117.791—Hudson River.
(a)
The draws of the bridges listed in this section shall open as soon as possible at any time for the passage of the following vessels:
(1)
Downbound vessels during a freshet of a height exceeding an elevation determined by the District Commander.
(b)
The draws of the bridges listed in this section shall not remain open for more than 15 minutes and may remain closed for up to 10 minutes to allow accumulated land traffic to pass.
(c)
The draw of the CSX Transportation bridge, mile 146.2 between Albany and Rensselaer, shall open on signal; except that, from December 16 through March 31, the draw shall open on signal if at least 24 hours notice is given.
(d)
The draw of the state highway bridge, mile 150.2 between Troy and Menands, need not be opened for the passage of vessels.
(1)
From April 1 through December 15, the draw shall open on signal from 9 a.m. to 4 p.m.; except that, the draw need not be opened from 6 p.m. to 7 a.m., unless notice is given before 4:30 p.m. of the time the vessel is expected to pass, and need not open from 7 a.m. to 9 a.m. and 4 p.m. to 6 p.m.
(2)
The draws shall open on signal from 6 p.m. to 7 a.m., if notice is given, before 4:30 p.m., of the time the vessel is expected to pass.
(4)
During the period that the Federal Lock at Troy is inoperative, the drawspans need not be opened for the passage of vessels.