- Areas where the sprinkler system is impaired.
- Areas where there exists the potential of an explosive atmosphere, such as locations where flammable gases, liquids or vapors are present.
- Areas with readily ignitable materials, such as storage of large quantities of bulk sulfur, baled paper, cotton, lint, dust or loose combustible materials.
- On board ships at dock or ships under construction or repair.
- At other locations as specified by the fire code official.
HOT WORK IN PROGRESS
Exception: Where the hot work area has no fire hazards or combustible exposures.
- Hot work equipment to be used shall be in satisfactory operating condition and in good repair.
- Hot work site is clear of combustibles or combustibles are protected.
- Exposed construction is of noncombustible materials or, if combustible, then protected.
- Openings are protected.
- Floors are kept clean.
- No exposed combustibles are located on the opposite side of partitions, walls, ceilings or floors.
- Fire watches, where required, are assigned.
- Approved actions have been taken to prevent accidental activation of suppression and detection equipment in accordance with Sections 3504.1.8 and 3504.1.9.
- Fire extinguishers and fire hoses (where provided) are operable and available.
- Carts shall be kept away from the cutting or welding operation in accordance with Section 3505.5 or fire-resistant shields shall be provided.
- Cylinders shall be secured to the cart to resist movement.
- Carts shall be in accordance with Section 5003.10.3.
- Cylinder valves not having fixed hand wheels shall have keys, handles or nonadjustable wrenches on valve stems while the cylinders are in service.
- Cylinder valve outlet connections shall conform to the requirements of CGA V-1.
- Cylinder valves shall be closed when work is finished.
- Cylinder valves shall be closed before moving the cart.
- Above-ground piping systems shall be marked in accordance with ASME A13.1.
- Station outlets shall be marked to indicate their intended usage.
- Signs shall be posted, indicating clearly the location and identity of section shutoff valves.
DO NOT CONNECT HIGH-PRESSURE CYLINDERS
MAXIMUM PRESSURE 250 PSIG
- Use alternative methods to avoid hot work where possible.
- Analyze the hazards prior to performing hot work, identify the potential hazards and the methods of hazard control.
- Hot work shall conform to the requirements of the code or standard to which the container was originally fabricated.
- Test the immediate and surrounding work area with a combustible gas detector and provide for a means of continuing monitoring while conducting the hot work.
- Qualified employees and contractors performing hot work shall use an industry-approved hot work permit system to control the work.
- Personnel shall be properly trained on hot work policies and procedures regarding equipment, safety, hazard controls and job-specific requirements.
- On-site safety supervision shall be present where hot work is in progress to protect the personnel conducting the hot work and provide additional overview of site-specific hazards.