REVISED Scheduled Lock Outages

Notice Number: 2023-004
Date: 01/30/2023 thru 08/20/2023

John T. Myers Locks and Dam (Ohio River mile 846.0): The Primary (1,200 ft) chamber will be closed for replacement of the Floating Mooring Bitt Tracks intermittently 30 January through 20 August 2023. This duration represents the contract period leading to the scheduled closures described below. Intermittent closures may occur up to four hours each day. Up to two 12-hour closures may occur in a 7-day period to facilitate work. The Auxiliary (600 ft) Chamber will be open to navigation traffic any time the Primary Chamber is closed for work on the Floating Mooring Bitts. An update Notice to Navigation Interests will be provided when a definite start date for the work in the chamber has been established. The Auxiliary (600 ft) chamber will be closed from 21 August through 10 September 2023 to allow miter gate repairs and prep for the Primary Chamber closure by the Heavy Capacity Fleet. The Primary (1,200 ft) chamber will be closed from 11 September through 17 November 2023 to allow miter gate rehab by the Heavy Capacity Fleet.

Smithland Locks and Dam (Ohio River mile 918.5): The land chamber will be closed from 22 September through 21 October 2023 for the replacement of the land chamber miter gate machinery by the Light Capacity Fleet.

The river chamber will be closed from 22 October through 20 November 2023 for the
replacement of the river chamber miter gate machinery by the Light Capacity Fleet.

/s/

Kate Brandner
Interim Chief, Technical Support Branch