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2012-01-10_GENERAL DOCUMENTS - M1986015
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2012-01-10_GENERAL DOCUMENTS - M1986015
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Last modified
8/24/2016 4:47:20 PM
Creation date
1/19/2012 10:02:28 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1986015
IBM Index Class Name
GENERAL DOCUMENTS
Doc Date
1/10/2012
Doc Name
AM-04 Pumping Cost- email
From
Gary Tuttle
To
DRMS
Permit Index Doc Type
General Correspondence
Email Name
TC1
Media Type
D
Archive
No
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To: Gary Tuttle <br />Subject: M- 1986 -015 Pueblo East Pit, AM -04 Pumping Cost <br />Gary, <br />Happy New Year! <br />I've started reviewing the reclamation costs for AM -04 (now that I've been trained on CIRCES). While looking at the <br />pumping task to transfer silt /fines from the wash ponds to the Phase 7 area, I noticed what appears to be a discrepancy, <br />or my lack of understanding of the task. I've attached the CIRCES work sheet if it helps. If I understand Table L -3 <br />correctly, 76,849 CY of solids are to be pumped (18,100 CY in Item 4, 16,749 CY in Item 5 or 6 & 42,000 CY in Item 7). If I <br />assume 20% solids in the pumped slurry, the pumped volume is 5 times the solids volume or 384,245 CY (water + solids), <br />which requires 307,396 CY (OR 190 AC -FT) of water. If I'm not missing something in your cost estimate, I have 2 <br />questions: <br />Thanks. <br />1) Where are you getting the 190 AC -FT of water & how will it be delivered to the pond(s)? <br />2) It doesn't appear that the cost reflects the entire solids + water pumping volume. Can you clarify that? <br />Tim Cazier, P.E. <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />ph: 303 - 866 -3567 x8169 <br />fax: 303-832-8106 <br />tim.cazier <br />2 <br />
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