613/ 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
4.2.1.12 The Mid-line Buoy shallow water
I
ncreas
i
ng
l
y
,
anchor
cha
i
ns
are
be
i
ng
l
a
i
d
over
p
i
pe
li
nes
. I
n
shall
ow
water
th
i
s
worr
i
es
surveyors
,
so
var
i
ous methods
are
used
to
li
ft
the
cha
i
n
.
At dep
l
oyment
the anchor
hand
l
er
ta
k
es
the
anchor
from
the
r
i
g and
dec
k
s
i
t
,
us
i
ng
the PCP and
co
ll
ar
.
T
he
r
i
g
cha
i
n
i
s
l
oc
k
ered
unt
il
the
e
x
act
po
i
nt
i
s
reached
where
the
cha
i
n
wou
l
d
be
over
the
p
i
pe
li
ne
.
A
cha
i
n
c
l
amp
i
s
f
i
tted
and
a m
i
d
-li
ne
buoy
,
wh
i
ch
i
s
des
i
gned
to
ta
k
e
the
water
pressure
,
f
i
tted
. T
hen
the
cha
i
n
i
s
pa
i
d
out
as
the
vesse
l
moves
s
l
ow
l
y ahead
,
unt
il
the
anchor
can be
reconnected
and
reset
.
As
the
chas
i
ng
co
ll
ar
cannot
be
run
bac
k
to
the
r
i
g
,
a
prev
i
ous
l
y
spoo
l
ed
on
pennant w
i
re
i
s
attached
to
the
PCP
,
and
the anchor
l
a
i
d under
tens
i
on
,
as
before
.
O
nce
the
anchor
i
s
on
the
bottom
a
surface
buoy
i
s
f
i
tted
,
and
f
l
oated
. T
h
i
s may
be
rep
l
aced
by
a
l
ay
down
w
i
re after
tens
i
on
i
ng
,
and
prov
i
ng of
the anchor
’
s
ho
l
d
i
ng are
comp
l
eted
.
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
37
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
.
613