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SANAOAQUIN <br />1 —COUNTY <br />`�4LiFot�i Greatness grows here. <br />4ez% <br />Waddoi for YOU <br />May 10, 2018 <br />Mr. John Moody <br />Water Resource Control Engineer <br />Central Valley Regional Water Quality Control Board <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, CA 95680 <br />Department of Public Works <br />Kris Balaji, Director of Public Works <br />Fritz Buchman, Deputy Director/Development <br />Michael Selling, Deputy Director/Engineering <br />Jim Stone, Deputy DirectorlOperations <br />Kristi Rhea, Manager of Strategic Initiatives <br />SUBJECT: PROPOSED ENGINEERED ALTERNATIVE DESIGN FOR THE LEACHATE <br />COLLECTION AND REMOVAL SYSTEM FOR MODULE 2B AT THE FOOTHILL <br />SANITARY LANDFILL <br />Dear Mr. Moody: <br />San Joaquin County Public Works, Solid Waste Division, is proposing to use an Engineered <br />Alternative Design (EAD) for the Leachate Collection and Removal System (LCRS) for future Module <br />2B at the Foothill Sanitary Landfill (FSL). The County proposes to use Geocomposite Drainage Net <br />(GDN) as an alternative to the 0.75 -foot -thick gravel drainage layer (GDL) that was used for the <br />previous Module 2A. The EAD would be in compliance with CCR Title 27 and the Construction <br />Specifications of Waste Discharge Requirements Order Number R5-2015-0058 (WDR). <br />Sincerely, <br />Taj Bahadori, PE <br />Senior Engineer <br />San Joaquin County Public Works <br />TB:mf <br />N:\1 Foothill\RWQCB\Correspondence\2018-05-10 FH EAD LCRS letter.docx <br />c: Jim Stone, Deputy Director/Operations (Electronic Copy) <br />Desi Reno, Integrated Waste Manager (Electronic Copy) <br />Robert McClellon, SJC Environmental Health Department (Electronic Copy) <br />1810 East Hazelton Avenue I Stockton, California 95205 1 T 209 468 3000 I F 209 468 2999 <br />