Design-Build

IMCO Construction provides extensive design-build services, partnering with the best engineering firms in the industry to deliver unparalleled collaboration and effectiveness for multifaceted projects. IMCO Construction teams bring experience that benefits the design and preconstruction phases of the project lifecycle and understand how to work together with diverse stakeholders to achieve high value solutions.

Tacoma Sewer Utility Replacement Design, Planning, and Construction

Current Project

IMCO Construction and designer Carollo are partnering to replace sewer utilities for the City of Tacoma, performing preconstruction services, evaluating options to determine the best alignment for new large-diameter pipe and a strategy for the re-use of existing pipeline...

Progressive Design-Build Everett Water Filter Plant Upgrades

Current Project

The City of Everett owns and operates a water filter plant and regional water distribution system that serves more than 675,000 customers daily. The water filter plant was originally constructed in 1983 and now has aging infrastructure elements in...

dam on green water surrounded by dirt landscape

Bliss Dam Spillway Repair

IMCO completed remediation work at a hydroelectric dam near Bliss, Idaho. The facility, built in 1950 on the Snake River, required improvements to an area downstream of the spillway to prevent erosion. This design-build project focused on safety and...

Mountain Home Air Force Base Water Resilience Project

IMCO teamed with Stantec on this design-build project to convey water from the Snake River up to a new water treatment plant at the Mountain Home Air Force Base. An intake in the Snake River with three vertical turbine...

Lewiston High Reservoir Repairs

On January 18, 2023, the City of Lewiston’s 100-year-old potable water reservoir ruptured. The escaping water caused considerable damage to the earthen berm, sloped concrete liner, and cover structure. The City reached out to IMCO and Stantec to design and perform...

Darigold Boise Plant Upgrades

Over multiple contracts, IMCO made significant upgrades to Darigold’s Boise wastewater treatment plant. In early 2022, Darigold selected IMCO for a design-build contract to construct a new dissolved air flotation (DAF) system to further treat and improve the plant’s...

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...

Holden Mine Legacy Work

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...

Renewable Energy Corporation Expansion Program

IMCO Construction performed all the earthwork, utilities, and structural concrete phases for the construction of a $1 billion polysilica plant for REC. IMCO accrued over 1,000,000 labor-hours throughout the REC Expansion Project with no lost time injuries through a...

people in hard hats and vests looking up at helicopter setting equipment on building

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...