SECTION 415  GROUPS H-1, H-2, H-3, H-4 AND H-5

[F] 415.3.1 Group H occupancy minimum fire separation distance. Regardless of any other provisions, buildings containing Group H occupancies shall be set back to the minimum fire separation distance as set forth in Items 1 through 4 below. Distances shall be measured from the walls enclosing the occupancy to lot lines, including those on a public way. Distances to assumed lot lines established for the purpose of determining exterior wall and opening protection are not to be used to establish the minimum fire separation distance for buildings on sites where explosives are manufactured or used when separation is provided in accordance with the quantity distance tables specified for explosive materials in the International Fire Code. 1. Group H-1. Not less than 75 feet (22 860 mm) and not less than required by the International Fire Code.

Exceptions:

1. Fireworks manufacturing buildings separated in accordance with NFP A 1124.  

2. Buildings containing the following materials when separated in accordance with Table 415.3.1:        

2.1. Organic peroxides, unclassified detonable. 2.2. Unstable reactive materials, Class 4.

2.3. Unstable reactive materials, Class 3 detonable. 2.4. Detonable pyrophoric materials. 2. Group H-2. Not less than 30 feet (9144 mm) where the area of the occupancy exceeds 1,000 square feet (93 m2) and it is not required to be located in a detached building.

3.Groups H-2 and H-3. Not less than 50 feet (15 240 mm) where a detached building is required (see Table 415.3.2).

4.Groups H-2 and H-3. Occupancies containing materials with explosive characteristics shall be separated as required by the International Fire Code. Where separations are not specified, the distances required shall not be less than the distances required by Table 415.3.1.

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