AUS Assists the Walla Walla District with Emergency Navigational Lock Repairs

2020-08-31T13:47:48+00:00August 31st, 2020|News|

Repairs on Snake River Dam slow wheat barges at peak of season By Anna King (Northwest News Network) Aug. 31, 2020 6 a.m. The Columbia River System, which includes the Snake River linking to Lewiston, Idaho, is a critical navigation system for shipping wheat downriver to Portland and export markets. Courtesy of Tidewater A lot

Essential Divers Adapt to Pandemic and Protests

2020-06-09T13:43:05+00:00June 9th, 2020|News|

Essential Divers Adapt to Pandemic and Protests BY PARKER COLLINS CARSON PUBLISHED 12:50 PM ET JUN. 08, 2020 UPDATED 1:50 PM ET JUN. 08, 2020 CARSON, Calif. – Construction is considered essential during this pandemic and diving is part of that. Yet like everything else, this work has been impacted by recent protests and the COVID-19 pandemic. James

AUS Attends CEATI Hydropower Conference in Palm Springs, CA

2020-03-07T03:43:14+00:00March 7th, 2020|News|

From CEATI: As we look to the future of the hydropower industry, hydro utilities and dam owners are searching for new and innovative ways to inspect, maintain, operate, and manage their systems. New technologies and tools are constantly under development in the areas of hydrology, operations and planning, inspecting and maintaining powerhouse equipment, and surveillance

Marine Construction Projects

2020-03-06T23:59:11+00:00April 9th, 2019|News|

June 1, 2018 By Kathy A. Smith Originally posted here: The WETA Central Bay Operations & Maintenance Facility main float walkway extends more than 450 feet offshore with 6 finger floats each extending 134 feet perpendicular to the main. Photo courtesy of WETA. Marine Construction companies have been busy over the past year, building new

9 Mile Dam Sediment Bypass Project

2020-03-07T00:10:04+00:00March 29th, 2018|News|

May 2017- October 2017 Associated Underwater Services was subcontracted to perform the diving portion of the Nine Mile Falls Sediment Bypass Project. This project entailed two phases of work. Phase one was primarily focused on sediment removal and relocation. The second phase was focused on the installation of new dam components. The work scope included:

BP Cherry Point Refinery Piling Inspection and Repair – Annual Contract

2020-03-07T00:17:32+00:00February 20th, 2018|News|

BP’s Cherry Point refinery has provided a significant portion of U.S. energy needs for more than 30 years. It is located along Pacific coastal waters in northwest Washington state and is the fourth largest refinery on the U.S. west coast. The refinery processes a large share of Alaska North Slope crude oil, more than 225,000

Lower Granite Dam RSW Removable Spillway Weir

2020-03-07T00:20:21+00:00February 20th, 2018|News|

RSW (Removable Spillway Weir) is a 1,100-ton prototype fish bypass structure installed in spillbay 1 on the upstream side of the Dam. The RSW is hinged on the dam face and rotates to an up or down position using ballast tanks. The buoyancy tanks are operated by a computerized system that controls ascent and descent.

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