Fall Seasonal Removal of Flashboards at Crescent and Vischer Ferry Dams
Shane Mahar, NYS Canal Corp.
November 15, 2013
FOR IMMEDIATE RELEASE
ALBANY-The New York Power Authority (NYPA), working with the New York State Canal Corporation, will oversee the water drawdown for the seasonal removal of flashboards at Vischer Ferry and Crescent dams beginning on Monday, Nov. 18. Flashboards, used to regulate water levels at the hydroelectric power plants, seasonally raise the pond level upstream of the Crescent and Vischer Ferry Dams.
The Vischer Ferry Dam (Lock 7) spans the Mohawk River between Vischer Ferry, Saratoga County, and Niskayuna, Schenectady County. The Crescent Dam (Lock 6) is between Waterford, Saratoga County, and Colonie, Albany County.
The schedule is:
Monday, Nov. 18:
PM water levels at Vischer Ferry drop to elevation 211 feet (ft.) by Tuesday AM. This lowering represents a reduction of approximately 2 ft. below water levels normally observed during the canal navigation season.
Tuesday, Nov. 19:
AM water levels at Vischer Ferry rise to 213.3 ft. AM water levels at Crescent drop to 0.5 ft. below crest, elevation 183.5 ft. This lowering represents a reduction of approximately 1.5 ft. below levels normally observed during the canal navigation season. Removal of flashboards at Crescent is completed. PM water levels at Crescent rise to crest, elevation 184 ft. At Vischer Ferry water levels drop to elevation 211.1 ft. through the night.
Wednesday, Nov. 20:
Flashboard removal work temporarily suspended. Waters levels at Visher Ferry remain at
AM water levels at Vischer Ferry drop to 0.3 to 0.5 ft. below crest. This lowering represents a reduction of approximately 2.5 ft. below water levels normally observed during the canal navigation season. Removal of flashboards at Vischer Ferry starts. PM water levels at Vischer Ferry rise to 0.1 ft. above crest.
Friday, Nov. 22:
AM water levels at Vischer Ferry drop to 0.3 to 0.5 ft. below crest. This lowering represents a reduction of approximately 2.5 ft. below water levels normally observed during the canal navigation season. Removal of flashboards at Vischer Ferry is completed. PM water levels at Vischer Ferry return to crest, elevation 211 feet.
Barring any complications or inclement weather, the removal of the flashboards will be completed by November 22. Unforeseen precipitation and high water conditions may delay this schedule. Any questions regarding this work should be directed to David Weiman, New York Power Authority at 518-287-6340.
■ The New York Power Authority has been designated as the lead entity via Executive Order 88 by Gov. Andrew M. Cuomo to form a central management and implementation plan to carry out his Build Smart NY plan to reduce energy use by state facilities by 20 percent by 2020. ■ NYPA uses no tax money or state credit. It finances its operations through the sale of bonds and revenues earned in large part through sales of electricity.■ NYPA is the nation's largest state public power organization, through the operation of its 16 generating facilities in various parts of New York State, participation in a unique public/private partnership to contract for power from a clean generating plant in Queens, and its operation of more than 1,400 circuit-miles of transmission lines. ■ More than 70 percent of the electricity NYPA produces is clean renewable hydropower. Its lower-cost power production and electricity purchases support hundreds of thousands of jobs throughout the state.■ For more information visit www.nypa.gov and follow us on Twitter @NYPAenergy, Facebook, Instagram, Wordpress, and LinkedIn.