Projects

Dive Control Vans


Olmsted Lock and Dam

US Army Corps of Engineers (2008)
Furnishing equipment and labor for diving and diving-related services in support of the contractor’s Olmsted Dam construction effort.

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Cheesman Dam Upstream Control Project - Phase 1

Denver Water (2010)
Project management for control structure, electrical upgrade throughout site and diving services to install three new outlet gates on face of dam.

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Mercer Island Sewer Line and Pump Station #4 Replacement

City of Mercer Island (2009)
Providing diving support for replacement of over 7,000 feet of sewer pipe in Lake Washington.

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BART Transbay Tube Support

Bay Area Rapid Transit District (2010)
We are providing diving assistance for the replacement of 14 anode array assemblies used for the protection of the BART Transbay Tube.

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The Dalles Bay 8/9 Spillwall

US Army Corps of Engineers (2008)
Provided diving services to assist with the installation of a wall to direct migrating salmonids to deeper water.

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Pit 5 Instream Flow Release Modifications

Pacific Gas & Electric (2009)
Global Diving & Salvage, Inc. provided underwater and surface welders to install 9 outlet gates inside the Pit 5 four existing gates.

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Hood Canal Bridge Replacement

Washington State DOT (2009)
Diving and ROV services to connect anchor cables to new concrete anchors.

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Historical Tug USS Wenonah

United States Coast Guard (2009)
The WWII-vintage tug USS Wenonah sank at her berth; we then raised her with the assistance of the Left Coast Lifter.

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Carkeek/Richmond/Alki Outfall Repair - Alki

King County - Wastewater Treatment Division (2009)
Upgraded the cathodic protection system on Alki outfall, and installed five anode sleds in 100 feet of water.

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Robson Bight Salvage

Ministry of Environment, British Columbia (2009)
Deep-water recovery of a fuel-laden tanker truck and a container of assorted oils from the waters of the Robson Bight Ecological Reserve.

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Boat Ramp Upgrade

Conoco Phillips Ferndale Refinery (2008)
Removed existing woodpile-supported boat ramp, and replaced with new steel piling and galvanized steel frame and track components.

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Bradford Island Contaminated Sediment Removal

US Army Corps of Engineers (2007)
Provided marine support and diving services involved in the hand dredging of PCB-contaminated sediment.

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Priest Rapids Dam Spillway Apron and End Sill Underwater Concrete Repair

Grant County PUD (2006)
Repaired several areas of the ogee, stilling basin, and end sill of Priest Rapids Dam.

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French Meadows Low-Level Outlet Cylinder Replacement

Pacific Gas and Electric (PG&E) (2006)
Replacement of a leaking hydraulic cylinder used to operate an outlet gate.

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Natural Gas Pipeline Replacement

Pacific Gas and Electric (PG&E) (2006)
Assisted with the removal and realignment of 1,000 feet of 10-inch natural gas pipeline, due to new Bay Bridge footing installations.

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