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2009-05-20_REVISION - M2001107 (3)
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2009-05-20_REVISION - M2001107 (3)
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Last modified
6/16/2021 6:18:58 PM
Creation date
5/27/2009 3:16:57 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2001107
IBM Index Class Name
Revision
Doc Date
5/20/2009
Doc Name
Submittal
From
NCC
To
DRMS
Type & Sequence
TR4
Email Name
MAC
Media Type
D
Archive
No
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i <br /> <br />r <br />AM IAW?I? <br />RWKMWU? <br />NORTHERN (OIORADO (ONSTRU(TORS, INC. <br />9075 WCR 10 * Fort Lupton, CO 80621 <br />303-857-1754 <br />FAX: 303-857-2933 <br />May 14, 2009 <br />Mr. Michael Cunningham <br />Environmental Protection Specialist <br />State of Colorado <br />Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />1313 Sherman, room 215 <br />Denver, Colorado 80203 <br />RECEIVED <br />MAY 2 0 2009 <br />Division of Reclamation` <br />Mining and Safety <br />RE: NCCI Pit # 1; DRMS File No. M-2001-107; Request for Technical Revision - Relocation <br />Of Sediment Ponds <br />Dr. Mr. Cunningham: <br />This letter is to request a technical revision to the current mining plan for NCCI Pit # 1, DRMS <br />File No. M-2001-107. We are requesting the abandonment of our current sediment pond that is <br />located in part of phase 1 and part in phase 12. We propose to construct three (3) 35 feet wide X <br />400 feet long sediment ponds that will be inter connected by a buried steel pipe and located in <br />phase 7. <br />The flow of the process water will flow out of the No. 3 sediment pond and flow by open ditch to <br />discharge point 002A into Little Dry Creek. This point of discharge point is as per approval of <br />the Colorado Department of Public Health and Environment permit No. COG-500000, Facility <br />Number COG-500438. The sediment pond that is being abandoned is flowing to the same <br />discharge point as the proposed new relocated sediment ponds. <br />As per our current substitute water supply plan as approved by the State Engineers Office there is <br />allocated 2.73 acres of water surface exposed. By abandoning the sediment pond in our current <br />mining plan and relocating the sediment ponds to phase 7 we will not exceed 2.73 acres of <br />exposed water surface. <br />We do not anticipate changing the sequence of our present mining plan, which includes phase 1 <br />thru phase 13. Currently we are mining in phase No. 1, No. 2, No. 3, No. 4 and No. 5. We <br />propose to relocate the sediment ponds to phase No. 7. We are planning in the near future to <br />begin mining in phase No. 6 also. <br />A phased and cumulative bonding approach was approved in Technical Revision No. 3. They <br />are as follows for the first seven phases. <br />1. Phase 1 - $312,044.00 <br />2. Phase 2 - $101,812.00
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