Ordinance 07-084 - Laserfiche WebLink

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nonpotable water is furnished to a property, the pipes shall be labeled "nonpotable water" above and below ground and at all outlets. Above ground piping shall be labeled at eight -foot maximum intervals. Below ground piping shall be continuously labeled except for irrigation piping." (37) Amending Section 603.4.13. Section 603.4.13 is amended to read: "603.4.13. Potable Water Supply to Carbonators shall be protected by a listed reduced pressure principle backflow preventer or double check valve with intermediate atmospheric vent as approved by the administrative authority for the specific use." (38) Amending Section 603.4.18.1. Section 603.4.18.1 is amended to read: "603.4.18.1. Except as provided under Sections 603.4.18.2 and 603.4.18.3 below, potable water supplies to fire protection systems, including but not limited to standpipes and automatic sprinkler systems, shall be protected from back - pressure and back - siphonage by a double check valve assembly or a reduced pressure backflow preventer. EXCEPTIONS: (1) Systems with alarm check valve assembly (2) Systems with detector check assembly (3) One and two family dwellings and mobile homes (4) Systems with booster pumps and check valve assembly. (39) Amending Section 604.1. Section 604.1 is amended to read: "604.1. Water pipe and fittings shall be of brass, copper, cast iron, galvanized steel or other approved materials. Asbestos - cement, CPVC, PB, PE, PEX, PEX -AL -PEX or PVC water pipe manufactured to recognized standards may be used for cold water distribution systems outside a building. CPVC, PB, PEX and PEX -AL -PEX water pipe and tubing may be used for hot and cold water distribution systems within a building. All materials used in the water supply system, except valves and similar devices shall be of a like material, except where otherwise approved by the administrative authority." (40) Amending Section 605.3. Section 605.3 is amended by deleting the last sentence of the paragraph and adding at the end of the paragraph: "EXCEPTION: When a supply riser serves not more than one plumbing fixture in each dwelling unit, the fixture supply stop may 22