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Feasibilit Sy tudy <br />® Staff` suggest a stringent feasibility study to verify numbers, components and analyze <br />all of the above (start now) <br />Preliminary numbers have been received but not verified on the potential savings. Reliable <br />numbers have not yet been received on the conversion costs. if the City continues to consider <br />the geothermal technology it would make sense to delay the traditional replacement method <br />for one year and study the geothermal further and fully understand the risks vs benefits. At this <br />time it would make sense to hire an independent consultant to assist in conducting a stringent <br />feasibility study, verify numbers and analyze risks. <br />Basic General Questions that Remain <br />1) Shall the City continue to study the geothermal technology? <br />2) Shall the City hire an independent engineer to verify feasibility of the geothermal <br />technology in our replacement situation? <br />3) Shall the City simply replace in a traditional method? <br />4) Shall the project be delayed until 2008 in order to study further with an independent <br />engineering firm? <br />5) Due to the age of the system and need for replacement are we prepared in the event of <br />a mechanical failure? <br />6) What payback period is acceptable? <br />7) What is an acceptable up front cost? <br />0 Page 3 <br />