Laserfiche WebLink
( Subsurface Expforatian and <br /> 2026 Grand Avenue Gentechnica[Engineering Repon � <br /> I Everett Washinqron Project and Site Condttions <br /> i <br /> These sediments have been cunsolidated by the weight of several thousand feet of glacial ice, � <br /> ( and are suitable for foundation support if properly �repared according to the recommendations <br /> � presented in this report. <br /> ' <br /> ` The geologic map of the Marysville quadrangle, Washington by James P. Minard, dated 198Q <br /> has mapped die area as consisting of Vashon advance sediments. Our subsurface expforations ; <br /> ( and soil classificatiuns concur with the published geologic map. i <br /> � � <br /> 4.2 Hydrology ` <br /> 1 As noted on the attached logs, wet to saturated soils were encountered within EB-1 at a depth � <br /> of 20 feet and within EB-2 at a depth of 10 feet. The wet condition of soils at depth is likely <br /> I caused by perching of ground water on less permeable finer-grained sediments within the <br /> stratified Esperance sand. Excavation cuts inro the sediments will daylight the perched ground <br /> ���ater layers. <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> 1 <br /> i <br /> � <br /> � Ju!te 19, ZlXJO dSSOCI.ITED EAR7N SCIENCES, INC. <br /> Ii,vs�e��-nr.cnaix�-rnrn���n�w-�rx Page4 <br />