Specifications include, but are not limited to: vertical landfill gas well drilling, vertical landfill gas well construction, trenching and excavation for below grade landfill gas header collection piping, loading and hauling backfill materials from stockpiles, installation of vertical and horizontal landfill gas well valves, relocation of existing landfill gas valves, supplying, joining and installing HDPE pipe for above ground and below ground installation, supplying and installing landfill gas valves and fittings, supplying and installing landfill gas HDPE pipe supports, anchors and guides, supplying and installing a landfill gas condensate trap, supplying and installing CMP for road crossings, removing and disposing of existing rain tarp, and placement of a soil erosion cover and all other work as necessary to connect to the existing landfill gas collection and control system, within the limits of Module 4