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� '. <br /> March 1d. 2010 <br /> Addition to Stecvcs Rcsidcncc <br /> L&n .luh Nu. 10-008 <br /> Yagc I I <br /> morc Ihan � perccnl b� ��ci�ht fincr Ihan ihc No. 200 sic��c hascd un thc ira.tion of thc <br /> malcrial passing No. � sicvc. and should ha��c individual partidcs not larger than four <br /> inchcs. <br /> Pill cmUankmcnts placcd ovcr arcas stccper than 15% eradc should bc structurilly <br /> supported. 'll�c t�round o��cr �vhich structural fill is to be placed should be prcpared in <br /> accordance with recommendations in the Sitc I'renaration and Gencral Gradin�, and <br /> Gxcavation Sloncs scctions of this rcport. Structural till should bc placcd in lilts no morc <br /> than IC inchcs thick in its loosc statc, ���ith cach li�'t compactcd to a minimum perccntagc <br /> of thc maximum dr�� dcnsity dctcrmincd b�� nti"I�M D15�7 (Moditicd Pructor Mcthod) as <br /> fol lo���s: <br /> /� �t i�lication '�� of Ma�imum Dn� Dcnsitv <br /> Within building pads of additions �)�'%� <br /> Dri��cway sub�zradc 95% for top 3 Icct and 90`% bclo��� <br /> RascmcnURctaining wall backtifl 92% <br /> Utility trench backtill 9�°/, for top � Icct and 90% bclow <br /> BUILDING SETBACK <br /> I�hc purpose of building sctback f�om thc top or toc or an ovcrly stccp portion of a slopc <br /> is to cstablish a safc buffcr such that if a slopc failure should occur on thc slopc, thc <br /> st:�hility of thc structurc can bc maintaincd and damages to thc sU•ucturc minimizcd. <br /> I�:i�turs afl'ccting rcquircd sctback ol'thc ne��� addition and dcck Gom thc crest oCadjaccnt <br /> LIU & ASSOCIATES, ING � �I� �S <br /> � ," <br />