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Page Background

A

nc

h

or

H

andlin

g

and To

w

in

g

O

p

erations

P

rocedure

BOS-

P

RD-2

6

.900

6

14

4.2.1.6 Recovery 1

st

method

Fi

rst

conf

i

gurat

i

on:

x

T

he

r

i

g

i

s

ab

l

e

to

store

a

ll

the moor

i

ng

li

ne

by

i

tse

l

f

. T

he

r

i

g

i

s

f

i

tted w

i

th

a w

i

re

drum

and

has

cha

i

n

storage

capac

i

t

i

es

and w

il

dcats

.

A. Connecting PCP and chasing line to reach the anchor.

x

Vesse

l

and

crane must agree on wor

k

process

through

r

i

s

k

assessment

.

x

Avo

i

d

s

i

mu

l

taneous

operat

i

on

.

x

A

l

ways

have a Man

O

verboard

(

M

OB)

boat

ready

to be

l

aunched when

crew aft

.

x

K

eep

the

vesse

l i

n

pos

i

t

i

on

unt

il

the PCP

and wor

k

w

i

re are

connected

.

x

D

epend

i

ng

of

the

wor

ki

ng

areas

, i

t

i

s

not

a

ll

owed

to

get

the

w

i

re

soc

k

et

i

n

the

w

i

re

stopper

,

and

cha

i

n

e

x

tens

i

on

(

cha

i

n

ta

il) i

s

re

q

u

i

red

. N

ote

that

a

l

um

i

n

i

um

c

l

amp

should

never

be

put

d

i

rect

l

y

i

n

the w

i

re

stopper

.

x

T

h

i

s

operat

i

on

i

s

dangerous

and

shall

be

carr

i

ed

out w

i

th

e

x

treme

caut

i

on

.

x

A

r

i

g

crane

passes

the

end

of

the PCP

to

the

stern

of

the

anchor

hand

l

er

,

w

i

th

a

spare

s

li

ng

for

the

dec

k

crew

to

catch w

i

th a

boathoo

k.

x

T

h

i

s

s

li

ng

after

be

i

ng

catches w

ill

be

connected

to

the

tugger w

i

re

.

x

T

he

tugger

w

i

nch

operator

hau

l i

n

the

PCP

accord

i

ng

l

y

as

the

crane

l

ower

the

PCP

and

secure

i

t

on

board

i

n

the

w

i

re

stopper

. D

ur

i

ng

th

i

s

operat

i

on

the

tow

i

ng

p

i

ns must

be

open

to

ensure

the

crane w

i

re

to

pass

the

p

i

ns

.

x

W

hen

cha

i

n

ta

il i

s

f

i

tted

to PCP

,

th

i

s

should

be

secured

i

n w

i

re

stopper

i

nstead

of

the PCP

soc

k

et

.

x

W

hen

the PCP

i

s

secured

i

n

the w

i

re

stopper

and

the

safety p

i

n

i

nsta

ll

ed

,

the

dec

k

crew

d

i

sconnect

the

p

i

c

k

up w

i

re

from

the

r

i

g

crane

. I

n

some

cases

the

crane may

be

re

l

eased

pr

i

or

to

secur

i

ng

i

n

w

i

re

stopper

,

however

th

i

s

needs

to be

conf

i

rmed by

r

i

g personne

l.

T

he

dec

k

crew

connects

the wor

k

w

i

re

to

the PCP us

i

ng

an

appropr

i

ate

s

i

zed

shac

kl

e

and

sp

li

t

p

i

n

,

or

other

ade

q

uate

li

n

k. W

or

k

w

i

res

norma

ll

y

come

i

n 5

00

metres

l

ength

,

so

i

f

go

i

ng

beyond

400

metres

water

depth

,

second

wor

k

w

i

re or

i

nsert

should

be

added

.

Vesse

l

can

a

l

so

be

f

i

tted

w

i

th

l

onger wor

k

w

i

re

for

deep

-

sea operat

i

on

.

x

T

he ma

i

n

Winc

h

O

p

erator

t

i

ght up

the wor

k

w

i

re

.

Vers

i

on

SF(BOS-

P

RD-0

7

01.000

5

-

ver

.

C

R). O

r

i

g

i

na

l D

ate:

3

1/12/201

5

.

Vers

i

on

D

ate:

N/

A

.

Va

li

d

vers

i

on

on

l

y on QM

S

s

i

te

.

Page

22

of

60

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

.

598