Job Safety Analysis/ Job Hazard Analysis for the use of hand tools
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Keselmatan alat angkat dan angkut
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Deskripsi lengkap
chipping
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Job Safety Analysis Sheet Job: Valve Replacement
JSA Ref. No. JSA / KOC / 36 Work Area / Equipment:
Facility:
Permit No: Date:
PERSONAL PROTECTIVE EQUIPMENT & TOOLS NEEDED FOR WORK ACTIVITIES: Hard Hat, Safety Shoes, Safety Goggles, Hand Gloves, Hammer, Spanner, Gas Monitor, Chain Pulley, Airline Unit, Safety Harness SEQUENCE OF BASIC JOB STEPS
POTENTIAL HAZARDS
Yes / No
Lack of Communication Non-compliance of KOC -HSEMS Procedures
Pre - work
PRECAUTIONS
•
Plan the work involving personnel responsible for preparation (isolation, depressurization, draining & gas testing etc) of the valve to be replaced.
•
Obtain the required work permits.
•
Conduct Tool Box Talk
•
Identify the valve to be replaced referring P & ID.
•
Ensure the upstream as well as downstream of the valve to be replaced are isolated properly.
Incorrect Isolation
•
Use Lock & Tag
•
Depressurize / drain the fluid to safe location.
•
Override the gas detectors if required.
•
Carry out gas test for safe working area.
Incorrect Valve
•
Arrange correct specification valve for replacement.
Upstream / Downstream Isolation Valve Passing
•
Presence of Flammable / Toxic vapors
Confirm Upstream / Downstream isolation valve integrity by opening slightly the nearest vent / drain point.
Spark Generation / Fire
•
Verify the work area is gas free.
•
Use non sparking tools in hazardous location.
•
Erect secured scaffolding at properly leveled ground in case the valve to be replaced is located at height.
•
Fall , Slip, Injury
Use safety harness while working at height.
• Use appropriate lifting tools & tackles (such as Chain Pulley, Winch) for supporting the valve to be removed or installed.
Valve Replacement
Check the work area is free from toxic vapor. Exposure to Toxic Vapor
•
Slightly open one bolt / stud to confirm no pressure. Use air line unit if required.
Splash of Hazardous Fluid
•
Use safety goggles
•
Loosen the bolts / studs slowly. •
Leak / Spill
Windup & Housekeeping
Scattered Material
Remove old valve & install new valve safely.
•
Use gasket of proper rating & specification as required. •
Tighten all the studs & bolts uniformly.
•
Ensure proper wind up & housekeeping at worksite.
•
The lifting tools, tackles, scaffolding must be removed after ensuring valve stability.