Specifications include, but are not limited to: The Town of Taos is soliciting bids for construction of solid waste disposal Cell 4B at the Taos Regional Landfill. This project includes excavation, grading, installation of a geosynthetic clay liner (GCL), HDPE geomembrane liner, geotextile, leachate collection and conveyance system, and protective soil layer. Mobilization/Demobilization; QA/QC Compaction Testing Allowance ; Surveying Services; Stormwater Pollution Prevention Plan; Cell 4B Subgrade Excavation - Contactor to grade subgrade to finish subgrade design; remove excess material and place in designated borrow area. Subgrade surface to be smooth drum rolled for GCL installation. Cell 4B Subgrade Fill - Contractor to grade subgrade to finish subgrade design; import fill material from adjacent borrow area or use Cell 4B excavated soil.