How are flammable liquid safety cabinets designed, constructed and tested to meet NFPA 30?
A. NFPA 30 Chapter 4.3.3 (b) and OSHA 29 CFR 1910.106 (d)(3)(ii)(a) state, Metal cabinets constructed in the following manner are acceptable. The bottom, top, door, and sides of cabinet shall be at least No. 18 gauge sheet steel and doubled walled with 1-1/2 inches (3.8 cm) air space. Joints shall be riveted, welded or made tight by some equally effective means. The door shall be provided with athree-point latch arrangement and the door sill shall be raised at least 2 inches (5 cm) above the bottom of the cabinet to retain spilled liquid within the cabinet. NFPA 30 Chapter 4.3.3 (a) also states, Storage cabinets shall be designed and constructed to limit the internal temperature at the center, 1 inch (2.5 cm) from the top, to not more than 325 degrees F (162.8 degrees C) when subjected to a 10-minute fire test with burners simulating a room fire exposure using the standard time-temperature curve as given in NFPA 251, Standard Methods of Fire Tests of Building Construction and Materials
A. NFPA 30 Chapter 4.3.3 (b) and OSHA 29 CFR 1910.106 (d)(3)(ii)(a) state, Metal cabinets constructed in the following manner are acceptable. The bottom, top, door, and sides of cabinet shall be at least No. 18 gauge sheet steel and doubled walled with 1-1/2 inches (3.8 cm) air space. Joints shall be riveted, welded or made tight by some equally effective means. The door shall be provided with a three-point latch arrangement and the door sill shall be raised at least 2 inches (5 cm) above the bottom of the cabinet to retain spilled liquid within the cabinet. NFPA 30 Chapter 4.3.3 (a) also states, “Storage cabinets shall be designed and constructed to limit the internal temperature at the center, 1 inch (2.5 cm) from the top, to not more than 325° F (162.8° C) when subjected to a 10-minute fire test with burners simulating a room fire exposure using the standard time-temperature curve as given in NFPA 251, Standard Methods of Fire Tests of Building Construction and Materials.
