Water Softener Replacement

Provide all labor, materials and expertise necessary to replace two water softeners at the Water Treatment Plant in accordance with the following specifications: 1. Complete replacement of the two metal Refinite Water Conditioning 54" softener filters #1 and #2, along with the metal Aquamatic control valves, Griswold flow control valves and 4" butterfly valves. The Osmonic Electronic Control Stager Series 962 and brine tank will remain in place. 2. Old media and base material shall be removed from one filter at a time. One softener must remain 'online' while replacement of the other is being conducted. Old media shall be removed from the site and disposed of at a proper dumping site, perhaps by use of a vactor truck. 3. Each vessel shall be removed from the building for disposal by the contractor. 4. New fiberglass vessels will be used to replace the old steel vessels. 5. New 3" valves that isolate the supply and discharge flow shall be replaced. 6. The new filters will be pre-plumbed from the factory with internal laterals and shall be inspected for damage before new stone base and media is installed. 7. New gravel base shall be installed in layers, according to size, as designed from the manufacturer. 8. New sand layer installed as designed by manufacturer. 9. New layer of"Cation Resin" as designed by manufacturer. 10. Filter shall then be sealed and backwashed. 11. Filter shall then be disinfected and allowed to sit for 24 hours. 12. Filter shall then be backwashed again and a water sample shall be taken by the operator and sent to a lab. 13. Once the sample comes back clean, the filter will be placed in service and allowed to run for one week to insure proper operation and results. 14. Move to second filter and repeat.

Division 22 -

Plumbing, Domestic Water Softeners.