AUS Projects

Wilsonville Wastewater Treatment Outfall Replacement

By Mark | Aug 20, 2018

The City of Wilsonville is set to embark on a project to replace a 40-year-old corrugated metal outfall pipe and install a new diffuser at the Wastewater Treatment Plant.   The project provides increased wastewater treatment capacity to accommodate future growth, improves Willamette River water quality and satisfies Oregon Department of Environmental Quality (DEQ) compliance … Read more

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Marine Construction Projects

By Mark | Aug 14, 2018

By Kathy A. Smith Originally posted June 1st HERE Marine Construction companies have been busy over the past year, building new over-water facilities, upgrading existing infrastructure and demolishing structures that no longer serve a useful purpose. Spokane, Washington-based AUS Diving has been occupied with a number of marine maintenance projects. Earlier this year, the company … Read more

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Snake River

By Mark | Mar 21, 2018

AUS was contracted to remove approx. 85 concrete steel piles on the old Loveridge Bridge on the Snake River.

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Columbia River

By Mark | Mar 21, 2018

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.  

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South Fork Intake Bulkhead Installation

By Mark | Oct 19, 2017

The South Fork Reservoir is located outside Elko Nevada. AUS was contracted to install two dewatering bulkheads on the intake structure located in the bottom of the reservoir to allow repairs on the guardian gates. AUS lifted and installed two each 10,000 pound bulkheads at an altitude of 5300 feet and successfully dewatered the intake … Read more

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Argentina Project

By Mark | Aug 24, 2017

Obra-RC005-Lot3 Emisario planta RIachuela Associated Underwater Services under contract to Impregalla Healy provided consulting design and direct supervision of the underwater concrete placement in the four drop shafts required for the implementation of the tunnel machine. Emisario planta RIachuela project came together as AUS assisted in the development of the underwater requirements including safety plan, excavation, … Read more

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Box Canyon Dam

By Mark | Oct 17, 2016

As per of the FERC Relicense Process, Box Canyon Dam, which is located on the Pend Oreille River near Ione, WA is required to provide upstream passage for the Bull Trout, West slope Cutthroat, and the Mountain Whitefish.  Associated Underwater Services is providing the dive support for the project working for the General contractor, J.W. … Read more

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Twin Falls Powerhouse

By Mark | Oct 13, 2016

AUS conducted a survey of the Twin Falls Powerhouse tail race tunnel between August 6 and August 8, 2013. The condition of the tunnel was documented by ROV video and scanning and imaging sonars. The tunnel was found to be in good condition with no significant evidence of sediment accumulation or ceil collapse.

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Ryan Dam

By Mark | Jun 27, 2016

In the winter of 2014, AUS spent 2 1/2 months in Great Falls, MT overhauling the waste gates at Ryan Dam. We removed the gates and gate stems, installed new gate guides and replaced the reworked gates and stems. Utilizing Nitrox breathing mixture throughout the project, we made 194 dives to a depth of 66′. … Read more

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