Industry: Public and Institutional

Corval Group was the general contractor, in collaboration with RSP Architects, for a 16,000 square foot building addition with a 12,000 square foot remodel of the existing facility. Highlights of this project included a new fitness center, art room, band & choral facilities and a face lift of the...
Corval was the general contractor for the addition and renovation to Johnson Senior High School. The project added new offices and meeting spaces for staff and faculty, new restrooms in all common areas of the school, and new classroom space on the second floor. The renovation included re-roofing the...
Corval was the general contractor for the Hastings Middle School improvements project, which included the complete replacement and upgrades of the entire mechanical system. The entire school’s HVAC and piping systems were updated with new units and piping throughout, along with a total locker room remodel and complete plumbing...
Corval was the general contractor for a new pre-cast addition and renovation for the Minneapolis Pipefitters Joint Apprentice Training Committee (JATC) Training Facility. The completed project included new lab spaces, renovated offices, new restrooms and classrooms, a mezzanine added to the existing building, a new service elevator, geothermal and...
Corval installed a new piping system for the City of Duluth, switching it from a city steam system to a city hot water system. We took the 18” supply and return piping from tie-ins located outside the main steam plant and ran the remaining piping into the plant through...
Corval Group was the prime contractor for the replacement of the HVAC and electrical systems for St. Paul Public Schools. The work included new RTU’s,AHU’s, Air Cooled chilller, VAV’s & FTR and electrical service....
Corval has a maintenance agreement with Hennepin County to perform annual and monthly maintenance and service to 33 chillers at 18 different locations....
Corval was general contractor for the mechanical system renovation at Totino-Grace High School. The project added chilled beams in the classrooms, a new chiller and dry cooler, a new air handling unit for the chilled beams, and new controls/automation, along with upgraded classroom lighting and kitchen ventilation system. The...
Self Performing general contractor for the school mechanical systems upgrade project. Corval Group self performed over 65% of the overall project labor utilizing six different core Corval trades, as well as managing 17 different subcontractors to bring the project in on schedule. The project included demolishing the existing heating...