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DRAIN FIELD DETAIL <br /> SOIL COVER <br /> 12" /\ /� // �/ /\ ILTER FABRIC OR UNTREATED BUILDING PAPER <br /> 24" /i\ //\ /i\ /i\ /i\ 2" <br /> v v v \ V 4" <br /> i - i , <br /> 12" v v v v _ v <br /> 6" <br /> , v v <br /> II <br /> 24" PERFORATED PIPE <br /> DRAIN ROCK <br />