Anode Installation for Terminal 5 Modernization Project
AUS successfully completed anode installations for Seattle Harbor’s Terminal 5 modernization project. AUS provided an OSHA and ADCI certified commercial dive crew to install anodes for the Terminal’s cathodic protection system. Additionally, AUS dive crews performed
AUS Completes Port of Everett Pile Repairs
AUS dive crews successfully installed structurally reinforced pile jackets at the Port of Everett. Using surface supplied air and mounted helmet cameras, AUS divers repaired the piles from the mudline to the top of the
45ft Morning Star Vessel Salvage, Blind Bay, W.A.
AUS dive crews assist with salvaging a 45ft 1948 Morning Star vessel. The salvage took place off the coast of Blind Bay, Washington. Utilizing floatation bags, riggings, and trash pumps, AUS divers successfully salvaged the
AUS Relocates Water Station Barge on Echo Bay, Lake Mead
Due to the current drought crisis, AUS dive crews are relocating Echo Bay’s water intake barge to deeper water on Echo Bay, Lake Mead. The water intake barge is currently sitting in shallow water as Lake
AUS Inspects and Repairs Damaged Fish Structures on Lewis River, Washington
AUS divers inspected and repaired damage to essential fish structures caused by recent storms on the Lewis River, Washington. Recent storm water and debris damaged essential fish nets and pens located in the Swift Reservoir
Emergency Salvage at Pier 69, Seattle, WA
AUS crews provided emergency salvage services at Pier 69, Seattle, WA. AUS Divers on Pier 69 Emergency Salvage After a construction barge broke loose on Pier 69, AUS was called to provide emergency
Pier 55 and 56 Pile and Dock Repair
AUS is currently performing diving work on the Pier 55 and 56 projects in Seattle, WA, for Pacific Pile & Marine(PPM). AUS is providing a three-person commercial diving crew (OSHA, WISHA and ADCI Approved) to
AUS Performs Sonar Survey at Enloe Dam, Oroville, Washington
AUS conducted a sonar survey at Enloe Dam, situated on the Similkameen River. AUS, teaming with ASI Marine, utilized two different sonar systems to perform the survey. The first portion of the survey was done
AUS Retrieves Four Aluminum Sample Sleds at Brightwater Treatment Plant Marine Outfall
AUS Diving was contracted to retrieve four aluminum environmental sample sleds along the Brightwater Treatment Plant Marine Outfall. The Brightwater Treatment Plant Marine Outfall, located in King County, extends a mile off of Point Wells
AUS Conducts Boundary Dam Forebay ROV and Hydrographic Survey
AUS was contracted through a Master Services Agreement to conduct an underwater condition survey at Boundary Dam. The survey was of the forebay north wall and the mouth of the six intake tunnels to identify
AUS Completes Hydrographic Survey and Intake Tunnel Debris Removal at Diablo Dam
AUS was deployed for an emergency call out to survey concrete and debris inside the intake structure for the turbines at Diablo Dam. Utilizing an 8-man crew, AUS removed concrete debris from inside the intake
AUS Divers Salvaged Two Sunken Vessels, Lake Washington
AUS dive crew salvaged two vessels on Lake Washington which sank after catching fire. The vessels salvaged were a two-story house boat and a power boat. AUS divers skillfully attached lift bags to the sunken vessels
AUS contracted by American Cruise Lines for ship husbandry
AUS was contracted by American Cruise Lines to remove a mooring line that had been wrapped up in the ship's propeller. An AUS diver successfully removed the line so the American Pride could resume its way
AUS Mobilizes Emergency Response Team for The Dalles Marina Fire, Oregon
AUS responds to an emergency call at the Dalles Marina as a fire raged through, burning house boats and docks. AUS mobilized an emergency response team to mitigate environmental damage from the
Diving Services on Icicle River
AUS provided diving services on the Icicle River near Leavenworth, Washington. AUS’ efforts are part of the Ecology’s Office of Columbia River and Chelan County aimed at water conservation. These efforts include improvements of water
Mixed Gas Diving at Hungry Horse Dam
AUS Diving was contracted to retrieve three pressure relief panels that had fallen from the Hungry Horse Dams withdrawal system. The Hungry Horse Field Office of the Bureau of Reclamation, is a key project in
AUS works to save the Madison River
Just before midnight Wednesday a replacement part was installed on a broken spillway gate on the Hebgen Lake Dam and flows to the Madison River downstream were quickly boosted. NorthWestern Energy announced the successful repair
AUS responds to fire at The Dalles Marina
THE DALLES, OR (KPTV) - Multiple boathouses were destroyed by a fire that started at The Dalles Marina late Saturday night (July 3rd, 2021). Mid Columbia Fire & Rescue says the first call came in
Kent Lake Reservoir, Marin County, CA
AUS divers inspected, repaired, and replaced a submerged aerator system on Kent Lake Reservoir. This included the instillation of a new inlet and vent lines on the submerged aerator system while also replacing mooring lines.
Sammamish Bridge Project, Kenmore, WA
On the Sammamish Bridge Project, AUS divers dredged, cut timber support piles, and rigged the bridge footings for removal on four different bridge piers. The purpose of footings is to support the foundation, prevent settling, and
Gene Wash Reservoir Bulkhead, San Bernardino County, CA
AUS divers installed a dewatering bulkhead and a hydraulically activated gate valve on the lower outlet structure at Gene Wash Reservoir. The dewatering bulkhead was installed by AUS divers at a depth of 150 feet.
AUS assists DNR with Derelict Vessels
Abandoned boat removal near Port Hadlock aims to mitigate environmental hazards Some 100 yards from shore on Tuesday crews began removing vessels submerged long ago. DNR focuses effort to remove derelict vessels in Jefferson County
Wells Dam Draft Tube Cable Replacement
Wells Dam, Douglas County PUD – Draft Tube Cable Replacement AUS was contracted to replace the Draft Tube Gate Cables in Unit 3. This work entails the entire dive crew and the PUD
Wanapum Dam Pipe Replacement
Wanapum Dam, Grant County PUD - Pipe Replacement Project As part of the ongoing Dive Services Contract with Grant County PUD, AUS provided dive support to install a bulkhead plate over the Raw
Cabinet Gorge Dam Fish Passage Project
Cabinet Gorge Dam, AVISTA Utilities – Fish Passage Project AUS was contracted to provide the underwater support to construct a dewatering structure so that the fish passage facility could be
Thompson Falls Dam Spillway Gate Rebuild
Thompson Falls Dam, Northwestern Energy – Spillway Gate Rebuild AUS was contracted to install and seal stoplogs to dewater the spillway gate. This allowed for maintenance, repairs, and painting to be performed on the
AUS Divers Inspect and Repair Tanks at Hanford Nuclear Power Plant
Associated Underwater Services. Inc. (AUS) recently inspected and repaired two area 400 tanks at the Hanford Nuclear Power Facility. RICHLAND, Wash. – EM Richland Operations Office
AUS Assists with City of Seattle Pier 58 Collapse
In a joint effort with Orion Marine, AUS divers were able to safely salvage James Fitzgerald's "Waterfront Fountain" from the rubble of the Pier 58 collapse. Pier 58 located in downtown Seattle; WA better known
Long Lake HED Plant Upgrade – Sonar Services
As part of the Long Lake HED Plant Upgrade Project, AUS was contracted to survey the four draft tubes and the tailrace floor. To perform the survey, AUS utilized a multi-beam sonar system for the
Remote Alaska ROV and Multibeam Survey
AUS was contracted to perform underwater video inspection on the remote island of Sheyma. The inspection included but not limited to, remote operated vehicle inspection of the dock facility, sonar mapping of damage and debris
Lady Grace Salvage
The Washington State Department of Natural Resources Derelict Vessel Removal Program awarded AUS the contract to remove an 80-foot commercial fishing vessel from the Hoquiam River in Southwestern Washington. The 90-year-old Lady Grace sank on
Wrangell Ferry Terminal Improvements
August 2013 Associated Underwater Services was subcontracted by Pacific Pile and Marine to perform underwater maintenance on the Wrangell Ferry Terminal in Wrangell, Alaska. This consisted of two phases, the first phase was an ROV
The Lancer Salvage
AUS was contracted to salvage the Lancer, a 27ft. 2499 ME Sailboat in Sinclair Inlet, Washington. AUS divers excavated designated areas surrounding the vessel’s hull in order install messenger lines. The divers then used the
Boundary Dam Crack Repair
October 2019 Associated Underwater Services was contracted through a Master Services Agreement with Seattle City Light to repair a crack that AUS divers had previously discovered during an inspection at Boundary Dam. AUS divers repaired
Lake Mead 3 Bulkhead Inspection
January 2020 AUS provides Bulkhead inspection services at the Lake Mead 3 Low Level Pumping Station. The inspection was done by utilizing the VLVB ROV. The ROV unit eliminated the need for deep water
Southway Access Boat Launch Inspection
December 2019 AUS was contracted to perform an inspection on the Southway Access Boat Ramp in Lewiston, Idaho. The purpose of this inspection was to identify the overall condition of the boat ramp and to
Central Premix Clamshell Recovery
January 2020 Central Premix operates their cranes in the Spokane Aquafer 16 hours per day to remove gravel from the aquafer to use in their cement mixture. One of the Clamshell buckets on a crane
181B Wetwell Bulkhead Replacement
January 2020 AUS was subcontracted to perform the diving portion of the 181B Wetwell Bulkhead replacement. Upon removing the trashracks, AUS divers discovered concrete overpour which had to be removed using a rock drill.
West Bay Marina Yacht Salvage
January 27, 2020 The Kings Way 1, a 92’ Grafton Boatworks Expedition Trawler sunk in the West Bay Marina located in Olympia, WA. AUS provided a dive team to attach all of the necessary rigging
Allstate Sailboat Salvage
AUS was recently hired to salvage a 38-foot Tai Chio Sailboat at a marina near Pasco, WA. The vessel was damaged in a winter storm and sank at her berth. The vessel was totaled by
Anchor Chain Recovery/Salvage
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
Water Intake Modification
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
I 90 Floating Bridge Anchor Cable Replacement
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,
Lake Mead Bulkhead
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
Wilsonville Wastewater Treatment Outfall Replacement
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
Marine Construction Projects
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
Snake River Loveridge Bridge Removal
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
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.
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
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
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
Twin Falls Powerhouse
August 2013 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.
Ryan Dam
In the winter of 2014, AUS spent 10 weeks in Great Falls, Montana, overhauling the waste gates at Ryan Dam. The crew removed the gates and gate stems, installed new gate guides, and replaced the
Twin Falls Hydro ROV
ROV Station at Twin Falls Associated Underwater Services, Inc. (AUS) conducted a Remotely Operated Vehicle (ROV) survey of Twin Falls Power Plant tail race at the Snoqualmie River near North Bend, WA. The
520 Floating Bridge
After nearly six years of construction, AUS is proud to announce the opening of the new highway 520 floating bridge across Lake Washington. The new route 520 bridge is the world’s longest floating bridge at
Spokane River “Barge Cleanup”
Fall 2015 Striving to improve the water quality of Spokane’s River, the City of Spokane and partners created a project known as the “barge cleanup”. The river cleanup was part of a series of events in
ROV Penetration Inspections for the Northern Water Colorado Water Conservatory
ROV Penetration Inspections of: Farr Pump Plant, Willow Creek Intake, and Grand Lake Intake Farr Plant Intake Inspection AUS conducted the Farr plant intake inspection which required the internal and external inspection of the intake structure
Nine Mile Dam Project
AUS had multiple dive teams working on the Nine Mile Dam project. The underwater work is part of a large refurbishment project for Avista corporation. AUS performed underwater operations including wall sawing, core drilling, welding, burning, anchor
Blue Lake Dam Expansion Project- Sitka, Alaska
2013-2014 The Blue Lake Dam Expansion project required the removal and replacement of trash racks, bulkhead gates, and bypass valves. There was also a large amount of debris to be relocated. AUS divers used their
Rehabilitation
Rehabilitation at Snoqualmie FOR FANS OF THE EARLY ‘90s serial television drama, “Twin Peaks,” Snoqualmie Falls is instantly recognizable from the show’s iconic opening sequences. But for the nearly two million visitors the falls receives
Diablo Dam
Maintenance work on Diablo Dam on the Skagit Hydroelectric Project required a shut down of the turbines and some rare water spilling from the dam. In addition it required a good deal of heavy lifting.
Snoqualmie
Associated Underwater Services (AUS) continues to assist to Barnard Construction of Bozeman, Montana with the rehabilitation of the historic and still functioning underground hydroelectric facility at Snoqualmie Falls. Read Full Story
San Vicente Dam
AUS worked closely with Barnard Construction, providing the operational marine support required for installation of the 450-ton Lower Level Outlet Works cofferdam assembly. Services included pre construction survey, including bathymetric profile and dam face profile, assembly
Lake Mead Intake No.3
Lake Mead Intake No. 3 Southern Nevada Water Authority | 2010-2014 AUS is an integral part of the marine operations team for Lake Mead No.3 providing experienced personnel and state of the art equipment for
AUS Partners With Barnard
Snoqualmie Falls Cofferdam Construction a Feat in High Water Constructing cofferdams in moving, high water poses challenges, we’ve found. Western Washington’s “dry season” wasn’t so dry this year. June 1 marked the opening of our
Oak Creek
AUS was an integral part of the marine group supplying personnel and equipment for the Oak Creek project. Download Oak Creek Project PDF
Snoqualmie Falls Hydroelectric Plant Rehabilitation
Snoqualmie Falls Hydroelectric Plant Rehabilitation Snoqualmie Falls Washington: Associated Underwater Services (AUS) continues to assist to Barnard Construction of Bozeman, Montana with the rehabilitation of the historic and still functioning underground hydroelectric facility at Snoqualmie
Wanapum Dam Stabilization
One month ahead of scheduled completion date, divers from AUS completed the installation of 585 concrete stop logs weighing 60 tons each at Wanapum Dam. The dam is located on the Columbia River, 6 miles
Pier 57 Rehabilitation
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,
Borman Park Intake
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
South Bay Ocean Outfall San Diego, California
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
Lake Mead No.2 – Water Intake
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
Blue Ridge Dam Lake Tap
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
Lower Granite Dam RSW Removable Spillway Weir
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
Brightwater Conveyance System
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
Round Butte Dam – Selective Water Withdrawal
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
Sunken Vessel Inspection Pago Pago Harbor, American Samoa
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
Elm Road Generating Station Wisconsin Electric Power Company
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
BP Cherry Point Refinery Piling Inspection and Repair – Annual Contract
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
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
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
American Samoa Utulei Outfall
2007 This project required AUS divers to replace a corroded flange backing ring and also replace three damaged diffuser ports at a maximum diving depth of – 160 feet. The repairs were successfully made without
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.
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
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