2020-12-08_REVISION - M2008078 ‎(21)‎

• Permit No: M2008078
• IBM Index Class Name: REVISION
• Doc Date: 12/8/2020
• Doc Name Note: Part 5 of 6
• Doc Name: Request For Amendment To Permit
• From: Prowers Aggregate Operators, LLC
• To: DRMS
• Type & Sequence: AM2
• Email Name: AME
• Email Name: MAC
• Media Type: D
• Archive: No

Critical Failure Surface Search using Multiple Circle Generation Techniques
Initial failure surface approximation - Factor of Safety: 4.449
Analysis Summary
There were: 20001 successful analyses from a total of 20001 trial failure surfaces
Critical (minimum) Factor of Safety: 2.62
Results Summary - Lowest 99 Factor of Safety circles
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Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre Radius FoS
1 155.68 144.00 390.00 200.00 200.51 474.65 333.67 2.623 Critical Surface
Surface
2 158.32 144.44 390.00 200.00 204.54 462.53 321.43 2.623
3 162.00 145.67 390.00 200.00 213.78 433.91 292.86 2.623
4 159.89 144.96 390.00 200.00 208.50 450.30 309.18 2.623
5 160.42 145.14 390.00 200.00 209.82 446.22 305.10 2.624
6 161.47 145.49 390.00 200.00 212.46 438.02 296.94 2.624
7 160.95 145.32 390.00 200.00 211.14 442.12 301.02 2.624
8 157.79 144.26 390.00 200.00 203.22 466.59 325.51 2.624
9 158.84 144.61 390.00 200.00 205.86 458.46 317.35 2.625
10 154.11 144.00 390.00 200.00 199.24 478.73 337.76 2.625
11 157.26 144.09 390.00 200.00 201.90 470.64 329.59 2.626
12 156.21 144.00 390.00 200.00 200.60 474.71 333.67 2.626
13 152.53 144.00 390.00 200.00 197.97 482.80 341.84 2.627
14 157.79 144.26 390.53 200.00 203.66 466.53 325.51 2.628
15 161.47 145.49 390.53 200.00 212.89 437.94 296.94 2.628
16 159.37 144.79 390.53 200.00 207.61 454.32 313.27 2.628
17 159.89 144.96 390.53 200.00 208.93 450.24 309.18 2.628
18 160.42 145.14 390.53 200.00 210.25 446.15 305.10 2.628
19 160.95 145.32 390.53 200.00 211.57 442.05 301.02 2.628
20 154.63 144.00 390.00 200.00 199.32 478.79 337.76 2.629
21 159.37 144.79 390.00 200.00 207.18 454.38 313.27 2.629
22 157.26 144.09 390.53 200.00 202.34 470.58 329.59 2.630
23 158.32 144.44 390.53 200.00 204.97 462.46 321.43 2.630
24 156.74 144.00 390.00 200.00 200.68 474.77 333.67 2.630
25 156.21 144.00 390.53 200.00 201.04 474.65 333.67 2.630
26 153.05 144.00 390.00 200.00 198.06 482.86 341.84 2.631
27 155.16 144.00 390.00 200.00 199.41 478.84 337.76 2.632
28 154.63 144.00 390.53 200.00 199.76 478.73 337.76 2.633
29 158.32 144.44 391.05 200.00 205.41 462.40 321.43 2.633
30 158.84 144.61 391.05 200.00 206.73 458.33 317.35 2.633
31 159.37 144.79 391.05 200.00 208.04 454.25 313.27 2.633
32 158.84 144.61 390.53 200.00 206.29 458.39 317.35 2.634
33 156.74 144.00 390.53 200.00 201.12 474.71 333.67 2.634
34 153.58 144.00 390.00 200.00 198.14 482.92 341.84 2.635
35 153.05 144.00 390.53 200.00 198.50 482.80 341.84 2.635
36 160.42 145.14 390.00 200.00 208.79 450.52 309.18 2.636
37 155.68 144.00 390.00 200.00 199.49 478.90 337.76 2.636
38 155.16 144.00 390.53 200.00 199.85 478.79 337.76 2.636
39 159.89 144.96 390.00 200.00 207.47 454.60 313.27 2.637
40 152.00 144.00 390.00 200.00 196.88 486.99 345.92 2.637
41 161.47 145.49 390.00 200.00 211.43 442.34 301.02 2.637
42 159.37 144.79 390.00 200.00 206.15 458.67 317.35 2.637
43 162.00 145.67 390.00 200.00 212.75 438.24 296.94 2.637
44 158.84 144.61 390.00 200.00 204.83 462.74 321.43 2.638
45 158.32 144.44 390.00 200.00 203.51 466.80 325.51 2.638
46 157.79 144.26 390.00 200.00 202.19 470.85 329.59 2.638
47 154.11 144.00 390.00 200.00 198.23 482.98 341.84 2.638
48 156.74 144.00 391.05 200.00 201.56 474.65 333.67 2.638
49 153.58 144.00 390.53 200.00 198.58 482.86 341.84 2.639
50 157.26 144.09 390.00 200.00 200.87 474.90 333.67 2.639
51 156.21 144.00 390.00 200.00 199.58 478.96 337.76 2.639
52 155.68 144.00 390.53 200.00 199.94 478.84 337.76 2.640
53 155.16 144.00 391.05 200.00 200.29 478.73 337.76 2.640
54 159.89 144.96 390.53 200.00 207.91 454.53 313.27 2.640
55 152.53 144.00 390.00 200.00 196.97 487.05 345.92 2.640
56 159.37 144.79 390.53 200.00 206.59 458.60 317.35 2.641
57 152.00 144.00 390.53 200.00 197.32 486.94 345.92 2.641
58 160.95 145.32 390.00 200.00 210.11 446.43 305.10 2.641
59 160.95 145.32 390.53 200.00 210.54 446.36 305.10 2.641
60 158.84 144.61 390.53 200.00 205.27 462.67 321.43 2.641
61 154.63 144.00 390.00 200.00 198.31 483.03 341.84 2.642
62 161.47 145.49 390.53 200.00 211.86 442.26 301.02 2.642
63 158.32 144.44 390.53 200.00 203.95 466.73 325.51 2.642
64 162.00 145.67 390.53 200.00 213.18 438.16 296.94 2.642
65 157.79 144.26 390.53 200.00 202.63 470.79 329.59 2.642
66 154.11 144.00 390.53 200.00 198.67 482.92 341.84 2.642
67 153.58 144.00 391.05 200.00 199.02 482.80 341.84 2.642
68 156.74 144.00 390.00 200.00 199.66 479.02 337.76 2.643