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2009-06-30_PERMIT FILE - M2009018 (8)
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2009-06-30_PERMIT FILE - M2009018 (8)
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Last modified
8/24/2016 3:48:20 PM
Creation date
7/2/2009 1:48:36 PM
Metadata
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Template:
DRMS Permit Index
Permit No
M2009018
IBM Index Class Name
PERMIT FILE
Doc Date
6/30/2009
Doc Name
Reply to Preliminary Adequacy Review
From
Varra Companies, Inc.
To
DRMS
Email Name
MAC
Media Type
D
Archive
No
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Varra Companies, Inc. <br />Office of Special Projects <br />8120 Ciaa`e Street Frederick, Colorado 80516 Telephone (970) 353-8310 Fax (970) 353-4047 <br />Ownership of the Seep defaults to the owner of the seep wherein the seep lies. We maintain <br />ownership and control of the seep within the permit area. A signed affidavit is included. <br />12. Please indicate how the seep ditch and the Last Chance Ditch will be protected during <br />mining operations. The Last Chance Ditch is located immediately north of the stockpile and <br />plant area, how will the Operator prevent material from being eroded into the structure? <br />The Last Chance Ditch is located outside of the permit boundary and is a water conveyance <br />structure of limited conductance that will not be affected significantly by local groundwater <br />hydrology or planned operations relative to stability as evaluated by CGRS in their groundwater <br />study, and an earlier Stability Analysis report contained in Exhibit S of the application. Exhibit <br />S provides the necessary evaluation that slope failure from planned operations will not occur. <br />The groundwater study is also included with this reply as it concerns planned ground water <br />discharge and any resulting cone of depression and correlated impacts to area waters. The study <br />indicates there will be no impacts from such activity on the Last Chance Ditch as it passes just <br />outside the Northwest corner of our permit area. <br />The concrete lined lateral from the Last Chance Ditch is the structure referenced in the Office's <br />adequacy review, and is not owned by the Last Chance Ditch Company. The concrete lined <br />lateral from the Last Chance Ditch is owned and controlled by the owner of Varra Companies, <br />Inc., Pasquale Varra, as it occurs within the confines of the designated permit boundary (refer to <br />included affidavit). <br />The lateral is offset from planned extraction approximately 25.0± to 43.0f from its center. The <br />topography along the lateral is essentially flat and all extraction will direct precipitation events <br />into the pit and away from area drainages. Additionally, the grassed border or existing road <br />running along the lateral will not be affected by extraction and will continue to function as a <br />buffer to the lateral from planned activities. <br />13. Please specify if the visual berm will be removed upon the completion of mining. <br />The berm may contain soil, or overburden and clean fill separately, and will be pushed into and <br />used along the finished grade of the reclaimed pit walls to the extent necessary to meet stated <br />minimum soil depths, as part of preparation of the completed slopes for revegetation. Any <br />remaining bermed material may be used to enhance the post mine development, but is not <br />anticipated to alter the designated post mine elevations to a significant extent. A final <br />reclamation map will be submitted to the Office at the time of release request showing the final <br />configuration and approximate contours for the finished site. <br />14. The Mning Plan states that mined materials will be conveyed to the Kurtz Project plant <br />via a conveyor connecting the Heintzelman Project (Pit 116) to the Kurtz Project plant. The <br />Varra Companies, Inc. correspondence of 30 June 2009 to the Colorado Office of Mined Land Reclamation 6 <br />(Office) in reply to Office correspondence of 12 May 2009 - Heintzelman Project - M2009-018.
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