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Moorin

g

O

p

erations

BOS-

P

RD-2

6

.900

6

0

7

4.

3

Maintenan

c

e o

f m

oorin

g

e

qu

i

pm

ent

4.

3

.1

P

lanne

d

m

aintenan

c

e

T

he

correct

operat

i

on

of

the moor

i

n

g

e

q

u

i

pment

onboard

i

s

essent

i

a

l

to

the

overa

ll

safe

operat

i

on

of

the

sh

i

p

i

n port and

,

where

app

li

cab

l

e

,

at

offshore

l

ocat

i

ons

.

R

ecords

of

a

ll i

nspect

i

ons

and ma

i

ntenance

act

i

v

i

t

i

es

carr

i

ed

out

on

the moor

i

n

g

system

/

e

q

u

i

pment

must

be

ma

i

nta

i

ned w

i

th

i

n

the

vesse

l’

s

P

M

S (T

A

).

Cert

i

f

i

cates

to be

k

ept

.

sp

li

c

i

n

g

of

ropes

reduce

the

stren

g

th

of

the

rope

(

about

1

0%).

A

ll

w

i

res

,

ropes

,

shac

kl

es

and

other

g

ear

used

i

n moor

i

n

g

operat

i

ons

must

be

cert

i

f

i

ed

.

Cert

i

f

i

cates

must

be

annotated

w

i

th

dates

and

the

spec

i

f

i

c

e

q

u

i

pment

to

wh

i

ch

they

are

f

i

tted

and

/

or

end

for

ended

. S

uch

cert

i

f

i

cates

must

be ava

il

ab

l

e

.

A

ll Wi

res

,

ropes

,

shac

kl

es and

other

g

ear w

i

thout

cert

i

f

i

cates must be d

i

scard

.

A

ll

rotat

i

n

g

parts

shall

be moved

and

g

reased

on

a

re

g

u

l

ar

bas

i

s

v

i

a

g

rease

n

i

pp

l

es

and

the ways

be

i

n

g

k

ept

c

l

ean

and

i

n

g

ood

cond

i

t

i

on

.

P

art

i

cu

l

ar

attent

i

on

must

be

pa

i

d

to

ro

ll

er

fa

i

r

l

eads

and

rotat

i

n

g

dec

k

stands

as

these

often

suffer

from

ne

g

l

ect

and

li

tt

l

e

use

. R

o

ll

ers

and

fa

i

r

l

eads

should

turn

smooth

l

y

and

a

v

i

sua

l

chec

k

made

that

corros

i

on has

not wea

k

ened

them

.

S

urfaces

of

fa

i

r

l

eads

,

bo

ll

ards

,

b

i

ts

and

drum

ends

must

be

k

ept

c

l

ean and ma

i

nta

i

ned

i

n

g

ood

cond

i

t

i

on

.

R

e

g

u

l

ar

i

nspect

i

ons

must

be made

of

the w

i

nch

bra

k

e

li

n

i

n

g

s

. Oil,

mo

i

sture

or

heavy

rust

on

bra

k

e

li

n

i

n

g

s

or

drums

can

ser

i

ous

l

y

reduce

the

bra

k

e ho

l

d

i

n

g

capac

i

ty

, i

n

e

x

treme

cases

by as much as

7

5

%.

Mo

i

sture

can

be

removed

by

runn

i

n

g

the

w

i

nch

w

i

th

the

bra

k

e

app

li

ed

very

li

g

ht

l

y

,

a

l

thou

g

h

care

shall

be

ta

k

en

not

to

cause

e

x

cess

i

ve wear

. W

hen

o

il

has

i

mpre

g

nated

i

nto

the

bra

k

e

li

n

i

n

g

,

th

i

s

cannot

be

removed

and

any

li

n

i

n

g

wh

i

ch

has

been

affected

shall

be

rep

l

aced

at

the

ear

li

est

opportun

i

ty

. T

he

poss

i

b

l

e

reduct

i

on

i

n

any w

i

nch

bra

k

e

ho

l

d

i

n

g

capac

i

ty

shall

be

ta

k

en

i

nto

account when

dec

i

d

i

n

g

upon

the moor

i

n

g

pattern

to

be used

.

W

henever

bra

k

es

are

opened

up

for

any

reason

,

the

bra

k

e

drum

must

be

e

x

am

i

ned

for

bu

il

d

-

up

of

rust

or

worn bra

k

e mater

i

a

l

and

shall

be

de

-

sca

l

ed as

necessary

.

B

ra

k

e

li

n

k

a

g

es

shall

be

free

to

move

. I

f

the

li

n

k

a

g

es

are

not

free

then

there

shall

be

a

l

oss

i

n

the

bra

k

e

ho

l

d

i

n

g

capac

i

ty

. T

he

operator may

be

under

the

i

mpress

i

on

that

the

bra

k

e

has

been

fu

ll

y

app

li

ed

when

i

n

fact

i

t has

not

or

the

bra

k

e

mechan

i

sm

i

s

hardened

up

us

i

n

g

l

ever

bars

wh

i

ch

may

i

n

turn

i

mpose

h

i

g

h

stresses

on

some of

the mechan

i

ca

l

parts

of

the

bra

k

e

.

P

r

i

or

to

a

moor

i

n

g

operat

i

on

wh

i

ch

fo

ll

ows

an

e

x

tended

sea

passa

g

e

or

a

passa

g

e

underta

k

en

i

n

heavy

weather

,

the

w

i

nches

that

have

been

e

x

posed

must

be

chec

k

ed

to

ensure

that

a

ll

contro

l

and

operat

i

n

g

l

evers

and

li

n

k

a

g

es

are

o

il

ed

or

g

reased

and

are

free

and

easy

to

use

and

that

the

bra

k

e

drums

and

li

n

i

n

g

s

are

c

l

ean and

su

i

tab

l

y dry

.

A

ll

moor

i

n

g

e

q

u

i

pment

lik

e

bo

ll

ards

,

fa

i

r

l

ead

ro

ll

ers

etc

shall

be mar

k

ed w

i

th

the

i

r

SWL.

A

ll

moor

i

n

g

li

nes

shall

be mar

k

ed

i

n

order

to

be

i

dent

i

f

i

ed

us

i

n

g

co

l

or

co

ll

ars

(

and

assoc

i

ated

to

the

i

r re

l

evant

cert

i

f

i

cates

).

T

he moor

i

n

g

li

nes

i

n

use

shall

be

v

i

sua

ll

y

contro

ll

ed

on month

l

y bas

i

s

as

per

the

P

M

S

system

re

q

u

i

rements

.

4.

3

.

2

Maintenan

c

e o

f

steel wire

m

oorin

g

s

I

t

i

s

essent

i

a

l

to

g

rease

or

o

il

stee

l

w

i

re

moor

i

n

g

ropes

at

fre

q

uent

i

nterva

l

s

as

rust

i

n

g

shall

reduce

the

stren

g

th

of

the w

i

re

i

n a

very

short

t

i

me

.

V

ers

i

on

S

F

(BOS-

P

RD-0

7

.900

6

0

7

-

ver

.0

4

). O

r

i

g

i

na

l

date

: 22

/

0

6/

20

1

2.

V

ers

i

on

date

:

31/1

2

/

20

15

.

V

a

li

d

vers

i

on

on

l

y

on

Q

M

S

s

i

te

.

Uncontro

ll

ed

document when

pr

i

nted

.

P

rocedure prepared by

: BOS

Head

of

O

perat

i

ons

.

Approved

by

:

Head

of

O

perat

i

ons

.

V

a

li

dated

by

: BOS

Q

ua

li

ty

R

epresentat

i

ve

.

13 /

2

7

519