Specifications include, but are not limited to: The work for the LEWISTON CANAL MODIFICATIONS project shall consist of, but not be limited to, the complete and satisfactory construction of installation of: - Removal of structures and obstructions at existing Cross Canal #3 and Upper Canal locations; - Installation of an access ramp comprised of gravels and pre-cast concrete planking at Cross Canal #3; - Cutting, filling, and capping of existing penstock piping at Cross Canal #3 and Upper Canal; - Disposal of non-proprietary materials; The removal of structures and obstructions at existing Cross Canal #3 and Upper Canal Locations. The work also includes the installation of an access ramp comprised of gravels and pre-cast concrete planking at Cross Canal #3, and the cutting, filling, and capping o existing penstock piping at both locations.; Select Backfill Pipe O.D. plus 3 feet, after any stockpiled fill has been exhausted and with prior approval of the Engineer; Crushed Stone Incidental to the individual pipe and structure items; Aggregate Base (Trenches) 11’ width; Aggregate Base (Services, 6' width hydrant leads, CB leads); Aggregate Base (Outside Trenches) In place dimensions as directed by the Engineer; Aggregate Subbase (Trenches) 11' width; Aggregate Subbase (Services, 6' width hydrant leads, CB leads); Aggregate Subbase (Outside Trenches) In place dimensions as directed by the Engineer; Aggregate base temporarily used to fill the trench to finish grade before paving is considered incidental to the pipe items. Pay limits for trenches listed above also include common excavation to the width listed and depth specified, payment for which is to be included in the pipe cost.
