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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

T

h

i

s w

ill

g

i

ve

deta

il

s

i

nc

l

ud

i

ng

stra

i

ns

and w

i

re

l

engths

from w

i

nches

.

x

CC

T

V

–

coverage

of

the

wor

ki

ng

dec

k

as

a

m

i

n

i

mum

.

E

q

u

i

pment

should

be

set

to

record

,

preferab

l

y

on

l

oop

,

before

start

i

ng

any

operat

i

on

. I

n

the

event

of

any

i

nc

i

dent

the

recorded

data

i

s

to be

preserved

.

x

Voyage

D

ata

R

ecorder

(

V

DR) –

where

one

of

these

i

s

f

i

tted

i

t w

ill

automat

i

ca

ll

y mon

i

tor

the

sh

i

p

’

s

pos

i

t

i

on

and

br

i

dge

cond

i

t

i

on

but maybe

on

l

y

for

12

hours

on

a

cont

i

nuous

l

oop

. I

n

the

event

of

any

i

nc

i

dent

i

t

i

s

i

mportant

to ensure

that

the

data

i

s

recorded before

12

hours

has

e

l

apsed

.

x

E

l

ectron

i

c

chart

d

i

sp

l

ay

–

these

can be

set

to

record

trac

k

s

of

a number

of

vesse

l

s

.

x

Echo

sounder

–

th

i

s

k

eeps

pos

i

t

i

on

i

nformat

i

on

.

x

N

avpac

e

q

u

i

pment as

supp

li

ed by

the

Ch

arterer

.

4.2 Anchor Handling Operation

F

urther

to

the

re

q

u

i

rement

deve

l

oped

i

n

the

part

1

of

th

i

s

AH

T

Procedure

,

th

i

s

sect

i

on

w

ill

try

to c

l

ar

i

fy

deta

il

s

to answer

to

your

q

uest

i

ons

.

Pr

i

or

any AH

T

operat

i

ons

,

p

l

ease

cons

i

der

the

fo

ll

ow

i

ng:

D

eep

W

ater

.

Anchor

hand

li

ng

operat

i

ons

i

n

deeper water

carry

s

i

gn

i

f

i

cant

add

i

t

i

ona

l

hazards

and

these may

be

l

ocat

i

on

spec

i

f

i

c

. I

n

the

conte

x

t

of

th

i

s

document

“deeper water

” i

s

cons

i

dered

to

be

depths

i

n

e

x

cess

of

3

00

metres

,

though

i

t

i

s

recogn

i

sed

that

th

i

s

i

s

an

arb

i

trary d

i

st

i

nct

i

on

,

and

any assessment

of what m

i

ght

be

cons

i

dered

as

“deep water

”

operat

i

ons w

ill

ta

k

e

i

nto account

the

capab

ili

t

i

es

of

the

vesse

l

s

support

i

ng

such

act

i

v

i

t

i

es

.

However

,

any

operat

i

ons

beyond

the

cont

i

nenta

l

she

l

f

should

a

l

ways

be

cons

i

dered

as

deep

-

water

act

i

v

i

t

i

es

.

W

here

deep

-

water

anchor

hand

li

ng

operat

i

ons

are

be

i

ng

p

l

anned

add

i

t

i

ona

l

factors

should

be

ta

k

en

i

nto

account

i

n add

i

t

i

on

to

those

i

nvo

l

ved

i

n norma

l

anchor

hand

li

ng

operat

i

ons

.

T

hese

i

nc

l

ude

,

but

are not

li

m

i

ted

to:

x

S

u

i

tab

ili

ty of

vesse

l(

s

)

for

l

ocat

i

on

spec

i

f

i

c

operat

i

ons

ta

ki

ng

i

nto account env

i

ronmenta

l

and

other

var

i

ab

l

es

;

x

T

o m

i

n

i

m

i

se damage to wor

k

w

i

re

from

j

o

i

n

i

ng

shac

kl

es

use

l

onger

cont

i

nuous

l

engths

of

wor

k

w

i

re

;

x

W

here

j

o

i

n

i

ng

i

s

unavo

i

dab

l

e

to

avo

i

d

damage use

j

o

i

n

i

ng

li

n

k

s

rather

than

shac

kl

es

;

x

A

ll

w

i

res

to be

spoo

l

ed onto

the

drum

under

tens

i

on

;

x

Use wor

k

w

i

re

sw

i

ve

l

s

to avo

i

d

tw

i

st

i

ng

damage

from

the

i

nherent h

i

gh

l

oads

of

deep water

.

Wi

res

should

be de

-

tens

i

oned

us

i

ng

su

i

tab

l

e methods

after

use

;

x

S

w

i

ve

l

s

are

used

to avo

i

d

tw

i

st

i

ng damage

i

n

the w

i

re when

e

x

posed

to

h

i

gh

tens

i

on

.

x

S

w

i

ve

l

s

are

a

l

so

used

to

reduce

the

r

i

s

k

of

tors

i

on

bu

il

d

i

ng

up

i

n

the

w

i

re

. S

uch

tors

i

on

w

ill

be

re

l

eased

when

d

i

sconnect

i

ng

wor

k

w

i

re

from

(

var

i

ous

l

y

ca

ll

ed

Permanent

Cha

i

n

Pendant

,

Permanent

Chas

i

ng

Pennant

or

Permanent

Chaser

Pendant

)

PCP

,

w

i

th

r

i

s

k

of

ser

i

ous

i

n

j

ury

to

personne

l.

x

Use

of

PCP

cha

i

n

ta

il i

n

the

shar

k j

aws

i

s

part

i

cu

l

ar

l

y

i

mportant

i

n

deep

-

water

anchor

hand

li

ng

operat

i

ons

.

x

B

uoys

should

not

be

“free

l

aunched

”

from

dec

k

but

dep

l

oyed

i

n

contro

ll

ed manner

to

avo

i

d

shoc

k

l

oad damage

.

x

W

h

il

st

dep

l

oy

i

ng

cha

i

n

there may

be

a

re

q

u

i

rement

for

h

i

gh

tens

i

on

to

be

used

.

Cha

i

n

contact w

i

th

the

gypsy

should

therefore

be

ma

xi

m

i

sed

to

avo

i

d

potent

i

a

ll

y

dangerous

s

li

ppage

. I

n

some

c

i

rcumstances

,

and

where

e

q

u

i

pment

i

s

su

i

tab

l

e

,

both

gyps

i

es may

be

used

. D

ynam

i

c

bra

ki

ng

or

tens

i

on

contro

l

arrangements

should

be

used

, i

f

ava

il

ab

l

e

.

x

W

h

il

st

used

i

n

shall

ower

water

from

t

i

me

to

t

i

me

f

i

bre

ropes

are

fre

q

uent

l

y

used

i

n

deep

water

moor

i

ng arrangements

for

a

var

i

ety of

d

i

fferent

reasons

.

“Manufacturers

’’

gu

i

de

li

nes

for

the

use and

hand

li

ng

of

these products

should

a

l

ways

be

comp

li

ed w

i

th

.

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

17

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

.

593