HYDRO28540

• Permit No: C1981028
• IBM Index Class Name: Hydrology
• Doc Date: 1/14/2002
• Doc Name: 4TH QUARTER AND ANNUAL 2001 REVIEW MEMO
• From: DMG
• To: FILE C-81-028 KEENESBURG POND INSPECTIONS
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

III IIIIIIIIIIIIIIII
999
STATE OF COLORADO
DIVISION OF MINERALS AND GEOLOGY
Department of NaWral Resources
1313 Sherman SL, Room 215
Denver, ColoraAo 80203
Phone. [phone]
FAX: [phone]
Interoffice MEMORANDUM
to: File C-81-028, Keenesburg, Pond Inspections
DIVISION OF
MINERALS
GEOLOGY
0.EC LAM ATION
MINING•SAFETY
Bill Owens
Governor
from: Byron G. Walker ~/ creFrwalcnei
Eaeculnr DvcUnr
subject: Review of Sedimentation Pond Inspection Report, 4'h Quarter and Annual, 20(~,~hael B. Lung
date: January 14, 2002 Divivon Direrloi
This review is conducted to determine compliance with Rules 4.05.9(14)(15) and (17)
Reports are to be submitted quarterly and annually. The subject reports (combined) were
submitted on January 4, 2002 and received at the Division on January 7, 2002. That the report
was a combined report was confirmed with the operator by telephone on January 14, 2002.
Rule 4.05.904) All hnpoundments shall be inspected by a yua/ified registered profes.rionu/engineer
or other qualified professionnl specinlist under the direction of n professional engineer. The
professionnl engineer or specinlist shell be e.xperierrced in the construction of impounds+ents.
The inspection was performed by an authorized (qualified) professional specialist under the direction
of a professional engineer (John A. Schallenkamp, see cover letter of January 4, 2002).
Rule 4.05.9(14)(x) Such inspections steal/ be nrnde regu[nrly during construction, upon completion
of corrsh'uction, and at least yearly until removed of the strrrcnre or release of t/re performance
bond.
With regard to this rule, this is a yearly report.
Rule 4.05.9(14)(b) The qualified registered professional engineer shall, pronrpthr offer each
inspection required by 4.05.9(/4), provide to the Division, n certified report tint the impoundment
has been constructed nrzdlor nrnintnined «s designed, curd hr accordance with the approved plan and
the applicable regulations.
No certification was found in the report that the impoundment had been maintained as designed in
accordance with the approved plan and applicable regulations. By adequacy letter of January 14,
2002, [he operator was asked [o amend the report accordingly.
Rule 4.05.9(/5) Certified inspection reports reyreired by 4.05.9(14) fur ell inrpourrdments shell
inchzde discussion of.'