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<br /> <br />FIGURE 13-1 <br />RESEED TOP OF TRENCH <br />AND DISTURBED AREAS <br />WestWater Engineering <br />1 cb„~a~,y ~,anb.,,- <br />IMPORTED TOPSOIL <br /> <br />z <br />b <br />a <br />BACKFiLL MATERIAL <br />FORM TRENCH EXCAVATION <br />70" 80 PS! P.I.P. ENCASEMENT <br />PIPE OR APPROVED EQUAL <br />G PVC C900 W.L <br />RESTRAINED JOINT <br />2'X4" REDWOOD SKIDS OR EQUIVLEF <br />W/ STAINLESS STEEL STRAPS TO <br />FA~~TEN SKIDS TO P.V.C. WATERLINE. <br />SKIDS TO 9E SPACED S' O.C. FROM <br />WATERLINE JO1NT5-MIN. 2' LENGTH <br />(SEE STD. DRWG. p-10 FOR DETAIL` <br />~ 'TR.E~3CH DE'fAli~ FOYr2 ~13A'~'ERLii~iE il~i <br />COAL REFUSE PILE <br />N.T.S. <br />(New 11-06-91) <br />30" MAX. <br />