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Geo ��Fngineers <br />Select Homes <br />237 Elm Strcet <br />: vecett, Washington 98203 <br />Attendon: Mr. Randy rtazk <br />-� 1 � �• � r, � „ =a ,'�. <br />;'a J � <br />' AFR ,^ i' 1°93 '""'1 <br />April19, 1993 ..................................................... .. <br />CITY OF EVERET�e6tech,.:-al, <br />Public VJorks Dept.�nvironmentaland <br />Geologic Services <br />Building SeWack Conditions <br />Nanabcook Development <br />7ivisions III and N <br />Everett, Washington <br />File No. 2670-0OS-R06 <br />'Ibe purpose of this letter is to oudics reduced building setback condiGons for location of <br />6omes at the Wps of siopes on Divisions III and N of the Hanabrook Development in Everett, <br />R'uh�nBton• 71iis hu been discussed with Mr, Randy Clazk of Selecc Homes, Mr, pat McCourt <br />of Universal Hrokerage Corporadon, and Mr. Michael Crowson of W&H Pacific. <br />We have obsaved no signs of iastability on native slopes in Divisions III and IV, Fill <br />slopes on Divisions III aad IV were constructed W��y strvctural fill consisting of on-site granulaz <br />soils unda full-time monitoring of a qualified individuai from our firm. The structural fill is <br />keyod into existing fi�m oative soils and fill placed to achieve the final slope grades has been <br />properly benched into ezisting native materials and compacted to 95 percent of MDD (maximum <br />�Y d���Y) a�cording to the specifications of the ASTM D-1557 test procedure. In addition, the <br />lots aze gradod co slope away from the tops of slopes and all slopas have beea covered witii jute <br />matting and hydroseeded for erosion protection. <br />In our opinion, where slopes have been placed, compaaed, graded, and vegetated as <br />desttibed above, the minimum Uuitding setback distance can be reduced to 10 feet. The setback <br />distance is the horizontal distance measured fiom the front face of the footing to the face of the <br />slope. It should be understood that if the setback distance is reduced to 10 feet, the risks of <br />losing access, reducing the design life of the foundations and having slope movement impact the <br />house foundations are increased. <br />GeoF.n�inccrs, Inc. <br />8410 154th Avenuc N.E. <br />Redmond,IXp 9g052 <br />Telephone (20G) S61�i000 <br />Far (206) A61�i0S0 <br />nmua �, �«y�im wre,. <br />