On Tuesday morning, contractors used heavy-duty cranes to lower a new upstream gate at The Dalles Lock & Dam. The gate, which weighs 110.5 tons, is a vital piece of machinery for operation of the navigation locks, and represents the most important component of the annual maintenance upgrades and repairs at the dam this winter.
The U.S. Army Corps of Engineers has awarded a $10.5 million contract to a Vancouver, Wash., company to increase navigation lock reliability and safety at The Dalles Lock and Dam on the Columbia River.
PORTLAND – The U.S. Army Corps of Engineers has awarded a $10.5 million contract to a Vancouver, Wash. company to increase navigation lock reliability and safety at The Dalles Lock and Dam on the Columbia River.
The U.S. Army Corps of Engineers announced Thursday that it has begun implementing its 2014 “Spring Fish Operations Plan” at its four lower Snake River and four lower Columbia River dams.
PORTLAND —The U.S. Army Corps of Engineers will close navigation locks at dams on the Columbia and Snake rivers in March to conduct routine annual inspections, preventative maintenance and repairs to major lock systems like gates, valves, pumps and electrical gear. All eight navigation locks will close to recreational and commercial river traffic at 6 a.m. Saturday, March 1.