Construction of a new sodium hypochlorite 1. New Bulk Sodium Hypochlorite Building a. Sodium Hypochlorite Storage Area with grated access platforms above containment area. b. Bulk sodium hypochlorite storage tanks, day tanks and access platforms. c. Removable skylight access panels for tank removal. d. Sodium Hypochlorite metering, transfer, and sump pumps. e. Chemical Piping and valves. f. Electrical Room. g. Mechanical Room with HVAC equipment for the building. 2. New interior and exterior sodium hypochlorite piping and injection points. Containment piping with carrier tubing extends from new building to existing chemical injection points throughout the site. Chemical vaults are to be installed along piping runs to facilitate installation and replacement of chemical tubing. 3. New Liquid Lime Storage and Feed system in new outdoor concrete containment area 1. Liquid Lime storage tanks. 2. Liquid Lime pump enclosure with transfer pumps, feed pumps, power and control panels, safety shower, and sump pumps. 4. New Liquid Lime Truck Unloading Station with LCS, remote from new outdoor containment area. 5. New interior and exterior liquid lime piping, tubing, injection points, and junction boxes. Containment piping with carrier tubing extends from new containment area to existing chemical injection points at the rapid mix and clearwells. Chemical junction boxes are to be installed along piping runs to facilitate installation and replacement of chemical tubing. 6. New MCC equipment in the Electrical Room to replace existing MCC equipment in existing plant’s Chemical Building. New power feed from Filter Building to New Sodium Hypochlorite Building. 7. New potable water line feeding the new Sodium Hypochlorite Building and additional fire hydrant connections. 8. Replacement of existing water heater beneath alum storage tank, installation of new tempered water valve, and new interior and exterior piping for hot and tempered water. 9. Demolition of old chlorine feed equipment, piping, scales, and scrubber system. 10. Demolition of old MCC’s in Chemical Building. 11. Demolition of old lime storage and feed equipment in the Chemical Building. Repair of Chemical Building roof after removal of old lime silo. 12. New DCS equipment in Sodium Hypochlorite Building and in Chemical Buildings. 13. Temporary power requirements for Carbon Building and new permanent power. 14. Modifications to electrical distribution at field motors, including disconnects, local control stations, and motor terminations. 15. Electrical improvements including video cameras, back boxes, and access control system. 16. Miscellaneous site improvements, electrical duct banks, conduits, and site piping as required. 17. Other miscellaneous associated items as necessary to complete the work.
