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i <br /> i <br /> r <br /> CASCADE GEOTECHNICAL <br /> ��• Auqust 3, 1989 <br /> Job No. 897-25G <br /> CPC, LTD. <br /> '' Paq e 5 I <br /> f <br /> � St���t��al F�11 , <br /> �1 The on-site material, rusty brown to qray silty sand, appears <br /> suitable for fill as long as the moisture content ia ke�t at or <br /> � below the ootimum value. We recomman�i olacina li£ts to a maximum <br /> of twelve ( 12) inch thicknesses and coiipactinq to at least 95! of <br /> � ASTM D-1557 maximum dry deneity. <br /> � All topsoil shoulA be remove�3 and the subqrade proof rolled with <br /> � any soft or wet spota remove9 orior to placement of anY fill. <br /> � <br /> f� If a wet subqraAe or wet weather is encountered rlurina fill <br /> ulacement we rer,ommend using an all-weather fill havinq leas than <br /> � five (5 ) percent minus A200 sieve material based on the £raction <br /> passinq the N4 sieve in the aubqrade. <br /> � <br /> General <br /> i <br /> We recommend that we be enqagerl to review the final plans before � <br /> i <br /> � construction begins to see that our recommendations have been � <br /> properlY interpreted. We also recommend that we be on aite to i <br /> confirm bearinq soil and to obaerve all placement af structural I <br /> � fill. <br /> � we exoect the on-site conditions r_o reflect our findinqs; however , <br /> some variations may occur . 8hould aoil conditions be encountered <br /> � that cause concern an�/or are not �iscussed herein. we should be <br /> contacted immediately to determine if a�i�litional or alternate <br /> re�ommenc�ations are reaoired. <br /> � <br /> � <br /> � <br /> � <br /> i <br />