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Dy

na

m

ic

P

ositionin

g

O

p

erations

BOS-

P

RD-2

6

.900

6

0

6

x

T

he

var

i

ab

l

e

li

m

i

ts

i

n e

q

u

i

pment and operat

i

ona

l

parameters

for

the

l

ocat

i

on and

spec

i

f

i

c

act

i

v

i

ty

(

A

SOG);

x

T

he act

i

ons

to

be

ta

k

en by

the

DP

O

i

n

response

to

fau

l

ts

and deter

i

orat

i

n

g

cond

i

t

i

ons

and

performance

i

dent

i

f

i

ed

i

n

the CAM

, T

AM and A

SOG.

Masters

should

ensure

that ad

j

o

i

n

i

n

g

orders

and procedures

cover

i

n

g

pro

j

ect

-

spec

i

f

i

c

operat

i

ona

l

re

q

u

i

rements

shall

be

i

nc

l

uded

i

n

the

document

t

i

t

l

e

b

l

oc

k

to

comp

l

ete

the A

SOG.

U

pon

a

g

reement and mutua

l

acceptance

of

the A

SOG

from

a

ll

sta

k

eho

l

ders

,

the A

SOG

shall

be

cons

i

dered as

a Perm

i

t

to

W

or

k (

P

TW)

or

br

i

d

g

i

n

g

document between

the

c

li

ent

’

s

and

the

BO

U

RBON S

h

i

p Mana

g

ement

O

r

g

an

i

zat

i

ons

’ S

M

S. I

t

shall

be

k

ept up

to

date

throu

g

hout

the

contract per

i

od

. F

urther

g

u

i

dance

re

l

at

i

n

g

to

the

documents

i

n

th

i

s

sect

i

on

i

s

g

i

ven

i

n

the

Dynamic

Positioning Best Practices

.

E

x

amp

l

e of Act

i

v

i

ty

S

pec

i

f

i

c

O

perat

i

n

g

G

u

i

de

li

nes

(

A

SOG)

P

l

ease note that th

i

s e

x

amp

l

e

i

s based upon an A

SOG

where the operator app

li

ed spec

i

f

i

c re

q

u

i

rements

on the vesse

l

and may not necessar

il

y app

l

y to a

ll

cases

.

A

cti

v

it

y Sp

eci

f

ic O

p

eratin

g Gu

i

d

elines –

N

a

m

e o

f L

o

g

istics Vessel

T

h

i

s set

-

up app

li

es when the vesse

l i

s carry

i

n

g

out

D

P supp

l

y operat

i

ons w

i

th

i

n the

5

00

m zone of an offshore fac

ili

ty

C

on

d

ition

G

reen

Adv

isor

y

Y

ello

w

R

e

d

N

oti

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

N

O

YES

YES

YES

A

ction

C

ontin

u

e nor

m

al

o

p

erations

I

n

f

or

m

ati

v

e

/

cons

u

ltati

v

e

stat

u

s

(

ris

k

assess

m

ent

)

S

a

f

el

y

ter

m

inate

o

p

erations an

d b

e

rea

dy

to

m

o

v

e o

ff

.

Vessel to sa

f

e

p

osition an

d

on

j

o

y

stic

k

or

m

an

u

al i

f

a

pp

lica

b

le. Or

d

erl

y

re

m

o

v

al o

f

t

h

e

v

essel

f

ro

m

t

h

e

500m z

one i

f

necessar

y

C

ease o

p

erations

– lea

v

e

500m z

one

i

mm

e

d

iatel

y

W

eather forecast

Wi

th

i

n operat

i

n

g

li

m

i

ts Approach

i

n

g

operat

i

n

g

li

m

i

ts

E

x

ceed

i

n

g

operat

i

ona

l li

m

i

ts

Chec

kli

sts

:

6

H

;

watch

;

5

00

m

Comp

l

eted

N

ot comp

l

eted or

abnorma

li

t

i

es

D

r

i

ve off

A

ll

systems

operat

i

n

g

correct

l

y

I

mmed

i

ate

l

y

when reco

g

n

i

sed

U

nab

l

e to br

i

n

g

vesse

l

under

D

r

i

ft off

A

ll

systems

operat

i

n

g

correct

l

y

I

mmed

i

ate

l

y

when reco

g

n

i

sed

U

nab

l

e to br

i

n

g

vesse

l

under

V

esse

l

footpr

i

nt

/

weather

O

n pos

i

t

i

on

Pos

i

t

i

on

li

m

i

ts reach

3

m

(

1

0

ft

)

Approach

i

n

g 5

m

(

15

ft

)

H

ead

i

n

g

e

x

curs

i

on

O

n head

i

n

g

H

ead

i

n

g

li

m

i

t

reached

3

de

g

rees

Approach

i

n

g 5

de

g

rees

H

ead

i

n

g

and pos

i

t

i

on

contro

l (

thruster

l

oad

/

D

P feedbac

k)

H

ead

i

n

g

and

pos

i

t

i

on contro

l

ach

i

eved w

i

th

Approach

i

n

g 5

0

% More than

5

0

%

S

haft

g

enerators

SG

1

-2 SG

1

and

SG2

on

li

ne

,

A

G

1

and A

G2

standby

.

N

o a

l

arms

Any other set

-

up

or a

l

arms

Any

g

enerator

fa

il

ure

S

haft

g

enerator

l

oads

B

oth

g

enerators <4

5

% Any

SG

approach

i

n

g 5

0

% E

i

ther >

5

0

%

,

or fa

il

ure

of a

g

enerator

D

P

U

P

S

s

N

o

U

P

S i

n bypass

,

no a

l

arm

Any

U

P

S i

n bypass

or a

l

arm

Loss of one

D

P

U

P

S

2

4

V

dc system

A

ll 2

4

V

dc act

i

ve and

fu

ll

y char

g

ed

,

no

Any a

l

arms

Loss of a

2

4

V

dc

system

or char

g

er fa

il

ure

Ma

i

n propu

l

s

i

on

(

dr

i

ve en

g

i

nes and

B

oth enab

l

ed

,

no a

l

arms Any other set

-

up

,

any a

l

arms or poor

Loss of e

i

ther port

or starboard

V

ers

i

on

SF (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

.

V

ers

i

on

D

ate

:

N

/

A

.

V

a

li

d

vers

i

on on

l

y

on

QM

S

s

i

te

.

U

ncontro

ll

ed

document when

pr

i

nted

.

Pa

g

e

29

of

44

Procedure prepared by

:

BOS

H

ead

of

O

perat

i

ons

.

Approved

by

:

BOS

H

ead

of

O

perat

i

ons

.

V

a

li

dated by

:

BOS

Qua

li

ty

R

epresentat

i

ve

.

475