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2007_1008_Packet
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2007_1008_Packet
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8/26/2009 2:56:16 PM
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Roseville City Council
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Council Agenda/Packets
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� <br />� <br />3 <br />� <br />_� <br />$ <br />� <br />� <br />_� <br />1� <br />11 <br />1� <br />1 ?� <br />74 <br />1� <br />�� <br />1� <br />'I � <br />1� <br />Roseville Skating Center and City i �alE <br />Feasibility Study September 23, 2007 <br />,-�#•, <br />::�, w: <br />i��r <br />1aayOUC <br />Energy Balance - 9�� ����� 1 Banquet Hall ��i�;r Hall 1 Public Safety (2�Q�� <br />i ' _' I <br />Jan Feb Mac Apr May Jun ��� q�� $ep OcF Nov bec <br />^�w° l'l�ermal �nergy Dissipated by loe Arena Cpoiing Tower —O—Space Heating Energy Used in Ice Arena & City Hall <br />Figure 18 7"his graoh shows the annual enemy balance of the !ce Arena ! Banauet Hall and the <br />City Hall /�u�'���� Sa�ety Building. The �strm�ted air conditioning load of the City Hall / Public <br />Safety Building adds to the thermal energy that is dissipated to the outside air through the cooling <br />tower or the air cooled condenser of the air conditioning equipment on Ehe City ���.��� roof <br />There are three additional facilities on the City Hall Campus that can be integrated into a <br />common system: The Maintenance Garage and the Fire Hall that are heating dominant <br />over the year, and the Speed Skating Oval that produces a great deal of thermal energy <br />during the four winter months that it is in operation. Figure 19 shows the overall energy <br />balance if all of the buildings are connected to a common system. <br />Energy Balance o� �4[I City Hall Campus Buildings (2006) <br />=�-�� <br />Figure 19: This graph illustrates the total amount of thermal energy required by all the facilities on <br />the City Hall Campus compared to the amount of thermal energy currently rejected to fhe outdoor <br />air through the cooling tower of the Ice Arena and the Speed Skating Oval. <br />Based on the current energy consumption provided by the City of Roseville and Xcel <br />Energy, the estimated energy consumed by the buildings on an annual basis is <br />Geo-Xergy �y'��r�rr�s Page 18 of 33 <br />
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