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Mr. Culver deferred to Environmental Engineer Ryan Johnson to provide more <br />detailed projected financials and options for retaining the power purchase <br />agreement and allowing Kenyon access to the roof space and city purchase of <br />power from them, with a minimum savings of $151000 projected at the end of <br />that twenty-year period, and 11% savings in that twentieth years. At that time, <br />when the twenty years is up, Mr. Johnson noted the agreement calls for the tax <br />equity partner to remove the panels from the roof and the city can start over again. <br />Mr. Johnson noted that the improved technology by that time may provide less <br />expensive and more efficient systems at that time, or availability of other <br />programs, but probably not via tax credits, if a replacement solar system was <br />desired for the skating center roof at that time. <br />Mr. Johnson and Mr. Culver noted that staff was working out final details for roof <br />maintenance as part of the agreement, and had met with Parks & Recreation <br />Department staff to address their concerns with the city's obligation for <br />maintenance staff and current agreement between the city and roofing company <br />related to the roof warranty and their respective maintenance of the rood to <br />guarantee there would be no leaks. Mr. Culver noted that the current maintenance <br />agreement for the skating center roof, along with the City Hall and Public Works <br />maintenance building roofs, represented a great arrangement and meetings had <br />also been held with that firm to address any impacts on that agreement and <br />warranty from their perspective with this solar installation. While there seems to <br />be little concern with Sundial Solar puncturing the roof, allowing the roofing <br />contractors access to the roof under the solar panels is still pending resolution. As <br />the agreement is solar services agreement is currently written, Mr. Culver noted <br />that the city would potentially lose money if the panels needed to be moved for <br />roof maintenance, and they were obviously not operational or a period of time. <br />Mr. Culver noted that attempts had initially been made to size the system to allow <br />sufficient open space to shift the panels temporarily elsewhere on the roof to <br />access various roof portions. However, Mr. Culver advised that a question <br />remains whether shifting was possible while retaining operations or shifting <br />panels and storing them during maintenance and reinstalling them were the best <br />option. <br />Chair Stenlund asked if this maintenance on a quadrant of the roof was for a two- <br />week period or only represented a loss of solar power for a 2-3 day period. <br />Mr. Culver responded that, in 2014, the cit performed major maintenance on the <br />City Hall and Public Works roofs, with this roof similar to that construction of a <br />liner covered with rock necessitating vacuuming the rock for reconditioning of the <br />liner and replacement of the rock, with that process taking between 1-2 weeks per <br />roof. However, Mr. Culver noted that may require a longer period of time if the <br />solar panels needed to be shifted around or if only one quad was addressed at a <br />time. <br />Page 6 of 20 <br />