JSA #13 -H2S Detector

Job Safety Analysis Sheet JOB DESCRIPTION: Functional Testing of H2S Detectors

JSA Ref. No. JSA / KOC / 13

Facility:

Permit No. Date:

Work Area / Equipment:

PERSONAL PROTECTIVE EQUIPMENT & TOOLS: Hard Hat, Safety Shoes, Hand Gloves, Coverall, Portable Radio, Escape Mask SEQUENCE OF BASIC JOB STEPS

POTENTIAL HAZARDS Non – compliance of HSE MS Procedures

Yes / No

PRECAUTIONS



Refer HSEMS Procedure - Doc. No. SA.KOC.004 “Permit to Work”.



Take a Cold Work Permit from Asset Owner.



Ensure test bottle (containing H2S Gas of 10 ppm concentration) & accessories are free from defect & not leaking.



Refer manufacturer instruction for refilling of test gas bottle.



Assess the risk & Override the H2S detector to be function tested.



Do not remove override prior to resetting the alarm in the panel.



Maintain a radio communication between worker at Gas Detector site and the person stationed near F & G panel / Control Room.



Ensure the identity of detector before charging the gas into it.

Defective Tool & Equipment Planning Unintended Shutdown of Facility / Equipment

Lack of Communication

Wrong Identity of Gas Detector

 Excessive Charging of H2S to Detector

Apply only the required amount of gas as needed to actuate the detector sensor.



Refer manufactures instruction for functional testing & calibration of detector.

Toxic Gas Leak



Keep the Test Bottle valve closed when not in use.



Do not bring any naked flame or spark generating equipment near the test gas bottle.



Do not dismantle or puncture the test gas bottle even if empty.



Confirm the alarm communication.



Keep the test bottle in safe and secured location.



Do not dispose the empty bottle unsafely.



Refer manufacturer instruction for safe disposal / transportation of empty bottle.



Ensure proper wind up & housekeeping at worksite.



Remove the gas detector override after resetting the alarm in the panel.

Functional Testing Fire & Explosion

Fault Alarm

Unsafe Storage / Disposal of Test Bottle

Windup & Housekeeping

Scattered Material

Additional Hazards (Other than indicated above)

JSA Done By

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

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

on

gas

charging

through

radio