My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
2011-09-30_REVISION - M1977342 (7)
DRMS
>
Day Forward
>
Revision
>
Minerals
>
M1977342
>
2011-09-30_REVISION - M1977342 (7)
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
6/16/2021 6:29:18 PM
Creation date
9/30/2011 2:52:25 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977342
IBM Index Class Name
REVISION
Doc Date
9/30/2011
Doc Name
TR Approval
From
DRMS
To
Climax Molybdenum Company
Type & Sequence
TR9
Email Name
PSH
TAK
Media Type
D
Archive
No
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
32
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
CLIMAX MOLYBDENUM COMPANY <br />MOLYBDENUM., Gf v"vwn Dcop. C q'K m <br />.August 14. 2000 <br />Via Hand Delivery <br />vlr. Allen Sorenson <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />1313 Sherman Street. Room 215 <br />Denver. Colorado 80203 <br />RE: 2 -Dam Decent Grouting and 3 -Dam Seepwater Management. Henderson Mill. <br />Technical Revision TR -09. Permit No. M -77 -342 <br />Dear Mr. Sorenson: <br />Henderson Overall ions <br />PO i or 58 <br />mire roioreoo E.C43B <br />1303) 569 3221 <br />max 13031 569 2830 <br />This letter and other submittals are being provided to the Division of Minerals and <br />Geology (Division) per the requirements of the April 27. 2000 conditional approval <br />granted by the Division for the above mentioned technical revision. Please tied enclosed <br />a construction summary ot'the 3-Darn decant grouting project from Denver Grouting. as <br />well as a materials testing report from Inter - Mountain Engineering regarding the actual <br />grout used. Also included is a letter report from Mr. Chris Hatton of L addressing the <br />Division's concerns regarding possible 3 -Dam stability <br />- issues from the decant line <br />penetration. These three items fulfill Stipulations No. 3 and 4 from the Division's <br />conditional approval letter. However. it should be noted that some of the compressive <br />strength test results on the grout did not meet our specification. We are currently <br />addressing this concern with Denver Grouting but were unable to resolve it before this <br />submittal was due to the Division. Henderson will respond to the Division with more <br />information regarding this matter by September 30. <br />Please feel free to call if you have any questions or are in need of any further information. <br />can be reached at (303) :69 -3221 ext. 2214. <br />Very truly yours. <br />1 I. <br />Erich Bower <br />Environmental Engineer <br />Enclosures <br />Cc: Ante Beierle — Climax <br />Mike Le) — Climax <br />Rich Wagner - Climax <br />
The URL can be used to link to this page
Your browser does not support the video tag.