dewatering

Soo Locks closing for seasonal repair and maintenance

The Soo Locks in Sault Ste. Marie, Mich., will close to all marine traffic beginning just before midnight tonight or until commercial traffic ceases, through 12:01 a.m. on March 25 to perform seasonal critical maintenance.

Federal regulation (33 CFR 207.440) establishes the operating season based on the feasibility of vessels operating during typical Great Lakes ice conditions.

“Every year, the Corps of Engineers uses the non-navigation winter period to perform maintenance and keep the Soo Locks...

https://www.marinelog.com/inland-coastal/inland/soo-locks-closing-for-seasonal-repair-and-maintenance/

Lock steps: Dewatering is the first step before lock repairs can begin

Ironically, to keep locks open, you’ve got to close them. To do work on a waterway structure, you’ve got to dry it out first, a process called dewatering.

“Last year, our lock operators locked through 25,486 vessels safely during 18,140 lockages along the Okeechobee Waterway,” said Bill Keeney, the U.S. Army Corps of Engineers Jacksonville District’s supervisory facility management specialist for the west region locks and dams. “We want to do everything possible to keep these locks open for our...

https://www.workboat.com/news/coastal-inland-waterways/lock-steps-dewatering-is-the-first-step-before-lock-repairs-can-begin/