JSA #22- Grit Blasting

Job Safety Analysis Sheet Job Description: Grit Blasting

JSA Ref. No. JSA / KOC / 22

Facility:

Work Area / Equipment:

Permit No: Date:

Personal Protective Equipment & Tools Needed For Work Activities: Hard Hat, Safety Shoes, Airline Respirator, Blasting Hood, Gloves, Ear Muffs, Coverall, Apron, Blasting Gun, Air Supply Hose, Regulator, Filter, Gas Detector, Mobile Air Compressor, Dust Mask. SEQUENCE OF BASIC JOB STEPS

POTENTIAL HAZARDS

Yes / No

PRECAUTIONS

•

Refer HSEMS Procedure SA.KOC.011 “High Pressure Water Jetting, Abrasive Blast Cleaning & Steam Cleaning” and Chapter 9 Of KOC F & S Regulations

•

Obtain hot work permit & conduct Tool Box Talk

•

Ensure workers involved in grit blasting are trained & competent to carry out the work safely.

•

Never use instrument air for grit blasting work.

•

Keep a watch on instrument air pressure header.

•

Arrange approved Mobile Air Compressor to supply air for grit blasting work & place it securely at proper location.

Non-compliance of KOC -HSEMS Procedures, F & S Regulations

Untrained Workers

Pre - Work

Facility Shutdown due to Low Instrument Pressure

Presence of Flammable / Toxic Vapors

Ensure the area where grit blasting will take place is free from flammable / toxic vapor. •

Never use sand / crystalline silica in place of grit for abrasive cleaning. • Ensure the respiratory equipment such as air line hose, pressure regulator, filter is free from defect. • Ensure flexible hose, bull dog clamps & joints for grit blasting are suitable for pressure rating of the system. • Ensure workers involved in grit blasting are wearing required PPEs. •

Incorrect or Defective Material / Equipment

Enclose the grit blasting area with tarpaulin and post warning notice. •

Ensure the blast gun is fitted with Emergency Release Handle (Dead man’s Handle), and it is functional.

Exposure of Dust, Noise & Injury to Workers

•

•

Ensure continuous supply of breathing air to the blast

hood. Do not leave the grit blast equipment un- attended with air supply on. •

Work

•

Lack of Communication

•

• •

•

House Keeping

Scattered Materials

Establish emergency communication between Grit Blasting Supervisor and Grit Blaster. Never allow any spray painting at the location; where grit blasting is in progress. Stop mobile compressor while fueling. Check all pipe work / equipment to be grit blasted is adequately bonded to prevent accumulation of electrostatic charges. Arrange the recovery and safe disposal of spent grit. Ensure proper wind up of equipment, tools & tidiness of the work area. •

Fire & Explosion

Static Electricity

Ensure the presence of Grit Blasting Supervisor in the

area.

•

Additional Hazards (Other than indicated above)

JSA Done By

Name: KOC / ID. No. Controlling Team: Signature:

Designation: Company: Contract No.(If Applicable): Date: