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GRAVELLESS TRENCH CONSTRUCTION DETAILS =! <br /> �F/PUa1�'�rls /Sf ` <br /> � t�'`���0"r 1 1 /2" Inspec���n <br /> ..-, <br /> � Inlei Pipe 10 Next 9�,g Weil i <br /> Dro� Box 1 ��2 Male ; <br /> , — <br /> Adapter <br /> ;' 6-��Z Soll Back(ill ' <br /> � . y � ` <br /> , . <br /> Corrugated Tubing Cove ed <br /> i 9ss.o wiih Geotextile Fabri Ex's�''"9 ' <br /> ibv� <br /> , 55,3* <br /> ;' Drop F3ox qsy3 . ' <br /> ; <br /> � Trench Length = up to 100 Feei ; <br /> � yiB �.�' �f� / ��� <br /> ; Overiill lo A1low NOTFS : 1 . Bottom o( trench must be level. Top <br /> , tor Settl�ng <br /> � ot tubing muse be level. <br /> Soil 12•� of Soil 2. Scari(y trench bottom and sidewalls <br /> ; , Backfil! Backfill at (Aast 12 ir�ciies abode trcnch bottom � <br /> 24 '� ; �� . <br /> � : to expose �atural soil. <br /> ; ; 12" v. p, <br /> ' � ►o" = D <br /> 1 G%� - . _ _ '� 3. For propriciary products consul� <br /> ' Noles Localed mar�ufacturers perlormance cri�eria <br /> 24 N at 4 and i <br /> � <br /> � <br /> 8 O'Clock � <br /> Fig-u_.re D-29 <br />