BRISTOL – Naval architecture and marine engineering firm Bristol Harbor Group was contracted to review and analyze a Canadian Coast Guard buoy by the New York Power Authority, the firm announced.
With the authority’s fast-water warning buoys ready for replacement, the Canadian buoys were reviewed for required internal ballast and mooring so they can be secured in tailrace waters, Bristol Harbor Group said.
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The tailrace is a channel carrying water away from a hydroelectric plant or water wheel.
As part of its research, Bristol Harbor Group visited the Moses-Saunders Power Dam in Massena, N.Y., to inspect tailrace buoys there, gathering data and discussing design development with NYPA engineers.
Bristol Harbor Group produced a new tailrace buoy design, using some details of the Canadian Coast Guard buoy, it said. Changes include reoriented battery boxes, ballast compartments, a taller tower for a more-visible warning sign and light, and an improved mooring system allowing the buoy to self-deploy with just NYPA small-boat support.
Susan Shalhoub is a PBN contributing writer.
