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705.11.2 Solvent cementing. Joint surfaces shall be clean and free from moisture. A purple primer that <br />conforms to ASTM F 656 shall be applied. Solvent cement not purple in color and conforming to ASTM D <br />2564, CSA 13137.3, CSA 13181.2 or CSA 6182.1 shall be applied to all joint surfaces. The joint shall be <br />made while the cement is wet and shall be in accordance with ASTM D 2855. Solvent cement joints shall <br />be permitted above or below ground. <br />Section 712, SUMPS AND EJECTORS, shall be amended by adding Section 712.5, Dual pump <br />system, to read as follows: <br />712.5 Dual pump system. All sumps shall be automatically discharged and, when in any "public use" <br />occupancy where the sump serves more than 10 fixture units shall be provided with dual pumps or <br />ejectors arranged to function independently in case of overload or mechanical failure. For storm drainage <br />sumps and pumping systems, see Section 1113. <br />Section 714, COMPUTERIZED DRAINAGE DESIGN, shall be renamed ENGINEERED DRAINAGE <br />DESIGN, and Section 714. 1, Design of drainage system, shall be amended to read as follows: <br />SECTION 714 <br />ENGINEERED DRAINAGE DESIGN <br />714.1 Design of drainage system. The sizing, design and layout of the drainage system shall be <br />permitted to be designed by a registered engineer using approved compute design methods. <br />Section 804, MATERIALS, JOINTS AND CONNECTIONS, shall be amended by adding Section <br />804.2, Special waste pipe, fittings, and components, to read as follows: <br />804.2 Special waste pipe, fittings and components Pipes fittings and components receiving or <br />intended to receive the discharge of any fixture into which acid or corrosive chemicals are placed shall be <br />constructed of CPVC, high silicone iron PP PVDF chemical resistant glass or glazed ceramic materials <br />Section 903. 1, Roof extension, shall be amended to read as follows: <br />903.1 Roof extension. Open vent pipes that extend through a roof shall terminate not less than six (6) <br />inches (152 mm) above the roof. Where a roof is to be used for assembly or as a promenade, observation <br />deck, sunbathing deck or similar purposes, open vent pipes shall terminate not less than 7 feet (2134 <br />mm) above the roof. <br />Section 917, SINGLE STACK VENT SYSTEM, shall be deleted in its entirety, including all its <br />subsections. <br />Section 1002. 10, Plumbing in mental health centers, shall be deleted in its entirety. <br />Section 1101.8, Cleanouts required, shall be amended to read as follows: <br />Amendments to 2015 IPC <br />