REP04872

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/6/2001
• Doc Name: COLOWYO COAL CO C-81-019 WEST PIT FILL INSPECTION REPORT & CERTIFICATION 4TH QTR
• From: DMG
• To: COLOWYO COAL CO
• Permit Index Doc Type: Waste Pile/Fill Report
• Media Type: D
• Archive: No

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DIVISION OF MINERALS AND GEOLOGY
Department of Natural Kesuurces
1313 Sherman 51., Room 215
Denver, ColoraJo 80203
Phone: [phone]
FAX: (303) 83?-8106
interoffice
MEMORANDUM
STATE OF COLORADO
DIVISION OF
MINERALS
GEOLOGY
RECLAMATION
MINING•SAFETY
to: File C-81-019 Colowyo Coal Mine,
2000
from: Byron G. Walker ~.~
subject: Review for Compliance
date: March 6, 2001
Rule 4.09.1(11) Inspection
Bill Owens
West Pit Fill Inspection Report, 4'h Quai'Yec°°`
Greq E. Watcher
Execwwe Director
Michael B. Lang
Division Director
Rule 4.09.1(1 1)(a) The fill shall be inspected for stability by a registered engineer or other
qualified professional specialist experienced in construction of earth and rockfill embankments
rutder the direction of a qualified professional engineer rat least yuarterlyl throughout the
construction ar:d during the following critical construction periods'": (/)removal of all organic
material and topsoil, (2)placement of underdrainage systems, (3) installation of surface drainage
systems, (4) placement and compaction of fill materials, and (5) revegetation.
The petmittee is in compliance with this rule. I This is a quarterly report. A registered engineer
accomplished both the inspection and certification. 'None of the critical construction periods
were encountered during the time period of the report.
Rule 4.09.10 l)(b) T/:e qua/ified registered engineer shat/ provide to the Division a certified
report within 2 weeks rafter each inspection I that dre fill has been constructed ns specified in the
design approved by the Division. 'The report shall include n description of arty appearances of
instability, structural weakness, aad other hazardous conditions observed during the inspectiat.
A copy of t)re report shall be retained rat t)re mine site.
This report was apparently lost in the mail. Upon request, a copy of the report was submitted to
the Division and received on March 2, 2001. 'The report is not in compliance with this portion
of this rule. The 4'h quarter inspection was reported as accomplished on December 28, 2000, and
was certified on January 23, 2001. Thus the report was certified over 3 weeks after the date of
inspection. The requirement of this rule is brought to the attention of the permit[ee (as stated
above, none of the critical activities were engaged during the reporting period). 2 The report
addressed the required topics.
Rule 4.14.3(1)(a) A person who conducts surface coral mining operations shall insure that al/
debris, acid fonning materials, taric materials or materials constituting a fire )razard are treated
or brtried acrd compacted or otherwise disposed of in a mmrner approved by the Division and are