Specialty: Specialty Contracting

Corval was the refrigeration contractor responsible for installation of a complete refrigeration system at Dold Foods’ new 150,000 SF refrigerated warehouse, where pre-cooked bacon is produced for commercial customers. The scope of work included a complete compressor and engine room, (5) high side compressors, (3) low side compressors, (12)...
Corval was awarded the interior and exterior construction packages to provide chilled water from the NRG Main Plant to US Bank Stadium. The interior package consisted of coordinated tie-ins at the main plant and approximately 600’ of welded 24” pipe. Once complete, the exterior package was begun from the...
Corval Group was the prime mechanical contractor for all plumbing and HVAC modifications to the Riverside Plaza Renovation and Stabilization project. This massive project undertook moving hundreds of people to coordinate various construction projects in tight deadlines and difficult working conditions. The nearly 40 year old buildings renovated in...
Corval has been a strategic partner of Bellisio (formerly Michelina’s, formerly Luigino’s) for more than 30 years. Over this time Corval as completed installation, upgrades, and expansions of three (3) separate machinery rooms that service over 5,000 TR of room cooling and process cooling systems with two stages systems...
Corval provided the complete design-build refrigeration system for Northern Star Company’s new processing facility located in Chaska, MN. Corval designed and installed the new refrigeration system from the ground up. System highlights include a total system capacity of 2,140 TR with two suction levels and six (6) twin screw...
Corval is providing general contracting and mechanical construction services at Cargill’s Cocoa & Chocolate Process plant. The bean-to-bar facility, constructed in the 1970s, is where Cargill cleans, sorts, roasts, and grinds raw cocoa beans to produce bar chocolate. Corval’s scope includes small projects and maintenance of conveyors, pug mills,...
Corval was the HVAC and piping contractor on General Mills Project Saturn, in Albuquerque, NM. Our scopes included installation of a new ammonia refrigeration skid, engine room piping, and the HVAC scope. Our work also included installation of steel, roofing, insulation, painting and controls. The project included several extended-weekend...
Corval was contracted for upgrades to the packaging area of the CHS, Inc. facility located in South Sioux City, Nebraska. This project included the installation of new equipment to supply food safe finished product at an increased rate of 12,000 lbs./hr and involved the replacement of existing processing equipment....
Installation of equipment skids, piping racks, and connection piping for new chilled water and chilled glycol system. Setting of three manufactured ammonia chiller skids along with pre-fabricated chiller building pump skids and piping racks. Chiller skids weighed upwards of 60,000# and single header rack weighed 80,000#. Setting and weld...