(a) If siamese, standpipe or other types of fittings are provided for connection of fire hoses to the fire protection system, and such fire protection system is normally supplied through the municipal water service lead and the main water distribution pipe of the premises, a check valve and a control valve of the outside screw and yoke pattern shall be installed in each branch to the fire protection system at its connection with the main water distribution pipe.
(b) If, however, any fire protection system with fittings as described in subsection (a) of this section, is located within 1,000 feet if any river, canal or other body of water, a reduced pressure principle backflow prevention device shall be installed in each branch of the fire protection system at its connection with the main water distribution pipe.
(c) A fire protection system with fittings as described in subsections (a) and (b) of this section which is within 1,000 feet of a river, canal or other body of water and which has a separate water service connection for fire protection purposes only, shall have that service connection protected by a reduced pressure principle backflow prevention device.
(d) Every water service line supplying only fire protection devices shall be equipped with a double check valve assembly, except that a detector check valve, if used, may be considered one of the checks of the required assembly.
(Ord. No. 144, 5-16-2005)