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// CODE SNIPPET

415.3.2 Detached Buildings for Group H-1 and H-2 or H-3

NYC Building Code 2014 > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.3 Fire Separation Distance > 415.3.2 Detached Buildings for Group H-1 and H-2 or H-3
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The storage of hazardous materials in excess of those amounts listed in Table 415.3.2 shall be in accordance with the applicable provisions of Sections 415.4 and 415.5. Where a detached building is required by Table 415.3.2, there are no requirements for wall and opening protection based on fire separation distance.

TABLE 415.3.2 REQUIRED DETACHED STORAGE

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 Maximum Allowable Quantity Not Applicable
Division 1.2 Maximum Allowable Quantity
Division 1.3 Maximum Allowable Quantity
Division 1.4 Maximum Allowable Quantity
Division 1.4c 1
Division 1.5 Maximum Allowable Quantity
Division 1.6 Maximum Allowable Quantity
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 1,200 Not Applicable
Class 2 2,000 Not Applicable
Organic peroxides Unclassified Detonable Maximum Allowable Quantity Not Applicable
Class I Maximum Allowable Quantity Not Applicable
Class II 25 Not Applicable
Class III 50 Not Applicable
Unstable (reactives) nondetonable Class 3 1 2,000
Class 2 25 10,000
Water reactives nondetonable Class 3 1 Not Applicable
Class 2 25 Not Applicable
Pyrophoric materials detonable Not Applicable Maximum Allowable Quantity Maximum Allowable Quantity
Pyrphoric gases and nondetonables Not Applicable Not Applicable 2,000

For SI: 1 ton = 2,000 pounds = 906 kg, 1 cubic foot = 0.02832 m3, 1 pound = 0.454 kg.
a. 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.
b. "Maximum Allowable Quantity" means the maximum allowable quantity per control area set forth in Table 307.1(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 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.

Related Code Sections


415.3.2 Special Detailed Requirements Based on Use and Occupancy, Detached Buildings for Group H-1 and H-2 or H-3
Not Applicable Class III 50 Not Applicable Unstable (reactives) nondetonable Class 3 1 2,000 Class 2 25 ...
NYC Building Code 2014 > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.3 Fire Separation Distance > 415.3.2 Detached Buildings for Group H-1 and H-2 or H-3
415.3.2 Special Detailed Requirements Based on Use and Occupancy, Group H-1 and H-2 or H-3 Detached Buildings
3 Class 2 1 25 2,000 10,000 Water reactives Class 3 Class 2 1 25 Not Applicable Not Applicable ...
NYC Building Code 2008 > 4 Special Detailed Requirements Based on Use and Occupancy > 415 Groups H-1, H-2, H-3, H-4 and H-5 > 415.3 Location on Property > 415.3.2 Group H-1 and H-2 or H-3 Detached Buildings
508.1 General Building Heights and Areas; Separation of Occupancies, General
Exceptions: Occupancies separated in accordance with Section 510. Where required by Table 415.5.2, areas of Group H-1, H-2 and H-3 ...
NYC Building Code 2014 > 5 General Building Heights and Areas; Separation of Occupancies > 508 Mixed Use and Occupancy > 508.1 General
907.2.5 Fire Protection Systems, Group H
A manual and automatic fire alarm system shall be installed in Group H-5 occupancies and in occupancies used for the manufacture of organic coatings ...
NYC Building Code 2008 > 9 Fire Protection Systems > 907 Fire Alarm and Detection Systems > 907.2 Where Required > 907.2.5 Group H
910.2.2 Fire Protection Systems, Group H
Buildings and portions thereof used as a Group H occupancy as shown:   1. In occupancies classified as Group H-2 or H-3, any of which ...
NYC Building Code 2008 > 9 Fire Protection Systems > 910 Smoke and Heat Vents > 910.2 Where Required > 910.2.2 Group H
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