COM 0065.000 2018-2020 - Laserfiche WebLink

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• Michael Yee • September 19, 2018 Page3 18.2.3.1.4 When fire department access roads cannot be installed due to location on property, topography, waterways, nonnegotiable grades, or other similar conditions, the AHJ shall be authorized to require additional fire protection features. 18.2.3.2 Access to Building. 18.2.3.2.1 A fire department access road shall extend to within in 50 ft (15 m) of at least one exterior door that can be opened from the outside that provides access to the interior of the building. Exception: 1 and 2 single-family dwellings. 18.2.3:2.1.1 When buildings are protected throughout with an approved automatic sprinkler system that is installed in accordance with NFPA 13, NFPA 13D, or NFPA 13R, the distance in 18.2.3.2.1 shall be permitted to be increased to 300 feet. 18.2.3.2.2 Fire department access roads shall be provided such that any portion of the facility or any portion of an exterior wall of the first story of the building is located not more than 150 ft (46 rn) from fire department access roads as measured by an approved route around the exterior of the building or facility. 18.2.3.2.2.1 When buildings are protected throughout with an approved automatic sprinkler system that is installed in accordance with NFPA 13,NFPA 13D, or NFPA I3R, the distance in 18.2.3.2.2 shall be permitted to be increased to 4.50 ft(137 m). 18.2.3.3 Multiple Access Roads. More than one fire department access road shall be provided when it is determined by the AHJ that access by a single road could be impaired by vehicle congestion, condition of terrain, climatic conditions, or other factors that could limit access. 18.2.3.4 Specifications. 18.2.3.4.1 Dimensions. C—18.2.3.4.1.1 FDAR shall have an unobstructed width of not less than 2Oft with an approved turn around area if the FDAR exceeds 150 feet. Exception: FDAR for one and two family dwellings shall have an unobstructed width of not less than 15,feet,with an area of not less than 20 feet wide within 150 feet of the structure being protected. An approved turn around area shall be provided if the FDAR exceeds 250 feet. C—18.2.3.4.1.2 FDAR shall have an unobstructed vertical clearance of not less then 13ft 6 in. C—j 18.2.3.4.1.2.1 Vertical clearances may be increased or reduced by the AHJ,provided such increase or reduction does not impair access by the fire apparatus, and approved signs are installed and maintained indicating such approved changes.