538-Permit To Work / 748
P
er
m
it to
W
or
k
BOS-PRD-03.900902
x
It is necessary to ensure that the flow of energy (pressurised fluid) has been completely stopped and
that the system cannot cause injury;
x
For optimal safety the work area
shall
be cordoned off, warning notices posted and all personnel not
involved with the task kept clear;
x
Ensure that all relevant personnel are informed.
4.14
D
ivi
n
g
A PTW is required for any diving operations.
(PTW # 6 - Underwater, BOS-FRM-03.0022)
.
Diving on the vessel involves operations when Contractors are engaged to perform any work below the
waterline or otherwise in the water next to, near or underneath a vessel.
Diving operations are to be performed ONLY by professional registered divers.
No
C
o
m
p
an
y e
m
ployee i
s
au
thori
s
e
d
to
und
ert
ak
e
an
y
d
ivi
n
g
t
ask w
h
a
t
s
oever.
Hazards associated to personnel performing the work include but are not limited to:
x
The risk from operating machinery (propellers, thrusters, sea inlets, suctions, etc);
x
Risks from other vessels in the vicinity;
x
Risks from dropped objects from the vessel or other places in the vicinity;
x
Underwater hazards (ropes, wires, objects, etc);
x
Normal hazards associated with Diving physiology.
The Diving Checklist identifies the safety measures necessary.
P
re
cau
tio
ns &
A
wa
re
n
e
ss
x
Verification of a valid diving permit/license
shall
be made by the
M
as
ter
or by a sub-contracted
professional diver;
x
Authorisation from the
M
as
ter
or designated officer
shall
be obtained;
x
Identification and use of the correct equipment
shall
be completed;
x
An additional qualified diver
shall
oversee the operation as
su
pervi
s
or
;
x
The operation
shall
be coordinated and monitored from the vessel’s deck/quayside by the
A
u
thori
s
i
n
g
P
er
s
o
n
or competent person in addition to the
d
ivi
n
g
su
pervi
s
or
;
x
Ensure that tidal currents and other present and expected weather/natural conditions are known and
constantly monitored;
x
Any applicable authorities (
H
a
r
b
o
u
r M
as
ter
, etc.)
shall
be informed of the operation;
x
The duty engineering personnel
shall
be fully informed and aware of the proposed diving operations;
x
All means of propulsion, including main engines and all thrusters
shall
be isolated and secured using
Lock-Out/Tag-Out instructions;
x
Ensure only high sea suctions (opposite to dive side) are used;
x
Overboard discharges
shall
be prevented on the dive side when applicable;
x
Scuppers and freeing ports
shall
be secured to prevent objects falling overboard;
x
The International Code Signal Flag (A – Alpha)
shall
be flown in a position clearly visible and
“Securite” transmissions made as applicable to notify and warn other shipping of the diving
operations;
x
Ensure that all relevant personnel are informed.
4.1
5
I
s
ol
a
tio
ns
thro
u
g
h
L
o
ck-Ou
t
/Ta
g
-Ou
t
This Lock-Out/Tag-Out instruction is designed to safeguard personnel performing maintenance or repair on:
x
Machinery;
x
Generating or supplied by electricity;
x
Pressurised energy sources (steam, oil, hydraulic fluid, air, etc.).
When maintenance or servicing is required on any machinery or equipment it
shall
first be shut down and
isolated from the energy source to prevent any unexpected machinery or equipment start up or the release of
Version 04. Original date: 25/05/2012. Version date: 31/12/2014. Valid version only on QMS site. Uncontrolled document when printed.
Procedure prepared by: BOS QHSES Coordinator. Approved by: BOS QHSES Manager. Validated by: BOS Quality Representative.
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538