420-Tank cleaning Operations / 748
Tan
k
Cleanin
g Op
erations
BOS-PRD-03.900603
When shore side contractors are involved in the tank cleaning operation, it is the responsibility of the ship
Tas
k
Sup
ervisor
to ensure that
Tan
k
Cleanin
g
Contra
c
tor
Sup
ervisor
is included and involved in Pre
Task Planning and Tool Box Talk.
In addition to the standard Tool Box Talk content, the following, as a minimum, specific to tank cleaning
shall
be included in the content prior to tank cleaning commencing:
x
Additional hazards associated with employing contractors;
x
Inherent dangers associated with engine room access and routing of hoses
shall
be fully discussed
during Tool Box Talks;
x
The previous contents of the tank
shall
be identified;
x
Division of responsibilities between the ship and the contractor during the operation;
x
Responsibilities for issuing PTW and the connection between the two if PTW are issued by the ship
and the contractor;
x
The measures put in place which specifically impact on the contractor;
x
The involvement of the contractor in the Emergency Response Plan;
x
Communications between the ship and contractor personnel;
x
The fitness for purpose of any equipment brought onboard by the contractor.
The
Tas
k
Sup
ervisor
shall
ensure that the
Contra
c
tor
Sup
ervisor
briefs his/her team with regard to the
outcome of the Tool Box Talk and the measures to be taken.
4
.
2
.
9 L
oa
d
in
g
s
h
ore
c
ontra
c
tors eq
u
i
p
m
ent
When shore contractors supply their own equipment to be used onboard the
Tas
k Sup
ervisor
shall
ensure:
x
PPE supplied is appropriate and fit-for-purpose. It
shall
be same standard or better than that
required by BOURBON;
x
Manual handling equipment, for example shovels, for use down the tanks
shall
be in good condition
and non-spark generating;
x
Electrical equipment
shall
be intrinsically safe, flame proof with transformers and cabling in good
condition;
x
Ventilation fans, air or water powered
shall
be safe for use, with the trunking of adequate length to
reach the bottom of the tank;
x
If the above cannot be achieved, or there is any doubt, the
Tas
k Sup
ervisor
shall
not allow the tank
cleaning operation to commence.
4
.
2
.1
0 R
e
m
ovin
g
tan
k
resi
du
es
Residues from tank cleaning are classed as special waste or dangerous waste: this is waste which may
harm the environment or be a danger to humans or animal life.
All staff
should
be aware that stirring up the residues may cause hydrogen sulphide (H
2
S) to rise.
Such wastes
shall
not be discharged with “garbage”, and is generally covered by separate national
legislation.
Residues
shall
be removed from the tank in the appropriate receptacles.
The
Tas
k
Sup
ervisor
shall
ensure spill kits are available. Spillage
shall
be kept to a minimum and cleaned
up quickly when they occur.
When shore contractors carry out tank cleaning they
shall
dispose of the residues in accordance with local
and national legislation. The
Master
shall
ensure that appropriate records of the operation are kept,
reference the Ship’s Tank Cleaning Record Book, and the receipt for the residues obtained from the
contractor.
When the tank cleaning operation is carried out by ship staff, the residues
shall
be disposed of properly
ashore and a receipt obtained from the waste contractor.
Version 04. Original date: 22/06/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS Deputy QHSE Manager. Approved by: BOS QHSES Manager. Validated by: BOS Quality Representative
7 / 9
420