My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
REV92904
DRMS
>
Back File Migration
>
Revision
>
REV92904
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/25/2016 3:14:16 AM
Creation date
11/21/2007 11:25:39 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981019
IBM Index Class Name
Revision
Doc Date
9/29/1997
Doc Name
TECHNICAL ADEQUACY TR-43 C-81-019
From
DMG
To
COLOWYO COAL CO
Type & Sequence
TR43
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.
/
6
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
III IIIIIIIIIIIIIIII <br />STATE OF CC~~yiv-~~~ <br />DIVISION OF MINERALS AND GEOLOGY <br />Depanmenl of Natural Rewurces <br />131 }Sherman 54.. Ruum 215 ~I~ <br />Denrcr. Colorado 80!07 <br />Vhone: 13031 86fi-3561 <br />FAX: 1.4051 8 ]! ~81 I I6 <br />DEPARTMEfYT OF <br />NATURAL <br />29 September 1997 RESOURCES <br />James A. Kiger ~°,~e,`„~, ` <br />Sr. Environmental Engineer lames 5. L~xhhesl <br />Colowyo Coal Company e,e""'"e o"e,."" <br />5731 State hi hwa 13 <br />g Y w~naei o. ~~rn~ <br />Division Director <br />Meeker, Colorado 81641 <br />Re: Technical Adequacy, TR-43, C-81-019 <br />Deaz Mr. Kiger: <br />Technical adequacy concerns of the TR-43 submission aze addressed in this letter. The people <br />who worked on the submittal are commended for awell-organized, complete, and easy to review <br />cost estimate. <br />With reference to: <br />A. the cover letter <br />1. Page 2, regazding Section 9, the removal of costs anticipated for the work that was not <br />pursued will be addressed as a bond reduction. <br />2. Page 2, regarding Section 15, only minor re-contouring is illustrated on Map 35 (4/14/97) and <br />Map 36 (6/26/97) for the spill section in the vicinity of the north end wall (1000-foot squaze <br />north east of coordinates E 1350000 N337000). Reductions in the cost of reclamation activities <br />will be addressed as a bond reduction. <br />3. Page 2, regarding Section 16, the reduction in volume of overburden to be regraded in <br />conjunction with the change from a planned 2-pit operation to a I-pit operation will be addressed <br />as a bond reduction. <br />4. Page 2, regarding TR-31, any work required is incorporated into the submitted reclamation <br />estimate for the East Pit. <br />5. Page 2, regarding East and West Pit Drainage Cuts, some end wall excavation and re- <br />contouring is still required at the East Pit. The spill elevation from the reclaimed East Pit is <br />illustrated as between 7300 and 7325 on Map 36, 6/25/97. The worst case scenario spill <br />elevation is illustrated as between 7350 and 7375 on Map 35, 4/14/97 (see 1000-foot square to <br />
The URL can be used to link to this page
Your browser does not support the video tag.