615/ 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
4.2.1.15 Use of grapnel
A grapne
l i
s
carr
i
ed on board
,
w
i
th a
notch
cut
i
n
the
f
l
u
k
es
to
ta
k
e
cab
l
es
of
about
8
5mm
d
i
ameter
.
T
h
i
s
i
s
used
for
recover
i
ng w
i
re or
cha
i
n
from
the
seabed
,
espec
i
a
ll
y
l
ay down w
i
res
.
A
l
ways
i
nsert
a
l
ength
of
cha
i
n between
the
grapne
l
and
the wor
k
w
i
re
,
to
force
the
grapne
l
f
l
u
k
es
i
n
to
the
bottom
,
and
thus
under w
i
res
l
y
i
ng
there
.
Put
out
tw
i
ce
the water
depth
of wor
k
w
i
re
,
and
try
to
steam
across
the
i
tem
to
be
caught
. I
f
i
t
i
s
there
you
w
ill
norma
ll
y
catch
i
t
. T
he
prob
l
em
,
espec
i
a
ll
y
w
i
th
l
ay
down
w
i
res
, i
s
that
they
are
dropped
short
,
so
the
nav
i
gat
i
on d
i
sp
l
ay
i
s
unrea
li
st
i
c
.
T
he
sh
i
p manoeuvre e
i
ther
s
i
deways
or
ahead
/
astern
to
catch
the w
i
re
.
D
ue
to
the
sma
ll
we
i
ght
i
nvo
l
ved
li
tt
l
e
i
s
shown on w
i
nch d
i
sp
l
ay
,
unt
il
the w
i
re
comes
t
i
ght
heav
i
ng
i
n
.
W
hen
the w
i
re
has
been
caught
by
the
grapp
l
e
hoo
k, i
t
i
s
v
i
ta
l
to
k
eep
constant
tens
i
on
to
avo
i
d
the
grapp
l
e
hoo
k
to
s
li
p dur
i
ng
the
recovery operat
i
on
. I
t
i
s
a
l
so
i
mportant
to
ensure
that
the grapp
l
e hoo
k
have
reached
the
end
of
the
pendant w
i
re
. T
h
i
s
i
s
to
avo
i
d
br
i
ng
i
ng
a w
i
re
l
oop
on
dec
k
wh
i
ch
can
damage
the
pendant
w
i
re and
create a
dangerous
s
i
tuat
i
on
.
I
f
recover
i
ng
a
bro
k
en
cha
i
n
the
grapne
l i
mmed
i
ate
l
y
l
oc
k
s
on
,
and
tens
i
on
rap
i
d
l
y
r
i
ses
. S
team
s
l
ow
l
y
away
from
the
r
i
g wh
il
e
recover
i
ng
,
to
prevent
the
cha
i
n
tw
i
st
i
ng
up
,
wh
i
ch
the wor
k
w
i
re
tends
to
cause
as
l
oad
comes
on
.
W
hen
the
grapp
l
ed w
i
re
i
s
on
dec
k
and
secured
i
n
the
shar
k j
aw
,
the
hoo
k i
s
re
l
eased
and
the
dec
k
crew
connects
the
sh
i
p wor
k
w
i
re
to the
system
.
T
he
O
ff
icer
i
n
charge
i
nforms
the
r
i
g
.
4.2.1.16 Use of J-Hooking
A
J
-
hoo
k i
s
carr
i
ed
to p
i
c
k
up
cha
i
n when
a
r
i
ng
chaser
cannot
be used
.
T
he
J
-
Hoo
k i
s
a
l
so
norma
ll
y
used
to
chase
out
to
the
anchor
i
n
case
of
a
bro
k
en
pendant
,
when
a
r
i
ng
chaser
cannot
be
used
,
or
to
li
ft
up
the
cha
i
n
from
the
seabed
dur
i
ng
anchor
operat
i
on
(T
andem
operat
i
ons
).
Use
a
p
i
ece
of
cha
i
n
between
the
wor
k
w
i
re
and
the
Hoo
k. I
f
there
i
s
good
tens
i
on
on
the
r
i
g
cha
i
n
,
and
thus
the
cha
i
n
w
ill
be
l
ead
i
ng
out
at
a
decent
ang
l
e
,
the
best method
of
hoo
ki
ng
i
s
to
run
out
2
/3
water
Vers
i
on
S
F
(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
39
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
.
615