REP50348

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 1/29/2002
• Doc Name: 2000 Coal Waste Pile Inspection Report ‎(Memo)‎
• From: Byron Walker
• To: Dan Hernandez
• Permit Index Doc Type: Waste Pile/Fill Report
• Media Type: D
• Archive: No

STATE OF COLORf~DO
DIVISION OF MINERALS AND GEOLOGY
Department of Natural Resources
1313 Sherman St., Room 215

Denver, Colorado 80203 DIVISION O F
Phone: [phone] lVt 1 N E RA L $
FAA; [phone] &
GEOLOGY

Interoffice MEMORANDUM RECLAMATION
MINING~SA FE7Y
Bill Owens
to: Dan Hernandez ~~ Governor
from: Byron G. W alkec/T%
~ Greg E. walcner
~~
subject: Coal Waste Pile Inspection Reports (2000) C-82-056 Executive Dirxtor
Mi~n~el B. Enng
date: January 29, 2002 Division Direcbr
Dan, I was assigned the task to review the subject Coal Waste Pile Inspection Reports in a file. The
file contained reports for the lst, 3`d, and 4t" Quarter 2000. All the reports consist of Northwest
Colorado Consultants, Inc. letter reports. This is my review. The file of reports you gave me is
returned herewith.
Rule 4.10.2 Site Inspection
Rule 4.10.2(1) All coal mine waste banks shall be inspected, on behalf of the person conducting
surface coal mining operations by a qualified registered engineer, or other qualified professional
specialist under the direction of the professional engineer, experienced in construction of similar
earth and waste structures, approved by the Division.
All of the reports carry the seal and signature of a Colorado registered professional engineer (Brian
D. Lsn).
Rule 4.10.2(2) Inspection of coal mine waste banks shall be performed in accordance with rule
4.09.1(11), and the following additional requirements:
Rule 4.09.1(11) Inspection
Rule 4.09.1(ll)(a) The fill shall be inspected for stability by a registered engineer or other qualified
professional specialist experienced in construction of earth and roclcfill 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 of fill materials, and (5) revegetation.
lst Quarter 2000
The report indicates that the fill was inspected (does not say by who but states "we") on January 4,
2000. The report states that there had been no work under the above activities since last fall. The
contractor had been stockpiling the waste coal materials in the central portion of Area 1 of [he waste