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03.07 - Main Lift Station Repairs
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03-06-2012 Council Meeting
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03.07 - Main Lift Station Repairs
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� <br />Pine I�i"ver Area Sanita�y Dist�ict <br />Prouddy serving: Cities of Pine River, Chickamaw Beach, Backus, Pequot Lakes, <br />and Wilson & Barclay Townships <br />2567 24`i' Avenue SW <br />Pine River, MN 564744001 <br />TO: Mike Loven <br />Public Works Director <br />City of Pequot Lakes <br />FROM: Lee Bundy <br />Facilities Manager <br />Pine River Area Sanitary District <br />SUBJECT: Main Lift Station Repairs <br />Dear Mike, <br />Phone: (218) 587-2924 <br />Fax: (218) 587-4954 <br />Date: 2-13-2012 <br />Enclosed with this letter are 4 pictures I took to show you or any interested council members what is <br />wrong with the main lift. <br />`, Picture 1 shows the pumps at rest. <br />Picture 2 shows pump 2 a few seconds after start up. <br />Picture 3 shows pump2 after less than 30 seconds of run time. <br />Picture 4 is kind of da.rk, as I was backing away from the lift cover! <br />As we discussed the piping in this lift station is PVC, and the torsional load exerted by these pumps <br />has broken the fitting that connects the pumps "base elbow" to the discharge piping. Pump 1 has <br />even more ware on its base elbow so it is only a matter of time until it to breaks. In my opinion this <br />should never have been remodeled this way, and as can be seen it did not last. <br />The proposal I have submitted has us repairing the lift properly, I.e. Cast iron piping, and fittings. <br />Thrust control rods for torsional load control. No Glue! Base elbows have to be replaced due to <br />premature wear from the pumps twisting at start up. <br />Respectfully submitted, <br />� <br />Lee Bundy <br />� <br />
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