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Project No. D-3885-06 <br />Christ Our Savior Catholic Parish <br />B-4 3 73 33 40 <br />Weighted Plasticity Index at upper l5 feet is as follows: <br />Weight Factor (F)Depth (D) <br />in (ft) <br />FxD PI FxDxPI <br />J 5 l5 l8 270 <br />2 )l0 200 <br />t 5 5 40 100 <br />Total 30 5',70 <br />Average Weighted Plasticity Index at upper l5 feet is 570 / 30: 19 <br />H. Stabilometer "R" Value (State of California Standard Method 301) <br />"R" Value test was performed on a representative subgrade sample for pavement section <br />determination. The test results are as follows: <br />*Interpolated 300 psi by exudation, Rv:25 and l8 by expansion. <br />Seismic Factors <br />The following are the geotechnical parameters for earthquake design data in accordance <br />with USGS Design Maps Summary and Detailed Report presented in Appendix D: <br />Test No Moisture o%Dry Unit Wt <br />(pc0 <br />Exudation <br />Pressure (psi) <br />Stabilomter <br />"R" Value <br />a 14.6 109.3 445 48 <br />b 245 30 <br />107. I 326 36 <br />+25 <br />l3 <br />l0-15 <br />I <br />I <br />I <br />20 <br />16.4 t05.7 <br />15.5