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� <br />� <br />� <br />� <br />� <br />��3.3 <br />b03. 4 <br />�oo�� <br />Continued. <br />line and �rade criil be ordered, and the change shall be made in the <br />manner directed by the Engineer and with extra coapensation allowed <br />therefore. All manhales will. be set plumb. All openings alon� the <br />line of Sanitary Ser�er shall be securely closed, as directed, and at <br />the suspension of kork at any ti�:e, suitable stoppers shall be placed <br />to prevent earth or any sub�tance frora enterins the sanitary sewer. If <br />water is present in the trenah, the seals shall remain in place until <br />the trench is completely dry. Where pipe cannat be placed by open <br />treneh excavation, th� method for placing and payment therefore shall <br />be stated in the 'BSpecial �onditiions" �ecUion. <br />When watermain, water serviees and sewer services, whe�her lowered or <br />existin�, are in dan�er oi freezin� due to the proximity of �toro <br />sewers, catch basin leads, or stor� sewer struetures, the En�ineer �ay <br />direct the placecient of insulation between the storm sewer and tlie <br />wat�rmain or �ervice pipe, a� specifi�d in Sectinn 303.g. <br />�,T,o_i.�t i� <br />� Defore layin�, ths pipes, the outside of the :,pigot and ttie inside of <br />the bell s��all b� riiped clean and dry. Pipe ends shall be kept elean <br />until joir�ts are r:�de, <br />� <br />� 403. 5 <br />� <br />� <br />Coapres�ion joints far vitrified clay pipe shall be in�talled in <br />accordance wiL__ A.S,T.ti. Desibnation C-12. <br />SeNer Services <br />Sewer� service conr.ections fro�a seNers sha11 be 4" C.I.S.P. (extra <br />heavy) or 4�o PVC, Cl�ss 150. Existing sewer services shall be <br />connected to the nc;w sewers, as shown on the plan� and this item 3i-iall <br />be incid�ntal. If the top or the oain se��rer is eight Peet or less <br />beloH street �;rade, horizontal wye bratich shall be placed so that the <br />connection has a sli�ht vertical an�le with the raain sewer•. <br />Risers sh�ll be used to extend service connections to a point within <br />� ei�ht : eet of the 3treet E;rad�. 1•lherever wyes are us�d o cor.crete st�all <br />be placed as a collar around the main horizontal secaer and sh�ll extend <br />to a point six inches above ttie be11 connection. The riser pipe sh�ll <br />� be laid against the undisturbed trench wall as shown on the detail <br />sheet in the plans. <br />� ��.1 service stuba �hall projecC to tihe propert}� line or� to the l�cati�n <br />desi�nated on the plans, with bell end upstream. A11 �tubs �l�all be <br />p1uE�ed. <br />� <br />� <br />� <br />�'�ch san�.tary sewer ;�tub �hall hc par�;ed at tFe propert}� line by 4^ ` tt�� <br />tiG�ber �i:c faet to ei�;tit i cet in lenr�th �nbedded four feet below �rade. <br />It shall be the duty ot' tiie Contr•�ctor to l:eep an accuraLe record oi' <br />service cannection�� a� to location� depth to t�p oi' ri,;c;r� type of <br />c:onriection provided, etc. i.aca�icn cY�a11 be �ade in r��pect to r.earest <br />rtianhole center, down-�;rade fror.i the 3er�vice. Tl�i;, record sliall be <br />t�r�ned over to t;ie I;n,incer at the �:nd of e�ch :r�el;, <br />• <br />