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°NR COLORADO County Road 52 Improvements <br /> CO !j Colorado Water <br /> Conservation Board Boxelder Basin Regional Stormwater Authority <br /> Substantially Complete July 1, 2016 <br /> •f 4L <br /> • `S <br /> ^ oa <br /> R4 i <br /> Project Description <br /> The Boxelder Basin Regional Stormwater Authority was formed in 2008, through an IGA between the City of <br /> Fort Collins, Larimer County and the Town of Wellington, to facilitate the construction of regional <br /> stormwater improvements to reduce the threat of flooding and remove areas from the FEMA floodplain in <br /> the Boxelder Creek basin. The County Road 52 Improvement Project was the installation of box culverts <br /> under County Road 52 to reduce roadway overtopping in a 100-year storm event. Due to the location of <br /> and inherent integration required with the authority's adjacent East Side Detention Facility project (CWCB <br /> Loan Contract CT15-070), these two projects were bid as one construction contract. Altogether, these <br /> projects are expected to reduce downstream flows in Boxelder Creek from over 7,000 cfs to less than <br /> 2,400 cfs during a 100-year storm event. The reduced flow rate will allow 100-year flows to be contained <br /> in the current cross-section of Boxelder Creek and will eliminate the flow that occurs in the 100-year flood <br /> plain below the proposed detention facility. Construction commenced in August 2015 and was Substantially <br /> Completed in July 2016. <br /> PROJECT DATA <br /> Sponsor: Boxelder Basin County: Larimer Water Source: Boxelder Creek <br /> Regional Stormwater Authority <br /> Type of Loan: Flood Control Board Approval Date: January 2014 <br /> Terms of Loan: $818,100 at 2.50% for 15 years <br /> Design Engineer: Ayers Associates <br /> Contractor: Dietzler Construction Corporation <br /> Project Elements: (4) 20'x4' Box Culverts, utility line relocations <br /> Water Project Loan Program - Project Summary <br />