Statutes, codes, and regulations
Code of Massachusetts Regulations
Department 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDSChapter 4 - Special Detailed Requirements Based on Use and Occupancy
Section 415 - GROUPS H-1, H-2, H-3, H-4 AND H-5
Subsection 415.5 - Special provisions for Groups H-2 and H-3 occupancies

780 CMR, 415.5

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Current through Register 1531, September 27, 2024
Subsection 415.5 - Special provisions for Groups H-2 and H-3 occupancies

Groups H-2 and H-3 occupancies containing quantities of hazardous materials in excess of those set forth in Table 415.3.2 shall be in buildings used for no other purpose, shall not exceed one story in height and shall be without basements, crawl spaces or other under-floor spaces. [F]

Groups H-2 and H-3 occupancies containing water-reactive materials shall be resistant to water penetration. Piping for conveying liquids shall not be over or through areas containing water reactives, unless isolated by approved liquid-tight construction.

Exception: Fire protection piping.

415.5.1Floors in storage rooms. Floors in storage areas for organic peroxides, oxidizers, pyrophoric materials, unstable (reactive) materials and water-reactive solids and liquids shall be of liquid-tight, noncombustible construction. [F]
415.5.2Waterproof room. Rooms or areas used for the storage of water-reactive solids and liquids shall be constructed in a manner that resists the penetration of water through the use of waterproof materials. Piping carrying water for other than approved automatic fire sprinkler systems shall not be within such rooms or areas. [F]

780 CMR, 415.5