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Renovation of a water / sewer project in Ocala, Florida. Completed plans call for the renovation of a water / sewer project.

As of October 17, 2024, this project has not yet been awarded. A timeline for the award has not yet been established. The Utilities Department is soliciting fully licensed and qualified contractors to install a new odor control system for the Silver Spring Shores Waste Water Treatment Plant (WWTP) Head-works and Digester systems located at 450 Emerald Road, Ocala, FL 34472. As the facility treats more wastewater coming into the facility, as a result of growth, the potential for odors increases. The Silver Springs Shores Wastewater Treatment Plant (WWTP) is located at 450 Emerald Road, Ocala, FL 34472. The scope of work for this project is to furnish and install an odor control system for the WWTP. This will include the supply and installation of the following equipment in addition to all of the ancillary work to make this equipment fully operational: (1) Biotrickling Filter (BTF) at the WWTP headworks; (2) Carbon Scrubber at the aerobic digesters; and (3) Extruded aluminum flat cover system over the two digester basins. All work shall be installed by a licensed General Contractor in the State of Florida and the Contractor shall provide a copy of their license with their Proposal. Additionally, the Contractor shall provide a list of any proposed subcontractors with their proposals including a copy of the subcontractor's licenses. Bid Bond 5% Question Deadline 09/05/2024 at 12:00 PM ET For questions relating to this bid, contact: Caley Conard | caley.conard@marionfl.org. Bid open description: Marion County Procurement Services will continue to offer all formal bid openings and Selection Committee Meetings via videoconference on Teams, and most Pre-Bid/Pre-Award Meetings via teleconference, until further notice. Meeting ID: 279 191 131 382 Passcode: xLyKb6 A. The biotrickling filter odor control system shall utilize a high surface area synthetic/inert media to provide an optimal site for growth of microorganisms (aka: biomass). This media has a high surface/high void area for optimal treatment in a small footprint. A blower conveys the odorous air from the odor source to the bottom plenum of the vessel where the air then passes upward through the vessel and media bed. As the odorous air travels upward, it contacts the biomass where non-pathogenic sulfur oxidizing bacteria that are immobilized on the synthetic media remove H2S and other odorous VOCs. The counter-current flow of air and water/nutrients enhance the mass transfer to the bacteria where the biological sulfide oxidation takes place and odorous compounds are converted to weak sulfuric acid and other soluble sulfates and are removed in the drain water. To maintain a healthy biological population, water and nutrients are conveyed from the nutrient feed panel to the spray header above the media bed via plant water pressure and/or a recycle pump. Neutralizing or oxidizing chemicals shall not be utilized to accomplish odor control within the biotrickling filter. B. The carbon filter works by removing odors through adsorption to the carbon media. To avoid fouling the carbon media with grease and water, a grease/moisture separator shall be installed on the ductwork from the digesters prior to the ventilation fan. The proposed carbon filter system will be designed to scrub only one basin at a time, and will run only when odor control is needed, which is immediately after the aeration blower is turned on in a digester that has just been decanted. Normally, all four dampers will be kept closed. Immediately after decanting a digester, the operator will open the two dampers on the digester that has just been decanted, and then turn on the carbon filter blower. He will then turn on the digester aeration blower. The carbon filter blower will only need to be on for about an hour or until all the odors have been stripped out of the newly decanted digester. After the carbon filter blower is turned off, the operator will close the two dampers opened at the beginning of the procedure. A special carbon filter media blend shall be provided that is designed to remove over 99% of the ammonia and volatile organic compounds (VOCs) stripped from the decanted digester. This media shall not remove H2S, since H2S is not generated in an aerobic digester that has been unaerated for a relatively short period of time.

Bid Results

Water / Sewer

$993,380.00

Public - County

Renovation

Documents for this project are exclusively Specifications. If Plans become available, we will add them here.

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