Orange County NC Website
79 <br />XIX. Miscellaneous Closure Items (costs added in 2011) <br />a. Erosion and sedimentation control $20,000 <br /> Side slope diversion berms and drainage swales, 9500 <br />b. linear feet @ $12 $114,000 <br />c. Slope drains, 1680 linear feet at $15 $25,200 <br />e. Reshape perimeter drainage channels, 44001inear feet @ $ $35,200 <br />d. Cap membrane anchor trench, 42001inear feet @ $4 $16,800 <br />e. Cap membrane boots around gas wells, 24 each @ $1,200 $28,800 <br />f. Total Adjustment for Miscellaneous Closure Items $2~0, 000 <br />Past Closure Costs - 2000 Dollars <br />I. Groundwater Monitoring Costs <br />a. Total number of monitoring wells- 13 <br />b. Total number of samples per year 2 <br />~. Detection unit monitoring costs $710.00 per sample <br />d. Total Detection Monitoring Costs $18,460.00 per year <br />e. Total-Groundwater Monitoring Cost $553,800.00 for 30 years <br />II. Gas Monitoring <br />a. Frequency of testing 4 rounds per year <br />b. Number of gas probes installed 19 each <br />c. Gas monitoring unit cost $254.00 per round <br />d. Total Gas Monitoring Cost $1, 016.00 per year <br />III. Leachate Management <br />a. Private disposal unit cost $0.11 per gallon <br />b. POTW disposal unit.cost $0.03 per gallon <br />c. Direct discharge to POTW unit cost $0.03 per gallon <br />d. Amount of Leachate generated 222,650 gallons/year <br />e. Loading/unloading time unit cost $116.75 per 5000 gal. truck <br />f. Number of trucks 45 per year <br />g. Number of miles over 5 mile haul distance 0 miles <br />h. Additional cost for haul distance $0.00 per truck <br />I. Total cost for loading/unloading $5,253.75 <br />j. Total Leachate cost, private disposal $29,745.25 per year <br />k. Total Leachate cost, POTW disposal $11,933.25 per year <br />1. Total Leachate cost, direct discharge $6,679.50 per year <br />m. Total Leachate Management Cost ,$6, 679.50 per year <br />South Side -Page 13 08/23/2011 <br />