// CODE SNIPPET
415.3.2 Group H-1 and H-2 or H-3 Detached Buildings
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Where a detached building is required by Table 415.3.2, there are no requirements for wall and opening protection based on location on property.
For SI: 1 ton = 906 kg, 1 cubic foot = 0.02832 M3
| DETACHED STORAGE IS REQUIRED WHEN THE QUANTITY OF MATERIAL EXCEEDS THAT LISTED HEREIN | |||
|---|---|---|---|
| Material | Class | Solids and Liquids (tons)a, b | Gases (cubic feet)a, b |
| Explosives | Division 1.1 Division 1.2 Division 1.3 Division 1.4 Division 1.4c 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 |
| Oxidizer, liquids and solids | Class 3 Class 2 |
1,200 2,000 |
Not Applicable Not Applicable |
| Organic peroxides | Detonable Class I Class II Class III |
Maximum Allowable Quantity Maximum Allowable Quantity 25 20 |
Not Applicable Not Applicable Not Applicable Not Applicable |
| Unstable (reactives) nondetonable | Class 3 Class 2 |
1 25 |
2,000 10,000 |
| Water reactives | Class 3 Class 2 |
1 25 |
Not Applicable Not Applicable |
| Pyrphoric gases | Not Applicable | Not Applicable | 2,000 |
- For materials that are detonable, the distance to other buildings or lot lines shall be as specified in Table 415.3.1 based on trinitrotoluene (TNT) equivalence of the material. For materials classified as explosives, see the New York City Fire Code. Unclassified detonable organic peroxides, detonable pyrophoric materials, detonable unstable (reactive) materials and detonable water - reactive materials shall be considered as explosives for the purposes of storage.
- "Maximum Allowable Quantity" means the maximum allowable quantity per control are a set forth in Table 307.7(1).
- 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 and Firearms (BATF) 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.
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