HYDRO22463

• Permit No: C1982056
• IBM Index Class Name: Hydrology
• Doc Date: 4/8/2005
• Doc Name: 1st Qtr 2005 Review Memo
• From: BGW
• To: File
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

STATE OF COLORADO
DIVISION OF MINERALS AND GEOLOGY
Department of Natural Resources
1313 Sherman St., Room 215
Denver, Colorado 80203
Phone: [phone]
FAX: [phone]
COLORADO
DIVISION O F
MIN SRALS
GEOLOGY
REC LAMATION•MIN ING
EAFETT•SCIENCE
Interoffice MEMORANDUM BillOwens
Governor
to: C-1982-056, Coal Refuse Pile Inspection Report Russell George
Ezecutive Direttor
from: Byron G. Walker
Ronald W. Cattany
ee: Dan Hernandez, (e-mail) Division Director
subject: Review of 1st Quarter 2005 Inspection Report, Foidel Creek Mine, C-198'~at0`~~esource7rustee
date: Apri18, 2005
Table of Contents
Table of Contents ........................................................................ ................................................... l
Rule 4.09.1(1 l)(a) ....................................................................... ...................................................1
Rule 4.09.1(11)(c) ....................................................................... ...................................................2
Rule 4.10.1(1) ............................................................................. ...................................................2
Rule 4.10.1(1)(b) ......................................................................... ...................................................2
Rule 4.10.2(1) ............................................................................. ...................................................2
Rule 4.10.2(2)(a) ......................................................................... ...................................................2
Rule 4.10.2(2)(b) ......................................................................... ...................................................2
Rule 4.10.2(2)(c) ......................................................................... ...................................................3
Rule 4.10.2(2)(d) ......................................................................... ...................................................3
Rule 4.10.2(3) ............................................................................. ...................................................3
CDMG Policy Memorandum, 7/13/84 ........................................ ...................................................3
Rule 4.09.1(1 I)(a) The fill shall be inspected for stability by a registered engineer or other
qualified professional specialist experienced in construction of earth and rockf:ll 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 ofsurface drainage
systems, (4) placement and compaction offill materials, and (5) revegetation.
The subject inspection was a quarterly inspection accomplished throughout construction, not one
of the critical construction periods. The report does states that the inspection was conducted, and
a registered engineer certified the report
Rule 4.09.1(11)(6) The gualified 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
Office of Office of Colorado
Mined Land Reclamation AQive and Inactive Mines Geological Survey