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SECTION 4 – SANITARY <br />55 <br />4-3.5 (d) PIPE LAYING <br />1.) Pipe and accessories shall be carefully lowered into the trench by means of derrick, ropes, belts, <br />slings, or other authorized equipment. Under no circumstance shall any sewer-line materials be <br />dropped, dragged, or dumped into the trench. Care shall be taken to avoid abrasion of the pipe <br />coating. <br />2.) Except where necessary in making connections with other lines or as authorized by the <br />Engineer, pipe shall be laid with the bells facing in the direction of laying. <br />3.) The full length of each section of pipe shall rest solidly upon the pipe bed, with recesses <br />excavated to accommodate bells, couplings, and joints. Pipe shall be firmly set on a good <br />foundation and care shall be taken that pipe does not rest on stones, rock, or any unyielding <br />material. Pipe that has the grade or joint disturbed after laying shall be taken up and re-laid. <br />Pipe shall not be laid in water or when trench conditions are unsuitable for the work. <br />4.) Installation of the sanitary sewer and force main pipe shall be in accordance with the pipe <br />manufacturer’s recommendations. <br />5.) Installation of PVC sanitary pipe shall conform to ASTM D-2321. <br />6.) Installation of VCP sanitary pipe shall conform to ASTM C-12. <br />7.) Installation of ductile iron pipe shall conform to AWWA C600. <br />8.) Installation of HDPE Pipe by the open cut method shall conform to pipe manufacturer’s written <br />instructions. <br />9.) Service lateral stubs for future connections shall be plugged water tight at the property line. <br />4-3.5 (e) HDPE HORIZONTAL DIRECTIONAL DRILL INSTALLATION <br />1.) Prepare a Plan of Operation for the horizontal directional drilled HDPE sanitary force main <br />installation and submit it to the City Engineer for approval. This plan should show the exact <br />procedures to be used in accomplishing the work (including calibration of the <br />transmitter/receiver, geotechnical information, setup locations, plan for storage of pipe to be <br />placed along with traffic control, drilling fluid plan, the horizontal and vertical tracking/plotting <br />of the pilot bore alignment, and handling and disposal of drilling fluids), and shall show any <br />special activities, and other features of the proposed work. A listing of such subcontractors <br />they intend to use as well as major directional drilling equipment or other specialized <br />equipment to be used shall be included with the submittal. <br />2.) All excavations and trenches for verification of existing utilities, installation of fittings and <br />installation of short segment of pipe shall be properly sloped or braced to furnish and provide <br />proper and safe working conditions for the equipment and personnel in accordance with <br />IOSHA requirements as set forth in Indiana Code IC-22-8-4, Section 238. Provide sheeting to <br />protect adjacent structures when the work is close to existing structures or facilities.