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Item A: Public Hearing onMetro Plan Amendment (Delta Sand and Gravel)
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CC Agenda - 12/12/06 Joint Public Hearing
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Item A: Public Hearing onMetro Plan Amendment (Delta Sand and Gravel)
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6/9/2010 12:58:15 PM
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12/7/2006 11:34:08 AM
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City Council
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Agenda Item Summary
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12/12/2006
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<br />Gravel Pit Makes Liabilities Into Assets <br /> <br />Page 3 of3 <br /> <br />storage for the city of Denver and surrounding communities. By creating water storage capacity that can <br />be filled during spring runoffwhen there is excess river water, municipal water needs can be met during <br />the summer and fall dry seasons. <br /> <br />Throughout the last few years, slurry walls have been placed around many former gravel pits and <br />converted to water storage facilities. By doing so, these former gravel pits ceased to be liabilities and an: <br />now assets. Currently, a gravel pit lake water storage capacity, without attached water rights, is selling <br />for $4,000 per acre-foot. <br /> <br />In response to this new market for water storage capacity, many mine operators are now permitting new <br />gravel pits to include slurry walls that are constructed prior to the commencement of gravel mining. By <br />constructing the slurry wall before mining operations begin, mining can be conducted in the dry, <br />reducing water pumping costs and eliminating the need to account for the loss of groundwater through <br />evaporation. <br /> <br />Steven Schurman, P.G., has been a professional geologist for more than 30 years. He has <br />worked in the mining and petroleum business for many years and is currently working <br />for Envirocon as the Eastern U.S. business development manager. Envirocon is a national <br />environmental remediation firm that also specializes in the construction of slurry walls. <br /> <br />Reprinted from Aggregates Manager Magazine <br />June 2006 <br /> <br />Aggregates Manager is a publication of James Informational Media__ Inc. Copyright @ 2006 <br />also publishers of Better Roads Magazine <br /> <br />file://X:\0290 f)~lt~ ~~nri /& nr~:"TI:.l\(t1._()(),,)() D;t lJ'V'~"'~'H.~rH....\U'n,1~H.l;.... n_.__~ ___, ",___ <br /> <br />1 ~.. ... .. <br />
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