The City of Nashua, Division of Public Works, is seeking sealed bids for the construction of the Phase IV, Stage I Expansion at the Four Hills Landfill, 840 West Hollis Street, in Nashua, New Hampshire. Phase IV, Stage I is a socalled “valley fill” landfill that will overlap portions of the closed, unlined MSW landfill, and the active, double-lined Phase I-II-III landfill. The scheduled work includes, but is not limited to, site preparation, landfill liner base grade preparation and earthwork, installing an overlay leak detection liner over the closed, unlined landfill, installing a double high density polyethylene (HDPE) plastic liner system to be fused with the Phase I-II-III landfill liners, installing new leachate collection piping and modifying existing leachate collection piping, modifying/decommissioning landfill gas wells and vacuum lines, decommissioning groundwater monitoring wells, and installing and constructing storm water control infrastructure.
