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5003.8 Construction requirements.
Buildings, structures, control areas, enclosures and cabinets for hazardous materials shall be designed and constructed in accordance with FC 5003.8.1 through 5003.8.7.
5003.8.1 Buildings.
Buildings, structures, or portions thereof, in which hazardous materials are stored, handled or used shall be constructed in accordance with the construction codes, including the Building Code.
5003.8.2 Required detached buildings.
Group H occupancies containing quantities of hazardous materials in excess of those set forth in FC Table 5003.8.2 shall be in detached buildings.
Detached Storage Is Required When the Quantity of Material Exceeds That Listed Herein | |||
Material | Class | Solids and liquids (tons) a, b | Gases (SCF) a, b |
Detached Storage Is Required When the Quantity of Material Exceeds That Listed Herein | |||
Material | Class | Solids and liquids (tons) a, b | Gases (SCF) a, b |
Explosives a | Division 1.1 Division 1.2 Division 1.3 Division 1.4 Division 1.4 c Division 1.5 Division 1.6 | Maximum Allowable Quantity Maximum Allowable Quantity Maximum Allowable Quantity Maximum Allowable Quantity 1 Maximum Allowable Quantity Maximum Allowable Quantity | Not Applicable |
Oxidizers | Class 4 | Maximum Allowable Quantity | Maximum Allowable Quantity |
Unstable (reactives) detonable | Class 3 or 4 | Maximum Allowable Quantity | Maximum Allowable Quantity |
Water-reactives detonable | Class 2 or 3 | Maximum Allowable Quantity | Not Applicable |
Oxidizer, liquids and solids | Class 3 Class 2 | 1,200 2,000 | Not Applicable |
Organic peroxides | Unclassified Detonable Class I Class II Class III | Maximum Allowable Quantity Maximum Allowable Quantity 25 50 | Not Applicable |
Unstable (reactives) nondetonable | Class 4 Class 3 Class 2 | Maximum Allowable Quantity 1 25 | Maximum Allowable Quantity 2,000 10,000 |
Water-reactives nondetonable | Class 3 Class 2 | 1 25 | Not Applicable |
Pyrophoric material detonable | Not Applicable | Maximum Allowable Quantity | Maximum Allowable Quantity |
Pyrophoric gases nondetonable | Not Applicable | Not Applicable | 2,000 |
For SI: 1 pound = 0.454 kg, 1 cubic foot = 0.02832 m3, 1 ton = 2,000 pounds = 907.2 kg.
a. For materials that are detonable, the distance to other buildings or lot lines shall be as specified in the Building Code. For materials classified as explosives, the required separation distances shall be as specified in FC Chapter 56. Unclassified detonable organic peroxides (see FC Chapter 62), detonable pyrophoric materials (see FC Chapter 64), detonable unstable (reactive) materials (see FC Chapter 66) and detonable water-reactive materials (see FC Chapter 67) shall be treated as explosives for purposes of storage, handling and use (see FC Chapter 56).
b. "Maximum Allowable Quantity" means the maximum allowable quantity per control area set forth in FC Table 5003.1.1(1).
c. Limited to Division 1.4 materials and articles, including articles packaged for shipment, that are not regulated as an explosive under Bureau of Alcohol, Tobacco, Firearms and Explosives regulations, or unpackaged articles used in process operations that do not propagate a detonation or deflagration between articles, providing the net explosive weight of individual articles does not exceed 1 pound.
5003.8.3 Control areas.
Control areas shall be in accordance with FC 5003.8.3.1 through 5003.8.3.5.
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