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2017-03-16_REVISION - M1977141
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2017-03-16_REVISION - M1977141
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Entry Properties
Last modified
6/16/2021 6:08:14 PM
Creation date
4/4/2017 11:01:40 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977141
IBM Index Class Name
Revision
Doc Date
3/16/2017
Doc Name
Adequacy Response No. 3
From
Aggregate Industries - WCR, Inc.
To
DRMS
Type & Sequence
TR2
Email Name
MAC
WHE
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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F)� <br /> acre. The reclamation cost estimate only accounts for applying fertilizer at a <br /> rate of 300 lbs. per acre. Please revise the reclamation cost estimate <br /> accordingly. <br /> Response: <br /> The reclamation cost estimate is changed to show a total fertilizer <br /> application rate of 350 lbs. per acre. <br /> 6.5 Geotechnical Stability Exhibit <br /> 7. The Division's Engineering Staff has prepared additional comments <br /> regarding the slope stability analysis. Please address the comments included in <br /> the attached Comments on Slope Stability Analysis Memorandum. <br /> General comments on Slope Stability Analysis <br /> 1. On the whole, the 2008 Kleinfelder report adequately addresses the <br /> slope stability and rockfall conditions currently present at the quarry. <br /> o Recommendations made in this report should be followed. <br /> Response: <br /> Understood. The geotechnical report recommendations are followed in <br /> the reclamation plan. <br /> 2. Areas of 1.5(H):1(V) final grading will be covered with a 2-foot talus <br /> riprap. This will include about 4.8 acres located primarily at the top <br /> portions of the quarry wall. <br /> o How will the riprap be stabilized to prevent it from falling/rolling <br /> and adding to the rockfall hazard? <br /> o Has the riprap been evaluated for rockfall potential? <br /> o Are the rockfall catchment berms adequately sized to contain <br /> any potential riprap that may fall/roll? <br /> .5 <br /> hdrinc.com <br /> 1670 Broadway, Suite 3400, Denver,CO 80202-4824 <br /> (303)764-1520 <br />
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