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JSA For Purging Nitrogen

This Job Safety Analysis sheet summarizes the hazards and safety precautions for performing a nitrogen purge of equipment. The key steps are planning, purging, and windup. Hazards include lack of communication, energized equipment, pressurized fluids, improper tools, and unsafe disposal of purged fluids. Precautions include permitting, isolation and draining of equipment, using the proper nitrogen supply, barricading work areas, calculating nitrogen needs, and properly disposing of and storing equipment after purging.

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2K views1 page

JSA For Purging Nitrogen

This Job Safety Analysis sheet summarizes the hazards and safety precautions for performing a nitrogen purge of equipment. The key steps are planning, purging, and windup. Hazards include lack of communication, energized equipment, pressurized fluids, improper tools, and unsafe disposal of purged fluids. Precautions include permitting, isolation and draining of equipment, using the proper nitrogen supply, barricading work areas, calculating nitrogen needs, and properly disposing of and storing equipment after purging.

Uploaded by

lina ekawati
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Job Safety Analysis Sheet

JOB DESCRIPTION: Nitrogen Purgi JSA Ref. No.

Facility: Work Area / Equipment: Permit No.


Date:

PERSONAL PROTECTIVE EQUIPMENT: Hard Hat, Safety Shoes, Hand Gloves, Safety Harness, BA Set / Airline Unit, Safety Goggles, Multi –
gas Detector,

SEQUENCE OF Yes /
POTENTIAL HAZARDS PRECAUTIONS
BASIC JOB STEPS No

⮚ Plan the work involving personnel responsible for preparation


Lack of Communication (such as isolation, depressurization, draining, venting, flushing) of the
equipment / system to be purged.

Non-compliance of KOC - ⮚ Refer Chapter – 11 “Crude Oil Storage, Pipeline & Oil Spill”
HSEMS Procedures, F & S of KOC F & S Regions, and HSEMS Procedure Doc. No. SA.KOC.004
Regulations “Permit to Work”

⮚ Ensure the equipment / system to be purged is positively


Energized Equipment isolated from all sources of energy (hydraulic, pneumatic, electrical etc.)
⮚ Use multilock & tag for isolation carried out.
Planning
⮚ Ensure the equipment / system is depressurized & content is
Pressurized Fluid
drained safely.

⮚ Arrange the adequate Nitrogen Cylinders / Unit considering


the volume to be purged.
Nitrogen Cylinders / Unit
⮚ Ensure the deployment of Nitrogen unit inside the plant does
not create any hazard for the facility.

Flammable & / or Toxic ⮚ Ensure the confined space is flushed, purged and thoroughly
Atmosphere ventilated as required.

Unauthorized Work ⮚ Obtain the required permits from the permit issuer.

⮚ Ensure the tools (such as N2 Unit, Pump, Hose, Coupling &


Improper / Defective Tools
Pressure Gauges etc) to be used are free from defect.

Rupture of Nitrogen Supply ⮚ Ensure the N2 supply hoses and couplings are rated for the
Hoses & Couplings required service and pressure.

⮚ Stay away from the pressurized N2 hose & coupling to avoid


Cold Burn cold burn in case of leak.
⮚ Barricade the area & post warning notice.
Purging
⮚ Calculate the amount of N2 required for the volume to be
Excess or Less Nitrogen purged.
Supply
⮚ Keep a close watch on the N2 supply flow meter.

⮚ Ensure the disposal of purged volume to a safe location such


Unsafe Disposal of Purged Fluid
as flare or vent.

Lack of Oxygen ⮚ Do not enter a vessel / tank / pipeline which is purged with N2.

⮚ Ensure proper wind up & housekeeping at worksite.


Windup &
Housekeeping
Scattered Material ⮚ The accessories (tools, hoses, couplings) must be
disconnected and stored properly.

Additional Hazards
(Other than indicated
above)

Name: Designation:
. Company:
JSA Done By
Controlling Team: Contract No.(If Applicable):
Signature: Date:

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