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TMC ENGINEERS INC. <br />Geotechnical, Structural and Civil Engineering <br />Add: 9542 Pacific Ave, Anaheim, CA92804. Phone: 714-829-5053; Email: Tienchu.pe@gmail.com <br /> <br />Page 18 <br /> <br /> <br />APPENDIX A FIELD INVESTIGATION <br />Subsurface conditions were explored by drilling hand auger boring to a maximum depth of 5 feet at <br />approximate locations shown on the enclosed Site Plan. Upon completion of excavating, the boreholes <br />were backfilled with onsite soils that were removed from the excavations. <br />The drilling of the test boring was supervised by a geotechnical engineer, who continuously logged the <br />borings and visually classified the soils in accordance with the Unified Soil Classification System.