• Furnish and install 6 (six) standard vertical extraction wells and 3 vertical extraction wells with slip casings. • Furnish and install approximately 350 linear feet of 12-inch HDPE gas conveyance piping. • Furnish and install approximately 130 linear feet of 6-inch HDPE gas conveyance piping. • Furnish and install approximately 140 linear feet of 6-inch HDPE gas conveyance piping in common trench with 2-inch HDPE compressed air piping and 4-inch HDPE condensate forcemain piping. • Furnish and install approximately 130 linear feet of 2-inch HDPE compressed air piping and in common trench with 4-inch HDPE condensate forcemain piping. • Furnish and install all wellheads, fittings, valves and appurtenances. • Furnish and install 3 (three) vertical extraction well dewatering pumps and appurtenances. • Pull and relocate 2 (two) existing vertical extraction well dewatering pumps, including furnishing new tri-hose tubing. • Furnish and install 2 (two) LFG isolation valves. • Furnish and install 4 (four) force main air relief valves • Abandonment of existing LFG conveyance piping, compressed air piping, and force main piping below grade. • Abandonment of 9 (nine) vertical extraction wells; three having slip casings. • Surveying, site preparation, erosion and sediment controls and restoration.