The project included concrete demolition via hydro-demolition, and installation of a new concrete corbel in the Gatewells of Powerhouse 2 intake bays.

This project occurred during the 2020-2021 Columbia River in-water work window.

Ice Harbor Dam Headcover and Oil Water Separator Project consisted of installation of a stainless steel header pipe that will carry oil-in-water from each power unit to the sump room where three Gravity Oil Water Separators

This project for Eugene Water and Electric Board (EWEB) included the complete removal, refurbishment and select replacement of the mechanical and electrical equipment.

Howard Hanson Dam project consists of retrofitting 2 spillway gates.

The work consisted of the installation of two new oil water separators in the existing ice and trash chute at Bonneville Dam Powerhouse II

The scope of this contract consisted of installing Adaptek Disc Pumps with vertical base mount and VFD drive.

This $7 million project consisted of designing and installing 11 new PIT Tag monitoring antennas into the existing spillway ogee.

The work consists of the rehabilitation of 6 spillway gates.

This $1.25 million project included removing the existing damaged outfall and installing a new 42” diameter concrete coated welded steel pipe outfall with 5 port diffusers.

The work consisted of replacing the drainage and unwatering pump systems with associated piping and motor control centers in the drainage gallery of all the power generating units.

This project involved the repair of existing bridge anchorages at two piers, removal of an expansion joint gutter system and installation of a new rain water diverter system.

This Design-Build project required design, fabricate and installing dual hoist (15-TN each) wheeled trolley crane that runs on the existing emergency gate hoist rails.

This project required the demolition of a concrete gantry crane atop Foster Dam in Sweet Home, Oregon.

NCM performed work at Little Goose Lock and Dam that included the installation of a boat barrier system and trash shear boom above the dam.

Hood Canal connects the Olympic and Kitsap Peninsulas. At 7,869 feet (2,398.5 m) long, (floating portion 6,521 feet (1,987.6 m)) it is the longest floating bridge in the world located in a saltwater tidal basin, and the third longest floating bridge overall.

The scope of this contractor was isolated to the Lower Monumental Dam’s Navigational Lock Tainter Valve No. 4.

The Dalles Navigational Lock Upstream Gate Replacement, Controls Upgrade, and Downstream Gate Gudgeon Replacement was awarded to Northbank on a best value basis.

Replace deteriorated pile caps and stringers at Terminal 1.

This purpose of this project is to upgrade the existing water piping that supplies the Fall Creek Adult Fish Collection Facility.

The short, 6-week long first season removed the 75-foot long, five span concrete deck bridge built in the 1930’s, and replaced it with a single span precast hollow core slab design.

This project consisted of demolition and removal of an existing reinforced concrete fish ladder and portion of an existing reinforced concrete diversion dam, spillway and headworks.

Lookout Point, located on the Middle Fork Willamette River, has five spill bays controlled by Tainter gates.