2005-06-24_REVISION - M2000016 (6)

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Galena 4.01 Analysis Reaulta Licensee: otfice of surface Mining Project: Lafx rge: Aiverbend Pi[, M-2000-016, AM-O1 Pile: M:\min\kls\M-1000-016. AM-O1 Lafarge-Riverbend.gmf Processed: 16;19:44 22 Sun 2005 OATp: Analysis 1 - Phase 5, Ceil 5 West Material and water Properties (9 ma[erialsl Material: 1 (Mohr-Coulomb Isotropic) -Overburden Cohesion Phi UnitWeight Ru 4.00 34.0 90.00 1.10 Material: 2 (Mohr-Coulomb Isotropic) -Sand and Gravel Cohesion Yhi UnitWeigh[ Ru o.DD 3s.B 13o.oD l.lD Material: 3 (Mohr-Coulomb Isotropic) - Weathered Claystone Cahesiatt Phi Unitxeight Ru 0.00 14.0 125.00 1.10 Material: 4 (Mohr-Coulomb Isotropic) - Intact Bedrock . Cohesion Phi Uni[Weight Ru 700.00 25.0 125.00 1.10 Unit weight of eater: 62.450 Unit veight of eater/medium above ground: 52.450 Material Pmfilee (4 prof ilea) Profile: 1 (2 ppiate) Material beneath: 1 - Overburden -10.00 0.00 110.00 0.00 Profile: Z (2 poiatsj Material beneath: 3 - Weathered Claystone -10.00 4.00 110.00 4.00 Profile: 3 (2 points) Material belmath: 2 -Sand and Gravel -10.00 23.00 110.00 27.00 Profile: 4 {2 points) Material beneath: 1 - Overburden -10.00 55.00 110.00 55.00 Slope surface (4 points) -10.00 0.00 0.00 0.00 25.90 Phreatic &izface (10 points) 0.00 0.00 2.00 4.00 4.00 22.00 14.00 72.00 14.90 $2.00 Failure Surface Circular surface defined by: XL, XR,R 31.80 100. 00 44.80 8.00 7. 00 9.30 16.10 71. 00 16.90 Circle centre: XC: 7.85 YC: 62.41 Circle radius: R: 62.40 Intersections: XL: 0.24 YL: 0.40 XR: 65.90 YR: 39.$3 Generated ,fail ure surface 120 points) 0,14 0.48 9.55 0.10 8.87 0.02 13 .20 0.24 21.7(. 1.58 25.92 2.69 30.03 a.08 34 .00 5.76 x1.50 9.92 45.14 12.78 98.51 15.09 51 .70 10.02 57.41 24.51 $9.92 18.03 61.18 31.12 64 .17 3$.56 RESULTS: Analysts 1 - Phase 5, Cell 5 Weat Bishop Siaq/lified Method of Analysis - Circular Failure Surface Factor oli Safely: 0.98 Slice Gernsetry and Properties (90 slices) 51ice x-Left Width Y-Top Y-Base 1 0. 24 1.76 2. 24 0.40 2 2. 00 2.00 6. 00 0.24 3 4. 00 0.55 8. 55 0.13 9 4. 55 2.16 11. 16 0.08 5 6. 71 2.16 15. 59 0.09 6 8. 87 1.31 19. 06 0.06 7 10. 19 1.31 21. 69 0.12 0 11. 50 1.70 24. 70 0.20 9 13. 20 1.35 21. 74 0.33 10 14. 55 1.35 30. 45 0.49 11 15. 90 1.59 31. 92 0.67 lI 17. 49 2.12 32. 11 0.97 13 19. b1 2.12 32. 54 1.38 14 11. 74 2.09 32. 06 1.86 15 23. 83 2.09 33. 19 2.91 16 25. 92 1.92 33. 50 3.02 17 27. 84 1.92 33. 79 3.67 10 29. 77 2.12 ]4. 11 4.43 19 31. 89 2.12 34. 43 5.32 20 34. 00 1.93 34. 75 6.25 11 35. 93 1.93 35. 05 7.22 Base Baee' Base Angle Ma[1 Cohesion -5.0 3 0.00 -5.0 3 0.00 -5.0 3 0.00 -1.0 3 0.00 -1.0 3 0.00 2.9 ) 0.00 2.9 3 0.00 2.9 3 0.00 6.9 J 0.00 6.9 3 0.00 6.9 3 0.00 10.9 3 0.00 10.9 1 0.00 14.8 3 0.00 14.0 7 0.00 18.8 3 0.00 18.8 3 0.00 22.3 2 0.00 22.0 2 0.00 2fi.B Z 0.00 26,8 Z 0.00 Total weight aaa.ao 1960.57 591.17 3100.85 9327.59 3217.07 3653.96 5251.97 4538.54 4840.05 5867.00 7812.63 7767.05 7580.53 7496.47 6805.06 6690.00 7231.37 7048.71 6247.84 6055.16 POxeWater Pores 202.n 722.48 215.38 1165.05 1306.26 866.68 917.19 1240.06 1018.03 1020.26 1222.19 1662.61 1667.74 1649.81 1600.35 1449.71 1380.47 1482.75 1387.22 1192.86 1076.92 ]2.00 11.90 100.00 17.50 17.99 0.76 37.87 7.71 54.67 21.16 65.90 39.53 Normal Teat Stress Pastor Z3Z.30 1.03 738.78 1.03 1088.94 1.03 1437.97 1.00 2007.55 1.00 2427.94 0.99 2757,00 0.99 3067,03 0.99 3277.80 0.98 3494.37 0.90 3601.81 0.98 3541.79 0.97 3521.99 0.97 3444.OD 0.97 3404.90 0.97 3311.47 0.97 3258.28 0.97 2784.30 0.83 2696.57 0.83 2521.94 0.82 2434.43 0.82