Orange County NC Website
78 <br />XIII. Gas Management System <br />a. Number of acres of landfill to be closed 25.9 acres <br />b. Number of gas monitoring wells $0.00 each <br />c. Number of gas control vents 46 each <br />d. Length of gas monitoring wells 20 linear foot <br />e. Gas control-vent unit cost $1,088.00 per vent <br />f. Gas monitoring well unit cost $43.52 per-linear foot <br />g. Total gas control vent cost. $50,048.00 <br />h. Total gas monitoring well cost $0.00 <br />e. Total Gas Management System Cost- $S0; 048.00 <br />XIV. Groundwater-Mon-itoring System <br />a. Hydrogeologic study unit cost $0.00 <br />b. Monitoring well construction unit cost $1,225.00 per well <br />c. Unit cost for additional well length over 50' $22.00 per foot <br /> Number of wells 0 <br /> Additional feet over 50' 0 <br />d. Total monitoring well cost $0.00 <br />e. Total Groundwater Monitoring Cost $0.00 <br /> <br />XV. Mobilization & Demobilization <br />a. Cost for Mobilization Demobilization $22,500.00 <br />XVI. Survey and Deed Notation . <br />a. Cost for Survey and Deed Notation $2,175.00 <br />XVII. Closure Certification <br />a. Closure Certification Costs $2,175.00 <br />City Cost Index (CCI) 100.0 <br />Subtotal, Closure Cost Estimate $1,866,165 (1998 dollars) <br />XVIII. Adjustments to Section XIII (per 2009 permit modification): <br />Installation of 24 gas extraction wells $475,000 <br />Less installation of 15 gas extraction wells in 2011 ($296,875) <br />Enclosed flare and blower system $481,250 <br />Less installation of flare and blower in 2011 ($481,250) <br />Gas treatment and conditioning system $412,500 <br />Less installation of system in 2011 ($412,500) <br />Less previous estimate for vents ($72,680) <br />T-otal adjustments (2009 dollars) $105,445 <br />South Side -Page 12 08/23/2011 <br />