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i <br /> I NEL'30N GEOTECHNICAL '� <br /> � N�A ASSOCIATES, INC. <br /> GEOTECHNICAL ENGINEERS & GEOLOGISTS <br /> ( 77311—735'"Avenue NE,A-500 Snohomish Counry(425)337•1669 <br /> I Woodi�ville,WA 98072 <br /> (425)48&1669 • (425)Faz 481-2510 Wenatchee/Chelan(509)784-2756 �I <br /> � <br /> � I <br /> IJune 2,2005 <br /> Mc Rollin Carlson <br /> I 1607 Edgemoor Lanc <br /> Evcrctt,WA 98203 <br /> IGcotcchnical Enginccring L'��aluation <br /> England Avenuc Lot—P:�rccl 00549J013007011 <br /> � Evcrctt,Washington <br /> NGA Filc No. 41 ISOi <br /> I Dcar Mr. Carlson: <br /> Wc are picascd to submit thc attachcd report tillcd "Gcotcchnical Enginccring Evaluation — England <br /> Avenue Lot — Parcel 00549d01300700 — Gverclt, Washington:' This rcport sununarizcs the existing <br /> surface and subsurface conditions within the site and provides recommendations for the proposed sitc <br /> dcvclopmenL Our scn ires �rcrc cumplctcd in �,cncr;d accorJancc �viih thc proposal signcd b�� you on <br /> March 10, 2005. <br /> Thc sitc is currcntly unoccupicd and covcred with xaucred trccs �md brush. Thc sit.: is loca�cd on a <br /> tnodcmtc to stcep nor�h f:icing slopc. Devclopmcnt for this proper[y is planncd to consis[ of thc <br /> I constnicting u 3-story residence with associated pavement, utilities, and rockeries. Prcliminary plans <br /> include a large excawtion for the daylight basement of the residence. Ne monitorcd four georechnical <br /> borings in thc area of thc planncd residence. Our c�plonliuns indicated that the sitc is =encrally <br /> underlain by compcten[dense sand. <br /> \Ve have concluded that the site is generally compatiblc with the planned de�'elopment. Ne havc <br /> I concluded that the site slopes are genemlly stable with respect to deep-seated failures. We have <br /> recommcnded that the new swctures be founJed on the nativc medium dense or better sail for bcaring <br /> capacity and setUement considerations. These soils should be encountercd approximatcly onc ro ei�ht <br /> I fect below the existing grotmd surface, based on our c�plorations. In thc at�ached report, we ha��e also <br /> included general recommendat�ons for site gading, retainine walls/shoring, rockeries, site grading and <br /> �f:llil8�'C. <br /> IDetailed grading plans will be essential for successCul construction on this steeply sloping site. We <br /> shuuld bc rctaincd to revicw thc gr:�ding plans for this projcct prior to consuvction. <br /> � <br /> I <br /> ( <br />