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22.214.171.124* Exterior Roofs, Canopies, Porte-Cocheres, Balconies, Decks, or Similar Projections
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In buildings protected throughout by automatic sprinklers in accordance with NFPA 13, automatic sprinkler protection shall be provided for the exterior spaces in accordance with 126.96.36.199.
Sprinklers shall be permitted to be omitted where the exterior canopies, roofs, porte-cocheres, balconies, decks, and similar projections are constructed with materials that are noncombustible, limited-combustible, or fire retardant-treated wood as defined in NFPA 703, or where the projections are constructed utilizing a noncombustible frame, limited-combustibles, or fire retardant-treated wood with an inherently flame-resistant fabric overlay as demonstrated by Test Method 2 in accordance with NFPA 701. [13:188.8.131.52]
Sprinklers shall be permitted to be omitted from below the exterior projections of combustible construction, provided the exposed finish material on the exterior projections are noncombustible, limited-combustible, or fire retardant-treated wood as defined in NFPA 703, and the exterior projections contain only sprinklered concealed spaces or any of the following unsprinklered combustible concealed spaces:
- Combustible concealed spaces filled entirely with noncombustible insulation
- Light or ordinary hazard occupancies where noncombustible or limited-combustible ceilings are directly attached to the bottom of solid wood joists so as to create enclosed joist spaces 160 ft3 (4.5 m3) or less in volume, including space below insulation that is laid directly on top or within the ceiling joists in an otherwise sprinklered attic [see 184.108.40.206.4(4)(d) of NFPA 13]
- Concealed spaces over isolated small exterior projections not exceeding 55 ft2 (5.1 m2) in area
Sprinklers shall be permitted to be omitted from exterior exit corridors when the exterior walls of the corridor are at least 50 percent open and when the corridor is entirely of noncombustible construction. [13:220.127.116.11]
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