Claystone Waste Ltd. - Request for Proposal - Claystone Cell 10 Construction

Work includes: 1. Mobilization and demobilization of equipment to site, including construction of haul roads from the Cell 10 area to stockpile areas, and any other haul roads required during construction, prime contractor duties, site safety, all temporary works and facilities necessary to complete the project, and demobilization including all restoration of temporary facilities and disturbed areas. 2. Stripping topsoil, subsoil, and unsuitable surface material from within the Cell 10 footprint, interior access road, surface water ditches, stockpile area (if required), and any other area to be disturbed during construction, and hauling of material to the appropriate stockpile area as shown on the drawings or directed by the ENGINEER. 3. Excavation of Cell 10, including the construction of Cell 10 interior access road, Cell 10 embankments, berms, and stockpiling of excess material. 4. Construction of interior access road to the compost facility as shown on the drawings. 5. Preparation of the subgrade layer in preparation of construction of the liner system as shown on the drawings. 6. Excavation and backfill of the geosynthetics anchor trench as shown on the drawings. 7. Supply and Installation of the GCL. 8. Supply and Installation of the HDPE geomembrane liner. 9. Supply and installation of non-woven geotextile. 10. Supply and installation of the drainage layer. 11. Supply and Installation of the Cell 10 leachate collection system (including, but not limited to, excavation of the trenches and sumps, supply and install of drainage aggregate, woven geotextile, and piping infrastructure/accessories). 12. Tie-in of existing geosynthetic liner system to Cell 10. 13. Construction of the interior access road and associated surface water ditching. 14. Application of topsoil and seeding of permanent ditches, embankment slopes, all disturbed areas, and seeding of stockpiles (as indicated on drawings) to aid in erosion control on-site. 15. Field surveying, as required for the completion of all portions of the Work, which must include pre-construction survey, survey progress to supplement payment applications, and a detailed as-built geodetic survey of the entire Work area and all the Work performed including the subgrade and top of liner system. To be provided to and approved by ENGINEER as construction progresses.