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• More energy efficient facility <br /> • Meeting rooms <br /> The con of option four: <br /> • Cost <br /> It is my professional recommendation,which has been supported by industry-trusted engineers and <br /> designers,that the need to address our refrigeration systems must be a priority. The direct refrigeration <br /> systems we have in each rink were once the most trusted in the business. However, since the Montreal <br /> Protocol production ban on R22 refrigerants,parts are becoming harder to replace and the cost of the <br /> refrigerant has increased over 300%in just five years,up to $12 - $15 per pound. The direct system uses <br /> approximately 6,000 pounds per unit, so even a minor leak can cost thousands of dollars. <br /> ATTACHMENTS <br /> • Pro forma,option one <br /> • Pro forma, option two <br /> • Pro forma, option three <br /> • Pro forma, option four <br /> • Ehlers financing options memo <br /> Action Motion by Second by Vote <br /> Follow Up <br /> N:\Public Bodies\City Council\Council RCA\Agenda Packet\11-13-2012\Ice Arena RFA111312.docx <br />