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<br />Memo <br /> <br />February 23, 2006 <br /> <br />To: <br /> <br />Dallas Larson, City Administrator <br /> <br />From: <br /> <br />Paul Palzer, Public Works DirectorlBuilding Official ~ <br /> <br />Re: <br /> <br />Lift Station #2 Generator <br /> <br />......................................................................... <br /> <br />Since the scada system has been installed we have been able to more accurately monitor <br />the lift station's pumping cycles and run times. I have a concern with lift station #2 <br />which is. located at Peltier Lake Drive and Mill Road and its limited wet well capacity. <br />This station serves 218 lots and cycles about eight times on hour. Based on the wet well <br />capacity and the capacity in the sewer lines below the depth of the manhole lid on Peltier <br />Lake Drive east of Centerville Road, I have estimated that our residual time before the <br />sewage would overflow onto the street to be 3-4 hours. This is under normal to high <br />flow, but could be less during an extreme storm/power outage event. <br /> <br />To prevent sewage backup during a power outage and the potential to backup in homes, I <br />recommend that the City install a natural gas standby generator permanently dedicated to <br />this site. I have received several quotes from venders who have done work for the City in <br />the past and install standby generators. Based on the quotes, I recommend that the City <br />accept the quote from Aid Electric for $21,765.00 for the installation ofa 30KW <br />generator as stated in their proposal. <br /> <br />d3 <br />