News

PROJECT AWARDED – Bonneville Dam Powerhouse 2 Oil/Water Separator

In March this year, Northbank Civil and Marine, Inc. was awarded the Bonneville Dam Powerhouse 2 Oil/Water Separator project for $5,943,700.00.

The work consists of the installation of two new oil water separators in the existing ice and trash chute at Bonneville Dam Powerhouse II, installation of piping to the new oil water separators from the head cover pumps for all generating turbines including the fish units on the north end of the powerhouse. Work will start onsite July 2019 and be completed in early 2020.


PROJECT AWARDED – McNary Dam Fish Outfall Pipe Emergency Repairs

In January, Northbank Civil and Marine, Inc. was awarded the emergency repair for the McNary Dam Fish Outfall Pipe for $351,950.00.

We successfully completed of removing the damaged portions of walkways, replacing grout pads and anchor bolts, removing damaged portions of sprinkler system, securing remaining walkways, and adding a navigational sign and light on the end of the outfall. All work had to be completed by the end of February.


Project Awarded – Detroit Dam Tainter Gate Rehabilitation

Northbank Civil and Marine, Inc. was recently awarded the Detroit Dam Tainter Gate Rehabilitation project for $13,075,000.

The work consists of the rehabilitation of 6 tainter/spillway gates. This includes structural strengthening the gates, full replacement of the all the gate hoist equipment, replacement of the trunnion bearing systems, and replacing the switchgear, limit switches, lighting and gate control systems. Onsite work will begin in 2019 and are scheduled to complete 3 gates per season (October 15 through January 31 annually) with the project end date in 2022.


Project Awarded – Lower Granite Dam PIT Tag Monitoring Installation

Northbank Civil and Marine, Inc. was just awarded the Lower Granite Dam PIT Tag Monitoring Installation Design-Build project for $5,711,972. Design will start immediately and onsite work is scheduled to begin in September 2018.

Work consists of modifying spillbay 1 and installing 11 new PIT Tag monitoring antennas (to monitor juvenile fish passage) into the spillway ogee. Requires partial concrete demolition of the spillway ogee and embedding the new antennas into the concrete and pouring concrete over the top. Also includes installation of the monitoring building, equipment and control system next to the spillbay.


Project Awarded – Blue River Dam Generator Replacement

Northbank has been contracted to provide and install a new 100 kW backup generator enclosed in a new pre-engineered building at Blue River Dam in Blue River, OR. The new generator building will house the primary distribution panels for the service feed and will provide the Intake Water Tower Regulating Outlet Motors and the Dam’s Spillway Gates with power. Major construction activities include: New Electrical Ductbank, Design and Install Concrete Foundation and Apron, Design and Install CMU Wall, Install High Security Fence, New Electrical and Control Panels and related equipment, and Old Equipment Demolition. Construction is slated to begin Spring 2018 and will be completed late Summer 2018.

Project Awarded – The Dalles Locker Room

This design-build project will involves the installation of a 1000 square foot locker room inside an existing dam. Features of work include steel structure installation, plumbing, electrical, HVAC systems, and finishes. NCM has subcontracted with two design firms to complete the plans and specifications for the project. Design and substantial completion will occur within a short six month window.

Project Awarded – Lower Monumental Dam Drainage and Unwatering Pump Replacement

This is a $4.7 million project that includes removing and installing new low voltage and medium voltage motor control centers and large unwatering & drainage pumps, and installation of an oil water separator system all inside the powerhouse at Lower Monumental Dam. On site work is set to start in October of 2018 and scheduled to be completed by Spring of 2019.

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