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Parks&Open Space Department 9755 Henderson Road <br /> Adams County Regional Park Brighton,CO 80601 <br /> www.adcogov.org PHONE 303.637.8000 <br /> D"S.C-O.V.NjY FAx 303.637.8015 <br /> RECEIVED September 7, 2017 <br /> State of Colorado V"SEP 12 2017 <br /> Division of Reclamation, Mining and Safety <br /> Attn: Jared Ebert DIVISION OF RECLAMATION <br /> 1313 Sherman Street, Room 215 MINING AND SAFETY <br /> Denver, CO 80203 <br /> Jared, 0 o"_';Pc► <br /> On September 6, 2017 Tara Schutter, PE from Tessara Water, LLC. contacted you on behalf of <br /> Adams County, Todd Creek Village Metropolitan District(TCVMD) and South Adams County <br /> Water and Sanitation District(SACWSD) in regards to a request for a Technical Revision(TR) <br /> relative to M-19 147 Nyholt Pit(aka Mann). <br /> Adams County Parks and Open Space has partnered with TCVMD and SACWSD through an <br /> Intergovernmental Agreement (IGA)in order to make certain improvements to the mining area in <br /> preparation for its intended use as water storage as well as the future expansion of the Regional <br /> Park and Fairgrounds. Specifically this TR request is for the installation of a French Drain System <br /> designed to alleviate ground water pressure on the already approved clay liners. The drain will be <br /> approximately 300 feet long and installed to a depth approximately 21 feet below grade. It will <br /> consist of an eight-inch perforated PVC pipe with clean gravel bedding surrounding the pipe. <br /> This letter is intended to let you know that Schutter, PE from Tessara Water, LLC., acting as a <br /> consultant through TCVMD has permission to submit a Technical Revision(TR) on behalf of <br /> Adams County Parks and Open Space for the specific improvements listed above at mining site <br /> M-1982-147 Nyholt Pit(aka Mann). <br /> If you have any questions or require additional information please let me know. <br /> Thanks, <br /> Kurt Carlson, MAS <br /> Regional Park Manager <br /> Cc: Tara Schutter, PE <br /> File <br /> BOARD OF COUNTY COMMISSIONERS <br />