In April of 2009, Corval Group completed a $3.1MM project adding a steam line from the Energy Center in downtown Minneapolis to the site of Target Field. This project included installing condensate polishing and control telemetry systems. Corval Group worked on a $1.2MM Prime Mechanical Contract for the Hennepin Energy Recycling Center (HERC) Site Snowmelt Mechanical System. This project was complete August of 2014. The scope of work included installation of hydronic heating system which provides a hot water/glycol mixture to the Interchange Project (Corval completed the Interchange Project of March 2013).