2022 Gas Collection and Control System (GCCS) Expansion at Seminole Road MSW Landfill

1. Construction staking/system layout/surveying prior to construction. 2. Installing below grade Polyvinyl Chloride (PVC) landfill gas (LFG) extraction wells. 3. Installing below grade high-density polyethylene (HDPE) LFG laterals and header, air supply line, and liquid conveyance line. 4. Installing header isolation valve, air line isolation valves, and liquid conveyance line isolation valves, cleanouts, and air release valves. 5. Installing gas wellheads, including fittings, valves, tubing, hoses, clamps, regulators and filters, and related appurtenances. 6. Installing new pumps, including tubing, clamps, and related appurtenances. 7. LFG well abandonments. 8. Abandonment in-place of limited sections of the existing GCCS. 9. Connection of the GCCS Expansion to the existing GCCS. 10. Installing below grade high-density polyethylene (HDPE) dual contained dewatering discharge lines above the synthetic cap in Phase 2A of the Landfill along with other related GCCS appurtenances including liquid conveyance line isolation valves, cleanouts and air release valves. 11. System start-up and testing

Division 02 -	Existing Conditions, Subsurface Investigation, Landfill Construction and Storage.
Division 31 -	Earthwork, Site Clearing, Clearing and Grubbing, Earth Moving, Grading.
Division 32 -	Exterior Improvements, Bases, Ballasts, and Paving, Fences and Gates.
Division 33 -	Utilities, Storm Drainage Utilities.