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Barn Mechanical Deficiencies and Recommendations <br />Note: The following recommendations are assuming that the building envelope issues will be <br />addressed. <br />1. The rink and spectator area does not meet current indoor air quality code because no <br />outdoor air is being supplied to the space. The Dectron dehumidification unit is under <br />sized for the space and year round operation. As it gets warmer outside the humidity <br />levels raise and the space becomes foggy. The higher humidity levels have also caused <br />damage to the building envelope. <br />Recommendation: Provide a dehumidification unit similar to the Munters unit at the <br />Olympic rink but sized for the smaller rink. This will provide dehumidification and outdoor <br />air that is required by code. <br />ProbableCost .................................................................................... ............................... $275,000.00 <br />2. The radiant heaters are ineffective and have outlived their service life. <br />Recommendation: Remove existing radiant heaters and provide with new heaters. <br />ProbableCost ...................................................................................... ............................... $20,000.00 <br />3. The gas fired furnace does not have the capacity to provide the code required <br />ventilation /make -up air for the spaces it serves. Code requires locker rooms have <br />exhaust and make -up air. <br />Recommendation: Provide energy recovery unit with a hot water coil and all required <br />controls and ductwork that would supply outdoor air for the locker rooms and occupied <br />spaces. <br />ProbableCost ...................................................................................... ............................... $45,000.00 <br />4. Code requires the Zamboni battery charging area to be exhausted. <br />Recommendation: Provide exhaust and make -up air system and control. <br />ProbableCost ...................................................................................... ............................... $15,000.00 <br />5. Code required Feron evacuation system. <br />Recommendation: Exhaust and make -up air and Feron detection control panel. <br />ProbableCost ...................................................................................... ............................... $25,000.00 <br />Page 2 <br />Mechanical /Electrical Consulting Engineers <br />1 750 Commerce Court ♦ White Bear Lake, MN 55110 ♦ Phone (651) 748-1100 ♦ Fax (651) 748 -9370 <br />