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. � <br />(knln�ic /nvesli¢nfinn nnd Gentechnical lirrx�ineerinr Renor( <br />l?.'J:1lndro��a �I ve. - / of 3 <br />lirere((, I{'arhing(on <br />4.1 Seasonal Working Conditions <br />�. <br />97-01-20 <br />77ie soil found below this site is moisture sensitive and will readily become moisture disturbed if worked <br />or exposed during extended periods of wet weather. We caution that working on these soil when wet <br />could alter their engineering characteristics. The recommendations given in this report are not directed <br />toward wet weatUer construction. The recommendations contained 'm this report speciScally address <br />dry weather development. If site development is to proceed during extended periods of wet weather or <br />if d�e ea�osed soil is moisture disturbed, GES, Inc. sUould be contacted to develop appropriate <br />recommendations given the observed conditions. Certaiv elements of the project may not be able to be <br />completed witl�out consideraole effort and additional expense under these circumstances. <br />4.2 Site Preaaration <br />Site preparation v.�,il include clearing/grubbing and the removal of most existing improv�ments in order <br />to establisl� construction grades wit7�in the building area. The removal of exi�Knig improvements should <br />include all building materials, foundation elements as shown on the site plans, siabs, deleterious <br />materials, top soil and vegetation to the requ'ved site grades. To limit site disturbance and help maintain <br />slope stability's below tl�e site, we recommend that clearing and grubbing be limited to the building <br />envelope. These materials should be removed avd disposed of at an approved, licen ,ed recycling and/or <br />constructiou demolition site. A copy ofthe licensee or permit allowing the disposal of these r�aterials at <br />tl�is site sliould be provided to tLe owner prior to the start of the site preparation. <br />A significm�t amount of surfacc water nui-off and shallow ground water was noted during the site <br />ea��loration phase of this investigation. Because of tliis, surface water rwi-of}' and grouud water <br />seepage may be encowuered during excavation. Site grades should allow for the positive druinage of <br />intercepted water out of tl�e building envelope. Standing water may disturb the exposed soil. A <br />minimum 6" of cnished rock may be placed as a working surface along the bottom oF the site if <br />moisture disturbed soil is encow�cered. Surface water nm-off rnay effect the stability of cut slopes, <br />7 GES, Inc. <br />la <br />