5604.3 Magazines.
FC § 5604.3
The storage of explosives in magazines shall comply with the requirements of FC 5604.3.1 through 5604.3.4 and FC Table 5604.3. Explosives shall be stored in magazines constructed, installed, operated and maintained in accordance with the requirements of this section, NFPA 495, NFPA 1124 and, except for portable or mobile magazines not exceeding 120 square feet (11 m 2) in area, the construction codes including the Building Code. FC Table 5604.3Storage Amounts and Magazine Requirements for Explosives Maximum Allowable Quantity per Control Area New UN/DOTn DivisionOld DOTn ClassATF/OSHA ClassIndoor a (pounds)Outdoors(pounds)Magazine Type AllowedUnprotectedCabinetSprinklersSprinklers & Cabinet 12345New UN/DOTn DivisionOld DOTn ClassATF/OSHA ClassIndoor a (pounds)Outdoors(pounds)Magazine Type AllowedUnprotectedCabinetSprinklersSprinklers & Cabinet 123451.1AHigh00000XXX——1.2AHigh00120XXX——1.2BLow00120XXXX—1.3 bBLow005100XXXX—1.4BLow00501000XXXX—1.5CLow00120XXXX—1.5Blasing AgentBlasing Agent00120XXXXX1.6N/AN/A00120XXXXX For SI: 1 pound = 0.454 kg, 1 pound per gallon = 0.12 kg per liter, 1 ounce = 28.35 g. a. A factor of 10 pounds per gallon shall be used for converting pounds (solid) to gallons (liquid) in accordance with FC 5003.1.2. b. Black powder shall be stored in a Type 1, 2, 3 or 4 magazine as provided for in FC 5604.3.1.
