2017-08-08_REVISION - M1973021

• Permit No: M1973021
• IBM Index Class Name: Revision
• Doc Date: 8/8/2017
• Doc Name: Request for Technical Revision
• From: Aggregate Industries GEI Consultants, Inc.
• To: DRMS
• Type & Sequence: TR5
• Email Name: MAC
• Email Name: WHE
• Media Type: D
• Archive: No

Table 5. SLOPEM Slope Stability Anal sis Results
i I
Bench Face Intermediate # Benches above Intermediate
Bench Height Bench Width SLOPEIW Safety
Case , Angle Bench Elevation Intermediate Bench Width
(ft) (o) (ft) (ft. NAVD88) Bench (ft) Factor of System
1 70 90 30 7000 14 100 4.51
2 70 90 30 7000 3 100 1.38
3 70 90 30 7000 14 50 4.43
4 70 90 30 7000 3 50 1.36
5 70 90 30 7000 14 40 4.27
6 70 90 30 7000 3 40 1.30
7 70 90 30 7000 14 30 4.26
8 70 90 30 7000 3 30 1.29
9 70 90 30 N/A N/A N/A N/AZ
10 70 90 30 N/A N/A N/A 3.68
11 70 90 25 7000 14 25 4.18
12 70 90 25 7000 3 25 1.38
13 70 90 25 N/A N/A N/A N/AZ
14 70 90 25 N/A N/A N/A 4.39
15 70 90 30 6650 19 100 4.58
16 70 90 30 6650 19 100 1.47
17 70 90 30 6650 19 50 4.61
18 70 90 30 6650 19 50 1.54
1 All benches above El. 7000 ft have a height of 40 ft, an angle of 90°, and a bench width of 40 ft.
2 For Cases 9 and 13, SLOPE=was unable to calculate a realistic slip surface.
3 No intermediate bench modeled.
Aggregate Industries Morrison Quarry GEI Consultants, Inc.
South Quarry Highwall Design Technical Revision 23 August 2017