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r <br /> .s+r <br /> �eo�Engineers : <br /> _ . _ ;s � <br /> � <br /> JU� i 1 i:'�c i <br /> ........ ........................................ <br /> CITY Ci' EV'= . ..... <br /> �RETT AprII 19, 1993 <br /> Pubiic 1'�nrl;s ra,t. ccotechnical, <br /> Geoenvironmentd�nd <br /> Geologlc Scrvlas <br /> Selecc Homes <br /> 237 Elm Shcet <br /> Evaett, WyshingW4 98203 <br /> Auention: Mr. Randy Clark <br /> Building Setba:_ +ondidons <br /> Hanabrook Development <br /> Divisions III snd Iy <br /> Evaat, Washington <br /> File No. 2670-005-R06 <br /> 1he pucpose of this letter is to outline reducad building setback conditioas for locadon of <br /> homes u the tops of slopes on Divisions III and IV of the Hanabrook Development in Everett, <br /> W�i°�°a. '�is bas been discussed with Mr. Randy Clark of Seled Homes, Mr. Paz McCourt <br /> of Univus�t Broter�ye Coippruion, �nd Mr. Michad Crowson of W&Ei Pacific. <br /> Wa 6ave obsaved no eiyns of iastability on native slopes in Divisiom III and N. Fill <br /> alopas on Divisions III and N wero coostmaed with stiuctural fill consisting of on-site granular <br /> eoils uada full-time monitoring of a qualified individual from our firm. 17u awcwrsl filI is <br /> r°Y°d �� ��stin8 fum native soils and fill placed to achieve the final slope grades has boen <br /> properly bend►ad into qcisting native materiels and compacted to 95 percent of MDD (maximum <br /> d�'Y d�s��Y)axording to the specifications of the ASTM D-1557 tesc procedure. In addition,the <br /> lots are gradad to slope away fmm the wps of slopes and all slopes have been covered with jute <br /> �0Y�6Y��dad for erosim�protection. <br /> In our opinion, whae slopes have bxn pl�.sd, compacted, graded, and vegetated as <br /> described abovq the minimum building secback distance can be reduced to 10 faet, 'Ihe sabact <br /> discance is the horizontal distance measured from the front face of the footing W the face of the <br /> slope. It ahould be wderstood that if the setback distance is reduced w 10 fed, the rislcs of <br /> losiag access, roducing ihe design life of the foundations and 6aving slope movemeat impact the <br /> house foundatioac are increased, <br /> GeoE�i�neers,Inc. <br /> 8410 154th Avenue N.E. <br /> R�rlmnnd,WA 9R052 <br /> Telep.one(2W)&ii 6p(1p <br /> Fax(206)861�i050 <br /> flin:e�m ieqviM WDui <br />