HX THERMAL SOLUTION SDN BHD
(684551-H)
No.16, Jalan BK 1/12, Taman Perindustrian Kinrara, 47180 Puchong Selangor Malaysia
Tel: +603-8075 5513, +603-8075 7800, +603-8076 3881 Fax: +603-8075 5561
Email: info@hx.com.my Web: www.hx.com.my
Approval No: ISO 9001 – 0048649
Job Safety Analysis
Date : 20/03/2023
JSA No :
Scope of Work : Dismantle, cleaning and assembly of Plate Heat Exchanger
Workers on Duty : Nazmi/Syazwan/Amirul/Hafiz
Supervisor : Ng Ting Sung/ Saiful
PPE required : Safety Helmet, Safety shoes, Safety Google, Glove Fire Blanket & Dust
Potential Hazard
No
General Work Flow
A
B
C
D
1. Site inspection
2. Provision work
3. Mobilise
4. Dismantle/assembly of Plate Heat Exchanger
before and after cleaning
1.1 Process and Chemicals Hazard
Page 1 of 1
Analized by :
Recommended Safety Procedures
1.1.1 Attending safety briefing
1.1.2 Wearing proper PPE
1.1.3 Lock out / tag out insulation system/ Test Out
2.1 Pressure
2.1.1 Depressurized vessel / line
2.2 Chemicals Hazard
2.2.1 Chemical drain
2.2.2 Cleaning and flushing
2.2.3 Ventilation in manhole
2.2.4 Blind flanges & stripes
2.2.5 Usage of related main valve LOTO key / switch
3.1 Plant Hazard
3.1.1 Obtaining a permit to work & display
3.1.2 Wearing the correct PPE
3.2 Hazard to non-standard electrical appliances
3.2.1 Electrical tools verified by wireman
3.3 Bad weather
3.3.1 Stop working immediately
4.1 Process Hazard
4.1.1 Obtaining a permit to work & display
4.1.2 Wearing the correct PPE
4.1.3 Confirming that the isolation valve plant is closed
4.1.4 Lossen the bottom bolt to drain waste product and keep a safe
4.1.5 Start working after confirming the washing and seperation plant
4.2 Backpain to workers
4.2.1 Usage of torque or pnuematic tool and loosening / tightening of
bolts
4.2.2 Using chainblock, chains and belts are in good condition
4.3 Gasket leakage during pressure test at site
4.3.1 Using the correct gaskets (use the original gasket as reference)
4.3.2 Using the same bolts and nuts and keep it nicely
4.3.3 Using proper techniques for regasketing / retightening
5. Cleaning of work place using high pressure jet
5.1 Hose leakage
5.1.1 Ensure hose in good condition
5.1.2 Ensure all connections fully tighten before the test start
5.1.3 Adequate lighting
5.2 Water splash
5.2.1 Protect all electric cabel / wire / electrical equipment using
plastic
5.2.2 Drying / wipe any damp area after work
5.3 Electric shock
5.3.1 Wireman to verified electrical equipment
5.3.2 Using standard industrial electrical equipment (cables,
connections and plug)
5.3.3 LOTO related motor pump
5.3.4 Getting permission to use the circuit breaker / ELCB (earth
leakage circuit breaker)
5.3.5 To use the appropriate power plug point and match as in the
factory
5.4 After cleaning chemicals
5.4.1 Make sure the cleaning work done at the water and chemicals
area that can be sent to the water treatment plant
6.1 Hose leakage
6.1.1 Ensure hose in good condition
6.1.2 Ensure all connections fully tighten before the test start
6.2 Water supply
6.2.1 Protect all electric cabel / wire / electrical equipment using
plastic
6.2.2 Ensure the water supply adequately
6.2.3 Drying / wipe any damp area after work
E
F
6. Pressure test using electric pump
6.3 Electric shock
6.4 Gasket failure during pressure test at site
G
7. Housekeeping & demobilization
6.3.1 Wireman to verified electrical equipment
6.3.2 Using standard industrial electrical equipment (cables,
connections and plug)
6.3.3 LOTO related motor pump
6.3.4 Getting permission to use the circuit breaker / ELCB (earth
leakage circuit breaker)
6.3.5 To use the appropriate power plug point and match as in the
factory
6.4.1 Using the correct gaskets (use the original gasket as reference)
6.4.2 Using the same bolts and nuts and keep it nicely
6.4.3 Using proper techniques for regasketing / retightening
7.1 Plant Hazard
7.1.1 Obtaining a permit to work & display
7.1.2 Using correct PPE
7.2 Unnecessary things at workplace
7.2.1 Verified by owner