AUS Projects

Round Butte Dam, or Selective Water Withdrawal

By Mark | Jul 1, 2009

Round Butte Dam, or Selective Water Withdrawal | 2007-2009 Round Butte Dam is located about 90 miles southeast of Portland, OR 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 … Read more

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Brightwater Conveyance System

By Mark | Jul 1, 2009

  Brightwater Conveyance System | 2006 – 2010 King County conceived Brightwater as a major improvement to the regional sewerage treatment system in response to rapid population growth in greater Seattle. The project also will bring important environmental benefits, such as controlling untreated overflows into Lake Washington and Puget Sound, and recycling sewage into irrigation … Read more

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American Samoa Outfalls

By Mark | Jul 1, 2009

American Samoa Outfalls | 2007-2015 AUS divers spent several months in American Samoa repairing outfalls for both government and private customers. A semi-autonomous agency of the American Samoa Government operates two primary treatment wastewater plants in Utulei and Fogagogo (Tafuna). The outfalls from these plants service about 8,000 connections and require repair to avoid environmental … Read more

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American Samoa Utulei Outfall

By Mark | Jul 1, 2009

American Samoa Utulei Outfall | 2007 This project required the replacement of a corroded flange backing ring and replacement of three damaged diffuser ports. The repairs were made without shutting down the operation of the sewage treatment plant. Maximum diving depth of – 160′

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American Samoa Tafuna Outfall

By Mark | Jul 1, 2009

American Samoa tafuna Outfall | 2007 Due to the extreme ocean conditions at this location, the hold down chains needed to be replaced. Also, new anodes were welded on to protect the steel components of the pipeline.

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