Alabama Compressed Gases and Cryogenic Fluids Code 2020
Adoption Info
Effective Dates
- January 1, 2020 – Present (adoption varies by jurisdiction within Alabama)
Adopts with Amendments
- NFPA 55-2020 (Compressed Gases and Cryogenic Fluids Code)
Scope
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The Alabama Compressed Gases and Cryogenic Fluids Code 2020 provides requirements for the safe storage, handling, transportation, and use of compressed gases and cryogenic fluids. This code applies to industrial, commercial, and institutional settings where such materials are used, ensuring safety for personnel, property, and the environment.
Exception #1: Certain small-scale applications, such as portable medical oxygen systems, may follow alternate requirements as approved by the authority having jurisdiction (AHJ).
Exception #2: Agricultural use of compressed gases or cryogenic fluids may follow specific exemptions based on usage and local regulations.
CODE REFERENCE GUIDE
| Area | Primary | Supplement |
|---|---|---|
| Storage of Compressed Gases | NFPA 55-2020 | NONE |
| Handling and Transportation Requirements | NFPA 55-2020 | NONE |
| Installation Standards for Gas Systems | NFPA 55-2020 | NONE |
| Cryogenic Fluid Storage and Use | NFPA 55-2020 | NONE |
| Pressure Relief and Safety Devices | NFPA 55-2020 | NONE |
| Emergency Venting and Containment | NFPA 55-2020 | NONE |
| Fire and Life Safety Compliance | NFPA 55-2020 | NONE |
Key Highlights
- Storage Requirements
- Compressed gases must be stored in approved cylinders, containers, or tanks with proper labeling.
- Cryogenic fluids must be stored in insulated containers to prevent excessive pressure build-up and minimize boil-off.
- Separation Distances
- Storage areas must maintain minimum separation distances from ignition sources, incompatible materials, and building exits.
- Separation distances are determined based on the type, volume, and hazard class of the material.
- Handling and Transportation
- Cylinders and containers must be secured during transportation to prevent tipping or rolling.
- Personnel must be trained in proper handling techniques to avoid accidental releases or exposure.
- Ventilation
- Storage and usage areas for compressed gases and cryogenic fluids must have adequate ventilation to prevent the accumulation of hazardous gases.
- Ventilation systems must meet NFPA 55 standards for air changes and exhaust placement.
- Pressure Relief Systems
- All systems handling compressed gases or cryogenic fluids must include pressure relief devices to prevent over-pressurization.
- Relief devices must be tested and maintained regularly to ensure proper operation.
- Emergency Planning
- Facilities using compressed gases and cryogenic fluids must have an emergency response plan in place.
- Plans must include procedures for handling leaks, spills, and fires, as well as the availability of safety equipment like gas detectors and personal protective equipment (PPE).
- Labeling and Signage
- Storage areas must display clear signage indicating the type of material, hazard classification, and emergency procedures.
- Containers and cylinders must have labels identifying their contents, hazards, and handling precautions.
- Inspection and Maintenance
- Regular inspections are required to ensure the integrity of storage systems, piping, and pressure-relief devices.
- Maintenance logs must be kept to track inspections and repairs.
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