Summary
Work includes improvements to existing trickling filters, including replacement distributors, media, and ventilation equipment including fans and ductwork. Improvements to existing solids contact tanks, including associated channels, diffused air system, large bubble gas mixing system, and non-potable water facilities, replacement of motorized slide gates. Replacement of existing blowers. Replacement of existing slide gates, and installation of new slide gates in the trickling filter effluent channel, mixed liquor channel, and mixed liquor distribution box. Installation of energy-dissipating columns in the mixed liquor distribution box. Replacement of existing variable frequency drives for return settled sludge pump nos. 5 and 6. See outside link.