The Matanuska-Susitna Borough is requesting bids from qualified contractors to construct the Cell 4 Expansion, which includes: stripping and stockpiling topsoil and cover soils within the Cell 2A final cover overlay; removal and disposal of existing subdrain piping, existing geocomposite drainage net (GDN), and existing geosynthetic clay liner (GCL) within the Cell 2A final cover overlay; completing earthwork necessary to establish Cell 4 Expansion subgrade; regrading the existing sand leveling course within Cell 2A final cover overlay, installing GCL, geomembrane liner, geotextile, leachate collection piping, gas collection lateral piping, granular drainage layer, and related items, and removal and reinstallation of existing gas collection and control system piping.
