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Geotechnical • Coastal • Geologic • Environmental <br />1446 E. Chestnut Ave. · Santa Ana, California 92701 · (714) 647-0277 · FAX (714) 647-0745 <br />November 2,2005 <br />W.O. 4976-Al -OC <br />Pacific Development Group <br />One Corporate Plaza, Second Floor <br />Newport Beach, California 92660 <br />Attention:Mr. Tony Zarinelli, Construction Manager <br />Subject:Foundation Recommendations, Proposed Remodeling, Existing Shopping <br />Center at 1307 West Sunflower Avenue, City of Santa Ana, County of <br />Orange, California <br />Gentlemen: <br />GeoSoils, Inc. (GSI) is pleased to present the results of our geotechnical investigation for <br />the site. The purpose of this report is to present the results of our investigation, as well <br />as to provide preliminary foundation recommendations for the currently planned <br />remodeling and related improvement(s). <br />EXECUTIVE SUMMARY <br />Based on our review of data, field exploration, laboratory testing, and geologic and <br />engineering analyses, the site appears suitable for its intended use, from a geotechnical <br />viewpoint, provided the recommendations presented in the text of this report are <br />implemented. <br />Alluvium underlies the entire tract area. Groundwater was encountered on site at <br />depths of 17.5 to 21.5 feet during this study. These observations reflect site <br />conditions at the time of our site investigations. However, historical groundwater is <br />recorded to be at approximately 5 feet. <br />The site is designated by CGS (California Geological Survey) as a seismic hazard- <br />E-ne-having a potential for liquefactiof The site is underlain at depth by alluvial <br />deposits that are overlain by engineered fill materials. Based on GSI's evaluation <br />of the underlying fine sandy soils, the site has a potential for liquefaction.