244-Navigation at Offshore Locations / 748
N
a
v
i
g
ation at
O
ffs
h
ore
L
ocations
BOS-PRD-07.900504
4 D
escri
p
tion
4
.1 Wor
k
in
g
at offs
h
ore locations
4
.1.1
App
roac
h
in
g
location
When approaching an offshore location the
Master/Bri
dg
e Watc
h O
fficer
shall
ensure the following:
x
The installation is identified using Automatic Identification System (AIS) and/or other means;
x
Working communications channels are established and tested, including the vessels internal
communications system;
x
Communication with the installation
shall
be maintained at all times during operations;
x
The engine room is manned;
x
Propulsion, thrusters/steering and all associated control systems are tested;
x
The sea, current, swells and wind conditions have been fully assessed;
x
The crew has been informed of the ship operations and relevant precautions and regulations;
x
The crew is aware that every crewmember has the responsibility and authority to STOP WORK if
there is any risk to the safety of personnel, assets or the environment. The situation
shall
be
reviewed by the
Master
/
Bri
dg
e Watc
h
O
fficer
and reasons for stopping work provided to the
O
ffs
h
ore
I
nstallation Mana
g
er
(OIM).
4
.1.
2 E
ntr
y
into t
h
e
500
m
z
one
Mannin
g
:
The Bridge
shall
be manned with two seamen as a minimum: one
Bri
dg
e Watc
h O
fficer
+ one
Watc
h
m
an
. Additional
O
fficers
and/or
Ratin
g
s
and
E
n
g
ine Watc
h O
fficers
in Engine Control Room will be
added at Master’s/Bridge Watch Officer’s discretion.
x
Masters
and
Bri
dg
e Watc
h
O
fficers
shall
be responsible for ensuring that this procedure is
effectively implemented. Failure to comply is a statutory criminal offence and
Masters
may be liable
to prosecution;
x
The following procedure applies to ALL situations where a vessel is required to visit, work, or
perform any operation in close proximity to platforms, drilling rigs, Floating Production, Storage and
Offloading unit (FPSO), single point moorings, sub-sea wellheads and special areas under field
development;
x
Bring the vessel to a complete stop in a safe area outside the 500m zone;
x
Complete a
500m Pre-Entry Checklist
and make an entry into the Bridge Logbook regarding
completion;
x
Make a full assessment of present and expected current, sea, wind and swell conditions;
x
Communicate with the installation and confirm the following:
Completion of the checklist;
Information relating to the planned or proposed operations;
Position and crane to be worked;
Specific information, such as, - diving - Remotely Operated Vehicles (ROV) - over-side working -
flaring, discharges (such as dry bulk venting etc.) which might impact on safety of the vessel and
crew;
Permission to enter the 500m zone;
x
Enter the 500m zone at a safe speed using manual control of steering and propulsion;
x
Whether working in manual control or Dynamic Positioning (DP) mode, the vessel
shall
be “set up” at
least 50m from the installation in order to assess the station keeping abilities;
x
Maintain station keeping for a period considered prudent with consideration to the environmental
conditions to assess acceptable station keeping and ability of crew to perform work safety; such
assessment
should
be at least 10 minutes in manual and 20 minutes in DP. Inform the installation
related to this safety assurance assessment.
x
When it is ascertained that the vessel can be operated safely - slowly maneuver into the working
position;
Version 04. Original date: 01/06/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS Head of Operations. Approved by: BOS Head of Operations. Validated by: BOS Quality Representative.
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