AUS Divers Assist with Historic Pier Rehabilitation on Seattle Waterfront: Divers from Associated Underwater Services (AUS) assisted the Pier Rehabilitation Project on Seattle’s historic Pier 57. AUS divers replaced deteriorated timber piles with steel stubs, thus improving the structural strength and integrity of the historic pier. The work was performed for Manson Construction and the
Borman Park Intake 2 Gary, Indiana | 2001 The Borman Park Intake in Gary, Indiana, is comprised of a land drop shaft and subterranean tunnel that terminates in a riser intake structure one mile offshore of Lake Michigan. The riser was installed in a drilled shaft which connects the tunnel to the intake structure, allowing
1996-1997 The South Bay Ocean Outfall project was initiated to prevent serious environmental problems from wastewater throughout the waters of San Diego and Tijuana. It was designed and constructed to convey wastewater from the International wastewater treatment plant and City of San Diego wastewater treatment to a diffuser system approximately 4 miles offshore. Utilizing surface
1998-1999 The project for Lake Mead No.2 involved construction of an intake shaft in Lake Mead. Tasks performed by AUS included installation of a rock deflector cage, flared inlet, and 12-foot diameter steel-lined shaft in depths up to 240 feet below the lake surface and 380 feet offshore. The intake site was located immediately below
2003 Associated Underwater Services was contracted to supply all marine intervention for the Raw Water Bypass project for Blue Ridge Dam in Blue Ridge, Georgia. The project consisted of a hard rock tunnel mined to a Lake Tap positioned in the bottom of the reservoir. The unique design required the excavation of the shaft and
2000-2002 The RSW is a 1100 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.
2006-2010 In response to rapid population growth in greater Seattle, King County created Brightwater as a major improvement to the regional sewerage treatment system. The project also brought important environmental benefits, such as controlling untreated overflows into Lake Washington and Puget Sound, and recycling sewage into irrigation water. AUS provided diving services for the East
2007-2009 Round Butte Dam is located about 90 miles southeast of Portland, Oregon, on and adjacent to the Warm Springs Reservation. Portland General Electric determined that a selective water withdrawal and fish bypass structure was necessary to ensure the survival of Summer Steelhead and Spring Chinook Salmon in the Upper Deschutes, Metolius, and Crooked rivers.
The USS Chehalis, a Patapsco class gasoline tanker, commissioned on December 5, 1944, caught fire and sank in 1949 with more than 400 gallons of petroleum cargo and thousands of rounds of artillery shells on board. The vessel is lying in approximately 150 feet of water about 350 feet off the Fuel Dock at the
2005-2007 The Elm Road Generating Station is located on the shore of Lake Michigan in the city of Oak Creek, Wisconsin, approximately 12 miles south of the city of Milwaukee. The project involved the construction of two new coal-fired electric generating units and common facilities to accommodate up to 3,000 megawatts of generation at the
