Creating a Solution That's Built Just for You

We’re ready to help you address your needs, not provide a solution that has solved someone else’s problems. Each project you see here is tailor-made with an eye on efficiency, function, and cost. This collection of our work is just a sample—if you don’t see what you’re looking for, don’t hesitate to contact us.

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Hebgen Dam Outlet Rehabilitation

Gallatin County, Montana

NorthWestern Energy hired Morrison-Maierle to conduct a feasibility study and rehabilitation design for the Hebgen Dam Outlet Pipe.

Mystic Intake Gate Replacement

Beartooth Mountains

Morrison-Maierle provided an engineering design and construction strategy to replace the intake gate at the Mystic Lake hydroelectric project at the remote Rowe Dam in the Beartooth Mountains.

Mystic Lake Flowline and Trolley Bridges

Absarokee, Montana

Morrison-Maierle provided engineering services for design and development of construction documents for the new steel trestle bridges along the Mystic Lake flowline hydroelectric project.

Holter Dam Spillway Concrete Repair

Wolf Creek, Montana

NorthWestern Energy hired Morrison-Maierle to help with the Holter Dam’s spillway concrete repair. Holter Dam is a 1,364-foot-long and 124-foot-high concrete embankment dam on the Missouri River.

Morony Dam Spillway Modifications

Cascade County, Montana

Morrison-Maierle provided procurement specifications for the new gates, hoists, heated guide system, construction sequencing for the spillway and pier modifications, and hoist house enclosure design.

Thompson Falls Radial Gates

Thompson Falls, Montana

NorthWestern Energy hired Morrison-Maierle to develop a plan to increase gated spillway flow capacity on the main dam at the Thompson Falls Hydroelectric Project.

Madison Hydroelectric Plant Powerhouse

McAllister, Montana

Morrison-Maierle was the design engineer for the civil improvements to replace the 4 original 100-year old turbine and generator units at the Madison Hydroelectric Plant Powerhouse.

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