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� <br />::;, , ,,;; ,: <br />— : ,.�.�:: <br />� � , ��.. <br />e <br />,� <br />TE�tRA ASSOCIATES, Inc. <br />Geotechnical Consultants <br />Mr. Stan Sales <br />Norvestco <br />301 - 116th Avenue S.E., Suite 120 <br />Bellevue, WA. 98004 <br />Subject : Geotechnicel Engineering Study <br />Proposed Hoagy's Corner Building <br />Rucker Avenue end 38th Street <br />Everett, Washing[on <br />Dear Mr. Sales: <br />November 4, 1985 <br />Project No. T-233 <br />�[�C�[���'��;� <br />CITY Gi L`�r�r-�T <br />�^SD; Ci1Q11 �-� ���� <br />As requested, ve have conducted a geotechnical engineering study for the <br />subject project. The purpose of our study was to explore the subsurface soil <br />conditions at the property in order to provide recommendations for site <br />preparation, foundetion design end construction for this project. The scope <br />of our study included test ptts, l.aboratory tests, and geotechnical <br />engineering analyses. This report presen[s the findings and the results of <br />our studies, alo,ig wir.li supporting field and laboratory test data. <br />SUrAtARY OF FINDINGS <br />Our study indicates that the proposed building has been Eil:ed in the past by <br />up to 14 feet or more of silty send fill containing some debris which is <br />presently in a loose condition. Underlying the fills is an old topsoil/fill <br />horizon with a thickness ranging from 1.0 to 1.5 feet. Native soils <br />underlying the fill and old [opsoil consist of relatively firm; clean to <br />silty sands to the depths explored. <br />The loose fill soils underlying [he building area will not provide adequate <br />support for conven[ional spread foundations for the proposed building. In <br />addition, an existing rockery nlong the north and east sides of the site may <br />be subjected to excessive pressures by shallow building foundations. To <br />allow for these existing conditions the following foundation cri.teria are <br />considered appropriate. <br />1. Foundations for the building should be extended down to a level <br />below that of the base of the rockery. <br />2. The existtng fills should be removed to a minimum dep[h of two feet <br />beloa found�tion bottoms and replaced by structurel fills. In slab <br />and pavement arees, the depth of overexcavation should be at least <br />12 inches. <br />1301 i N.E. BSth Street • KtrKiana, wasnmgcon yown -�������. i���� �-•---�- <br />Mailing Address: P.O. Box 3338 • Redmond, Washington 98073 <br />