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!: <br /> �' <br /> � <br /> i <br /> I �' <br /> a <br /> :,, <br /> I �" <br /> ; � <br /> j ';f <br /> • �� <br /> � � <br /> , -� <br /> CASCADE GEOTECHNICAL I '"� <br /> �� ,t <br /> Dec-_tnber 2 , 198 i <br /> Job No. 8711 -20G ? <br /> Seattle Mortgage <br /> Page 3 <br /> Test oit #3 was dug in a relatively loa lying area and revealed I <br /> approximately one and one-half ( 1 -1/2) feet of duff overlying six <br /> ( 6 ) inches of toosoil and one ( 1 ) foot of brown to rusty brown <br /> silty sand which had been disturbed by roots. Aelow the roo = <br /> disturbed silty sand is the same sequence of glacial soils found in <br /> the other test pits. <br /> All elevations are � eferenced to the existing grade at the time of <br /> our investiqation. <br /> No ground •aater seepage was noted in the test pits at this time. <br /> =,� <br /> CONCLUSZONS '`� <br /> I '� <br /> i 3 <br /> It is our conclusion that the site is suitabla for the � `± <br /> proposed i <br /> development . � � •��� <br /> ,j <br /> RECOM?4ENDATIONS � �� <br /> � �+4 <br /> 7 <br /> 5ite Preparation I � <br /> i ':'9 <br /> We recommend stc'ipping all buiiding and paved areas of vegetation, <br /> topsoil, duff and soil wi�h roots in it . <br /> The soils observed in the test pits are extremely moisture sensi- <br /> tive and will deteciorate under wet working conditions. We recom- <br /> mend that all earthwork and site preparation take place during an <br /> extended period of dry weather if possible. �I <br /> E'oundation Placement <br /> Footinqs may be placed directly upon the rusty brown, mediuni dense <br /> silty sand with some gravel. The medium c3ense silty sand with soine <br />