REP12927

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 1/19/2005
• Doc Name: 4th Quarter 2004 Review Memo
• From: Byron Walker
• To: File
• Permit Index Doc Type: Waste Pile/Fill Report
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF MINERALS AND GEOLOGY
Department of Natural Resources
1373 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
COLORADO
DIVISION OF
MINERALS
GEOLOGY
RE<LAMATION•MINING
SAf ETY•SC IENCE
Interoffice MEMORANDUM Bill Owens
Governor
to: C-1982-056, Coal Refuse Pile Inspection Report Russell George
from• Byron G. Walker Exewtive Director
cc: Dan Hernandez, (e-mail) Ronald W. Cattany
Division Director
subject: Review of 4`h Quarter 2004 Inspection Report, Foidel Creek Mine, C-1982~Resoureerrustee
date: January 19, 2005
Rule 4.09.1(11)(a) The fill shall be inspected for stability by a registered engineer or other
qualified professional specialist experienced in construction of earth and rockfll embankments
under the direction of a qualified professional engineer at least quarterly throughout the
construction and during the following critical construction periods: (1)removal of all organic
material and topsoil, (2)placement of underdrainage systems, (3) installation of surface drainage
systems, (4) placement and compaction off:ll materials, and (5) revegetation.
The subject inspection was a quarterly inspection accomplished during construction, not one of
the critical construction periods. The report states that the inspection was conducted by persons
in pronoun form (we, our). However, the report was certified by a registered engineer, stating
compliance with this rule.
Rule 4.09.1(11)(b) The qualified registered engineer shall provide to the Division a certified
report within 2 weeks after each inspection that the fill has been constructed as specified in the
design approved by the Division. The report shall include a description of any appearances of
instability, structural weakness, and other hazardous conditions observed during the inspection.
A copy of the report shall be retained at the mine site.
The report adequately indicates that the fill has been constructed as specified in the design
approved by the Division. The report indicates that there was no appearance of instability,
structural weakness, or other hazardous conditions. Twentymile Coal Company was advised by
telephone and an a-mail that the Division considered two weeks to mean 14 days.
Rule 4.09.1(11)(c) See the rules for the text of this rule. This rule applies to photographs of
underdrains, No underdrains were constructed during the report period.
Rule 4.10.1(1) All coal mine waste shall be transported and placed in new and existing disposal
areas approved by the Division for this purpose. These areas shall be within a permit area. The
disposal area shall be designed, constructed, inspected and maintained:
1
Office of Office of Coforado
Mined Land Reclamation Active and Inactive Mines Geological Survey