8356-93 Amending Article 9 Establishing a water cross connection control program

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• (k) Private Water Supply System shall consist of the lateral fire and service line to the user' s premises starting at the tap on the Public Water Supply System and terminating at the point-of-usage; whether for fire-suppression, irrigation, or domestic usage. (1) Public Water Supply System shall consist of the water mains and appurtenances such as fire hydrants and main valves used to distribute the potable water supply to the public, and shall terminate at the tap for lateral service to the users; the Utility is the owner of the Public Water Supply System. (m) Reduced Pressure Backflow Preventer means a device which is composed of two tightly closing shut-off valves surrounding two independently acting pressure- reducing check valves which in turn surround an automatic pressure differential relief valve, and four test cocks, one upstream of the five valves and one between each of the four check and shut-off valves . The check valves effectively divide the structure into three chambers; pressure is reduced in each downstream chamber allowing the pressure differential relief valve to vent the center chamber to atmosphere should either or both check valves malfunction. (n) User is the water customer or public authority using potable municipal water. (o) Utility is the South Bend Water Works, a municipally owned utility, governed by the Board of Water Works Commissioners . Sec. 17-67 . Authority and responsibility. (a) Utility Authorized. This ordinance authorizes the Utility to require certain backflow prevention devices in private water supply systems to prevent backflow into the public water supply system. It shall be the responsibility of the user to install and maintain such devices in conformance with this ordinance and other rules and regulations established by the State of Indiana. (b) Utility Sole Interpreter. The Utility shall be the interpreter of this ordinance and the arbiter and judge as to whether such a backflow prevention device is required. If such a backflow prevention device is required, the Utility shall determine the type and the location of the device. The Utility may order installation of said device by written notice to the user, under the conditions defined.