The draw of the CSX Transportation Railroad bridge, mile 0.1 near Saraland, shall open on signal; except that, from 6 p.m. to 10 a.m. the draw shall open on signal if at least eight hours notice is given. During periods of severe storms or hurricanes, from the time the National Weather Service sounds an ``alert'' for the area until the ``all clear'' is sounded, the draw shall open on signal. [CGD8-85-12, 50 FR 41685, Oct. 15, 1985]