Renovation of a water / sewer project in Santa Barbara, California. Completed plans call for the renovation of a water / sewer project.

Q&A Deadline March 26, 2024 11:59 PM (PDT) Location and Description. The Project is located at the El Estero Water Resource Center (520 E. Yanonali Street, Santa Barbara CA, 93103), and is described as follows. Provision of new instrumentation to confirm that the secondary processes achieve nitrification and enable free chlorine disinfection if desired: Furnish and install a new sample filter and pump in the Mixed Liquour Channel. Furnish and install a new ammonia analyzer and shade structure. Modifications to existing chemical dosing and piping to enable the plant to operate in "Yard Piping Mode" for disinfection and provide redundancy to the existing chlorine contact chamber ("CCC"): Relocate existing sodium hypochlorite dosing point at the Secondary Clarifier Effluent to the Secondary Effluent Sump ("SE Sump") by modifying existing chemical piping and manual valving, and furnish and install a new hypochlorite chemical diffuser and day tank. Provide for a sodium bisulfite dosing point at the CCC Flash Mixer Box, by modifying existing chemical piping and manual valving. Provide and install Liquid Ammonium Sulfate (LAS) chemical piping from existing LAS dosing location at the SE Sump to the UF Building, and provide and install a new LAS diffuser at the SE Sump. Furnish and install a new chlorine analyzer at the SE Sump and a new level transmitter at the CCC Flash Mixer Box. Modify existing sample piping for the existing chlorine analyzers at the CCC Flash Mixer Box. Rehabilitation of the existing CCC: Demolish the existing Influent Gate and replace with a new slide gate. Demolish the existing Effluent Gate and replace with a new slide gate. Demolish the existing Bypass Gate and replace with a new weir gate. Replace existing Flash Mixer with new Flash Mixer and provide one shelf spare (furnish two total). Modify existing sodium bisulfite chemical piping, and furnish and install a new sodium bisulfite diffuser at the CCC. Repair deck level concrete cracks and exposed rebar as needed. Repair concrete in the CCC tank as needed after draining tank. Add new catwalks and steel ladders for improved access to the basins. Demolish unused existing electrical and piping features. Bid Bond 5.00% Payment Bond 100.00% Performance Bond 100.00% Online Q&A Yes Q&A Deadline 03/26/2024 11:59 PM (PST) Time for Final Completion. The Project must be fully completed within 183 calendar days from the start date set forth in the Notice to Proceed. City anticipates that the Work will begin on or about May 15, 2024, but the anticipated start date is provided solely for convenience and is neither certain nor binding. The Project consists of improvements to the existing chlorine contact chamber (CCC) at the El Estero Water Resource Center due to age and lack of redundancy. The project includes various repairs to the CCC structure; access and safety upgrades to the CCC; replacement of the influent, effluent, and bypass CCC gates; upgrades to chemical dosing and mixing at various locations; and a new yard piping disinfection mode with free chlorine, allowing for redundancy and bypass of the CCC during low flows and to perform maintenance. a. Stantec slides. b. Reference drawings from Plan Set. The online Q&A has been extended to 11:59 P.M. on Friday, May 3, 2024.