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Geotechnical Report of Subsurface Investigation <br />LA3642 SCE LAVETA SUB CS (LA23642A) <br />Job Number: 24125796 <br /> <br /> <br />April 29, 2024│3 <br />Subsurface Profile <br />Based on the results of our borings, the soils beneath the surface can be summarized in the table <br />below: <br />Material <br />Encountered <br />Approximate <br />Depth to Bottom of <br />Stratum <br />Description Consistency / Density <br />SAND 27 Brown and tan silty sand Medium Dense to Very <br />Dense <br />PWR 32 Partially Weathered Rock <br />sampled as silty sand -- <br />SAND 37 Brown and tan silty sand Very Dense <br />PWR 51.5 Partially Weathered Rock <br />sampled as silty sand -- <br />Detailed descriptions of conditions encountered at each exploration point are indicated on the <br />individual logs in the Appendix B. Stratification boundaries on the boring logs represent the <br />approximate location of changes in soil types; in-situ, the transition between materials may be <br />gradual. <br />Groundwater was not encountered at the time of drilling. Groundwater levels will fluctuate with <br />seasonal and climatic changes and may be different at other times. <br />Earthwork Recommendations – Equipment Mat <br />Earthwork is anticipated to include excavations and fill placement. The following sections provide <br />recommendations for use in the preparation of the equipment mat foundation area and access drive. <br />Site Preparation <br />The subgrade should be evaluated under the direction of the Geotechnical Engineer. Areas where <br />soft material are present or excessively wet or dry material should either be removed, or moisture <br />conditioned and recompacted. <br /> <br />2210 3%4 N Grand Ave Unit# <br />WCC01 - 1011184045/30/2024