Vessel Stabilit
y
BOS-
P
RD-2
6
.900
6
01
4
.1.
3
Si
m
p
li
f
ie
d c
al
c
u
lati
on
s
W
hen
us
i
n
g
s
i
m
p
li
f
i
ed
ca
l
cu
l
at
i
ons
,
the
Maste
r
shall
ensure
that
the
vesse
l
vert
i
ca
l
he
i
g
ht
of
the
centre
of
g
rav
i
ty
(
VC
G
or
KG)
fa
ll
s
on
or
be
l
o
w
the ma
xi
mum
a
ll
o
w
ed ma
x
Vert
i
ca
l
Centre
of
G
rav
i
ty
(
VC
G)
curves
or
tab
l
es
and
that
the draft at
the
l
oad
li
ne mar
k i
s
not e
x
ceeded
.
VC
G
curves
are
a
set
of
curves
for
var
i
ous
comb
i
nat
i
ons
of
d
i
s
p
l
acements
and
tr
i
ms
and can
be
ca
l
cu
l
ated
sho
w
i
n
g
VC
G
for
w
h
i
ch
a
ll
re
q
u
i
red
cr
i
ter
i
a
are
sat
i
sf
i
ed
. T
hey
do
not
ta
k
e
i
nto
account
any
free
surface
effect
so
the
actua
l l
oad
i
n
g
case
VC
G
va
l
ue
shall
be
corrected
for
the
free
surface moment
before
be
i
n
g
com
p
ared
w
i
th
the
curve
.
4
.1.
4
F
u
ll
d
i
r
e
c
t
c
al
c
u
lati
on
s
I
f
the
Maste
r
has
any
doubts
about
the
s
i
m
p
li
f
i
ed
assessment
or
f
i
nds actua
l
VC
G
c
l
ose
to
the
VC
G
ma
xi
mum
,
a
fu
ll
d
i
rect
ca
l
cu
l
at
i
on
shall
be
carr
i
ed
out
by
manua
l
ca
l
cu
l
at
i
ons
us
i
n
g
tan
k
tab
l
es
and
hydrostat
i
c
data
. W
hen
l
oad
i
n
g
soft
w
are
i
s
p
rov
i
ded
on
board
, i
t
should
be
used
i
n
p
l
ace
of
manua
l
ca
l
cu
l
at
i
ons
.
B
efore
carry
i
n
g
heavy
l
oads
,
p
erform
i
n
g
crane
or
anchor
hand
li
n
g
o
p
erat
i
ons
and
any
other
o
p
erat
i
on
w
i
th
p
otent
i
a
l
to
have
a
severe
effect
on
the
vesse
l,
s
p
ec
i
a
l
stab
ili
ty
ca
l
cu
l
at
i
ons
shall
be
carr
i
ed
out
to
ensure
that
the
cond
i
t
i
on
fu
l
f
il
s
the
stab
ili
ty
cr
i
ter
i
on
.
A
ny
l
oad
i
n
g
cond
i
t
i
on
ca
l
cu
l
ated by
the
Maste
r
shall
com
p
l
y
w
i
th
the
li
m
i
t
i
n
g
cr
i
ter
i
a
.
4
.1.
5 L
o
a
d
i
ng
s
o
f
twa
r
e
f
o
r
stabilit
y
c
al
c
u
lati
on
s
A
ll
vesse
l
s
(
other
than
cre
w
boats
)
shall
be
e
q
u
i
pp
ed
w
i
th
l
oad
i
n
g
soft
w
are
for
stab
ili
ty
ca
l
cu
l
at
i
ons
. T
he
soft
w
are
shall
match
w
i
th
current
a
pp
li
cab
l
e
statutory
and
c
l
ass
re
q
u
i
rements
. I
n
p
art
i
cu
l
ar
,
soft
w
are
,
ca
l
cu
l
at
i
ons
and
i
nsta
ll
at
i
on
on board
shall
be
sub
j
ect
to C
l
ass
rev
i
e
w
and
a
pp
rova
l.
4
.1.
6
Stabilit
y
s
o
f
twa
r
e i
n
stallati
on
a
nd
u
se
T
he
l
oad
i
n
g
soft
w
are
shall
be
i
nsta
ll
ed on
board
w
i
th
a
redundancy
.
H
ard
w
are
i
s
not
sub
j
ect
to C
l
ass
a
pp
rova
l
p
rov
i
d
i
n
g
that
the
redundancy
can be demonstrated
.
P
erformance
of
the
l
oad
i
n
g
soft
w
are
i
s
i
nc
l
uded
i
n
c
l
ass
survey
sco
p
e
.
C
l
ass
a
pp
rova
l i
s
sub
j
ect
to
c
l
ass
to
l
erances
re
g
ard
i
n
g
d
i
fferences
bet
w
een
soft
w
are
resu
l
ts
and
fu
ll
d
i
rect
ca
l
cu
l
at
i
ons
resu
l
ts
.
T
he
system
shall
be
tested
a
g
a
i
nst
C
l
ass
a
pp
roved
L
oad
i
n
g
Cond
i
t
i
ons
on
a re
g
u
l
ar
bas
i
s
to
ensure
o
p
erat
i
ona
l
com
p
li
ance
,
accuracy
and
p
erformance
standards
.
A
fter
i
nsta
ll
at
i
on
,
the
a
pp
roved
l
oad
i
n
g
cond
i
t
i
ons
are
to be
ca
l
cu
l
ated onboard by
the
vesse
l’
s
p
ersonne
l
w
i
th a
c
l
ass
soc
i
ety
surveyor
.
L
oad
test
i
n
g
i
s
the
p
rocess
of
p
utt
i
n
g
demand
on
a
system
or
dev
i
ce
and
measur
i
n
g
i
ts
res
p
onse
. L
oad
test
i
n
g
i
s
p
erformed
to
determ
i
ne
a
system
’
s behav
i
our under
both
norma
l
and
ant
i
c
i
p
ated
p
ea
k l
oad
cond
i
t
i
ons
.
R
ecords
of
the
tests
shall
be ma
i
nta
i
ned
. T
he
t
i
me
and
re
l
evant
deta
il
s
of
a
ll
stab
ili
ty
ca
l
cu
l
at
i
ons
shall
be
c
l
ear
l
y
recorded
i
n
the
vesse
l’
s
l
o
g
boo
k.
S
oft
w
are manufacturers may
d
i
ffer
bet
w
een
vesse
l
ty
p
es
and
therefore
the
soft
w
are manufacturer
reference
manua
l
and
i
nte
g
rated
‘
H
E
L
P
’
menu
shall
be
used
for
g
u
i
dance
on
com
p
l
et
i
n
g
stab
ili
ty
ca
l
cu
l
at
i
ons
and
assessments
.
T
he
system
shall
be
used
w
henever
a
stab
ili
ty
ca
l
cu
l
at
i
on
i
s
re
q
u
i
red
and
the
resu
l
ts
com
p
ared
w
i
th
the
resu
l
ts
from
the
Stability Booklet
.
Vers
i
on
S
F
(BOS-
P
RD-0
7
.900
6
01-
ver
.0
4
). O
r
i
g
i
na
l
date
: 22/0
6
/2012.
Vers
i
on
date
:
3
1/12/201
5
.
Va
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
H
ead
of
O
p
erat
i
ons
.
App
roved
by
: BOS
H
ead
of
O
p
erat
i
ons
.
Va
li
dated by
: BOS
Qua
li
ty
R
e
p
resentat
i
ve
.
6
/ 1
3
340




