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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2014-0006 -33- FORWARD INC.AND REPUBLIC SERVICES INC. FORWARD CLASS II LANDFILL SAN JOAQUIN COUNTY 2) a Geosynethic Clay layer: 3) a 60-mil HDPE geomembrane; 4) a geonet LCRS layer; and 5) a 60-mil HDPE geomembrane. 4. The Discharger shall not proceed with construction until the construction plans, specifications, and all applicable construction quality assurance plans have been approved. 5. The Discharger may propose changes to the liner system design prior to construction, provided that approved components are not eliminated, the engineering properties of the components are not substantially reduced, and the proposed liner system results in the protection of water quality equal to or greater than the design prescribed by Title 27 and this Order. The proposed changes may be made following approval by the Executive Officer. Substantive changes to the design require reevaluation as an engineered alternative and approval by the Central Valley Water Board in revised WDRs. 6. The Discharger shall comply with all Standard Construction Specifications listed in Section F of the SPRRs dated January 2012 which are attached hereto and made part of this Order by reference. 7. The Discharger shall comply with all Storm Water Provisions listed in Section L of the SPRRs dated January 2012 which are attached hereto and made part of this Order by reference. E. CLOSURE AND POST-CLOSURE MAINTENANCE SPECIFICATIONS 1. The Discharger shall submit a final or partial final closure and post-closure maintenance plan at least two years prior to proposed closure of any portion of the landfill in accordance with requirements in Section G of the Standard Closure and Post-Closure Specifications in the SPRRs. 2. The Discharger shall close landfill units with a final cover as proposed in the 2005, Alternative Final Cover Design Report and as approved by this Order. The components of the approved final cover as proposed in The Final Cover System shall be comprised, in ascending order, 1) Minimum one-foot thick foundation layer (in most cases the existing interim cover) cleared, grubbed and compacted; 0 2) minimum three-feet thick evapotranspiration layer, with minimum of 70% passing No. 200 sieve; an as-built saturated hydraulic conductivity of less than