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The Olvmpic Sized Rink <br />1. The Munters desiccant wheel and enthalpy wheel have significant signs of deterioration. <br />Recommendation: <br />Option 1: Replace desiccant wheel and all required seals. <br />ProbableCost ...................................................................................... ............................... $25,000.00 <br />Option 2: Replace both desiccant and enthalpy wheels. <br />ProbableCost ...................................................................................... ............................... $40,000.00 <br />Option 3: Replace unit with similar unit. <br />ProbableCost .................................................................................... ............................... $200,000.00 <br />2. The Munters unit has seven (7) standard efficiency motors that are close to the end of <br />their service. <br />Recommendation: If Option 1 or 2 from Items 1 is selected, replace motors with premium <br />efficient motors <br />ProbableCost ...................................................................................... ............................... $15,000.00 <br />3. The interior of the unit is dirty. <br />Recommendation: If Option 1 or 2 from Item # 1 is selected clean unit. <br />ProbableCost ........................................................................................... ............................... $750.00 <br />4. The radiant heaters are close to end of their service life. <br />Recommendation: Replace radiant heaters. <br />ProbableCost ...................................................................................... ............................... $30,000.00 <br />5. The rooftop unit condenser coils are damaged causing the cooling function to be less <br />efficient. <br />Recommendation: Comb out fins and clean unit. <br />ProbableCost ........................................................................................... ............................... $750.00 <br />6. One (1) of the locker relief vents is located too close per code to the make -up air units <br />outdoor air intake. <br />Recommendation: Extend duct away from the unit to maintain a minimum of 10' -0" <br />from intake wall. Rotate all gooseneck away from exterior wall <br />ProbableCost ........................................................................................... ............................... $750.00 <br />7. There is not a building automation system that would maintain and control the Heating <br />and Cooling systems from a central work station. <br />Recommendation: Provide web based building automation system that could be <br />accessed remotely to monitor systems and change settings. <br />Probable Cost ......................................... ............................... .....................$50,000.00 - $150,000.00 <br />Page 3 <br />Mechanical /Electrical Consulting Engineers <br />1 750 Commerce Court ♦ White Bear Lake, MN 55110 ♦ Phone (651) 748-1100 ♦ Fax (651) 748 -9370 <br />