626/ 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
x
O
ther
formu
l
a
regu
l
ar
l
y w
ill
be
found
i
n
the
fo
ll
ow
i
ng manua
l
:
ABR - Anchor Handling Tug Operations – I.C.Clark and M.Hancox, a practical guide to the
operation of modern anchor handling tugs engaged in anchor handling and towing operations.
4
.
3
.
3
To
w
in
g
co
mp
letion
O
n
comp
l
et
i
on
of
the
tow
i
ng
operat
i
on
a
ll
e
q
u
i
pment
that
has
been
used must
be
i
nspected
,
ma
i
nta
i
ned
and
stored at
i
ts
regu
l
ar
p
l
ace
.
E
q
u
i
pment be
l
ong
i
ng
to
the
r
i
g
shall
be
returned
.
W
hen mov
i
ng
r
i
gs
from
one
l
ocat
i
on
to
another
,
or
i
n
to
port
,
a
tow w
i
re
i
s
used
. T
h
i
s
i
s
e
i
ther
connected
to
a
r
i
g
anchor
cha
i
n
,
or
to
the
r
i
gs
tow br
i
d
l
e
.
I
f
tow
i
ng
on
a
cha
i
n
there
w
ill
norma
ll
y
be
another
vesse
l
on
the
other
bow
of
the
r
i
g
,
and
one
w
ill
be
appo
i
nted
l
ead
tug
. T
h
i
s
vesse
l
w
ill
hand
l
e
courses
and
a
l
terat
i
ons
, li
a
i
s
i
ng w
i
th
the
T
ow
Master
on
the
r
i
g
.
O
ther
tugs
connected w
ill k
eep
stat
i
on on
the
l
ead
tug
.
O
n
the
vesse
l,
the
gob
b
l
oc
k
should
be
used
to
contro
l
the
tow
w
i
re
. W
hen
veer
i
ng
w
i
re
, k
eep
outer
tow
p
i
ns
up
. W
hen
tow
i
ng
,
as
much
freedom
for
the
w
i
re
to move
as
poss
i
b
l
e
resu
l
ts
i
n
better
courses
and
speeds
. T
he
l
ength
of
w
i
re
depends
on
the
depth
of
water
;
a
catenary
curve
gu
i
de
shall
be
ava
il
ab
l
e
,
as
prev
i
ous
l
y
seen
above
.
6
00
meters
i
n
shall
ow
water
i
s
often
enough
. I
f
ocean
tow
i
ng
i
s
i
nvo
l
ved
, i
t may
be
adv
i
sab
l
e
to
spoo
l
on
another
5
00
m
pennant
before
start
i
ng
,
of
the
same
d
i
ameter
as
the
ma
i
n
tow
w
i
re
,
as
s
l
ac
ki
ng
out
to
1
5
00
m
may
be
needed
i
n
b
i
g
swe
ll
s
.
Cons
i
derat
i
on
should
be
g
i
ven
to
the
add
i
t
i
ona
l
hazards
should
a
wea
k li
n
k
be
i
ncorporated
i
n the
tow
.
W
hen
tow
i
ng
i
n
heavy
swe
ll
the
stra
i
n
gauge
can
often
be
reg
i
ster
i
ng
from
0
to
2
5
0
tonnes
, j
ust
from
the
mot
i
on of
the
vesse
l
and
r
i
g
,
w
i
th on
l
y
80
tonnes
ahead
power
on
.
I
f
tow
i
ng
for
days
,
or
wee
k
s
,
a
purpose made
p
l
ast
i
c
protector may
be
f
i
tted
to
the w
i
re
and moved
to
the
stern
ro
ll
er
. T
h
i
s
has
to be
removed
i
f
bad weather means more w
i
re
needs
to
be
put out
.
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
50
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
.
626