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' 1i <br /> � EXHIBIT A <br /> shall be made only with properly curved pipe fittings, each fitting not to exceed a <br /> 45 degree bend. Cleanouts shall be installed at each change of direction which <br /> exceeds 45 degrees and at intervals of not more than 100 feet. Manholes may <br /> be used in lieu of cleanouts. <br /> The building sewer shall be push-on or gasketed joint cast iron, ductile <br /> iron, or PVC pipe installed per the manufacturer's recommendation. PVC pipe <br /> shall be solid wall pipe with a minimum Standard Dimension Ratio (SDR) of 28. <br /> All joints shall be watertight. <br /> Whenever possible, the depth of the building sewer shall be sufficient to <br /> afford protection from frost, when not possible, it shall be the owner's <br /> responsibility to protect the pipe from freezing. � <br /> In all buildings in which any building drain is too low to permit gravity flow <br /> to the public sewer, sanitary sewage carried by such building drain shall be lifted <br /> and discharged into the building sewer by means subject to the review and <br /> approval by the Director of Engineering and Infrastructure. All required lifting <br /> devices shall be installed, owned and maintained by the owner of the property <br /> being served by said lifting devices. <br /> All costs to install a building sewer shall be at the expense of the building <br /> sewer owner. <br /> 13. BUILDING SEWER INSPECTIONS AND TESTING REQUIRED. <br /> No building sewer shall be buried or covered until the same has been inspected, <br /> tested and approved by the City and should any work be buried or covered <br /> without so being inspected, tested and approved, in addition to any cost or <br />