117.850—Black River.
The draw of the Erie Avenue bridge, mile 0.6, at Lorain shall open on signal except as follows:
(1)
From 7 a.m. to 6 p.m., Monday through Friday, except legal holidays, the draw need open only on the hour and half-hour for pleasure craft; however, the draw need not open for pleasure craft at 8 a.m., 3 p.m., 4 p.m. and 5 p.m. For commercial vessels the draw shall open on signal as soon as possible.
(2)
From 11 a.m. to 6 p.m., Saturdays, Sundays and legal holidays, the draw need open only on the hour and half-hour for pleasure craft. For commercial vessels the draw shall open on signal as soon as possible.
(3)
From 11 p.m. to 7 a.m., seven days a week and legal holidays, no bridgetender is required to be in constant attendance and the bridge shall open on signal for pleasure craft and commercial vessels if at least a one hour advance notice is given.
(b)
From January 1 through March 31, the draw shall open on signal for pleasure craft and commercial vessels if at least a twelve hour advance notice is given.
(c)
At all times, the draw shall open as soon as possible for public vessels of the United States, state or local government vessels used for public safety and vessels in distress.