2409.2.3 Sources of ignition.

Sources of ignition in resin application areas shall comply with the requirements of FC 2403.2.

2409.3 Operation and maintenance.

Facilities in which indoor manufacturing processes involving spray or hand application of reinforced plastics are conducted shall be operated and maintained in compliance with the requirements of this section and FC 2403.3 and 2403.4.

2409.3.1 Handling of excess catalyzed resin.

A noncombustible, open-top container shall be provided for disposal of excess catalyzed resin. Excess catalyzed resin shall be drained into the container while still in the liquid state. Enough water shall be provided in the container to maintain a minimum 2-inch (51-mm) water layer over contained resin.

2409.3.2 Control of overchop.

In areas where chopper guns are used, exposed wall and floor surfaces shall be covered with paper, polyethylene film or other approved material to allow for removal of overchop. Overchop shall be allowed to cure for not less than 4 hours prior to removal of the wall and floor coverings. Used coverings shall be placed in a noncombustible container and removed from the premises.

2409.3.3 Storage and use of hazardous materials.

Storage and use of organic peroxides shall be in accordance with FC 2408 and FC Chapter 62. Storage and use of flammable and combustible liquids shall be in accordance with FC Chapter 57. Storage and use of unstable (reactive) materials shall be in accordance with FC Chapter 66.