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If an individual tube is deemed to be defective, the tube could be plugged to seal the leak. The cost of plugging a single tube including retesting is .............,.........,.........................$ 500.00 With the repairs and pressure testing complete, the reassembly can begin. Gartner Refrigeration would reinstall the end bells with new gaskets for the end bells as well as the supply and return nozzles. The necessary hoisting equipment, supports, and labdr would be included. With the end bells in place, the insulator would reinsulate the chiller to meet the original design. The reinsulation would be inclusive of Styrofoam colored PVC jacketing and Armaflex "serviceable flange and flanged valves." Flashing, caulk, and sealing of the vapor barrier would be included. The brine solution would then be reintroduced to complete this reassembly of the chiller. City of Roseville Net Price ........................................................................................ $ 29,600.00 As an option should the city wish to consider the removal of the existing 8,000 lbs. of amnlonia and replacing it with new refrigerant grade ammonia, Gartner Refrigeration would include the necessary labor, recovery, transport, refrigerant evacuation, and recharging of the system. City of Roseville Net Price ........................................................................................$ 13,655.00 Another alternate the city may wish to consider the pressure testing of the oval floor system. Gartner Refrigeration would remove the bleeders and relief valves and plug the openings. We would pressurize the rink floor system to approximately 50-70 pounds of pressure using nitrogen. Our servicemen would provide a walk through and visual inspection of the rink floor, floor accesses and compressor room piping using an ultrasonic leak detector and leak test solution to determine if there are any leaks present. Once the leaks have been repaired or the floor deemed sound, we would remove the nitrogen pressure and reinstall the air bleeders, relief valves, and make the city ready for operation. City of Roseville Net Price .......................................................................................$ 3,729.00 It is our recommendation that the city proceed with the first number of items leaving the alternates to be considered a�ter the testing is performed and the results are complied from the above listed items. At that time additional monies may not need to be spent based on the results observed. Terms & Conditions 1. Down Payment Purchaser shall pay a down payment of twenty-five percent (25 %) of the total Purchase Price when Purchaser accepts this contract. 2. Invoice and Payment Equipment, material, supplies and labor are invoiced on progression and shall become due in full 10 days from the date of invoice. 3. Past Due Charge All past due invoices will be subj ect to a service charge of one percent (1 %) of the past due amount per month. Gartner Refrigeration & Mfg. Inc. Page 2A K:1Quotes\0504-9099-0 City of Roseville Rose Oval Chiller.doC