617/ Anchor Handling and Towing Operations Procedure / 992
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
O
nce
the
second
anchor
hand
l
er
i
s
connected
,
he
w
ill
heave
up
to
5
0
metres
under
the
stern
,
us
i
ng
appro
xi
mate
l
y
1
5
0
tonnes
tens
i
on
,
at
the
same
t
i
me
the
l
oad
comes
off
the
f
i
rst
anchor
hand
l
er
who
then
puts
the
anchor
over
the
stern
,
after
reduc
i
ng
power
. T
he
second
anchor
hand
l
er
then
s
l
ac
k
s
away unt
il
the
tens
i
on
i
s
off
,
and
the
grapne
l
s
li
ps
off
the
cha
i
n
.
Putt
i
ng a
10
m
l
ength of
cha
i
n
on
the bottom
of
the
grapne
l
he
l
ps
th
i
s
.
At
a
ll
t
i
mes
each
vesse
l
hand
l
er must
be
aware
of
the
effect
of
the
chang
i
ng
we
i
ght
of
the
cha
i
n
on
the
manoeuvrab
ili
ty and
stab
ili
ty of
both
vesse
l
s
.
T
he
operat
i
on
should
be
p
l
anned
such
that
at
no
t
i
me
the
vesse
l
w
ill
be
i
n
a
pos
i
t
i
on where
the
l
oads
w
ill
e
x
ceed
her
own
li
m
i
t
i
n
the
event
of
an
ass
i
st
i
ng
vesse
l
be
i
ng
unab
l
e
to
share
the
l
oad
i.
e
.
the
l
oad
of
the
comp
l
ete
cha
i
n
must
be
w
i
th
i
n
the
capab
ili
ty
of
the
s
i
ng
l
e
vesse
l. T
h
i
s
shall
be
shown
by
the
stab
ili
ty
ca
l
cu
l
at
i
ons
and may
re
q
u
i
re
i
nput
from
the
charterer
or
the
i
r
representat
i
ve
.
I
f
the
vesse
l i
s
e
x
posed
for
forces
h
i
gher
than
e
x
pected
,
the
l
oad
should
be
reduced
/
the
operat
i
on
stopped or
, i
n worst
case
,
the w
i
re/cha
i
n
re
l
eased by us
i
ng emergency
re
l
ease
funct
i
on
.
T
he
vesse
l
shall
not
connect
the
anchor/tow
i
ng
gear
d
i
rect
l
y
to
her
w
i
nch
un
l
ess
she
can
hand
l
e
the
l
oad/force/tens
i
on
and
dynam
i
c
cond
i
t
i
ons a
l
one
,
based
on
her
perm
i
ss
i
b
l
e
capac
i
ty
accord
i
ng
to
the
stab
ili
ty and
l
oad
ca
l
cu
l
at
i
ons
.
W
h
il
e
the
f
i
rst
anchor
hand
l
er
tens
i
ons
up
aga
i
n
,
the
second
anchor
hand
l
er
now
dep
l
oys
a
J
-
hoo
k
c
l
ose
to
the
r
i
g
,
be
i
ng
carefu
l
to
avo
i
d
the
anchor w
i
re
connected
to
the
8
3mm
cha
i
n
.
Pu
lli
ng
the
J
-
hoo
k
c
l
ose
under
the
stern
,
both
vesse
l
s
now
head
out
on
the
bear
i
ng
shown
on
the
nav
i
gat
i
on
screen
,
the
second
anchor
hand
l
er ma
ki
ng
sure he does
not
s
li
p
bac
k
a
l
ong
the
cha
i
n
towards
the w
i
re
,
as
the
r
i
g
pays
out
the w
i
re
.
O
nce
the
w
i
re
has
been
dep
l
oyed
,
the
second
anchor
hand
l
er
pays
out
w
i
re
unt
il
the
tens
i
on
i
s
off
,
wh
il
e
the
f
i
rst
anchor
hand
l
er
on
l
y
pays
out
to
ha
l
f
water
depth
,
whereupon
the
second
anchor
hand
l
er
d
i
sengages
the
J
-
hoo
k
by mov
i
ng
away
from
the
r
i
g
,
and
the
f
i
rst
anchor
hand
l
er
can
then
stretch
and
dep
l
oy
the anchor
,
before
chas
i
ng bac
k
to
the
r
i
g
.
I
f
a
J
-
hoo
k i
s
used
for
support
i
ng
the
cha
i
n wh
il
e
the
f
i
rst
anchor
hand
l
er
i
s
dep
l
oy
i
ng
the
anchor
over
the
stern
,
no
re
l
ease
i
n
tens
i
on w
ill
be ach
i
eved
.
I
f
a
grapne
l i
s
used
to
support
the
i
nner
end
of
the
cha
i
n wh
il
e
runn
i
ng
out
,
the
cha
i
n may
tw
i
st
due
to
the
anchor w
i
re
tens
i
on
i
ng
,
and
i
t may be
i
mposs
i
b
l
e
to
re
l
ease
the
grapne
l,
wh
i
ch w
ill
have
i
ts
f
l
u
k
es
bent
. I
t
i
s
then
necessary
to
dec
k
the
grapne
l,
and
a
b
i
ght
of
cha
i
n
,
w
i
th
a
tens
i
on
of
over
200
tonnes
,
hop
i
ng
the
damage
i
s
not
bad
enough
for
i
t
to
co
ll
apse
on
the
stern
ro
ll
er
. T
he
b
i
ght
of
cha
i
n
can
then
be
l
owered w
i
th
a
J
-
hoo
k.
A
ll
the
e
q
u
i
pment
on
these
j
obs
has
to
be
up
-
s
i
zed
,
w
i
th
grapne
l
s
of
3
00
tonnes
and
J
-
hoo
k
s
of
35
0
tonnes
somet
i
mes
be
i
ng
used
;
w
i
res
used
are
8
3mm
upwards
,
w
i
th
120
tonnes
shac
kl
es
. F
a
il
ures
are
st
ill
common
.
4.2.1.18 Sepla anchor
S
uct
i
on Embedded P
l
ate
Anchor
(S
EP
L
A
) i
s
act
i
ng
as
a
stea
l
p
l
ate w
i
th
10
to
3
0
m
2
superf
i
c
i
es
and
3
0
to
5
0
tons we
i
ght
.
T
he p
l
ate
anchor
i
s
embedded
i
n
the
so
il.
A
suct
i
on P
il
e wh
i
ch
i
s
ca
ll
ed
the
“fo
ll
ower
” i
s
used
i
n
the
i
nsta
ll
at
i
on
of
the p
l
ate anchor
.
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
41
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
.
617