Final Closure Of the Hot Spa Solid Waste Site
The work to be done by the Contractor shall include furnishing all labor, materials, tools, equipment, power, and water for the construction of the Final Closure of the Hot Spa Solid Waste Site and all associated work represented on the Final Closure/Post Closure Maintenance Plan (as it relates to closure activities only), the Contract Drawings, and in conformance with these Special Provisions. Closure of the landfill will generally consist of the following: site clearing/demolition, waste relocation, soil excavation, well extension, engineered fill placement and compaction, application of soil binder, borrow area regrading and installation of stormwater management features. A Storm Water Pollution Prevention Plan (SWPPP) shall be developed, implemented and maintained during construction activities. Closure will consist of relocation of waste to provide for final cover grades. Waste excavated from these areas will be relocated to an identified area on the top deck and placed to promote positive drainage and limit cover soil import. The approximate volume of waste material that will be relocated is estimated to be 260 cubic yards (CY). Any waste encountered during cover grading will be relocated to the top deck of the landfill and covered daily with either 6-inches of daily cover or tarps, as approved. Following conclusion of waste relocation, intermediate cover consisting of 1-foot (ft) of intermediate cover material will be placed and compacted above the exposed and relocated waste. Excavation and foundation layer and/or engineered fill will be placed to meet the foundation layer grades shown in the construction drawings. Engineered fill and foundation layer will be obtained from excavation within the grading area or from the on-site borrow area.