Active SLED Opportunity · MISSOURI · CITY OF SPRINGFIELD, MO - DIVISION OF PURCHASES
AI Summary
City of Springfield, MO seeks a chemical provider for odor control chemicals to treat wastewater odors at key sewer and treatment plant locations. The contract focuses on iron salts and hydrogen peroxide treatments to minimize odor complaints and control hydrogen sulfide levels.
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See bid but the summary is : The City of Springfield’s sewer collection system provides service to over 72,000 residential connections and 6,800 commercial/industrial connections delivering an average of 35 million gallons of wastewater per day to the Southwest Wastewater Treatment Plant (SWTP). The City has experienced odor control complaints at the SWTP and along the plant’s main collection system. The City performed a multiphase odor control demonstration program in 2006 to determine the best method to control odors at the plant. The addition of iron salts and hydrogen peroxide in the collection system proved to be an effective method of controlling odors.
3.1.1 The intent of this bid, and the resulting contract, is to obtain a Chemical Provider who shall provide Odor Control Chemicals for the City of Springfield, MO, to control odors at select locations in the collection and at the SWTP. This system shall include the addition of iron salts at the Lone Pine lift station, which feeds into the James River force main and the addition of hydrogen peroxide at the influent junction box located at the SWTP to regenerate spent iron. In addition, the Wilson Creek gravity interceptor will be treated with hydrogen peroxide alone.
3.1.2 The program goals will include minimizing the occurrence/frequency of odor complaints and controlling hydrogen sulfide in the James River force main. In addition, the City of Springfield will monitor the following specific target levels will be used to evaluate the effectiveness of the odor control program:
3.1.2.1 Dissolved Sulfide daily average at the primary clarifier effluent less than 0.2 mg/L.
3.1.2.2 Vapor H2S daily average at High Point structure in the James River force main less than 15 ppm.
3.1.2.3 Vapor H2¬S daily average at the SWTP Influent Junction Structure less than 15 ppm.
3.1.2.4 Maintain a BOD / Dissolved Phosphorous ratio less than 100 at the primary clarifier effluent to ensure minimum phosphorous levels are maintained.
SLED stands for State, Local, and Education. These are solicitations issued by state governments, counties, cities, school districts, utilities, and higher education institutions — as opposed to federal agencies.
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