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<br /> <br />MEMORANDUM <br /> <br />TO: Mayor and City Council <br /> <br />FROM: Gary Lore, Building Maintenance Supervisor <br /> <br />DATE: May 2, 2005 <br /> <br />SUBJECT: Public Safety Building Energy Management Update <br /> <br />The billing information supplied by Center Point Energy is not site specific, so it is difficult <br />to pin point the energy costs for the Public Safety Building. It will take two full seasons to <br />obtain accurate cost comparisons. In the mean time, we have taken the following energy <br />conservation measures in the Public Safety Building: <br /> <br />~ The roof top makeup air unit was repaired and is operating properly. We also <br />consulted with the project engineer and other sources to ensure that the energy <br />management system is operating as designed. <br />~ To reduce gas consumption the electronic control programming was utilized and <br />operating schedules were set up to shut down equipment during unoccupied hours. <br />As an example, after hours the need to bring in outside air is gready reduced, <br />therefore the roof top make up air unit is not needed and exhaust fans can be shut <br />down to hold the heat in. In turn, this leaves climate control to the geothermal <br />equipment and with extreme temperatures or geothermal failure the roof top unit <br />would reassume control. <br />~ In addition, preventive maintenance, lubricated motors, clean equipment and regular <br />filter changes will assist in our energy conservation efforts. <br /> <br />