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Multiple Guaranteed Savings Contract Community <br />City of Lafayette `LAFAYETTE <br />GSC Greenbush CSO Storage Tank; Lafayette, IN RENEW <br />WATER .ENVIRONMEM.COMMUNIN <br />Project Size: $23,100,932 4 <br />October 2017 - May 2019 <br />Bowen, teaming with Greeley and Hansen, constructed a 4.2 million gallon <br />concrete holding tank designed to eliminate overflows to the Wabash River. The <br />buried tank is located at an old city dumpsite. Bowen mitigated and restored the <br />site to pave the way for a future city park. <br />Project Challenges: <br />• Dewatering - The project site is located 200 yards from the Wabash River <br />and less than 100 feet away from a creek with direct connection to the <br />Wabash. The tank sits 30ft below grade and requires constant dewatering. <br />Bowen engineered and constructed a dewatering discharge point to take the <br />20.7 MGD we needed to keep the excavation dry. <br />• Site restoration - The site used to be a city dump and was recently used <br />to store yard waste. Handling the waste material and developing a site for a <br />future park location has been a challenge Bowen has overcome. <br />Bowen Resourceful: <br />• The existing site was void of topsoil. Bowen is using the existing mulch pile <br />and compositing the mulch to turn it into viable topsoil to grow grass. <br />• To blend into the future park, the electrical building will have architectural <br />concrete work and exposed concrete cladding. <br />Bowen Responsive: <br />• Bowen has closely monitored river levels, placing sandbags to protect the <br />transformer and building berms during near -record river levels in early 2018 <br />Bowen Results: <br />• Awarded the 2019 Concrete Achievement Award from the Indiana Ready Mix <br />Concrete Association (IRMCA) for excellence in concrete construction <br />IRMFYM <br />A <br />BOWEN INDIANA REAIXED <br />CONCRETE ASSOCIATION <br />RESOURCEFUL. RESPONSIVE. RESULTS. <br />PROJECT SCOPE <br />• Site Work <br />• Civil / Concrete Work <br />• Underground Piping <br />• Structural Steel Erection <br />• Equipment Setting <br />• (4) Grande Flushing Gates <br />• (1) Tipping Bucket for Flush Water <br />• (4) Sets of Fine Screens <br />• (2) Flygt Dewatering Pumps <br />• Mechanical / Piping <br />• Architectural / Finishing Work <br />PROJECT SPECS <br />• 141,646 CY of excavation <br />• 816 - 50, 45, and 30 FT Piles <br />• 9,978 CY of concrete <br />• 990 tons of rebar <br />• 108,788 SF of formwork <br />• 719 LF of 110" piping <br />• 4 building structures <br />PROJECT TEAM <br />• Bowen OM: <br />Chris Manges <br />• Bowen PM: <br />Jared Weber <br />• Client Contact: <br />Brad Talley <br />765.807.1800 <br />• Engineering: <br />Greeley and Hansen <br />www.bowenengineering.com <br />