Columbia River
Associated Underwater Services was contracted to replace the intake screens on their irrigation water intake structure in the Columbia River. The new screens are “self-cleaning” and were provided by Intake Screens Inc.
BP Cherry Point Refinery Piling Inspection and Repair – Annual Contract
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
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.
Ivar’s Acres Of Clams
Associated Underwater Services is working for Pacific Pile and Marine under Pier 54, Ivar’s Acre of Clams, Seattle Washington. The work consists of dredging to cut existing timber piles, designated for replacement, one foot below mud-line. The timber piles are being replaced with telescopic steel piles. ❮ ❯
South Fork Intake Bulkhead Installation
AUS installed two dewatering bulkheads at South Fork Reservoir, located outside Elko Nevada. To allow for repairs on the guardian gates, AUS installed two dewatering bulkheads on the intake structure located at the bottom of the reservoir. At an altitude of 5,300 feet, AUS lifted and installed two bulkheads at 10,000 pounds each and successfully
NOAA Installs System to Improve Safety and Efficiency of Ships along the Cherry Point Reach in Washington State
Originally posted here Also, see this post from AUS Projects November 20, 2009 Cherry Point, Wash. Ship captains and pleasure boaters can now get free real-time information on water and weather conditions for Cherry Point, Wash., from a newly installed NOAA ocean observing system that makes piloting a ship safer and more efficient.
Argentina Project- Emisario Planta Riacheula
In Buenos Aires, Argentina, AUS provided consulting, design, and direct supervision of underwater concrete placement in the four drop shafts required for the implementation of the tunnel machine. AUS was involved in the development of the underwater requirements including the safety plan, excavation, survey, rebar, and drain installation components in 165 feet of water utilizing
Marine Construction
Originally published at www.pacmar.com A particularly challenging part of the Seattle SR 520 Floating Bridge Replacement Project involved 275 mixed-gas dives – each to approximately 205 feet of water, with AUS Divers required to perform 45 minutes of in-water decompression, followed by an hour and a half breathing 100-percent oxygen in the topside decompression chamber.
New SR 520 floating bridge named America’s top engineering feat
Originally posted here SEATTLE — Precisely one year after opening to traffic, the new State Route 520 floating bridge on Tuesday, April 25, received one of the country’s highest engineering awards: the 2017 Grand Conceptor Award from the American Council of Engineering Companies (ACEC). The annual award was presented the Washington State Department of Transportation
Box Canyon Dam Upstream Fish Passage Project
Box Canyon Dam Upstream Fish Passage Project Fall of 2017 Box Canyon Dam, located on the Pend Oreille River in Washington, is required to provide upstream fish passage for the Bull Trout, West slope Cutthroat, and the Mountain Whitefish. AUS provided diving support for the project working for the General contractor, J.W. Fowler, and