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Augusl I R. 2004 <br />Mr. Jim Thomas <br />[3clvcderc Lots 32 and 33 <br />L&A Job Na 4A088 <br />Page 10 <br />pluccment. l hc opai�num moi;turc conlent is the water comen� in the soil that cnable thc soil to <br />bc compacicd lo Ihc liighcs� dry dcnsiry for a givcn compaclion effort. <br />'I he on-site lill, silty silt and linc sand soils conlain too much fines and may be used as slruclural <br />fill only under fair weaN�er condition when its moisture conle�u be controlled to close lo ir. <br />optimum muisiure conlenL Imported material for strucWral fill should be clea:i, free-drainin�. <br />granular soils conlaining no more than 5% by weight finer lhan lhe No. 200 sieve based an thc <br />fraction of the material passing No. 4 sieve, and should have individual particles not greaicr than <br />four inchcti Im�,nrtcd titnic�ural Ill! shuuld bc sluc��iilcd .ind cuvcrcP scp:ualcly fnnn Ihc un-sitc <br />soils. <br />Struclural lill :;huulJ bc placcd in lifls nu morc Ihan 10 inchcs Ihick in luusc slalc, willi c.ich lill <br />compacicd lo a minimum perccntagc of thc masimum dry Jcnsiry dctcrmincd by nS-I M 1�1557 <br />(MoJilieJ Ih�uclnr Mcllwd),is follows: <br />A1,pGcaliun <br />Wilhin builJing pads <br />Roadway/Jriveway subgraJc <br />Kctainin� a:ill backlill <br />Ulilit} �rcnch h.ick�ill <br />BUIL,UINC til�:l'ItACK <br />",6 of Maximum Drv Dcnsily <br />95°/u <br />95% Ibr lop 3 �ccl and 90"/o bclo�� <br />90% <br />95"% for top 4 fecl and 90% bclo�+• <br />l hc purposc uf building sclback Iiom thc top or loc or a ovcrly stccp porlion of a slopc is to <br />csmblish a sifc buffcr such th:�t ifa slurc Giilure shoulJ occur ihc slability of the struclurc can bc <br />��iu �c� t�ssocinTrs, iNc. <br />