Notice to Navigation 2023-047, Updated John T. Myers Auxiliary and Main Closures

REFERENCE:
Navigation Notice # 2023-001 dated January 20, 2023
Navigation Notice # 2023-004 dated February 1, 2023
Navigation Notice # 2023-019 dated June 16, 2023
Navigation Notice # 2023-029, dated July 19, 2023
Navigation Notice # 2023-039, dated August 15, 2023

Summary of Changes: A 12-hour total river closure has been added to the schedule on 10 October 2023 to facilitate miter gate reinstallation in the Primary Chamber. The Primary Chamber completion date has been delayed 1 week.

Primary (1,200 ft) Chamber closure – Miter Gate Rehab:

The Primary (1200 ft) Chamber will be closed from 21 August through 06 November 2023 to allow miter gate rehab by the Heavy Capacity Fleet. During this closure, all traffic will utilize the Auxiliary Chamber, except as noted below.

Auxiliary (600 ft) Chamber closure and intermittent closures:

On Tuesday, 10 October 2023, the Auxiliary (600 ft) Chamber will have one 12-hour closure, 0730-1930 CT, to support the miter gate leaf reinstallation on the downstream side of the Primary (1200 ft) Chamber. During this closure, all traffic will stop. The Heavy Capacity Fleet will occupy the Auxiliary Chamber during this time.

The Auxiliary (600 ft) chamber will be closed from 07 November through 17 November 2023 to allow miter gate repairs by the Heavy Capacity Fleet. During this closure, all traffic will utilize the Primary Chamber.

/s/

Shawn Kenney
Chief, Technical Support Branch