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' ��En�ineer � <br /> April 19, 1993 Gemechnical, <br /> Groencironmental and <br /> GeoloRic Ser�4ces <br /> Sdax HOIDes <br /> 237 Elm Strat <br /> Evereu, Wuhington 98203 <br /> AtteMion: Mr. Randy Clark <br /> �: <br /> S � Building Setbact Conditioas <br /> ! �� Hanabrook Devdopmeot <br /> I , ' Divisions III �N <br /> i ' EvaYtt, Wathiogton <br /> . File No. 2670-0OS Rp6 <br /> 1'he purpose of this leuer is to outline reduced building sGback conditions{or l��cuion of <br /> � ' homa u the oops of al cu <br /> opes on Divisioos III and IV of the Hanabrook Devdopmeat in Evaat, <br /> ��• R'aahinytou. 7bis has been discussed with Mr.Raody Gazk of Sdect Homes, Mr.Pat McCourt <br /> 1, of Univaaal Bcoker�6�Co�poruion, and Mr. Michad Crowson of W�Fi Pacific. <br /> . We L�ve obaavad no ti�oa of inat�bIlity on native alopes ln DivLtiona III +md N. Fill <br /> ' �lopee on Diviaiona IQ�od IV were ooast�ucted with eWcwrai fill consisting of on�ite granulu <br /> solla mda tull-dme monip�riog of a qwlified individwl from our fum. 1Le ahuaural fill is <br /> teyed ioro mcisdog fum nuive wila aad fill placed to achieve the final aloPe Brades hsc beea <br /> ProPa�Y benchad imn existing nuive materials and compacted w 95 percent of I�IDD(maximum <br /> dry deatity)according tp th�6pec�6c�o�of the ASTM D-1557 test procedure. In additioa,the <br /> lots ue graded W alope away from the tops of slopes and all slopes have been covered with jute <br /> °�t�°8 aod hYdroseedod for erosion protection. <br /> In our opinion, where alopes have baa placed, compacted, graded, and vegaated as <br /> described ebove, the minimum building saback distance can be reduced to 10 feet. 1be setback <br /> distance is the horizontal distance measurod {rom the front face of the footing to tLe face of tLe <br /> slope, It should be understood that if the setback distance is reduced to 10 feet, the risks of <br /> losing acass, reducing the design life of the foundations and having slope movement impact the <br /> house foundations ue increased. <br /> G���,i:;pm��cn.Inc <br /> �1�� I;ith 9�enui�\ f <br /> ��onJ.U:4 980;] <br /> ,iionr U�K,�Xl�l-o�.�Ki <br /> �.��i J�bl Wibbuiu <br /> flinle,o'rµy�l�p N�i <br />