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. Page .42-.. of _3, <br /> CRnSS-SECTin?' <br /> :',.JO SCALE <br /> approved vent cap <br /> . I . <br /> 12" minimum <br /> • <br /> original grade n� / / <br /> • Slope±f c% provide 18" <br /> cover over syn- <br /> -s/ synthetic thetic material <br /> material( <br /> j-' to 2"L" t 1 <br /> aggregate �4" -C.' . vent )-� <br /> 11 2" over pips: <br /> V.._ 6" under L4" perforated <br /> pipe. PVC pipe• <br /> �' ! 1 <br /> .'_.r elevation /OO2 <br /> . _ ,a,un <br /> e levai on = ____ <br /> . <br /> p � � 6:33�y!. <br /> NO SCALE r- -- Approved vent cap <br /> 12 inches minimum <br /> original grade.- <br /> provide 18 inches cover r4" cast ) . <br /> over synthetic material d: iron vent <br /> synthetic materials/ j'i_I:pe . <br /> 2" min. --" to 2z" aggregate !R --2,a <br /> over pipe <br /> �./ rtee <br /> • 4",pe'forated, Di-Re, Q , 4. <br /> 6" min. 3-" to 2L" aggregatq 2. ' <br /> beneath pipe ,_1111„, <br /> /Or,' <br /> perforated pipe below coupling ezev i,J- <br /> terminating at bottom of system <br /> • <br />