Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 4 - Special Detailed Requirements Based on Use and Occupancy
Section 412 - AIRCRAFT-RELATED OCCUPANCIES
Subsection 412.6 - Aircraft paint hangars

Universal Citation: 780 CMR MA Code of Regs 412.6

Current through Register 1531, September 27, 2024

Aircraft painting operations where flammable liquids are used in excess of the maximum allowable quantities per control area listed in Table 307.1(1) shall be conducted in an aircraft paint hangar that complies with the provisions of Sections 412.6.1 through 412.6.6. [F]

412.6.1 Occupancy group. Aircraft paint hangars shall be classified as Group H-2. Aircraft paint hangars shall comply with the applicable requirements of this code and the International Fire Code for such occupancy. [F]

412.6.2 Construction. The aircraft paint hangar shall be of Type I or II construction.

412.6.3 Operations. Only those flammable liquids necessary for painting operations shall be permitted in quantities less than the maximum allowable quantities per control area in Table 307.1(1). Spray equipment cleaning operations shall be conducted in a liquid use, dispensing and mixing room. [F]

412.6.4 Storage. Storage of flammable liquids shall be in a liquid storage room. [F]

412.6.5 Fire suppression. Aircraft paint hangars shall be provided with fire suppression as required by NFPA 409. [F]

412.6.6 Ventilation. Aircraft paint hangars shall be provided with ventilation as required in the International Mechanical Code.

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