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�� � <br />��►_—� , _ � � � <br />Parks and Recreation Department <br />+ <br />., , <br />. � <br />y � <br />� ��h 0 <br />} �'�fiJ� C���1 ° <br />•8 ��•� .�I 3L { <br />~�I I�.} <br />7 �` ': <br />- -� <br />I��.��` <br />s <br />tir.i aw. f-�ti.� •YpcN �.�rc <br />To: Chris Miller, Roseville Interim City Manager <br />From: Lonnie Brolcke, Director of Parks and Recreation <br />Date: December 13,2006 <br />� <br />Re: Update on Roseville Skating Center/Arena project -GeothermalProgress <br />On September 18,2006 the City Council authorized an agreement with Stevens Engineering <br />to develop plans, specifications and to advertise for bids for the replacement of the indoor ice <br />arena piping system and other related components at the end of their useful life. This project is <br />included in the 2007 Capital Improvement Program (CIP). The projects include the <br />replacement of the arena refrigeration floor piping, dasher boards and glass, evaporator <br />condenser; and re-insulating the chiller barrel. To maximize the use of this equipment, these <br />projects have been delayed for several years based upon a close evaluation each season. <br />Following is the age of the existing equipment as well as the life expectancy of each: <br />Item Year Installed Expected Life <br />Refrigeration Floor 1979 20 years <br />Boards and Glass System 1982 20 years <br />Condenser 1998 (used) 5-10 years from install <br />Chiller - Receiver 1979 15-20 years <br />At the September L�'}', 2006 meeting the City Council suggested staff study the geotherrYal <br />technology further as it applies to ice arenas. Preliminary indications were that it was not <br />practical to do in our refurbish situation. Staff has since visited t-wo new geatY�ennal ice rinks, <br />gathered �.u�t�.ez� information and has been in communication with Hardy MechaYical, a <br />company that specializes in geothermal technology. All rinks using this technology are newly <br />constructed and have a higher initial installation cost. There are currently no retrofit nnks in <br />operation at this time. <br />As a result of further geothermal technology research, the conventional replacement method <br />has been temporarily placed on hold and the Stevens Engineering con�'act has not been <br />engaged. Due to various factors, inc�uding ice time scheduling and favorable bidding time <br />frame, a d�rectia� decision will need to be made soon for the 2007 project. At this time <br />sufficient reliable information is not yet available to mal{e a fully in�a�ed recommendation <br />andlor decision. <br />