AquaDisk Filters with foundation, cover and maintenance platforms for disk filter units, two (2) disk filter units; foundation with cover for chemical storage and replacement of NaOCl and NaHSO3 feed systems; construction of Chlorine Contact Basin No. 2 and of the transfer pump station; remove and replace non-potable water system; include all appurtenances for all these additions; site work including yard piping, manholes, valves, fittings, paving, sidewalk and all appurtenances; installation of electrical components, equipment, conduits; site restoration including hydromulch seeding; bypass pumping; storm water pollution prevention; and trench safety system. All work performed shall be in accordance with the plans and specifications. Complete in place.