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Dy

na

m

ic

P

ositionin

g

O

p

erations

BOS-

P

RD-2

6

.900

6

0

6

4

.

6

.

4 Qu

alitati

v

e

P

osition

R

isk

A

ssess

m

ent

Var

i

ous

terms are used

throu

g

h

our

i

ndustry by our

c

li

ents

,

but

i

n

th

i

s

procedure

and

the

Dynamic

Positioning Best Practices

conte

x

t

,

P

R

A

(

Pos

i

t

i

on

Ri

s

k

Assessment

) i

s be used as

the

g

ener

i

c

term w

i

thout

spec

i

fy

i

n

g

any methodo

l

o

g

y

such as

:

x

S-

J

S

A

- S

afe

Job Ana

l

ys

i

s

;

x

G-

J

S

A

-

Job

S

afety Ana

l

ys

i

s

;

x

TR

A

- T

as

k Ri

s

k

Assessment

;

x

H

A

ZID -

H

azard

I

dent

i

f

i

cat

i

on

R

ev

i

ew

;

x

H

A

ZO

P

(

1

)

-

H

azard and

O

perab

ili

ty

R

ev

i

ew

;

x

H

IR

A

.

N

OT

E

:

(

1

)

R

ecommended

techn

i

que

:

an A

SOG

cou

l

d

be

seen

as

a purpose

bu

il

t

H

A

ZO

P

for

D

P

operat

i

ons

.

Master

must ensure

that P

R

A are

the

bas

i

s

of

a

ll D

P

operat

i

ons

:

x

S

pec

i

f

i

c

D

P operat

i

ons

;

x

R

out

i

ne

D

P

operat

i

ons

at

the

same offshore

l

ocat

i

on

.

T

he P

R

A

is

be

used

to determ

i

ne whether

a

D

P

operat

i

on

must

be

carr

i

ed

out

i

n CAM/

T

AM

. T

he

ent

i

re P

R

A

must

be

documented

as

to

prov

i

de

ev

i

dence

of

the dec

i

s

i

on ma

ki

n

g

process

. T

he P

R

A

must

ref

l

ect

:

x

T

he

vesse

l

redundancy

capab

ili

ty

;

x

T

he

vesse

l

stat

i

on

-k

eep

i

n

g

capab

ili

ty

(

shall

i

nc

l

ude

the

consequence ana

l

ys

i

s

funct

i

on

of

the

D

P

);

x

T

he

li

m

i

tat

i

ons

of

the

vesse

l i

n

terms

of

pos

i

t

i

on

and

head

i

n

g

chan

g

es

due

to

the

p

l

anned

operat

i

on

;

x

T

he poss

i

b

l

e

consequences

of

l

oss

of

equ

i

pment and/or

pos

i

t

i

on

;

x

T

he

lik

e

l

y

t

i

me

to

restore

the

D

P

system

and/or

br

i

n

g

the

vesse

l

to a

safe

cond

i

t

i

on/

l

ocat

i

on

.

T

o

assure

the

su

i

tab

ili

ty

of

the

P

R

A

,

the

g

u

i

dewords

shown

i

n

the

tab

l

e

be

l

ow

must be

used

as

i

nput

parameter

var

i

ab

l

es

.

Add

i

t

i

ona

l

g

u

i

dewords

are ava

il

ab

l

e

i

n

the

Dynamic Positioning Best Practices

.

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

.

Pa

g

e

2

6 of

44

Procedure prepared by

:

BOS

H

ead

of

O

perat

i

ons

.

Approved

by

:

BOS

H

ead

of

O

perat

i

ons

.

Va

li

dated by

:

BOS

Qua

li

ty

R

epresentat

i

ve

.

472