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( iCU � �:11!',IOCP11 <br />Scle�.�t Homes <br />237 Elm Street <br />Everar, Wuhington 98203 <br />Adention: Mr. Randy Clark <br />April 19, 1993 �����"����"��:•�. <br />Grurn� irv�lineulAl And <br />Grnlogic Scn ia�. <br />tluild:a, . . ..c Conditions <br />Hanabroc� � :vuc pment <br />Divisionc �c :nd IV <br />Evaar, �1'b.iington <br />File No. 2670-0DS•R06 <br />The purpose of this letta is w outline reduced building se:back conditions for location of <br />homis at t6e tops of slopes on Divisions Ifi and IV of the Hanabrook Development in Everen, <br />Waz6ington. 'Riis Aaz been discussed wich Mr. Randy Clark of Seiect Homes, Mc Pat McCoun <br />of Universal Brokttage Corporation, and Mr. Michad Crowson o[ W6cH Pacific. <br />We have obsmed no signs of i�uubility on native siopes in Divisions III md IV. Fill <br />slopa an Divisions ID and N wae coosWned with swctural fill wnsisting of on-site granular <br />soils unda full-time monitoring of s qualified individual from our fvm. 'I7ie swctural fill is <br />keyed inro existing finn rotive soiis and �II placed to achieve the final alope grades haz been <br />properly benched into existing nuive materials and compaaed eo 95 percent of MDD (mazimum <br />dry dentity) according W lhe specifications of Ihe ASTM D-I557 test procedure. In addition, the <br />lots are graded to slope away from the tops of siopes and all slopes have been covered u•ith jwc <br />matting and hydroseeded for erosion protection. <br />In our opinion, where slopes have becn placed, mmpacted, graded, and vegclateJ :i <br />described above, the minimum tuilding setback distance can be reduced to 10 feet. The setback <br />distance is the horizontal di�tance measured from the Gont face o( the footing to the face of thc <br />slope. Il should be unJerstood Uia� if the setFack distance is reduced m 10 fcet, the risks of <br />losing access, reducing th; Jesi6n life of �he foundations and having slope mo� ement impact the <br />house (cundatiort� ue increa:ed. <br />