Secondary Clarifier No 1 Rehabilitation Project

The Secondary Clarifier No 1 Rehabilitation Project, solicitation C01979, is issued by the City of Santa Rosa Transportation and Public Works Department. The scope of work involves the rehabilitation of Secondary Clarifier No 1 at the Laguna Treatment Plant, specifically focusing on the demolition, replacement, and resurfacing of the influent feedwell, center column, center cage, and rake arm truss system. Additionally, the contractor must install new vacuum tube straps and a scum spray system. The project must be fully completed within 90 working days from the start date, with a critical operational window required between November 1, 2027, and April 30, 2028. Bidders must be responsive and responsible, possessing the necessary California contractor licenses and the capacity to perform the work. Requirements include a 10 percent bid bond, and the successful awardee must provide performance and payment bonds for 100 percent of the contract price. Evaluation is based on compliance with the Iran Contracting Act for contracts exceeding 1 million dollars and the acquisition of a City business tax certificate within ten days of the award. Technical acceptance requires the solids collection mechanism to function properly with plant effluent for three consecutive days and biological treatment influent for five consecutive days, while scum removal equipment must operate without mechanical issues for 30 days. Payment is structured through monthly itemized applications for labor, materials, and equipment. The contract mandates adherence to prevailing wage requirements, ASCE 7 Chapter 13 seismic design standards, and strict water quality discharge regulations. All equipment exceeding 100 pounds must include lifting lugs, and specific piping identification standards for labeling and color-coding must be followed. Bids must be submitted in sealed envelopes to the Transportation and Public Works Department by the specified deadline.