• Company Qualifications & Certifications
• Key Personnel Qualifications
• Safety
• Professional References

Northwest Underwater Construction, LLC is a privately held company, specializing in deep water construction, heavy marine salvage and nuclear, hydroelectric, industrial and environmental diving. With our wide array of inland and coastal diving experience we can offer our customers innovative and cost effective solutions to their particular needs.

Our goal as a company is to provide unsurpassed customer service, employ the most qualified personnel and to operate efficiently and in a safe manner. When you contract NUC for your underwater project you can expect the project to be completed on time, successfully and accident free.
Company Qualifications & Certifications
  Pre-qualified diving contractor with the Unites States Army Corps of Engineers. Northwest Underwater Construction has performed numerous operations for the Portland District. All operations have been performed on schedule, 100% accident free, and with outstanding quality control.
  Member in good standing with the Association of Diving Contractors
  First Aid / CPR Instructors
  NITROX Instructors
Key Personnel Qualifications
  ADCE Dive School Trained
  Association of Diving Contractor Mixed Gas Supervisors, Life Support Technicians
  National Board Certified Hyperbaric Technicians
  Non-Destructive Testing Certifications
  Federally Certified DOT Bridge Inspectors
  Underwater Welding Certifications for Mild and Stainless Steel
  40 Hour Hazmat Supervisors
  US Army Corps of Engineers Qualified Unlimited Diving Supervisors, Divers, Tenders
  NITROX Certifications
  02 Provider Certifications
  Search and Rescue Certifications
Safety
Diving operations are conducted in accordance with the Northwest Underwater Construction, LLC. "Manual of Safe Diving Practices" and appropriate federal, state and local regulations regarding commercial diving operations.
  Member of the Association of Diving Contractors
  Member ISNetworld, Safety Verification Program
  Member PICS Safety Audit Network
  United States Army Corp of Engineers Contractor
Professional References Available for the Following Projects
 
Project: Pipeline Installation
  Work Scope: Over 1000' linear feet of ductile pipeline construction, open trench, underwater, no visibility.
Project: Vancouver S.S. Outfall Tunnel Inspection and Repair
  Work Scope: Inspect 1600' tunnel (60" dia) and perform subsequent internal and external repairs to tunnel joints that had become offset/separated.
Project: John Day Dam Pier Nose Repair
  Work Scope: Cut broken concrete from pier nose and chip flush. Install steel
form work and pour concrete.
Project: Elochoman Dam Repair
  Work Scope: Repair dam section that failed and washed downstream. Structural steel, concrete, erosion control
Project: Lake Oswego Pumphouse Improvements
  Work Scope: Rock anchoring turbidity curtain into existing geological structures, installation of bulkheads and cofferdams. Underwater video surveying.
Project: Cougar Dam Interim Fish Trap Facility
  Work Scope: Build a fish screen facility across the spillway at Cougar Dam. Included HP water blasting existing rock footing, rock anchoring steel girders into existing footing and installing fish screens.
Project: Replace Corroded Intake Pipes
  Work Scope: Replace corroded 36" steel pipe, dresser couplings, butterfly valves, set bulkheads, welding and burning
Project: Grain Terminal Debris Salvage
  Work Scope: Recover debris lost in water during bridge crane collapse.
Project: Newport/Salmon Bay Sampling
  Work Scope: Perform soil sampling.
Project: Earthen Dam Standpipe Cut Down
  Work Scope: Excavate around 48" CMP standpipe and cut down to natural bottom, relieving head pressure.
Project: Sluice gate removal and installation of new gate unit w/ accuator and moorage unit
  Work Scope: Cut existing gate from underwater pipline and replace with new unit, design build new actuator structure with moorage capabilities
Project: PortaDam Construction
  Work Scope: Level river bottom around work site, set up A-frame structure, install dam liner, seal
Project: Ship Drydocking
  Work Scope: Check bilge blocks, keel blocks and omitted zones
 
 
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