Smart JSA Bridge

⚠️ [Caution] This sample is for reference only. Risk assessments must be conducted based on actual inspections tailored to specific processes.Smart JSA Bridge is not responsible for any legal consequences arising from the use of this material.

CHEMICAL & GAS SAFETY

Chemical & Gas Work JSASample Guides (10 Types)

Standard risk analysis data for processes involving high-pressure gasand toxic chemicals. Please check the detailed images.

CHEM-01

Shell & Tube Heat Exchanger Inspection & High-Pressure Water Jet Cleaning

⚠ Critical Hazard Factors

Tissue penetration by high-pressure water, chemical burns from residual fluids

🛡 Essential Safety Measures

Wear specialized protective suits, fully open drain valves, and follow LOTO procedures

JSA Report Preview

Shell & Tube Heat Exchanger Inspection & High-Pressure Water Jet Cleaning Preview
CHEM-02

High-Pressure Hydrogen Compressor Packing Replacement

⚠ Critical Hazard Factors

Explosion due to hydrogen leakage, asphyxiation due to nitrogen purging

🛡 Essential Safety Measures

Verify 0% hydrogen with portable gas detectors, wear anti-static clothing, and use non-sparking tools

JSA Report Preview

High-Pressure Hydrogen Compressor Packing Replacement Preview
CHEM-03

Toxic Chemical Piping Valve & Gasket Replacement

⚠ Critical Hazard Factors

Splashing of residual liquids during flange disassembly, toxic gas poisoning

🛡 Essential Safety Measures

Wear full-face gas masks, loosen bolts sequentially away from the body

JSA Report Preview

Toxic Chemical Piping Valve & Gasket Replacement Preview
CHEM-04

Flare Stack Tip Replacement & Ignition System Maintenance

⚠ Critical Hazard Factors

Falls due to high winds, fire exposure if residual gas ignites

🛡 Essential Safety Measures

Monitor wind speed (prohibited above 10m/s), use double-lanyard safety harnesses, and verify DCS isolation

JSA Report Preview

Flare Stack Tip Replacement & Ignition System Maintenance Preview
CHEM-05

Function Check of Emergency Disaster Prevention Equipment

⚠ Critical Hazard Factors

Impact from hose detachment during high-pressure water discharge, gas inhalation

🛡 Essential Safety Measures

Verify hose safety pin engagement, work with back to the wind, and use dedicated caps

JSA Report Preview

Function Check of Emergency Disaster Prevention Equipment Preview
CHEM-06

PSA Adsorption Tower Lower Automatic Valve Inspection

⚠ Critical Hazard Factors

Crushing due to unexpected valve operation, respiratory issues from adsorbent dust

🛡 Essential Safety Measures

Remove residual pneumatic pressure, implement LOTO, and wear high-efficiency dust masks

JSA Report Preview

PSA Adsorption Tower Lower Automatic Valve Inspection Preview
CHEM-07

Internal Visual Inspection & NDT of High-Pressure Hydrogen Storage Tanks

⚠ Critical Hazard Factors

Asphyxiation in confined space, explosion caused by lighting leakage

🛡 Essential Safety Measures

Measure gas concentration at top/middle/bottom, use forced ventilation and explosion-proof low-voltage (under 24V) lighting

JSA Report Preview

Internal Visual Inspection & NDT of High-Pressure Hydrogen Storage Tanks Preview
CHEM-08

High-Pressure Hydrogen Tanker Unloading & Charging Bay Connection

⚠ Critical Hazard Factors

Crushing due to vehicle rolling, hydrogen gas explosion due to static discharge

🛡 Essential Safety Measures

Install 2 or more wheel chocks, connect grounding clamps first, and verify resistance

JSA Report Preview

High-Pressure Hydrogen Tanker Unloading & Charging Bay Connection Preview
CHEM-09

DCS/PLC Panel Inspection & Field Transmitter Calibration

⚠ Critical Hazard Factors

Unexpected process shutdown due to interlock failure, electric shock from live parts

🛡 Essential Safety Measures

Double-check DCS bypass status, verify use of insulated gloves and anti-static clothing

JSA Report Preview

DCS/PLC Panel Inspection & Field Transmitter Calibration Preview
CHEM-10

Cooling Water System Biocide & Corrosion Inhibitor Chemical Replenishment

⚠ Critical Hazard Factors

Gas explosion if different chemicals mix, chemical eruption when opening containers

🛡 Essential Safety Measures

Double-check chemical labels, store separately, and relieve internal pressure while wearing face protection

JSA Report Preview

Cooling Water System Biocide & Corrosion Inhibitor Chemical Replenishment Preview