
P
RS)
or
i
g
i
ns
re
l
at
i
ve
to
a
vesse
l
common
reference
po
i
nt
and
offsets
of
the
antennas
or
sensor
heads
to
the
vesse
l’
s
center
of
grav
i
ty
used
i
n
D
P
(
the
f
il
e
i
s
to
be
comp
l
emented
by
a
Di
mens
i
ona
l
Contro
l S
urvey
R
eport
for
D
P
vesse
l
s
engaged
i
n
subsea
serv
i
ces
).
I
n
add
i
t
i
on
to
D
P
contro
l
system
documentat
i
on
,
Tec
h
nical
Sup
erinten
d
ent
shall
document
the
i
nterfaces
between
the
D
P
contro
l
system
(i
nc
l
ud
i
ng
sensors
and
P
RS),
the
vesse
l’
s
Power Management
S
ystem
and
thruster
R
C
system
and
they
shall
k
eep
record
of
a
ll
ca
li
brat
i
on
chec
k
s
and
test
i
ng
procedures
(F
A
T
/
HA
T
/
C
A
T)
assoc
i
ated w
i
th
these
systems
.
F
au
l
ts
and
fa
il
ures
,
repa
i
rs
,
ma
i
ntenance
and
mod
i
f
i
cat
i
ons
to
the
D
P
contro
l
system
or
any
of
the
sub
systems
i
n
f
i
gure
3
shall
be
sub
j
ect
to
Management of Change – Risk Analysis
anne
x
ed
by
an
Equipment
Change Report
(
when
appropr
i
ate
)
and
be
recorded
i
n
the
PM
S.
A
comprehens
i
ve
overv
i
ew
of
the
D
P
re
li
ab
ili
ty
shall
be
cont
i
nuous
l
y
assessed
v
i
a
the
PM
S
and
made
ava
il
ab
l
e
to
c
li
ents
and
or
surveyors
i
f
re
q
u
i
red
.
4
.
6 Ph
iloso
phy
on
DP
o
p
eration
T
he
safety
of
a
D
P
operat
i
on
i
s
character
i
zed
by
two
k
ey
parameters
:
the
reduct
i
on
of
r
i
s
k
through
a
reduct
i
on
i
n
fau
l
t probab
ili
ty
l
ead
i
ng
to
a
L
oss
of
Pos
i
t
i
on
(LO
P
)
event
and
the
i
mprovement
of
the
t
i
me
needed
to
recover
stat
i
on
-k
eep
i
ng
contro
l
when a
LO
P
event
has
occurred
.
A
s
such
,
the success
of
a
D
P
re
l
ated
operat
i
on
i
s
l
arge
l
y
dependent
on
the
awareness
of
r
i
s
k
and
on
the
q
ua
li
ty of
D
P
procedures
and
D
P Emergency
R
esponse
(
E
R)
p
l
ann
i
ng
.
Vers
i
on
SF (BOS-
P
RD-0
7
0
1
.000
6
-
ver
.
C
R).O
r
i
g
i
na
l D
ate
:
3
1/1
2
/
20
15
.
Vers
i
on
D
ate
:
N
/
A
.
Va
li
d
vers
i
on
on
l
y
on
QM
S
s
i
te
.
Uncontro
ll
ed
document
when
pr
i
nted
.
Page
18 of
44
Procedure prepared by
:
BOS
H
ead
of
O
perat
i
ons
.
A
pproved
by
:
BOS
H
ead
of
O
perat
i
ons
.
Va
li
dated by
:
BOS
Qua
li
ty
R
epresentat
i
ve
.
464




