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: 5.414
Analysis Summary
There were: 20001 successful analyses from a total of 20001 trial failure surfaces
Critical (minimum) Factor of Safety: 3.15
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
1 198.89 157.96 400.00 200.00 246.02 434.59 280.61 3.152 Critical Surface
Surface
2 199.95 158.32 400.00 200.00 248.45 426.41 272.45 3.162
3 194.68 157.00 400.00 200.00 237.72 463.17 309.18 3.162
4 199.42 158.14 400.00 200.00 247.24 430.51 276.53 3.163
5 198.37 157.79 400.00 200.00 243.91 442.95 288.78 3.167
6 195.21 157.00 400.00 200.00 237.82 463.23 309.18 3.168
7 193.63 157.00 400.00 200.00 236.64 467.30 313.27 3.168
8 192.05 157.00 400.00 200.00 235.47 471.36 317.35 3.169
9 196.26 157.09 400.00 200.00 239.02 459.18 305.10 3.170
10 197.32 157.44 400.53 200.00 241.89 451.01 296.94 3.170
11 196.79 157.26 400.00 200.00 240.24 455.13 301.02 3.170
12 198.89 157.96 400.00 200.00 245.12 438.88 284.69 3.171
13 197.32 157.44 400.00 200.00 241.47 451.08 296.94 3.173
14 195.74 157.00 400.00 200.00 237.92 463.29 309.18 3.173
15 194.16 157.00 400.00 200.00 236.74 467.36 313.27 3.173
16 192.58 157.00 400.00 200.00 235.56 471.42 317.35 3.174
17 197.84 157.61 400.53 200.00 243.11 446.95 292.86 3.174
18 195.21 157.00 400.53 200.00 238.25 463.17 309.18 3.175
19 191.00 157.00 400.00 200.00 234.40 475.49 321.43 3.175
20 197.84 157.61 400.00 200.00 242.69 447.02 292.86 3.175
21 199.42 158.14 400.00 200.00 246.34 434.80 280.61 3.176
22 195.74 157.00 401.05 200.00 238.77 463.17 309.18 3.176
23 196.26 157.09 400.53 200.00 239.45 459.12 305.10 3.177
24 196.79 157.26 400.53 200.00 240.67 455.07 301.02 3.177
25 194.68 157.00 400.00 200.00 236.83 467.42 313.27 3.178
26 193.11 157.00 400.00 200.00 235.66 471.48 317.35 3.178
27 198.37 157.79 400.53 200.00 244.33 442.88 288.78 3.179
28 191.53 157.00 400.00 200.00 234.49 475.54 321.43 3.179
29 199.95 158.32 400.00 200.00 247.56 430.72 276.53 3.180
30 195.74 157.00 400.53 200.00 238.35 463.23 309.18 3.180
31 194.16 157.00 400.53 200.00 237.17 467.30 313.27 3.180
32 192.58 157.00 400.53 200.00 235.99 471.36 317.35 3.181
33 191.00 157.00 400.53 200.00 234.83 475.43 321.43 3.182
34 197.32 157.44 401.05 200.00 242.31 450.95 296.94 3.182
35 195.21 157.00 400.00 200.00 236.93 467.48 313.27 3.183
36 198.89 157.96 400.53 200.00 245.54 438.81 284.69 3.183
37 200.47 158.49 400.00 200.00 248.77 426.62 272.45 3.183
38 193.63 157.00 400.00 200.00 235.76 471.54 317.35 3.183
39 192.05 157.00 400.00 200.00 234.59 475.60 321.43 3.184
40 198.37 157.79 400.00 200.00 243.01 447.22 292.86 3.185
41 196.26 157.09 400.00 200.00 238.13 463.42 309.18 3.185
42 194.68 157.00 400.53 200.00 237.26 467.36 313.27 3.185
43 193.11 157.00 400.53 200.00 236.09 471.42 317.35 3.186
44 197.84 157.61 401.05 200.00 243.53 446.89 292.86 3.186
45 191.53 157.00 400.53 200.00 234.92 475.49 321.43 3.186
46 199.42 158.14 400.53 200.00 246.76 434.73 280.61 3.186
47 196.79 157.26 400.00 200.00 239.35 459.38 305.10 3.186
48 197.32 157.44 400.53 200.00 241.00 455.27 301.02 3.187
49 195.74 157.00 400.00 200.00 237.02 467.53 313.27 3.188
50 199.95 158.32 400.53 200.00 247.97 430.64 276.53 3.188
51 194.16 157.00 400.00 200.00 235.85 471.60 317.35 3.188
52 192.58 157.00 400.00 200.00 234.69 475.66 321.43 3.189
53 198.37 157.79 401.05 200.00 244.75 442.82 288.78 3.189
54 197.32 157.44 400.00 200.00 240.57 455.33 301.02 3.189
55 198.89 157.96 400.00 200.00 244.23 443.16 288.78 3.190
56 191.00 157.00 400.00 200.00 233.53 479.72 325.51 3.190
57 195.21 157.00 400.53 200.00 237.36 467.42 313.27 3.190
58 196.26 157.09 401.05 200.00 238.99 463.31 309.18 3.190
59 193.63 157.00 400.53 200.00 236.19 471.48 317.35 3.191
60 198.89 157.96 401.05 200.00 245.96 438.74 284.69 3.191
61 192.05 157.00 400.53 200.00 235.02 475.54 321.43 3.191
62 197.84 157.61 400.53 200.00 242.22 451.22 296.94 3.191
63 201.00 158.67 400.00 200.00 249.99 422.53 268.37 3.191
64 199.42 158.14 401.05 200.00 247.18 434.66 280.61 3.192
65 197.84 157.61 400.00 200.00 241.79 451.28 296.94 3.192
66 194.68 157.00 401.05 200.00 237.69 467.30 313.27 3.192
67 196.26 157.09 400.53 200.00 238.56 463.36 309.18 3.192
68 194.68 157.00 400.00 200.00 235.95 471.65 317.35 3.193