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SUBDRAIN DETAIL <br />I <br />1.5' (MIN.) <br />-I <br />•� SUITABLE MATERIAL <br />ABOVE SUBDRAIN, <br />-� <br />COMPACTED TO <br />PROJECT SPECS <br />PERMEABLE _ <br />LAYER <br />I I <br />// / <br />I \'\� �\ MIRAFI 180N <br />'. // � OR APPROVED <br />EQUIVALENT <br />\ \ \ <br />GROUNDWATER WEEP <br />1.0' <br />`. <br />/ � <br />_1 _L <br />• _ MIN... <br />3/4" SCREENED ROCK <br />. • <br />- _ MIN._ <br />. <br />• - -- <br />• - • • - <br />95% COMPACTION - • • - • • - • • - . • • - . . - <br />IMPERVIOUS <br />LAYER <br />NTS <br />IIe- <br />PROJECT NO <br />' <br />FIGURE 4 -10 <br />DRAWN <br />DRAWN <br />RG <br />D4 <br />04/103 <br />CHECKED <br />DATE <br />TAILINGS STORAGE FACILITY <br />SUBDRAIN DETAIL <br />SCALE <br />N T.S <br />DWG NO <br />100 -DT -001 <br />REV <br />A <br />