2008 Lock Maintenance Schedule
The following Lock Maintenance Schedule for 2008 was released by the U.S. Army Corps of Engineers. We will let you know of any changes if they occur.
March 10 through March 28, 2008 (19 Days)
LOCK 3, MONONGAHELA RIVER
Repair/Replace Miter Gates and Valve Operating Machinery in the Auxiliary Lock Chamber.
Land Chamber (56’x 720’) Closed
Extended River Chamber (56’x 751’) Open
Minor Delays to Navigation
March 31 through April 25, 2008 (26 Days)
HILDEBRAND L/D, MONONGAHELA RIVER
Dewater Single 84’ x 600’ Lock Chamber,Renovate Lock Gates and Seals.
Single Chamber (84’ x 600’) Closed
No River Traffic Can Pass through Lock
May 6 through May 23, 2008 (18 Days)
LOCK 2, ALLEGHENY RIVER
Renovate 8’ x 10’ Land Wall Filling Valve and Renovate Operating Machinery; Repair Hydraulic Pipelines and Bubblers.
Single Chamber (56’ x 360’) Open
Intermittent Delays to Navigation
May 27 through June 13, 2008 (18 Days)
LOCK 4, ALLEGHENY RIVER
Renovate Filling Valves #1 & #5 and Emptying Valves #1 & #4.
Single Chamber (56’ x 360’) Open
Chamber Width Restriction of 52'
Intermittent Delays to Navigation
June 24 through July 8, 2008 (15 Days)
BRADDOCK L/D, MONONGAHELA RIVER
Dewater 110’ x 720’ Land Chamber; Tension Lock Gates, Repair Miter
and Quoin Seals; Repair Land Wall Emptying Valve.
Large Chamber (110’ x 720’) Closed
Small Chamber (56’ x 360’) Open
Major Delays to Navigation
July 9 through July 16, 2008 (8 Days)
BRADDOCK L/D, MONONGAHELA RIVER
Replace Middle Wall Filling Valve; Repair Valve Operating Machinery.
Large Chamber (110’ x 720’) Open
Small Chamber (56’ x 360’) Closed
Minor Delays to Navigation
August 5 through August 22, 2008 (18 Days)
NEW CUMBERLAND L/D, OHIO RIVER
Renovate Middle Wall Emptying Valve and Operating Machinery.
Large Chamber (110’ x 1200’) Open
Small Chamber (110’ x 600’) Closed
Minor Delays to Navigation
October 7 through October 31, 2008 (25 Days)
OPEKISKA L/D, MONONGAHELA RIVER
Renovate River Wall Filling and Emptying Valves in Single 84’ x 600’
Lock Chamber.
Single Chamber (84’ x 600’) Open
Minor Delays to Navigation
November 10 through November 21, 2008 (12 Days)
DASHIELDS L/D, OHIO RIVER
Repair Miter Gate Operating Machinery in 110' x 600' Lock Chamber.
Large Chamber (110’ x 600’) Open
Small Chamber (56’ x 360’) Closed
Intermittent Delays to Navigation