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performed by Marshall Brothers was verified to be satisfactory. Staff recommends City Council award a construction contract to Marshall Brothers Enterprises, Inc. for $494,600. Consultant Services The current design contract with CSG includes bid and construction support services to review RFIs and the trash capture device submittal. In addition, the contract scope includes a review of the contractor's shoring plan. Under an existing on-call contract with the City, BSK will be providing material testing for the backfill of the structure. This will include sampling the backfill material and monitoring both the backfill operation and compaction testing. Budget A total of$300,000 is currently budgeted in the Koll Center Trash Capture Project, CIP No. 17443. This CIP was set up with the funding provided by the Caltrans Cooperative Agreement. The anticipated total expenditure for this project is $656,000, including a construction contingency of $92,440, and $21,425 in construction support services. An additional $356,000 is necessary to complete the project. Staff recommends the transfer of $206,000 from the Annual Installation of Trash Capture Devices, CIP No. 20443, and $150,000 from the Annual Installation of Trash Capture Devices, CIP No. 21443. It should be noted that the contingency amount recommended is fairly high at approximately 20 percent of the low bid. Staff believes this high amount is warranted given the potential for issues that can occur when making deep excavations that require dewatering as is required on this project. Schedule The design and fabrication of the trash capture device is anticipated to take 10 to 12 weeks. Construction of the site improvements is anticipated to begin in June 2021 and be completed by end of August 2021 prior to the wet weather season. In summary, the proposed schedule for the project is as follows: Approval of Plans and Specifications/Award of Contract March 2, 2021 Contractor to start Procurement of trash capture device April 2021 Contractor to start Construction June 2021 Construction Complete August 2021 Submitted by: Fiscal Review: Approve by: • Air-- Stephen Kirkpatrick Tina Olson Nelson Fialho Director of Engineering Director of Finance City Manager Attachments: 1. Funding and Estimated Expenditures Summary 2. Location Exhibit 3. Bid Summary Page 4 of 4