13570-015.1 BISSELL POINT WWTF FOAM SUPPRESSION AND BIOFILTER REHABILITATION (IR)

Status

Accepting Bids

Bid Date7/28/21 2:00 pm

Company & Contacts

Metropolitan St Louis Sewer District

Elizabeth Goetz, egoetz@stlmsd.com  

A general description of the work to be done under these contract documents is described as
follows.
· 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.