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Job !{o. 4871 Page 1 <br />INTRODUCTION <br />This report presents the results of testlng and <br />observatloos nade by thls flrm durlng the rough gradlngperformed on the property locaEed at 3220 S. Falrvlerc Street <br />1n the clEy of Santa Ana, Callfornia. <br />Refereoce should be rnade to the GeotechnlcalInvestiSa!10n as prepared by thls firm on ovember 53 1987.Please also refer to our Gradlng Plan Review letEer dated <br />January 2L// 1988. <br />FIELD TESTING AND OBSERVATIONS <br />As preparatlon <br />performed: <br />the <br />clearlng operaElon,vegetation, <br />removed from thewere <br />for <br />1. The existlng ground in the areas of the building,extending a nininuo of 5 feet outside the bulldlng line, wasundercut to a depth of 3 feet below the boEton of thefootlngs. The exposed surface was then scarifled and <br />compacted to a depth of 6 to 12 Lnches. <br />2. The existing ground ln the Lruck well areaundercut to a depth of 3 feet below the bottom offootlngs and then scarified and compacEed to a depth of <br />12 inches. <br />1{AS <br />the <br />6 to <br />3. The exlsEing ground ln Ehe driveway and parklng areas <br />were scarLfled and compacted to a depth of 10 to 12 inches. <br />4. Benches were constructed into the previously placed <br />fill during the undercut operating and as the new fl11 wasplaced. <br />5. A sof! and ueE areatruck nel1 area at the <br />yas encountered in the <br />conpletlon of grading. <br />bot.tom of <br />Thls area <br />I <br />Planned for construcEion is a single two-story <br />office/narehouse bullding nhich will be of concrete tilt-up <br />type. The strucEure 1s to be supported on conventlonalcontlnuous and pad footings with slab-on-grade concrete <br />f 1oors. <br />As part of thebulldings, and debris <br />all <br />site. <br />recelving fi11, the followlng was <br />I <br />t <br />I <br />I <br />ll