A. All automatic fire protection systems shall have check valves as required by the NFPA.
B. Fire systems having a looped system with more than one source of supply from the City distribution system shall provide a check valve at each source. The check valve shall be located on private property and within ten feet (10') of the public right-of-way or as specified by Division of Engineering Services. Double check valves may be required, in lieu of single check valves, at each source to protect against pollution hazards, as determined by the Division of Water Distribution.
C. A standard Division of Water Distribution manhole shall be constructed over each check valve.