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<br /> <br />Structure <br />Site Area <br />Assumed Organic Layer <br />Natural Slope Surface <br />~~ <br />L ' <br />Proposed <br />Finished ~ 4 inch minimum diameter nine <br />Fill Slope ~ surrounded by at least 4 cubic feet <br />per linear foot of graded filter <br />aggregate <br />~ Benched Ingo Competent Foundation Material <br />~ Below Organic Layer <br />_,.~i~ <br />4 inch minimum diameter pipe surrounded <br />by at leas[ 4 cublc-febt per linear foot <br />\ of graded filter aggregate , <br />Toe Kcy into Compe[en['Founda[ion Material <br />Natural Ground Surface <br />NOTE: The purpose of this sketch is to show the key and bench concept <br />TOE Y.EY, BENCH CONCEPT <br />~am6ei't ana ~~octateg Kf No.+ M9tl16tlGl <br />011 + <br />F/pur~+ ~ <br />