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PERMFILE51652
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PERMFILE51652
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Entry Properties
Last modified
8/24/2016 10:55:41 PM
Creation date
11/20/2007 3:00:28 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2004031
IBM Index Class Name
Permit File
Doc Date
5/3/2004
Doc Name
Application (2nd Half)
From
Aggregate Industries - WCR Inc.
To
DMG
Media Type
D
Archive
No
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Case 5 -The resulting safety factor of 1.32 is above the State Engineers minimum <br />requirement of 1.25 for an embankment during constmction. The proposed setback of 45 <br />feet from the property line and 50 feet from the edge of the Bull Seep is satisfactory. <br />Case 6 -The resulting safety factor of 2.11 is above the State Engineers minimum <br />requirement of 1.25 for an embankment during constmction. The proposed setback of 45 <br />feet from the property line and 50 feet from the edge of the Bull Seep is satisfactory. <br />The following recommendations for monitoring of slope stability should be followed: <br />A visual inspection of the excavated highwalls should be done on a weekly basis <br />for the first 6 months of mining. This inspection should consist of walking the <br />existing ground and looking for any signs of stress cracks or other potential signs <br />of slope failure. Some minor duffing of highwalls is expected on any mine site. <br />The intent of this inspection is to locate potential major slope failures that could <br />potentially extend back into a structure. <br />2. A visual inspection should be done anytime after a major precipitation event that <br />has saturated the ground using the same procedures. A major precipitation event <br />would be defined as a storm that produces an intensity level reached once in 50 <br />yeazs on the average. <br />3. If a visual inspection detects signs of a potential slope failure, qualified personnel <br />should be contacted to evaluate and recommend remediation work to stabilize the <br />area. <br />4. If no visible signs of slope failure aze detected within the first 6 months, then the <br />inspection period could be reduced to once per month or after every major <br />precipitation event. <br />
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