SUPPLEMENTARY INFORMATION:

The Coast Guard will enforce a segment of the Safety Zone: Brandon Road Lock and ( printed page 16214) Dam to Lake Michigan including Des Plaines River, Chicago Sanitary and Ship Canal, Chicago River, Calumet-Saganashkee Channel, Chicago, IL, listed in 33 CFR 165.930. The safety zone will encompass all waters of the South Branch Chicago River east of the Ashland Avenue Bridge, north of the Adlai E. Stevenson Expressway Bridge and west of the South Halsted Street Bridge. Enforcement will occur from April 15, 2019 through April 21, 2019. Construction involving airlifts will take place from 8 a.m. to 3 p.m. intermittently in fifteen-minute intervals. During the enforcement period, no vessel may transit this regulated area without approval from the Captain of the Port, Lake Michigan or a Captain of the Port, Lake Michigan designated representative. Vessels and persons granted permission to enter the safety zone shall obey all lawful orders or directions of the Captain of the Port, Lake Michigan, or his or her on-scene representative.

This notice of enforcement is issued under the authority of 33 CFR 165.930 and 5 U.S.C. 552 (a). In addition to this publication in the Federal Register , the Captain of the Port Lake Michigan will also provide notice through other means, which will include Broadcast Notice to Mariners. Additionally, the Captain of the Port Lake Michigan may notify representatives from the maritime industry through telephonic notifications, email notifications, or by direct communication from on scene patrol commanders. If the Captain of the Port Lake Michigan or a designated representative determines that the regulated area does not need to be enforced for the full duration stated in this notice of enforcement, he or she may use a Broadcast Notice to Mariners to grant general permission to enter the regulated area. The Captain of the Port Lake Michigan or a designated on-scene representative may be contacted via Channel 16, VHF-FM or at (414) 747-7182.

84 FR 16213