477/ Dynamic Positioning Operations / 992
Dy
na
m
ic
P
ositionin
g
O
p
erations
BOS-
P
RD-2
6
.900
6
0
6
C
on
d
ition
G
reen
A
d
visor
y
Y
ello
w
R
e
d
Noti
fy m
aster
,
c
h
ie
f
en
g
ineer
,
client re
p (
i
f
on
b
oar
d)
an
d
ri
g/
p
lat
f
or
m
NO
YES
YES
YES
Action
C
ontin
u
e nor
m
al
o
p
erations
In
f
or
m
ative
/
cons
u
ltative
stat
u
s
(
risk
assess
m
ent
)
S
a
f
el
y
ter
m
inate
o
p
erations an
d b
e
rea
dy
to
m
ove o
ff
.
V
essel to sa
f
e
p
osition
an
d
on
j
o
y
stick or
m
an
u
al i
f
a
pp
lica
b
le.
Or
d
erl
y
re
m
oval o
f
t
h
e
vessel
f
ro
m
t
h
e
500m
z
one i
f
necessar
y
C
ease o
p
erations
– leave
500m z
one
i
mm
e
d
iatel
y
P
os
i
t
i
on
references
A
ll
fu
ll
y operat
i
ona
l
and
ver
i
f
i
ed there
i
s no
conf
li
ct between
re
l
at
i
ve
and abso
l
ute pos
i
t
i
on
reference systems due
to movement of
ref
l
ector, ref
l
ect
i
ve
c
l
oth
i
ng etc
.
on the
p
l
atform
Any a
l
arms or
poor performance
O
n
l
y one rema
i
n
i
ng
Head
i
ng sensors (gyro)
A
ll
three gyros enab
l
ed Gyro a
l
arms,
l
oss of
one gyro
Fa
il
ure of two gyros
W
i
nd sensors
B
oth ava
il
ab
l
e
M
i
smatch a
l
arm or
l
oss
of e
i
ther w
i
nd sensor
B
oth w
i
nd sensors
fa
il
ure
and gust
d
i
t
i
V
R
Us/M
R
Us
B
oth un
i
ts ava
il
ab
l
e
M
i
smatch a
l
arm or
l
oss
of one un
i
t
L
oss of two un
i
ts
L
oss or prob
l
em w
i
th
any essent
i
a
l
commun
i
cat
i
ons
(eng
i
ne contro
l
room/dec
k
/ p
l
atform)
R
edundant
commun
i
cat
i
o
ns
O
ne system rema
i
n
i
ng
N
o commun
i
cat
i
ons
Mach
i
nery vent
il
at
i
on
and a
i
r cond
i
t
i
on
i
ng
O
perat
i
ona
l
vent
il
at
i
on and a
i
r
cond
i
t
i
on
i
ng
Any
reduced vent
il
at
i
on
or a
i
r cond
i
t
i
on
R
educed vent
il
at
i
on or
a
i
r cond
i
t
i
on
i
ng
resu
l
t
i
ng
i
n power
red ct
i
on
S
tart
i
ng a
i
r
N
o a
l
arm
Any a
l
arm
F
i
re
N
o f
i
re or act
i
ve a
l
arms Any
f
i
re a
l
arm
F
i
re conf
i
rmed
F
l
ood
N
o b
il
ge a
l
arms act
i
ve,
no f
l
ood
i
ng
Mu
l
t
i
p
l
e b
il
ge a
l
arms
F
l
ood conf
i
rmed
V
i
s
i
b
ili
ty
D
ay
li
ght w
i
th
good v
i
s
i
b
ili
ty
Any other cond
i
t
i
on
Co
lli
s
i
on (errant
vesse
l
s)
N
o co
lli
s
i
on
i
mm
i
nent/
m
i
n
i
mum approach
>
5
00
M
i
n
i
mum approach w
ill
be
<
5
00
m
I
f co
lli
s
i
on poss
i
b
l
e
Co
lli
s
i
on
i
mm
i
nent
Change from green
D
P
status of any other
vesse
l i
n
the
f
i
e
l
d
Green
Adv
i
sory
Adv
i
sory
Adv
i
sory
Comms/
i
nteract
i
on
w
i
th other vesse
l
s
Vesse
l
s operat
i
ng
norma
ll
y w
i
th no
k
nown
prob
l
ems
Commun
i
cat
i
ons
prob
l
em or poss
i
b
l
e
pos
i
t
i
on conf
li
ct
N
o commun
i
cat
i
ons
or def
i
n
i
te pos
i
t
i
on
conf
li
ct
Comms w
i
th
r
i
g
R
edundant
commun
i
cat
i
o
ns
Commun
i
cat
i
ons prob
l
em
O
ne
commun
i
cat
i
ons
s stem rema
i
n
i
ng
D
P
O
N
ame: Capta
i
n
N
ame: Eng
i
neer
N
ame: Ch
i
ef
Eng
i
neer
N
ame
Vers
i
on
S
F (
BOS-
P
RD-0
7
0
1
.000
6
-
ver
.
C
R
)
.O
r
i
g
i
na
l D
ate:
31/1
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
31 of
44
Procedure prepared by:
BOS
Head
of
O
perat
i
ons
.
Approved
by:
BOS
Head
of
O
perat
i
ons
.
Va
li
dated by:
BOS
Qua
li
ty
R
epresentat
i
ve
.
477