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27 <br /> schnabel-eng.com 2. Project References.../ L... ake Orange Intake Tower / 11 <br /> 2. Project References <br /> ...................................................................................................................................................................................................................................................................... <br /> Hope Mills Lake Dam <br /> MOPE MILLS, NC <br /> .i <br /> SERVICES The original Hope Mills Dam was built in the late 1830s to <br /> Community Outreach provide power to four nearby cotton mills. The dam was <br /> Construction Observation breached by a flood in 1923 and rebuilt in 1924. This second <br /> Dam Engineering Design dam overtopped and failed in 2003. A third dam constructed in <br /> Dam Failure Forensic Study 2008 failed after two years of service and emptied the lake. <br /> Dam Safety Permitting <br /> In 2014, the Board of Commissioners awarded a design-build <br /> Emergency Action Plan contract to Schnabel Engineering and ASI Construction to <br /> Geostructural Engineering restore the lake. In a collaborative process, the design-build <br /> Geotechnical Engineering team and the Town's representatives identified the top project <br /> Hydrology and Hydraulics goals of a smaller footprint, a more attractive and less obtrusive <br /> Structural Engineering design, reduction of vibration, higher water level, mitigation of <br /> potential causes of seepage, and more lakeside recreation areas. <br /> OWNThe design solution was also considered sensitive to the Town's <br /> Town of Hope plans for downtown revitalization. Based on project objectives <br /> Town of Hope Mills and the construction and design issues that caused the 2010 <br /> ASI Construction dam failure, we recommended a complete replacement. The <br /> Melissa Adams new dam consists of a concrete 5-cycle labyrinth spillway, <br /> P: 910.426.4114 earthen embankments on both sides of the spillway, a cutoff <br /> E: mpadams@ wall beneath the entire dam, and a seepage collection system. <br /> townofhopemills.com Additionally, the stream channel and bridge abutment walls in <br /> the spillway outlet were improved for long-term performance. <br /> AWARDS Construction was completed in December 2017 <br /> 2019 Institute for Sustainable This project was awarded the 2018 ASDSO National <br /> Infrastructure's Envision <br /> Bronze Award Rehabilitation Project of the Year award and an Envision <br /> NCACEC Engineering Bronze award for sustainability - the first dam to earn an <br /> Excellence Award Envision award. <br /> Build Better.Together. <br />