The Nitrifying Sidestream Treatment Project involves the construction of a flow diversion structure, fine screening facilities, nitrifying sequencing batch reactors, and other related work at the Sacramento Regional Wastewater Treatment Plant. The project requires a general engineering contractor with a class A license, and prequalification for electrical subcontractors and instrumentation and control subcontractors. The estimated construction cost is $46,100,000. The contract was awarded to Oscar Renda Contracting Inc. with a total bid amount of $52,025,000.90. Some key aspects of the project include:
• Construction of a flow diversion structure and influent pumping station
• Fine screening facilities and splitter box
• Nitrifying sequencing batch reactors with an adjacent equalization basin
• Aeration blowers and effluent pumping station
• Lime feed and storage building and electrical building
• Site grading, paving, and piping
The project also involves the submission of various forms and documents, including a bid form, proposed products form, proposed subcontractors form, and non-collusion affidavit.