2022-09-28_REVISION - M1998105

• Permit No: M1998105
• IBM Index Class Name: Revision
• Doc Date: 9/28/2022
• Doc Name: Adequacy Review - Preliminary
• From: Lewicki & Associates
• To: DRMS
• Type & Sequence: AM1
• Email Name: RDZ
• Email Name: MAC
• Media Type: D
• Archive: No

Factor of Safety for initial failure surface approximation: 1.850
There were: 1464 successful analyses from a total of 3375 trial surfaces
1911 analyses terminated due to unacceptable geometry
Critical (minimum) Factor of Safety: 1.84
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
1 165.57 4949.73 192.00 4936.52 328.39 5242.50 335.00 1.836 <-- Critical Surface
2 165.57 4949.73 192.00 4936.52 328.87 5243.46 336.07 1.838
3 165.57 4949.73 192.00 4936.52 329.35 5244.42 337.14 1.841
4 165.57 4949.73 192.00 4936.52 329.82 5245.38 338.21 1.842
5 165.57 4949.73 192.00 4936.52 330.30 5246.34 339.29 1.844
6 165.57 4949.73 192.00 4936.52 330.78 5247.30 340.36 1.847
7 165.57 4949.73 192.00 4936.52 331.26 5248.26 341.43 1.848
8 165.57 4949.73 192.00 4936.52 331.74 5249.22 342.50 1.850
9 168.00 4948.52 192.00 4936.52 329.63 5241.95 335.00 1.906
10 168.00 4948.52 192.00 4936.52 330.11 5242.91 336.07 1.909
11 168.00 4948.52 192.00 4936.52 330.59 5243.87 337.14 1.910
12 168.00 4948.52 192.00 4936.52 331.07 5244.83 338.21 1.912
13 168.00 4948.52 192.00 4936.52 331.55 5245.78 339.29 1.914
14 168.00 4948.52 192.00 4936.52 332.02 5246.74 340.36 1.915
15 168.00 4948.52 192.00 4936.52 332.50 5247.70 341.43 1.918
16 168.00 4948.52 192.00 4936.52 332.98 5248.66 342.50 1.919
17 168.00 4948.52 192.00 4936.52 333.46 5249.62 343.57 1.920
18 168.00 4948.52 192.00 4936.52 333.94 5250.58 344.64 1.923
19 168.00 4948.52 192.00 4936.52 334.42 5251.54 345.71 1.924
20 168.00 4948.52 192.00 4936.52 334.90 5252.50 346.79 1.925
21 168.00 4948.52 192.00 4936.52 335.38 5253.46 347.86 1.928
22 168.00 4948.52 192.00 4936.52 335.86 5254.42 348.93 1.929
23 168.00 4948.52 192.00 4936.52 336.34 5255.38 350.00 1.930
24 170.43 4947.30 192.00 4936.52 330.87 5241.39 335.00 1.973
25 170.43 4947.30 192.00 4936.52 331.35 5242.35 336.07 1.974
26 170.43 4947.30 192.00 4936.52 331.83 5243.30 337.14 1.975
27 170.43 4947.30 192.00 4936.52 332.31 5244.26 338.21 1.976
28 170.43 4947.30 192.00 4936.52 332.78 5245.22 339.29 1.977
29 170.43 4947.30 192.00 4936.52 333.26 5246.18 340.36 1.978
30 170.43 4947.30 192.00 4936.52 333.74 5247.14 341.43 1.980
31 170.43 4947.30 192.00 4936.52 334.22 5248.10 342.50 1.982
32 170.43 4947.30 192.00 4936.52 334.70 5249.06 343.57 1.983
33 170.43 4947.30 192.00 4936.52 335.18 5250.02 344.64 1.984
34 170.43 4947.30 192.00 4936.52 335.66 5250.98 345.71 1.985
35 170.43 4947.30 192.00 4936.52 336.14 5251.94 346.79 1.986
36 170.43 4947.30 192.00 4936.52 336.62 5252.89 347.86 1.987
37 170.43 4947.30 192.00 4936.52 337.10 5253.85 348.93 1.988
38 170.43 4947.30 192.00 4936.52 337.58 5254.81 350.00 1.989
39 165.57 4949.73 189.82 4937.61 327.32 5243.10 335.00 1.999