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July 2 i, 2014 <br />Two Single-Family residences <br />L&A Job No. 14-065 <br />Page 2 <br />SCOPE OF SEIZVICES <br />Our proposed scop� of services for this study comprises specifically the following: <br />1. Review geologic and soil conditions at and in the vicinity of the project site based <br />on a �ublished geologic map. <br />2. Explore subsurface conditions of the site with backhoe test pits excavated to <br />deptYis where a firm soil stxatum capable of providing adequate foundation support <br />to buildings is encountered or to the maximum depth (about 1 Q feet) capable by the <br />backhoe used in test pit excavation, whichever occurs first. <br />3. Conduct laboratory soil particle size distribu#ion test in accordance with ASTM <br />�42� on two soil samples obtained from targeted soil layers in the test pits. The <br />T�5U1�5 C9�C lileSC �:�S�iS dY°C; �(> Il)� ilSL(i1 uC� �V�1.I1:ffi�ifL ti�di3s;�:$ic�Y slii5iz� S:�i�S ��a'; S�3a:�'vi�, iJ� <br />stormwater disposal by infiltration and to determine their design infill:ration rates <br />in accordance with USDA Texture Triangle and Washington State Department of <br />Ecology 2012 Stormwater Mana¢ement Manual for Western Washington. <br />4. Perform geotechnical engineering analysis based on soil data obtained from the <br />test pits. <br />5. Prep�re a written report to present our findings, conclusions and geotechnical <br />recommendations. <br />SIT� CONDITIONS <br />SIIRFACE CONDITION <br />The general location of the subject project site is shown on Plate i— Vicinity 1VIap. The <br />project site is bounded by �ound Avenue io the west, and adjoined by residential <br />developmer�t to the north, south, and east. The site is situated on the base of a gentle to <br />moderately steep, northwesterly declining hillside. <br />LIU & ASSOCIATES, INC. <br />