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Vessel Stabilit

y

BOS-

P

RD-2

6

.900

6

01

4 D

escri

p

tion

4

.1 Instr

u

ctions to

M

aster

T

he

M

aster

shall

rev

i

e

w

the

vesse

l’

s

a

pp

roved

Stability Booklet

and

re

l

ated

stab

ili

ty assessments

.

T

he

M

aster

shall

ensure

that

the

Stability Booklet

and

on

board

l

oad

i

n

g

soft

w

are are

used

p

ro

p

er

l

y

i

n

accordance

w

i

th

vesse

l

stab

ili

ty

i

nstruct

i

ons

to

the

M

aster

and

re

l

ated

ru

l

es

. T

he

stab

ili

ty

p

ro

g

ram

/

L

oad

i

n

g

soft

w

are

should

be a

pp

roved

w

hen

be

i

n

g

used

as

the ma

i

n

source of

ca

l

cu

l

at

i

ons

.

I

nstruct

i

ons

to

M

aster

,

as

i

nd

i

cated

i

n

the

Stability Booklet

,

shall

be

str

i

ct

l

y adhered

to

at

a

ll

t

i

mes

.

I

n

any

s

i

tuat

i

on

,

the

M

aster

has

the

author

i

ty

to

refuse

or

sto

p

o

p

erat

i

ons

i

f

he

determ

i

nes

the

s

i

tuat

i

on

to

be

dan

g

erous

or

at any

t

i

me

c

l

ose u

p

to

vesse

l

ca

p

ab

ili

t

i

es

or

o

p

erat

i

ona

l li

m

i

ts

.

Bri

d

ge Watch

Off

icer

shall

be

fu

ll

y

ca

p

ab

l

e

of

carry

i

n

g

out

stab

ili

ty

ca

l

cu

l

at

i

ons

.

T

hese

i

nstruct

i

ons

shall

be

h

i

g

h

li

g

hted

dur

i

n

g

M

aster/Bri

d

ge Watch

Off

icer

handovers

.

S

tab

ili

ty

ca

l

cu

l

at

i

ons

sha

ll

be

k

e

p

t

onboard

and

f

il

ed

for

a

p

er

i

od

of

3 months

(

e

i

ther

i

n

e

l

ectron

i

c

or

hardco

p

y

form

)

4

.1.1

P

reca

u

tions

Com

p

li

ance

w

i

th

the

stab

ili

ty

cr

i

ter

i

a

does

not

ensure

i

mmun

i

ty

a

g

a

i

nst

ca

p

s

i

z

i

n

g

,

re

g

ard

l

ess

of

the

c

i

rcumstances

. N

or

does

i

t

abso

l

ve

the

M

aster

from

h

i

s

/

her res

p

ons

i

b

ili

t

i

es

. T

he

M

aster

shall

e

x

erc

i

se

p

rudence

and

g

ood

seamansh

i

p

,

hav

i

n

g

re

g

ard

to

the

season

of

year

,

w

eather

forecasts

and

the

nav

i

g

at

i

ona

l

zone

,

and

shall

ta

k

e

the

a

pp

ro

p

r

i

ate

act

i

on

as

to

the

vesse

l

s

course

,

s

p

eed

and

o

p

erat

i

on

w

arranted by

the

p

reva

ili

n

g

c

i

rcumstances

.

I

n

case of

l

oss

of

stab

ili

ty

, i

t

i

s

rem

i

nded

that

i

n

order

to

i

ncrease

stab

ili

ty:

-

ca

p

ac

i

t

i

es

should

be

em

p

t

i

ed

to

dry or

f

ill

ed

fu

ll.

-

A

ll

transfer

that

can

l

ead

to

a

reduced

freeboard

should

be avo

i

ded

.

4

.1.

2

Stabilit

y

assess

m

ent

T

he

stab

ili

ty

i

n

sa

ili

n

g

cond

i

t

i

on

shall

be

chec

k

ed

for

a

ll

voya

g

es

.

A

dd

i

t

i

ona

ll

y

,

the

M

aster

i

s

to

ensure

p

er

i

od

i

ca

ll

y

that

the

ca

l

cu

l

ated

d

i

s

p

l

acement

i

s

i

n

li

ne

w

i

th

the

actua

l

d

i

s

p

l

acement

of

the

vesse

l

by

com

p

ar

i

n

g

draft mar

k

read

i

n

g

s

.

T

he

w

orst

case

(

de

p

arture

or

arr

i

va

l)

shall

be

ta

k

en

i

nto

account

and

i

n

case

of

doubt

;

both

cases

have

to

be

chec

k

ed

. F

or

the

p

ur

p

oses

of

th

i

s

p

rocedure

,

a

voya

g

e

i

s

cons

i

dered

to

be

a

round

tr

i

p

from

p

ort

and

return

to

p

ort

.

T

he

same a

pp

li

es

for

stab

ili

ty dur

i

n

g

to

w

i

n

g

,

anchor

hand

li

n

g

and

dur

i

n

g

li

ft

i

n

g w

i

th

cranes

.

T

he

l

oad

i

n

g

cond

i

t

i

ons

i

n

the

Stability Booklet

p

rov

i

de

re

p

resentat

i

ve

l

oad

i

n

g

cond

i

t

i

ons

,

that

should

be

used

as

reference

. T

he

M

aster

shall

e

i

ther

com

p

are

h

i

s

actua

l

cond

i

t

i

on

w

i

th

a

s

i

m

il

ar

cond

i

t

i

on

i

n

the

boo

kl

et

and

w

here

necessary

p

erform

a

fu

ll

ca

l

cu

l

at

i

on

or

use

a

s

i

m

p

li

f

i

ed

stab

ili

ty

ca

l

cu

l

at

i

on

to

est

i

mate

the

stab

ili

ty

of

an actua

l

cond

i

t

i

on

of

the

vesse

l.

V

ers

i

on

SF(BOS-

P

RD-0

7

.900

6

01-

ver

.0

4

). O

r

i

g

i

na

l

date:

22

/

0

6

/

2012.

V

ers

i

on

date:

3

1

/

12

/

201

5

.

V

a

li

d

vers

i

on

on

l

y

on QM

S

s

i

te

.

Uncontro

ll

ed

document

w

hen

p

r

i

nted

.

P

rocedure

p

re

p

ared by:

BOS

Head

of

O

p

erat

i

ons

.

App

roved

by:

BOS

Head

of

O

p

erat

i

ons

.

V

a

li

dated by:

BOS

Qua

li

ty

R

e

p

resentat

i

ve

.

5

/

1

3

339