(a) The south draw of the S11 bridge near New Orleans shall open on signal if at least 48 hours notice is given. In case of emergency, the draw shall open within 12 hours and shall be kept in condition for immediate operation until the emergency is over.
(b) The draw of the Greater New Orleans Expressway Commission Causeway shall open on signal if at least three hours notice is given; except that, the draw need not be opened for the passage of vessels Monday through Friday except Federal holidays from 5:30 a.m. to 9:30 a.m. and from 3 p.m. until 7 p.m. The draw will open on signal for any vessel in distress or vessel waiting immediately following the closures listed above. [CGD 82-025, 49 FR 17452, Apr. 24, 1984, as amended by CGD8-90-02, 55 FR 13522, Apr. 11, 1990; CGD08-01-022, 66 FR 56208, Nov. 7, 2001]