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September 17, 2019 <br /> Tim Cazier, Environmental Protection Specialist <br /> Colorado Division of Reclamation Mining and Safety AGGREGATE <br /> 1313 Sherman Street, Room 215 INDUSTRIES <br /> Denver, CO 80203 <br /> RE: M-1973-007-SG Technical Revision Request <br /> Dear Mr. Cazier: <br /> Attached please find the Technical Revision request form and fee ($216.00) so that Aggregate Industries- <br /> WCR, Inc.,can provide a Grant of Utility Easement to the Security Water District for the construction of a <br /> pipeline within the boundaries of Permit Number M1973007SG. <br /> According to Bill Wemmert, Senior Project Manager with AECOM,AECOM is under contract with the US <br /> Army Corps of Engineers,for the US Air Force,to design a drinking water mitigation system for the <br /> Security Water District(SWD). Due to contamination of the groundwater,all of the SWD water supply <br /> wells are shut down and the SWD is using alternative temporary supplies to meet customer water <br /> demand. AECOM is designing a drinking water mitigation system to collect the wells' water and convey <br /> it to a new facility to treat the water. Part of this well collection pipeline alignment is proposed along the <br /> southern limit of the gravel pit. The new drinking water mitigation system needs to be completed and <br /> operational prior to the temporary water supply system being turned off in December 2020. <br /> If you have questions, please feel free to contact me or Andre Laroche, Environment and Land Manager <br /> at andre.laroche@aggregate-us.com/719-491-0288. <br /> Best regards, <br /> J el Bolduc <br /> &4\-- <br /> Regional Land and Environment Manager <br /> Aggregate Industries <br /> West Central Region,Inc. <br /> 1687 Cole Boulevard,Suite 300 <br /> Golden,CO 80401 <br /> Telephone:303-985-1070 An Equal Opportunity Employer <br />