2023-10-31_REVISION - M1973021 ‎(16)‎

• Permit No: M1973021
• IBM Index Class Name: Revision
• Doc Date: 10/31/2023
• Doc Name Note: Attachment A - Rule 6.5 Geotech Stability Exhibit - App C-Calculations
• Doc Name: Request for Technical Revision
• From: Holcim - WCR, Inc.
• To: DRMS
• Type & Sequence: TR9
• Media Type: D
• Archive: No

XS-North-800_StabiIity Wednesday, March 8, 2023
Material Existing Proposed Left Proposed Right
Economic ❑
Material
Talc-Gneiss
Global Minimums
Existing
Method: bishop simplified
FS 2.246550
Center: 3082733.127, 8116.851
Radius: 1435.690
Left Slip Surface Endpoint: 3081465.239, 7443.302
Right Slip Surface Endpoint: 3082581.333, 6689.207
Resisting Moment: 5.74254e+10 lb-ft
Driving Moment: 2.55616e+10 lb-ft
Total Slice Area: 209648 ft2
Surface Horizontal Width: 1116.09 ft
Surface Average Height: 187.841 ft
Method:janbu simplified
FS 2.061300
Center: 3082562.216, 7675.300
Radius: 1120.729
Left Slip Surface Endpoint: 3081465.649, 7443.841
Right Slip Surface Endpoint: 3082894.918, 6605.093
Resisting Horizontal Force: 5.59774e+07 lb
Driving Horizontal Force: 2.71563e+07 lb
Total Slice Area: 406731 ft2
Surface Horizontal Width: 1429.27 ft
Surface Average Height: 284.573 ft
Method: spencer
FS 2.243110
Center: 3082728.568, 8114.775
Radius: 1433.151
Left Slip Surface Endpoint: 3081463.598, 7441.148
Right Slip Surface Endpoint: 3082581.334, 6689.207
Resisting Moment: 5.7729e+10 lb-ft
Driving Moment: 2.57362e+10 lb-ft
Resisting Horizontal Force: 3.36263e+07 lb
Driving Horizontal Force: 1.49909e+07 lb
Total Slice Area: 211839 ft2
Surface Horizontal Width: 1117.74 ft
Surface Average Height: 189.525 ft
Method: g le/morgenstern-price
7/12