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-East-0_Stability Wednesday, March 8, 2023
Material Existing Left Existing Right Proposed Left Proposed Right
Economic ❑
Material
Talc-Gneiss
Global Minimums
Existing Left
Method: bishop simplified
FS 1.688840
Center: 1652776.063, 6758.075
Radius: 72.999
Left Slip Surface Endpoint: 1652703.518, 6749.946
Right Slip Surface Endpoint: 1652724.768, 6706.135
Resisting Moment: 4.74908e+06 lb-ft
Driving Moment: 2.81204e+06 lb-ft
Total Slice Area: 272.484 ft2
Surface Horizontal Width: 21.2503 ft
Surface Average Height: 12.8226 ft
Method:janbu simplified
FS 1.720100
Center: 1652776.063, 6758.075
Radius: 72.999
Left Slip Surface Endpoint: 1652703.518, 6749.946
Right Slip Surface Endpoint: 1652724.768, 6706.135
Resisting Horizontal Force: 31894.8 lb
Driving Horizontal Force: 18542.4 lb
Total Slice Area: 272.484 ft2
Surface Horizontal Width: 21.2503 ft
Surface Average Height: 12.8226 ft
Method: spencer
FS 1.877670
Center: 1652772.267, 6744.951
Radius: 61.091
Left Slip Surface Endpoint: 1652711.176, 6744.951
Right Slip Surface Endpoint: 1652724.556, 6706.798
Resisting Moment: 1.95921e+06 lb-ft
Driving Moment: 1.04343e+06 lb-ft
Resisting Horizontal Force: 12331.9 lb
Driving Horizontal Force: 6567.64 lb
Total Slice Area: 114.076 ft2
Surface Horizontal Width: 13.3793 ft
Surface Average Height: 8.52634 ft
Method: g le/morgenstern-price
7/14