Shandaken Tunnel Intake Chamber Rehabilitation Client: NYCDEP Location: Delaware and Schoharie County, New York With ve of the original sluice gates inoperable and the remaining three at the end of their useful service life, the New York City Department of Environmental Projection (NYCDEP) contracted Hazen and Sawyer (Hazen), in joint venture, to provide inspection, planning, design and design services during construction to replace all gates, enhance the intake’s withdrawal capabilities and renovate the facility to provide modern-day ow control and improved exibility in meeting water-quality requirements, thus ensuring continued reliable service for another 100 years.Reservoir intake during drought. Leakage through 90-year old roller sluice gates. 3D / 4D model of the replacement gat

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