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2019-11-07_REVISION - M1973007SG
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2019-11-07_REVISION - M1973007SG
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Entry Properties
Last modified
12/27/2024 2:20:22 PM
Creation date
11/18/2019 3:42:19 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1973007SG
IBM Index Class Name
Revision
Doc Date
11/7/2019
Doc Name
Request for Technical Revision
From
Aggregate Industries-WCR, Inc.
To
DRMS
Type & Sequence
TR9
Email Name
TC1
MAC
AWA
Media Type
D
Archive
No
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Daniels Sand Pit 2,Permit M-1973-007-SG; <br /> Response to"Approval Succession of Operators,Revision SO-2,with Stipulations" <br /> Page 9 <br /> Cross Section Factor of Safety <br /> D-1 1.228 <br /> D-2 2.027 <br /> D-3 2.339 <br /> D-4 1.068 <br /> Shallow surface failures/sloughs are common in cut slopes. An unacceptable factor of safety <br /> implies that the current conditions may be mostly stable,but that mitigative measures would be <br /> required to ensure long term stability of the slope. In order to increase stability at the site to a <br /> stable long-term factor of safety, mitigation to the slopes is recommended. It is Brierley <br /> understanding that slopes must be flatten to 3:1 as part of the restoration requirements. Bench <br /> slopes will also reduce the driving force thus increasing stability. Another earthwork mitigation <br /> technique would be buttress the slope toe by filling with onsite material. <br /> BRIERLEY <br /> ASSOCIATES <br /> Creating Space Underground <br />
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