Ord 2005-050 - Laserfiche WebLink

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requirements of subsection (b) or not be less than the required flow of the sprinkler system plus 250 gpm. (d) The flow requirements listed in this section shall be met with a minimum of 20 pounds per square inch residual. This residual must be maintained in residential, commercial, and industrial areas. Flow in residential areas is to be calculated at 1.5 gpm per living unit. (e) If the fire code official determines that an occupancy is of a hazardous nature, or if special hazards exist in addition to the normal hazard of the occupancy, section 901 of the International Fire Code shall apply. Section 508.5 is amended to read as follows: 508.5. Fire hydrant systems. (a) A fire hydrant is a national standard three-way hydrant connected to six-inch or larger water mams. (b) A two-way hydrant is not recognized unless it was installed before January 1, 1985 or it was installed in conjunction with nationally approved sprinkler systems. (c) Fire hydrants shall conform to the A WW A Standard for Dry Barrel Fire Hydrants, C-502-85. (d) Fire hydrants shall have one 4.5 inch steamer and two 2.5 inch side connections with National Standard threads. The centerline ofthe steamer connection shall be a minimum of 18 inches above the ground surface. (e) Hydrants must be located so that no portion of any new structure is more than 500 feet, as the hose lies, on accessible approved roadways. (f) Hydrants shall be spaced no less than every 500 feet in residentially zoned areas and no less than one every 300 feet in commercially and industrially zoned areas. (g) The engineering department shall have the authority to develop and approve new fIfe hydrant installation methods and standards consistent with the application of this section. (h) Hydrants shall be installed in accordance with local jurisdiction construction standards. Section 508.5.1 is amended to read as follows: 508.5.1 Where required. Where a portion of the facility or building hereafter constructed or - 7 -