GENERAL39834

• Permit No: M1980244
• IBM Index Class Name: General Documents
• Doc Date: 11/10/1994
• Doc Name: CRESSON PROJECT PN M-80-244 CONSTRUCTION OF ADDITIONAL SUMP DOWN GRADIENT OF INITIAL SUMP OF FIRST H
• From: CRIPPLE CREEK & VICTOR GOLD MINING CO
• To: DMG
• Media Type: D
• Archive: No

• • iii iiiiiiiiiiiii iii
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~~ Cripple Creek & Victor Gold Mining Company
A Joini Venture - Pikea Peak Mining Company, Manager
(1 Q 7 Operations Office Englewood Olflce
/t~3~LV P.O. Box 191, 2755 State Highway 67 5251 DTC Parkway, Suite 700, Englewood
Victor, Colorado 80860 Colorado 80111
(719) 6832977 • FAX [phone] [phone] • FAX [phone]
November 8, 1994
SENT BY FACSIMILE -HARD COPY FOLLOWS BY FEDERAL EXPRESS
Mr. Berhan Keffelew
Environmental Protection Specialist
Colorado Department of Natural Resources
Division of Mines and Geology
Office of Mined Land Reclamation
1313 Sherman Street, Room 215
Denver, Colorado 80203
RECEIVED
NOV 10 1994
pivision of m~nerais & Geology
Reference: Cresson Project: Permit Number M-80-244: Construction of Additional
Summa Downgradient of Initial Sump of First Phase Tce Berm.
Dear Mr. Keffelew:
The Cripple Creek & Victor Gold Mining Company is providing a layout for the pumping sump
under construction to improve transfer of water from the Valley Leach Facility underdrain back
into Arequa Gulch. This is provided in response to your request. This sump, along with the
existing sump, will serve until the second phase of the Valley Leach Facility is constructed. The
additional sump is designed to hold the pumps and reduce air entrainment and, by allowing water
to increase in depth in the existing sump, will increase retention time and thereby further
decrease sediment loads, if any loading occurs. The additional sump, because it is constructed
of concrete, will be easier to enter for retrieval of pumps.
Per your instructions, the installers were directed to roughen the concrete surface to provide a
foothold for wildlife. During operations, this pond will contain only underdrain flow from the
perforated pipe and rock underdrain, the spring flow from Arequa Gulch, and local runoff from
the immediate area of the tce berm. Upon completion of the second phase, the sumps will be
removed and the area will become part of the Valley Leach Facility.
If ditional info mation is required, please let me know,
Si c~r ly v
Jo E. Hardaw y
anager Environmental Affairs
Thank you for your assistance.
Attachment: a/s (2 pp)
FILE: CC&VSTIP.002