5629 1ST DR W 2016-01-01 MF Import

• Geo�Engineets • April 19, 1993 Geotechnicxl, Geoem9ronmental and Geologic Services Selax HOmes 237 Eim Strat Everctt,Washington 98203 Aumtion: Mr. R�ndy Clark . Building Sdbact Condidoas Hanabrook Devdopment Divisions III aod IV Evereu,Wuhiogton File No. 2670-005-R06 7he pucpose of this Idta is to oudine reduced buildina utback wnditions for location of homes at the copY of elopes on Divlsions III and N of the H�brook Devdopmeat in Evuett, yyashio�On. 'his hu beea disc�aed with ktr.Randv Guk of Sdect Homes, Mr.Pat McCourt of UnNa�l BrotacaQe Cocpor�Hon, and Mr• Micesd Crowson of WdcH Pacific. ' We have oMaved no tiana of instab�ity on native dopea in Divisions III �nd IV. Fill slopea on Diviabm III aod IV wrae oonctxucted with pivnucal filt coasistiog of on-atte granulu soils unda tull-time monicoriog of a qu�lifiad individual trom our firm. '!be suucwral fill is keyed into aiadng fum netive eoils and fill placed to uhieve the final slope grades has baea Propaly beochod inco ea�istu�g nuive materiels and compacted w 95 perceat of IvIDD(mauim�um dry deosity)accordiny ro t6e specificatioas of the ASTM D-1557 test procadure. In addition,the lots are�raded to alope away from the tops of slopes and ail siopes have been covaed with jute mauiny�nd 6ydraSeeded for ansion protection. "� our opiaion, when slopes have baen placod, compactod, graded, and vegetatad u describeA above,t6e mInimum building setback distance can be reduced to 10 fea. 'Ibe setback distance is the horizontal distance measurod from the front face of tLe footing to the face of the siopa It s6ould be understood that if the setback distance is reduced to 10 feet, the risks of losing access, reducing the design life of the foundations anA having slope movement impact the house foundations are increased. GcuEngina�rs.Inc. . &10 li�ith.4crnuc\.E. Redmond.uA 9805: Tclephonc�?O6)8611i000 Fa�(206)8G1bD50 .. . .ma.a m�axka nm. , � .