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Preliminary Postclosure Maintenance Plan <br /> Foothill Sanitary Landfill - Revision #1 May, 1994 <br /> INSPECTIONS <br /> Inspections will be made on a quarterly basis . for the following <br /> items: <br /> Final cover <br /> Final grading, settlement <br /> Drainage system <br /> Gas monitoring and control system <br /> Leachate collection system <br /> Ground water monitoring system <br /> Security <br /> Vector and fire control <br /> Litter control <br /> Sediment control devices <br /> It is assumed that inspections will take a consulting engineer <br /> approximately two working days to complete (16 hours) . The <br /> engineer will probably receive a rate of approximately $70/hour. <br /> The engineer will then prepare a report containing all observed <br /> deficiencies and suggested corrective measures. Each report is <br /> estimated to cost about $1,000. The annual cost for the 5 year <br /> aerial survey is estimated at $500 per year. <br /> 8. COST <br /> ($70 X 8 X 4) + ($500 X 4) + $500 = $4,740 <br /> GAS SYSTEM MAINTENANCE <br /> It is assumed that maintenance of the landfill gas extraction and <br /> control system would require a technician 2 hours per week at <br /> $35/hour to perform routine maintenance checks of the system. <br /> In addition, it is estimated that the technician would require a <br /> full 8 hour day to perform a more thorough maintenance every three <br /> months. <br /> 9. COST <br /> ($35 X 2 X 52) + ($35 X 8 X 4) $4,,760 <br /> 7 <br />