Runestone Community Center

Holmsten Ice Rinks manufactured and installed the original ice system for the Runestone Community Center in 1976.  The 33-year-old system served the facility well, but increased repairs to the concrete rink floor and maintenance to the refrigeration system prompted the City to replace the existing ice system.

B32 applied a step-by-step approach to the project starting with a detailed discussion of options for renovating or replacing the existing ice system.  This included whether to continue using R-22 refrigerant or switch to ammonia or other new blended refrigerants.  Estimated costs and energy savings were reviewed and discussed.  In the end, it was determined that the best option was to replace the existing direct refrigeration system with an indirect R-22/calcium chloride refrigeration system.

Considering future needs, the City also approved upsizing the refrigeration system now to either connect the existing second ice sheet, when the current refrigeration system needs replacement, or serving a future third ice sheet.  The future savings range from $200,000 to $350,000.  Another unique feature of the new design includes recycling snow melt pit water for the condenser system saving more than 385,000 gallons of water use per year.

B32 experience with renovation projects was beneficial in laying out the new ice equipment and providing a separate room for the main electrical service all within the existing footprint of the original mechanical room.