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2001-05-22_REVISION - M2000158
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2001-05-22_REVISION - M2000158
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Entry Properties
Last modified
6/16/2021 5:56:48 PM
Creation date
11/21/2007 12:19:40 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M2000158
IBM Index Class Name
Revision
Doc Date
5/22/2001
Doc Name
PLATTE SAND & GRAVEL LLC-S&H MINE PN M-2000-158 CONTINUANCE OF HEARING DATE
From
ENVIRONMENT INC
To
DMG
Type & Sequence
TR1
Media Type
D
Archive
No
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<br />ENVIAONMEN 7, ING. <br />MAY 22, 20O 7 <br /> <br />PAGE 6 <br />ing the bond. No bond change will be necessary for river bank armor- <br />ing since it will be completed before mining is within 400 feet of the <br />section needing armoring. Under the plan presented above, calculating <br />a bond to increase to build armor on lake banks will not be necessary <br />for at least 5 years and costs will have changed over that time. I <br />have repeated the Division's rational for bonding, but choose to leave <br />material and delivery costs out of the formula so they can be included <br />when the time comes to recalculate the bond to cover bank armoring. <br />Base line data for bond calculation: <br />Cost of Rip Rap = C„ <br />Cost of bedding = C, <br />Placement cost of Rip rap = P„ <br />Haul cost Rip rap = H, = Haul distance x per ton cost <br />Haul cost bedding = Hb = Haul distance x per ton cost <br />Rip rep volume per linear foot 11.4 tons <br />Bedding volume per linear foot 2.9 tons <br />Riprap Haul distance = 60 miles (one way) <br />Bedding Haul distance = 10 miles <br />Formula: (C,~ x 11.4T)+(H~ x 11.4T)+(p~ x 11.4T)+(C, x 2.9T)+(H, x 2.9T) <br />If, as mining progresses, the locations and amount of riprap <br />needed in a particular area differs from the commitment PS&G is making <br />in this response they will submit a revision to the Division for <br />review and approval. <br />Thanks for your help and if you have any questions call me at <br />303-423-7297. <br />Respectfully Submitted, <br />Environment, Inc. <br />~~ ~ <br />Stevan L. O'Hrian <br />President <br />enclosures <br />cc Platte Sand & Gravel LLC. <br />Weld County Clerk <br />file <br />
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