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<br />. <br /> <br />~. <br /> <br />. ,.~) <br /> <br />) <br /> <br />. <br /> <br />b. <br /> <br />Service leads shall be a minimum of 6 inches in diameter. If the <br />length of a service lead exceeds 50 feet or the width of the public <br />right-of-way by more than 20 feet, the ,minimum diameter shall be 8 <br />inches and a manhole shall be utilized for connection to the public <br />sewer. This lead shall be treated as a lateral sewer line. ' <br />Service leads with a diameter of 6 inches shall utilize full body <br />fittings be they extruded or factory-fabricated for connection to a <br />proposed public sewer or an approved saddle-type connector for <br />connection to an existing public sewer. <br />PVC saddle-type connectors with gasket and stainless steel straps <br />shall, be installed with the' stub oriented 45 degrees from the <br />, springline. Tees may be oriented the in the same manner. <br />The service lead shall be designed to minimize the use of b~nds as <br />site conditi.ons permit, ' <br />Service leads exceeding 50 feet shall have a manhole at each end and <br />shall be treated as a standard sanitary sewer line. <br />For existing lots (which are not served in accordance with these <br />guidelines) that need a service lead, if the distance to the nearest <br />existing sewer is . less 'than 50 feet, the, service lead shall be <br />considere? to be under the,P.lumbing Code. . L . <br />The location where the ServIce lead crosses the property lme shall be <br />shown on the plans and as-builts, and marked in the field with a riser <br />out of the ground with a glued cap. ~vide a typical detail of <br />durable marker placed where, the service lead crosses the property <br />line so that the service connection stub-out can be recovered at the ' <br />time that the connection to the service is made and left 6 inches <br />below natural ground. Provide a detail for a riser above ground and <br />capped. All service connections shall be extended to the property <br />line and be turned up (elbowed) to rise up above ground level a <br />minimum of 2 feet. The end of the service ~hall be sealed with a <br />glued cap. ' <br />All service connections shall be installed at the time of the <br />construction of the sewer. <br /> <br />c. <br /> <br />d. <br /> <br />e. <br /> <br />f. <br /> <br />g. <br /> <br />h. <br /> <br />i. <br /> <br />F. General RequireqIents <br /> <br />1. A licensed plumber shall be responsible for connecting to wyes or tees as <br />indicated on the plans. The licensed plumber shall, be liable for a properly <br />installed and watertight connection to the City's lateral line. <br />2. Materials and construction shall conform to the City of La Porte standard <br />Specifications and Standard Details where applicable. <br />, ' 3. All constructed sanitary sewer lines shall be air, tested for leaks and a mandrel <br />pulled for structural defects. A post construction video survey shall be <br />perfonned and video tapes provided, before acceptance by !pe City of La Porte <br />for maintenance. <br />4. All public sewers and service ieads shall be embedded in cement-stabilized sand <br />from 6 inches below the pipe to 12 inches above the pipe and for full trench <br />width except for those lines and pipes that are bore and jacked, microtunneled, <br />or augured and encased in a steel pipe. The cross-section described in this <br />p~graph will be defmed here~ as ~he embedment zone. <br /> <br />a; <br />b. <br /> <br />Portland cement, Type I, ASTM C150. <br />Clean, durable sand, with less than 0.5% clay lumps, ASTM C142; <br />with less than 0.5% lightweight pieces, ASTM C123; with organic' <br />impurities, ASTM C40, not showing a color darker than standard color <br /> <br />Sanilary Sewer Design Criteria Page 4 of 10 , <br />