Inactive

The work is to perform various cooling tower repairs and to install a basin liner to prevent future degradation and leakage, as outlined below. The work on all three towers shall include a full and th... The work is to perform various cooling tower repairs and to install a basin liner to prevent future degradation and leakage, as outlined below. The work on all three towers shall include a full and thorough cleaning of the towers, tower basins, and the roof surface surrounding the towers. The cleaning shall be to industry and manufacturers recommended standards to remove algae and other organic growths, all manner of dirt and debris, loose corrosion, and scale buildup. The tower outer media panels shall be cleaned as well. If the material cannot be cleaned or re-used after cleaning due to degradation of the material, the outer media panels shall be replaced. Outer media panels that can be re-used may be retained and re-used. The drift eliminator media shall be entirely replaced. All replacement media shall be per manufacturer’s recommendations and specifications. The work on all three towers shall include all structural repairs and replacements to the interior and exterior of the towers in order to repair or replace if needed the outer media holding brackets, in order to fully and completely install all outer media panels. This work on all three towers shall include installation of a semi-permanent coating / lining to the B304 cooling tower cold water basins to prevent existing leakage and the spread of future leakage. The basins shall first be cleaned, prepared, and patched as needed with galvanized sheet steel (G-235 or equal) to repair all leaks in the basin and at the basin seams. The liner shall be installed on top of the basin and patching material. The new lining must be a shape-conforming, rubber-like or epoxy-like coating that does not crack, chip, peel, or degrade with contact to cooling tower water treatment chemicals or the operation of basin heaters, such as UltraFlex FRA-5000 or like product. Additionally, the work shall include various repairs to regain performance and operability of the tower #2. These repairs shall include replacement of the tower #2 fan motor, including mounting adjustments and alignment of the motor and propeller, machining and repairs to the tower #2 fan propeller space to accommodate operational rotation, and any needed repairs to the tower #2 fan gearbox. The motor replacement shall be as like-for like as possible. Any and all required electrical and control repairs and replacements shall be included. All waste material and equipment removed for replacement must be removed and disposed of off Base by the Contractor.