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Interim Stens <br />1. Until permanent improvements in the pumping infrastructure can be made, the <br />performance of both pumps will be bucket tested weekly to ensure that the pumps are <br />operating at peak efficiency. <br />2. If the maximum performance of a given pump drops below 30 gpm, the pump will be <br />replaced. <br />3. The current transducer conditions will remain as is. <br />Planned LVSCS 4B Lnprovements <br />1. Replace the current Pump #1 with a "new" pump capable of pumping approximately 57 <br />gpm. This effort will take time for pump shroud engineering and fabrication, and <br />possible changes in electrical infrastrocture. Pending unforeseen difficulties in <br />procurement, the timeline for this replacement is by October 15, 2007. Anew, calibrated <br />Transducer #1 will be installed at this time as a precautionary measure. <br />2. Once it is determined that the new Pump #t will operate to expectations, the current <br />Pump #2 will be replaced with the new pump. The timeline for this replacement is by <br />November 30, 2007. A new, calibrated Transducer #2 will be installed at this time. <br />3. Flow meters will be serviced and restored to functional status. <br />4. Maintain a stocked backup 57 gpm pump in the warehouse at all times. The timeline for <br />this stock level is by November 30, 2007. <br />Ultimately, this improvement plan will increase the pumping capacity of each pump from 31 <br />gpm to 57 gpm without the assistance of booster pumps. Although both pumps will be online, <br />based on historical pumping data the new Pump #1 alone should be able to easily handle the <br />typical historical flow into the sump, thereby leaving the capacity of Pump #2 as a backup in the <br />event that Pump #1 fails. <br />Please contact me at (719)-689-4056 should you have questions or wish to discuss this plan. <br />Sincerely, <br />Gary Goodrich <br />Manager, Environmental Resources <br />Enclosed appendices <br />