583/ 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
B) Concerning this stability section, it is recommended to refer to:
a) 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.
b) International code on intact stability, 2008. Edition 2009, 3
rd
edition. (2008 IS).
c) IMCAM22-11 – att1 – IMO SLF 54/10 – Development of amendments to part B of the 2008 IS
code on towing and anchor handling operation.
d) IMCAM22-11 – att2 – IMO SLF 54/INF 5 – Development of amendments to part B of the 2008
IS code on towing and anchor handling operation.
C) All AHT vessels shall be fitted with adequate stability software.
4
.
1
.
2
AH
T
P
rocedures and
B
rie
f
in
g
I
t
must
be
stressed
that
deta
il
ed
p
l
ann
i
ng
of
the
j
ob
e
x
ecut
i
on
i
s
of
v
i
ta
l i
mportance
to
avo
i
d
m
i
sunderstand
i
ngs
.
T
he
AH
T
vesse
l
shall
pr
i
or
to
any
AH
T
operat
i
on
have
rece
i
ved
deta
il
ed
AH
T
P
rocedure
s
from
the
charterer
.
T
hese procedures
shall
be
ava
il
ab
l
e
for
rev
i
ew on
-
board
the
vesse
l
we
ll i
n
advance of
the
operat
i
on
.
B
efore any AH
T
operat
i
on
commences
i
t
i
s
i
mportant
to have
a deta
il
ed br
i
ef
i
ng
from
charterer
and/or
operator
. T
he
charterer
and/or
operator
shall
i
ssue
i
nv
i
tat
i
ons
to
a
r
i
g move meet
i
ng
. T
he wor
k
spec
i
f
i
cat
i
on
shall
be
d
i
str
i
buted
few days
before
the meet
i
ng
.
A) This meeting is intended to identify any needs in connection with:
a) Anchor handling equipment;
b) Navigation and positioning;
c) Advance inspection of equipment;
d) Emergency preparedness.
B) At least, the following leaders should attend the AHT briefing:
a) Offshore Installation Manager (OIM);
b) Client Representative;
c) Onshore Drilling Supervisor;
d) Onshore Logistic Manager;
e) Rig Move Manager (if relevant);
f) Leader of the positioning, navigational Contractor;
g) Captains of all vessels engaged in the operation;
h) Warranty Surveyor (if relevant).
C) The AHT briefing agenda should include as a minimum the following:
a
) R
e
l
evant
Ri
s
k
assessment
for
the AH
T
operat
i
ons
from
the
charterer
;
b
) R
ev
i
ew of
hazards
i
dent
i
f
i
ed
i
n
the AH
T
operat
i
ona
l
f
i
e
l
d
;
c
) Fi
e
l
d
i
nformat
i
on
;
d
) S
cope
of wor
k;
e
)
Commun
i
cat
i
on deta
il
s
;
f
) S
top
W
or
k
author
i
ty
;
g
) W
eather
i
nformat
i
on and
li
m
i
tat
i
ons
agreement
;
h
) D
raw
i
ngs
and
s
k
etches
for
the anchors
patterns
;
i)
Vesse
l
s
techn
i
ca
l
spec
i
f
i
cat
i
ons
;
j)
M
i
n
i
mum
operat
i
ona
l
mann
i
ng
;
k)
M
i
n
i
mum
vesse
l
autonomy
;
l)
M
i
n
i
mum
add
i
t
i
ona
l
AH
T
e
q
u
i
pment
to be
prov
i
ded
to
the
vesse
l
s
;
m
) D
efects
, i
nc
i
dents
report
i
ng
;
n
)
Cont
i
ngency p
l
ann
i
ng and
bac
k-
up
so
l
ut
i
ons
.
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
7
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
.
583