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Geo�En�ineers _ <br /> �` :�; .-� �-, � :-, .� :� <br /> � 1 ;, 1 <br /> '• ; •': -: :: ,:, : i S .. <br /> AFR 2 : i993 �`y'� <br /> April 19, 1993""CITY OF EVERET�eoiahnical, <br /> Public Works Dept.Geoenvironmentalwd <br /> Geologic Servitts <br /> Seled HOmes <br /> 237 Elm Strcet <br /> 3verett, Washingcon 98203 <br /> Attention: Mr. Randy Clazk <br /> Building Setback Conditions <br /> Hanabrook Development <br /> Divisions III and IV <br /> Everett, Washington <br /> File No. 2670-0OS-R06 <br /> 'Ihe purpose of this letter is to outline reduced building setback conditions for location of <br /> homes at the wps of slopes on Divisions III and N of the Hanabrook Development in Everett, <br /> Waehingwn. 1Lis haz been discussed with Mr. Randy Clazk of Selea Homes, Mr, pat McCourt <br /> of Universal Hrokaage Cocporation, and Mr, Michael Crowson of W&H Pacifia <br /> We Lave obsecved no signs of inscability on naflve slopes in Divisions III and N. Fill <br /> slopes on Divisions III and IV wae coastructed with structural fill consisting of on-site graaulaz <br /> soils unda full-time monitoring of a qualified individual from our firm. 'lhe struccural fill is <br /> koyed 9nco existing firm native soils and fill placed to achieve the final siope grades has been <br /> ProP��Y������utinB native matecials and wmpacted to 95 peccent of MDD (mazimum <br /> �Y d�«Y)��d�8�the specifications of the ASTM D-1557 test procedure. In additien,the <br /> lots are graded to slope aNay from tLe Wps of slopcs and all slopes have been e.uvereie with jute <br /> matting end hydroseaiied for erosion protection. <br /> In our opinioa, where slopes have been placed, compacted, graded, and vegetated as <br /> described above, the minimum building setback distance can be reduced to 10 feet. 1'he setback <br /> distance is the horizontal distance measured from the front face of the footing to the face af the <br /> slope. It ahould be unders'ood tbat if the setback distance is reduced to 10 feet, the risks of <br /> losing access, reducing the design life of the foundations and having slupe movement impact tLe <br /> house foundations aze increased. <br /> GeoEngineers,Inc. <br /> 84i0 154th Avenue N.E. <br /> Redn;ond,WA 98052 � <br /> Tele�:;:�ne(206)361�6000 <br /> Fax(206)661bOS0 <br /> RMid m�ecKiea wx�. . . <br />