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HomeMy WebLinkAboutEngineer's Letter - Drainage Verification 12.01.2020David Rasmussen 826 Suite C Hwy 133 Carbondale, CO 81623 December 1, 2020' RE: Mountain Shadows Subdivision Drainage Verification SEJob#17076.01 David, Sopris Engineering, LLC (SE) has written this letter as requested for verification that the installation of the detention ponds at the southern end of the subdivision were installed to maintain historic drainage flows. SE performed a site visit on November 23rd, 2020 to review the detention ponds. Based upon the site visit the ponds needed minor grading work. SE performed a second site visit on November 30th, 0u and . 0tionsverified that the ponds have been regraded and are in compliance with the required drainage As such, SE has confirmed that the storm water detention will maintain the discharge to the historic flows and is in compliance with the SE's Drainage Report Dated Maty 17th of 2017. If you have any questions or need any additional information, please call. Sincerely, SOPRIS ENGINNERING, LLC Yancy Nichol, PE Principal I 502 Main Street • Suite A3 • Carbondale, CO 81623 • (970) 704-0311 • Fax (970) 704-0313 SOPBIS ENGINEERING • LLC civil consultants