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TASK 3 - LIQUID LEVEL MONITORING AND REPORTING <br />SCS -FS will measure liquid levels in each of the vertical extraction wells every six -months. In wells <br />that contain pumps the liquid temperature will also be recorded. SCS -FS will submit the collected <br />data in the Republic formatted liquid level table in the monthly 0&M report that coincides with each <br />completed round of measurements. SCS -FS will also provide a list of wells that may require pumps <br />based on historical field measurement data. <br />TASK 4 - QUARTERLY AND SEMI-ANNUAL PUMP MAINTENANCE <br />Task 4A - SCS -FS will remove each of the pneumatic pumps located in condensate sumps and LFG <br />vertical extraction wells to check operation of the pumps and identify corroded or faulty components <br />that need to be replaced every six -months. SCS -FS will provide Republic with a summary of findings <br />along with a recommended parts list based on our findings. SCS -FS will make efforts to coordinate <br />purchasing pumps or replacement parts in advance of each scheduled preventative maintenance <br />cycle so parts can be replaced during routine inspections. <br />Task 4B - SCS -FS recommends that the pumps located in the condensate sumps be serviced at a <br />quarterly frequency. Due to the corrosive nature of landfill gas condensate and the important <br />function of the condensate sumps to keep the collection system fully operation, removing the pumps <br />once each quarter will allow for components prone to failure due to corrosion to be identified and <br />replaced before the pump fails. <br />TASK 5 - FLARE STATION BLOWER LUBRICATION/CHECK VALVE <br />INSPECTION/FLOW STRAIGHTENER INSPECTION <br />In addition to the manufacturers recommended maintenance the following items will be performed <br />twice per year: <br />o Removal and repacking lubrication of bearings and housing following alternative <br />greasing plan; <br />o Blower Outlet check valve inspection and cleaning; <br />o Flow Straightener inspection. <br />TASK 6 - AIR COMPRESSOR PREVENTATIVE MAINTENANCE <br />Once per quarter SCS -FS and Air Compressor works will perform minor and major services on the <br />three air compressors and two air dryers located at the flare station based on manufacturer's <br />recommendations. Additional information on air compressor maintenance is referenced in Appendix <br />B. <br />Indian River Landfill O&M Proposal Page 4 www.scsengineers.com <br />