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010 <br /> Approximately yards needed for <br /> ofr35,feet. <br /> daily cover and ran <br /> This amount of soil avilable remainder <br /> portion ofthed current <br /> borrow areas on the excavation re- <br /> quired to prepare the area south of Eubanks Road in advance of construc- <br /> tion of an engineered floor liner. provide 4 years of <br /> - Raising the grade of the existing fill by 35 feet will p <br /> added disposal capacity. <br /> 3. Closure of the Site <br /> The present design of the lastormlwater not <br /> runoffadequate <br /> for slow closure. <br /> dischargeThe <br /> to adjacent <br /> sur- <br /> face <br /> was intended to retain on <br /> streams. More recent EPA and Staeandrtoemi.nimizeainfiltrationsofpwater% <br /> landfill caps to promote rapid runoff <br /> - The objective is to retardainfiltration and thus reduce the amount of <br /> leachate produced by the re- <br /> el <br /> - The State will uld rmedial to surface <br /> mains. The Town n wo wo <br /> top by raising the grade in the center by about 15 feet with soil to pro- <br /> vide the 4% slopes for drainage. We believe it is better to take action <br /> now by raising the grade with refuse than to take the more expensive route <br /> of using only soils. <br /> - The existing flat surface wilacrsubside <br /> inand <br /> heightlisalikelyetodoccurooverna <br /> compress. Up to a 20 or 30% de ease <br /> couple of decades. Settlement will Statesbecauser <br /> "birdbaths" on the flat g ade <br /> it will that ca leachate production. <br /> and still not <br /> that can tolerate grading. <br /> contin- <br /> ual and expensive post-closure site maintenance and g g• <br /> 4. Regulations <br /> It appears that new Federal regulations (Subtitle D of the Resource aConsersation- <br /> and Recovery Act) will require closure of all non-lined municipal <br /> in a specified time frame following enactment <br /> the al- <br /> lowed. We anticipate that no provide <br /> lowed. After 1988, a vertical for final <br /> approximately 4 more y <br /> closure consistent with the requirements of the RCRA Subtitle D regulations. <br /> 5. Southern Ex ansion <br /> The area for future disposal south of Federaliregulaengi- <br /> neered landfill with leachate collection and <br /> bons above referenced will reand we believe it is the <br /> it, the courseutoefollow. <br /> spite of our existing per mit <br /> Preparation of the site will require construction af10 to 15 foot deep excava- <br /> tion over an area of about 40 acres to achieve grades a <br /> liner. We anticipate that otstartnnow°itdwould installed <br /> about one yeareto clear the acres <br /> each. Were construction t <br /> area (about 25 acres) ,o complete earthwork and construct the landfill floor <br /> liner so that refuse could be placed. <br /> -2- <br />