jsa-grinding-welding-gas-cutting. riskpdf

job risk identification

1. Company Logo
JOB SAFET ANALYSIS
Project:
Ref No.:
Grinding, Welding & Gas cutting
Rev No.:
Page: 1 of 3


Prepared by: Reviewed by:

Approved by: Date:


Step
No.
Description of
Task Step
Hazard
Control Measures/
Preventive Measures
Responsible
Person

1

Work start-up
& obtaining
PTW

 Unauthorized work

 Invalid permit

 Lack of competency

 Lack or poor
communication

 Haste or shortcut

 Obtain a hot work permit before starting the job
 Get the permit validated for the specific day
 Supervisor must ensure that all work activities are
carried out by competent personnel
 Conduct Toolbox meeting, review the Method
statement and Job safety analysis to all craftsmen
involved in the work activities.
 Responsible person will conduct inspection,
monitor the work activities and have to ensure
safety standards and procedures are strictly
adhered to.

PTW applicant
Supervisor
PTW holder

2

Grinding

 Rotating equipment
sparks.
 Damaged grinding
disc





 Make sure guards are fitted to all moving parts
 Ensure the proper use of guards
 Inspect the grinding discs prior to starting work
(ring test)
 Make sure that disc is compatible with the
grinding machine
 Check the RPM of disc & machine
 Proper PPE (Gloves + Mask).

Supervisor

2. Company Logo
JOB SAFET ANALYSIS
Project:
Ref No.:
Grinding, Welding & Gas cutting
Rev No.:
Page: 2 of 3
Step
No.
Description of
Task Step
Hazard
Control Measures/
Preventive Measures
Responsible
Person
 Electrocution.

 High Pressure air

 Flying object/eye
injuries
 Correct installation of Grinder Wheel.
 Gas monitor correctly sited.

 Spark containment to be used.

 Only experienced personnel to use the
equipment.

 Wear a face shield while grinding

 Make sure an eye wash station is available nearby

3

Gas Cutting

 Burns.
 Fire Hazard.
 Explosion.
 Tripping.
 Damaged or leaking
cylinders or hoses

 Proper isolation of system.
 All cylinders to be secured.
 Flame arrestor between the cylinder & torch
 Hoses in good condition.
 Proper PPE.
 Trained Fire Watch.
 Gas Monitor correctly sited.
 Correct Fire Extinguisher(s).
 Deployment of Experienced personnel.
 Cordoning of the area.
 Fire Blanket.
 Inspect the cylinders & hoses before starting the
job


Supervisor &
Workers

3. Company Logo
JOB SAFET ANALYSIS
Project:
Ref No.:
Grinding, Welding & Gas cutting
Rev No.:
Page: 3 of 3
Step
No.
Description of
Task Step
Hazard
Control Measures/
Preventive Measures
Responsible
Person

4

Welding

 Fire Hazard

 Burns.


 Electrocution/
Spatter burns

 Damage cable

 Hot tabs end pieces
of welding rods.

 Sparking

 Damage cable



 UV rays

 Before starting welding make sure the area is
clear of all types of combustible materials
 Provide a fire blanket on site
 Make sure fire extinguishers are available on site
 Wear proper PPE for welding ie., leather jackets,
Gloves, welding goggles/welding mask,
 Trained Fire Watch.
 Gas Monitor correctly sited.
 Certified Equipment and to be sited as near as
possible to work site.
 Proper earthing of equipment.
 Certified Welder.
 Make sure spark containment is used such as a
welding hood/fire blanket.
 Ensure that rod holder is in good condition.
 Ensure that forward and return cables are in good
working condition.
 Use proper cable connector for extension.
 If cables are crossing the road then ensure proper
protection.
 The welder & the welder helpers must wear
welding goggles

Supervisor &
Workers