(a) Backflow. Every potable water distributing pipe shall be protected against backflow by having the outlet end from which the water flows spaced a distance above the overflow level rim of the receptacle into which the water flows sufffcient to provide the "minimum required air gap" defined in the appropriate standards listed in the Ohio Basic Building Code (Plumbing) (refer to Appendix A). Where the required air gap is not possible, the fixture shall be equipped with an accessibly located backflow preventer conforming to the provisions of the Ohio Basic Building Code (Plumbing), Section 4101:2-51-58, "Backflow" (refer to Appendix A).
(b) Pumps, Wells and Other Appliances. All water pumps, tanks, wells, filters, softeners, appliances and similar devices shall be protected from superficial ground or surface water or other contamination, by covers, walls, coping or castings, approved under the regulations of the County Board of Health and, in the absence of such regulations, then under the regulations of the Ohio Department of Health or the County District Board of Health. In the event of their inconsistency, the strictest regulation shall apply.
(c) Water Supply Tanks. All potable water supply tanks shall be properly covered or sealed to prevent entrance of foreign material into the water supply. Soil or waste lines shall not pass directly over nonpressure water supply tanks or over manholes in pressure tanks. Water supply (house tanks) shall be fabricated and installed to County Board of Health requirements.
(d) Protection Against Freezing. All water pipes, water tanks and water supplied appliances and devices shall be protected against freezing, unless otherwise specifically approved by the Building Inspector. All water supply piping exposed to frost action shall have a cover of not less than four feet.
(Ord. 1992-101. Passed 1-14-92.)