(a) The owners of the AMTRAK Old Saybrook-Old Lyme Bridge, mile 3.4 the Route 82 Bridge, mile 16.8, and the CONRAIL Middletown-Portland Bridge, mile 32.0, shall provide, and keep in good legible condition, clearance gauges with figures not less than twelve (12) inches which designed, installed and maintained according to the provisions of Sec. 118.160 of this chapter.
(b) The draws of the AMTRAK Old Saybrook-Old Lyme Bridge, mile 3.4, and the CONRAIL Middletown-Portland Bridge, mile 32.0, shall be opened as soon as practicable for all non-commercial vessels that cannot pass under the closed draws, but in no case shall the delay be more than 20 minutes from the time the opening was requested.
(c) The draw of the Route 82 Bridge, mile 16.8, at East Haddam, shall open on signal except that, from 15 May to 31 October, between 9 a.m. and 9 p.m., the draw need open for recreational vessels on the hour and half-hour only. The draw shall open on signal for commercial vessels at all times. [CGD01-95-009, 63 FR 10140, Mar. 2, 1998]