March, 2019 AUS was contracted to salvage 100 metric tons of anchor chain and an 8 metric ton anchor in 310 feet of water from the Manchester bay anchorage area. The lost chain posed a hazard to navigation and reduced the available anchorage footprint in the bay. AUS chartered a derrick which was subsequently equipped with
AUS performed diving services on a Water Intake located on the Columbia River in Washington State. Both a construction barge and a material barge were used to replace 2 intake screens and sediment removal to enhance the performance of the intake.
AUS recently completed the change out of 32 2-3/8-inch diameter cables for the I-90 floating bridge, owned and operated by the Washington Department of Transportation. AUS set up a mixed gas, surface supplied diving station, and a modular crane barge anchored on Lake Washington. Most dives were over 200 feet of water, the deepest occurring
December 18, 2018 AUS was hired to remove a 16-foot diameter, domed, bulkhead in support of the construction for the Lake Mead Intake Number 3, Low Level Pumping Station. The bulkhead had 120 of 3-7/8 nuts that needed to be removed in over 500 feet of water. Options to remove the bulkhead were saturation diving
Summer of 2018 The City of Wilsonville approved a project to replace a 40-year-old corrugated metal outfall pipe and install a new diffuser at the Wastewater Treatment Plant. AUS was subcontracted to perform the underwater installation of the outfall. AUS removed the old intake, managed the excavation of the new trench, installed the new pipe
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
December 2017 Associated Underwater Services was subcontracted to assist Cannon Builders with the removal of piles for the Loveridge bridge the Snake River in Idaho. AUS cut 85 concrete filled steel piles at or below the mudline, then loaded them onto a barge for disposal.
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.
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
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
