Bissell Point WWTF Foam Suppression and Biofilter Rehabilitation

Demolition and removal of the existing Biofilter system, which includes the blower, humidification chamber, FRP piping, FRP diffusers, and media. Replacement of new Biofilter system, including blower, humidification chamber, FRP piping, FRP diffusers, and media. Demolition and removal of existing 1” service water piping that is used as sprinkler system for the biofilter system. Replacement of new 1” service water piping and sprinklers to be used as sprinkler system for the biofilter system. Removal and replacement of the existing 6” drain piping that connects the drainage from the biofilter system to the existing ash lagoon pump station. Installation of approximately 450 feet of 4-inch water main as shown on the drawings. Installation of a foam suppression system that is comprised of spray nozzles suspended above the flow channel of the final outfall structure. The system will include a backflow preventor and water service line to a City of St. Louis water main.

Sewage Treatment Plant, Renovation.

Division 02 -	Existing Conditions, Demolition, Selective Demolition, Selective Interior Demolition.
Division 06 -	Wood, Plastics, and Composites, Rough Carpentry, Finish Carpentry.
Division 07 -	Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.
Division 08 -	Openings, Doors and Frames, Windows.
Division 09 -	Finishes, Plaster and Gypsum Board, Ceilings, Flooring, Painting and Coating.
Division 21 -	Fire Suppression.
Division 22 -	Plumbing.
Division 23 -	Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution.
Division 26 -	Electrical, Lighting.