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Project No. D-3885-06 <br />Christ Our Savior Catholic Parish <br />Boring/CPT Location Map (Plate B-2, Appendix A). CPT's were drilled from 50- to 70- <br />feet below the existing ground surface. Electronic record of CPT data and correlations <br />were available from the CPT rig. <br />Continuous record of tip penetration resistance and sleeve friction, as well as various <br />conelations derived from these are presented in Appendix C. <br />Subsurface Conditions <br />The seven borings and five CPT soundings performed for this study encountered <br />relatively shallow groundwater ranging from approximately 14 to 24 feet. Based on CGS <br />Newport Beach Quadrangle Map, released April I 7, 1997, historic high groundwater <br />depth was approximately 5-feet below the existing ground surface. <br />A. Artificial Fill <br />Except for some rninor topsoil and/or pavement and other upper materials, no significant <br />artificial man-made fill was encountered below existing ground at the exploration <br />locations. <br />B, Alluvium <br />The underlying natural soils at the site generally consisted of wet and loose, silty fine <br />sand, with interbedded layers of finer, silty clay and organic peat. The Standard <br />Penetration Resistance (SPT) N-values were low, and the correlated N-values from CPTs <br />were slightly higher and generally consistent with the borings. Peat was encountered <br />mainly between l0- to 2O-feet below the ground in our borings. These materials are very <br />susceptible to settlement due to loading and should be treated properly to minimize <br />settlement. <br />C. Groundwater <br />Groundwater was encountered in between 14 feet to 23 feet below ground surface. <br />t0 <br />t <br />T <br />I <br />I <br />T <br />T <br />u <br />I <br />I <br />T <br />I <br />I <br />I <br />T <br />I <br />I <br />I <br />I <br />T