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2019-11-12_REVISION - M2004044 (21)
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2019-11-12_REVISION - M2004044 (21)
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Last modified
12/27/2024 2:02:34 PM
Creation date
11/12/2019 1:02:21 PM
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Template:
DRMS Permit Index
Permit No
M2004044
IBM Index Class Name
REVISION
Doc Date
11/12/2019
Doc Name
Adequacy Review Response #3
From
Aggregate Industries
To
DRMS
Type & Sequence
AM1
Email Name
JLE
ERR
Media Type
D
Archive
No
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TUCSON SOUTH PROPOSED GRAVEL MINE STABILITY ANALYSIS <br /> SLOPE STABILITY ANALYSIS - BRIGHTON RETURN DITCH <br /> TETRA TECH <br /> (Pcfl <br /> Claystone Bedrock Mohr-Coulomb 134 100 28 <br /> (peak strength) <br /> Mud Lens Mohr-Coulomb 126 50 28 <br /> ® Overburden Mohr-Coulomb 126 50 28 <br /> Sand and Gravel Mohr-Coulomb 137 0 35 <br /> Utility Easement Weathered Claystone Mohr-Coulomb 134 0 14 <br /> Bedrock (residual <br /> strength) <br /> Brighton Return Ditch <br /> 1 1.32 <br /> 4,975 51 ft 1111. <br /> 4,965 <br /> 4,955 .` <br /> 4,945 <br /> 1,935 <br /> 4,925 <br /> 4,915 <br /> = 4,905 <br /> 4,895 <br /> 4,885 <br /> 4,875 <br /> 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 <br /> Distance (ft) <br /> Figure J-2 - Pseudostatic Analysis with Mine Slope- Lowered Phreatic Surface <br /> Horizontal Acceleration Coefficient: 0.067g <br />
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