2008-04-03_REVISION - M1980149 (11)

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r Applegate Group, Inc. October 17, 2006 Page 3 Pit 2 (a depth 0 to 2 feet Unified Classification Lean Clay with Sand Gravel (%) 0 Sand 1 %) 27 Passing No. 200 Sieve (%) 73 ASTM D 698 Maximum Dry Density (pcf) 107.2 ASTM D 698 Optimum Moisture Content (%) 17.0 Liquid Limit (%) 38 Plastic Index (%) 22 Pinhole Dispersion @ 95% maximum density Non-dispersive Crumb Dispersion Grade 1, Non-dispersive Permeability @ 95% maximum density (cm/sec) 4.3E-06 Cohesion-Total (C) ksf 0.28 */0/27 * * Cohesion-Effective (C), Effective 0*/0** Angle of Internal Friction (0)-Total, degrees 16.8*/16.1 ** Angle of Internal Friction (01-Effective, degrees 34.1 */29.3 Tan 101, Total 0.3 */0.29 * * Tan (0-, Effective 0.68*i0.56** * Based on Mohr's circle method; * *Based on Stress path method RPSarvnir ~ Side Slone ~ depth 2 to 4 feet Unified Classification Claystone Bedrock Gravel 1 %) 0 Sand (%) 6 Passing No. 200 Sieve (%) 94 ASTM D 698 Maximum Dry Density (pcf) 1 1 1.2 ASTM D 698 Optimum Moisture Content (%) 16.2 Liquid Limit 1%) 40 Plasticity Index (%) 21 Pinhole Dispersion @ 95% maximum density Non-dispersive Crumb Dispersion Grade 1, Non-dispersive Permeability @ 95% maximum density (cm/sec) 2.5E-06 Cohesion-Total (C) ksf 0.31 */0.28 * Cohesion-Effective IC), Effective 0*/0** Angle of Internal Friction (01-Total, degrees 23.8 */21.9 * Angle of Internal Friction (0)-Effective, degrees 35.1 */29.9 Tan (fr7), Total 0.44*/0.40** Tan (Q1), Effective 0.70*/0.57** * Based on Mohr's circle method; **Based on Stress path method Kumar & Associates, Inc.