Virtual Design Construction

IMCO Construction invests dedicated resources in virtual design construction technology to support project delivery, efficiency, safety, and planning. The virtual design construction process integrates design and planning, and improves schedule and communications. Construction teams benefit from in-house data procurement and processing, laser scanning, and the ability to marry as-built data with 3D models, especially critical for retrofit construction.

Douglas County Hydrogen Production Facility

Current Project

Douglas County PUD contracted IMCO Construction to build Washington State’s first large-scale hydrogen production facility, which will use water and power from the Wells Dam facility to produce hydrogen through an electrolysis process. Hydrogen does not emit carbon and...

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Hemingway Energy Storage Civil Development

Current Project

IMCO constructed two battery energy storage systems (BESS), the first in a series of projects providing the first utility-scale storage systems in the state. The 520 20,000-pound batteries can store 123 megawatts of power. IMCO work included site preparation,...

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Site Work and Foundations at Black Mesa BESS

IMCO Construction performed site preparation, cast-in-place concrete foundations, and set the batteries for a new 40-megawatt battery energy storage system. This is part of the client’s goal to build 1,700 megawatts of battery storage by 2040. The team expedited this...

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Datacenter Infrastructure Project

IMCO Construction was contracted hired by General Contractor Hensel Phelps to perform the earthwork, water and wastewater utilities, and pond liners for a client’s datacenter in Kuna, Idaho. The East Kuna Off-Site Infrastructure scope of work includes construction of...

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Wastewater Treatment Lagoon Expansion

Located in the beautiful foothills northwest of Boise, the town of Eagle is experiencing rapid growth and expansion. IMCO expanded the existing wastewater treatment system with two new aerated lagoon cells and two new settling lagoon cells, resulting in...

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Lewiston Water Treatment Plant Progressive Design-Build

The Lewiston water treatment plant retrofit project has been recognized by the DBIA with a National Award of Merit in the water/wastewater category. IMCO’s progressive design-build team used a creative approach to construction, employed the benefits of the progressive...

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Mukilteo Ferry Terminal

The Mukilteo-Clinton ferry route connects Whidbey Island to the Seattle-Everett metropolitan area, the system’s busiest route for vehicle traffic and the second highest in annual ridership, with over four million total riders annually. The new terminal won many design...

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Meydenbauer Beach & Marina Revitalization

This contract included restoration work for both the developed and undeveloped areas of Meydenbauer Beach Park and Bellevue Marina. IMCO constructed a pedestrian pier and a beach house with restrooms, a lifeguard station, covered outdoor spaces, and natural landscaping...

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North Bend I-90 Concrete, Deck, Culvert Rehabilitation

IMCO Construction made improvements to eastbound 1-90 by replacing select cement concrete panels and shoulders, cement concrete pavement grinding, bituminous pavement grinding, and paving with HMA. Three westbound bridge decks and one eastbound bridge deck were rehabilitated by scarifying,...

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Holden Mine Legacy Construction

Rio Tinto continued to increase IMCO’s scope of work, a testament to the excellent work that the IMCO Holden crew performed at this remote jobsite location. This work took incredible teamwork and dedication.IMCO performed upgrades at the Holden Mine site and...

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Yesler Bridge Rehabilitation

The Yesler Bridge Rehabilitation Project, Yesler Way over 4th Avenue S, was also warded the 2019 ACEC Engineering Excellence, National Silver Award for Structural Systems, multiple APWA awards, and the 2018 ENR Northwest Best Renovation/Restoration project. IMCO Construction rebuilt...

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Holden Mine Water Treatment Plant

IMCO constructed a new mine water treatment plant at the site of an abandoned copper mine in remote central Washington, near Lake Chelan. IMCO’s client, global mining giant Rio Tinto, is responsible for the clean up of the mine...

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I-90 Two-Way Transit & HOV Operations

In early 2015, IMCO Construction began work on this federally funded highway project in Seattle, Washington valued at over $120 Million. The contract was phase 3 of a three-phase $220 Million project to provide significant improvements to regional mobility,...

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Oso Landslide SR 530 Clearing

Following the catastrophic Oso, WA landslide that covered a mile of the roadway in Northwest Washington, IMCO crews worked around the clock to complete this contract for WSDOT in under a month. The scope included the very careful removal...

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Tacoma Central Treatment Plant Flood Protection

The primary component of the project involved installing 2,500 lineal feet of sheet pile floodwall around the Southern and Northern portion of the City of Tacoma’s Central Wastewater Treatment Plant. The contract also involved construction of five floodgates, three...

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Priest Rapids Hatchery Renovation

The Priest Rapids Hatchery Renovation project provided extensive upgrades to an existing hatchery to improve reliability and ease operation, maintenance, and monitoring of Chinook salmon rearing.   All construction work had to be strategically phased to avoid impacts to the...

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Shelby Multimodal Hub Center Project

IMCO oversaw construction of a federally funded railroad project for the City of Shelby and the Northern Express Transportation Authority. This effort represented the fourth and final phase of a major regional railroad upgrade that relocated a small BNSF...

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Everett Water Pollution Control Facility Expansion GCCM Project

IMCO was the general contractor and construction manager (GCCM) working with Carollo Engineers to add nearly 30% plant capacity. The facility treats wastewater from the cities of Everett, Mukilteo, Alderwood, and Silver Lake to keep the local rivers, lakes, and...

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Boeing Company 40-56 MOP 3 Design-Build Project

IMCO is proud to provide design-build services for this world-class company on this industrial infrastructure contract. The project provided new structural, architectural, mechanical, and electrical systems to support the installation of a new Multiple Opening Press (MOP). The logistics...

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Anacortes Water Treatment Plant

This project constructed a new 42 million gallon per day water treatment plant for the City of Anacortes. The new treatment facility treats water from the Skagit River and serves the 56,000 customers in the City of Anacortes, La...

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Port Angeles Phase 1 CSO Project

IMCO used innovative methods to reuse existing infrastructure in order to construct a new combined sewer overflow project for the City of Port Angeles. The Project was part of the City’s approved CSO Reduction program to increase storage capacity...

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