Specifications include, but are not limited to: Work associated with Phase 4 cover upgrade shall include, but not be limited to: Construction of necessary erosion control mechanisms shown on the Contract Drawings and as required by MEDEP Best Management Practices and Maine Construction General Permit; Perform test pitting as needed and as indicated on the Contract Drawings; Perform survey of existing catch basins as indicated on the Contract Drawings; Removal of existing piezometers and modification to existing catch basins and manholes within the limit of work; Pressure‐jet clean leachate transport lines and catch basins within project area on south and east ends of Dolby III, including piping between CB # 13, 14, 17, 21, 22, 23, 24, and 25; Waste stabilization and mixing within the existing temporary disposal cell; Stripping and stockpiling existing cover materials for future use; Containment and collection of any impacted surface water resulting from regrading of waste materials; Regrading and repositioning of existing waste and cover materials to achieve proper base grades, including providing necessary labor and equipment for odor control; Placement of final cover materials (soils, geosynthetics, and piping) as shown on the Contract Drawings; Seeding, fertilizing, and mulching of the final cover, stockpiles, pipe trenches, and all areas disturbed during construction in accordance with specifications contained herein and MEDEP Best Management Practices; and Provide as‐built survey of Phase 4 construction. Repair final cover system and remove any accumulated off‐site sediment as needed until 90‐ percent grass growth has been achieved.