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(" ' <br /> � <br /> October i l, 2011 <br /> Mr. Han�ey Jubie <br /> Lc&A Job No. 1 I-Oh4 <br /> I'a�e 9 <br /> to flo���uncontrolled over thc top of cut slopes. Cut slopes sl�ould Ue covered �viQi plustic lurps, <br /> as rcquircd, to protcct them from crosion by stonmvater. <br /> STRUCTURAL FILL <br /> Stnicnval fill is tl�e fill thut support structuiul or truflic IopJ. Structural lill shuuld consisi of <br /> clean soils ���ith pnrlicics not lazger than four u�ches a�id sliould Ue free of organic und other <br /> deleterious subst:uices. Structurul till sl�ould have a moisture content within one percent of its <br /> nptimum moisturc content ut the time oC placement. 'llie optimum moisture content is the �+ater <br /> caitent in lhe soil that enablc du soil to be comp�cted to tUe highest dq' densiry for a given <br /> compaction cffort. Tlie on-sile dean till s�ils ma}� be uscd for strucwral lill only undcr fair <br /> wcad�cr conJitions when thcir moisturc content cun be cuntrolicd to ncar optimum moisture <br /> conlent at dic time of placement. Imported material to be used us sirucmral fill, should be cleun, <br /> frec-drliiung, granular soils containing no more thln 5 percent by ���eight fincr thtm the No. 200 <br /> sie.•e bused on thc fraction of tl�e material passing No. 4 sic��c, and should ha��e individual <br /> particics not larcer tliun four inchcs. <br /> Pill cntbutkmenls plucrd uver arcas steeper thmi 15% grnde should be structurslly supportcd. <br /> The eround over k�hicli stnictural fil] is to be placeJ should be prepared in accordance with <br /> recommcndations in Q�e Sit Pren�iratiun and General Gradina�ld ��*�'�vaci,�rs Se�u°ns°f <br /> tlus repori• Structural fill should bc placcd in liRs no more than 10 inches thick in its loosc statc, <br /> uith each lift couipa�cteJ to a minimum �ercentage of the masimum dry density determined by <br /> AST\4 D1557 (\4udilied Proctor h4cthud) as tiillu�cs: <br /> LIU & ASSOCIATES, INC. <br /> �` -� 1 <br />