Page 35 - HSSE Contractor Requirement

HSSE REQUIREMENT FOR CONTRACTOR, ALLO TECHNOLOGY
EDITION 01

IV. Cylinders shall be returned promptly to a designated storage area after use. They shall not
be left at any location.
V. Flammable gases and oxygen cylinders shall not be stored in close proximity (minimum 3
m) unless separated by a non-combustible wall/partition.
VI. Cylinders may only be hoisted when enclosed in an approved box or cradle within which
they are securely fastened.
VII. Cylinders must be identified by a color code in accordance with Malaysian legislative
requirement.
VIII. Periodical and pre-job inspection shall be carried out on the cylinder with accessories such
as but not limited to leak test, functionality test for regulator and check valve.
IX. Gas welding cylinders shall have hose check valves (non-return valves), which allow gases
to the blowpipe, but not back from it. Flashback arrestors shall be installed to prevent
flashback flames in both oxygen and fuel gas outlet lines.
X. Outlet from gas cylinders to be fitted with check valves which will shut down in case of any
pressure drop in the hose.

8.2. Welding, Cutting and Hot Work
a) The Contractor shall ensure only competent welder be allowed to use welding equipment.
b) The Contractor shall ensure suitable precautions against exposure of welding hazards such as
excessive ultraviolet radiation, fire, or dusts.
c) Welding, and/or flame cutting in the vicinity of flammable or combustible items shall only be
done under the control of the PTW.
d) Trained Fire Watcher (“FW”) shall be assigned to each work activity if required under the PTW.
The Employer may consider the employment of a single FW to oversee work activities within
vicinity of few locations.
e) FW shall attend formal training conducted by a recognized training provider by the Fire and
Rescue Department Malaysia.
f) When required in the PTW, The Contractor shall be responsible to provide appropriate number
of gas monitoring devices (explosive proof type) during the execution of any hot work activities.
Gas monitoring devices shall be periodically calibrated with certificate or tags available.
g) The Contractor shall provide adequate numbers of suitable fire extinguishers are accessible at
hot work area. Welders must be competent in use of these extinguishers.

9. SPECIAL WORK SITUATIONS
9.1. Working in Confined Space
a) All confined space works shall be performed in accordance with DOSH Confined Space Entry Code
of Practice 2010. (Example Authorized person, standby person, authorized gas tester, Medical
Fitness, PPE, etc.)
b) Entry by a worker into any confined space shall be under the control of a suitable written
procedure meeting all legislations and the Employer’s requirements for testing, ventilation,
recording or test data and personal protection.
c) The Contractor is responsible for ensuring that all necessary test and protective measures are
implemented. Dangerous gases or oxygen deficiency cannot be detected by sight or smell and
areas which may contain a harmful atmosphere must be properly tested. All areas found to be