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Specialty: Specialty Contracting

Hiawatha Towers – Renovation & Stabilization

Corval was the prime mechanical contractor for all plumbing modifications to the Hiawatha Towers renovation project. This project took 2 years and required coordination between the customer and the residents to ensure a smooth and safe project. The project consisted of replacing the plumbing and fin-tube radiation covers for...

Hennepin County Medical Center – HCEC Connections

Corval was the general contractor in charge of connecting the new Clinical Specialty Center’s heating and cooling system to HCMC’s existing central heating and cooling distribution plant and system, including high-pressure steam piping, and running through the hospital’s interstitial space before dropping down the CSC tunnel. We performed the...

Hennepin County – Chiller Maintenance

Corval has a maintenance agreement with Hennepin County to perform annual and monthly maintenance and service to 33 chillers at 18 different locations....

Honeywell – Expansion

Corval was the general contractor for the expansion of existing office space to accommodate additional 2,400 SF of ISO-6 cleanroom laboratory space. Work included multiple trades to install a plascore wall system and orbital welding for high purity cleanroom bench piping systems. We self-performed demolition, mechanical piping, sheet metal...

Interchange Plaza

Corval Group used their expertise to perform design assistance and installation of mechanical, plumbing and controls for a 120,000 SF snowmelt system, rain/snow capture drainage system, District Energy tie-ins and Plumbing/Mechanical installation for this four-acre site development. Target Field station includes a 64,000 SF plaza, an amphitheater, light rail...

City of North Las Vegas – Waste Water Treatment Plant

Corval was the prime mechanical contractor for this Waste Water Treatment facility project, installing of 40,000 ft of pipe ranging in size from 1” to 60” including stainless steel, carbon, ductile, iron, and PVC. We also installed all major equipment, including coarse and fine screens, grit washers, screen conveyors,...

Platte West Water Treatment Facility

Corval Group was the construction manager for this new 100 million gallon potable water treatment facility in Omaha, Nebraska. Corval provided supply and installation of all above ground carbon steel mortar and polyurethane lined process piping, ductile iron process piping, and small bore process piping. Carbon steel piping ranging...

Tesoro

Corval has been the general contractor for Tesoro since 2013. During this time, Corval has completed over 150 projects. Projects have included self-performed concrete, piping, structural steel and equipment setting, and annual maintenance service contracts to support small capitol and maintenance projects for Tesoro....

Dakota Gasification Company

Corval performed various capital projects at the Dakota Gasification Company Synfuels Plant facility in Beulah, ND. The disciplines of these projects included civil engineering, mechanical engineering, and HVAC construction. Support Structure: Corval was the general contractor for this Support Structure project. The scope of work included removal of the...
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