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SANITARY SEWERS 02 7300-13 D. CONTRACTOR shall properly dispose offsite any asbestos containing materials or hazardous substances encountered during construction work in accordance with applicable sections of the General Conditions. E. Manhole removal shall conform to Section 02 7500 of these specifications. 3.04 LATERAL INSTALLATION A. Install sanitary sewer cleanouts per project details and specifications B. CONTRACTOR shall verify location and diameter of all active laterals. C. Unless otherwise noted on the plans, all sanitary sewer laterals shall terminate in a cleanout constructed to the form and dimensions shown and detailed on the plans and detail drawings (i.e. within 5 feet beyond the right of way line). D. Unless otherwise noted on the plans, sanitary sewer lateral shall be installed perpendicular to the main sewer line or as directed in the field by CITY Inspector. Tracer wire shall be installed in lateral pipeline and conform to CITY Standard details. E. Unless otherwise noted on the plans, the sewer lateral shall have a slope equal to the existing and a minimum of two-percent. F. Connections to the existing sewer house connection pipe shall be made using sleeved stainless steel flexible couplings. All flexible couplings shall conform to ASTMC425 and be manufactured by Fernco Joint Sealer Co., DFW Plastics, Inc. or approved equal. G. In cases where there are form of obstructions in the field during sewer lateral installation (e.g. fences, retaining walls, decorative blocks, pavers, etc.), CONTRACTOR shall determine with the CITY the feasible and appropriate location of new lateral. H. Existing sewer laterals shown on the drawings are schematic only. CONTRACTOR to field verify all active laterals prior to the installation of new ones. No additional compensation will be made to the CONTRACTOR for assessing whether the existing lateral is active or inactive. I. Location of all sewer laterals shall be permanently marked by imprinting or carefully chiseling the letter “S” four inches (4”) in height on the top of the curb above the lateral. J. Root barrier shall be provided when installing sewer lateral service connections near or within three feet of tree roots. K. In cases where there are more than one lateral and cleanout on a property, the contractor shall verify the inactive laterals and disconnect and abandon all these laterals as directed and approved by the ENGINEER. 3.05 ABANDONMENT OF EXISTING SANITARY SEWER LATERALS