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1�� <br />CiCO �]�I�IIIC�fS <br />$dect HOmes <br />237 EIm Strcet <br />�vcrGt, Wazhington 98203 <br />Auentinn: Tir. Randy Ciark <br />-:., •� i �: -1 0 _, '._ <br />. ...' ; . . . . . : i � <br />AFR 2 �J 139J �"' <br />A� •il 19� 1993"�ITY OF �EVERETf"otedmiwl, <br />p;iClit VJorks Dept.f,memimnmrnlalanJ <br />Gcologic Scn'ires <br />Uuilding Setback Co��Jitions <br />1{anabrook Devclopmcnt <br />Divisions f1I and IV <br />L•vemtt, Wa.ahinFton <br />Filc No. 2G70-0OS-RW <br />7t�e purpnse of ihis Ietter is to outline ralucal building setback conditions for location oC <br />M1omes at the tops of slopes on Divisions III and IV of die Hana6rook Dcvelopment in Gverctt, <br />Wazhington. 77�is M1az been discussed wi�M1 Mr. Randy Ciark o( Seiect Homes, Mr. Pat McCourt <br />of Univcrsal Brokeragc Corporation, and �ir. Michacl Crowson of W&H Pacific. <br />We have observal no signs ot instability on native slopes in Divisions II_ and JV. Pill <br />slopes on Divisions III and IV wcrc conswctcd with stcuclural fill eonsisting of omsi�t granular <br />soils undcr PoII-time monitoring of a qualifial individuai from our firm. 'Ific swcniral fill is <br />keyed into ezisting firm na�ive soils and fill placed to achieve the final slope grades haz bcen <br />propedy bench� i inro existing native materials and compacted to 95 perecnt of MDD (maximum <br />dry de�uity) acwrding to the spaifications o(ihe ASTAf D•1957 �rst procedure. In addilion, ihe <br />lots are gradcd ro slopc away Gom the lops o( slopcs and all slopa havc bcen wvcrcd with jutc <br />matting and hydroseedal for erosion protecuon. <br />In our opinion, whcre slopcs have b:cn piaced, wmpacted, graded, and vcgctatcd as <br />dcsttibcd abovc, thc minimum builJing setback distancc can bo rcduca! �0 10 tceL 71�c sctback <br />distance is ihc hor'v�mta� distance mcasural from thc front face of the footing ro �he facc ot �hc <br />slope. It should be undcrstood ihat iC iLe sctback disuncc is rcduccd to 10 fect, lhc risks of <br />losing access, rafucing the design life of the foundations and having slope movement impact �he <br />housc foundations arc incrcazod. <br />GnFaGmers.luc. <br />8410 154ih Avimuc 5E. <br />AttinoiM.CA 9NOS' <br />fikphone(:afi);f,l (� <br />fac (2fG) YGI{Nii�� <br />nm�w m..n�a wn, <br />