Agenda - Public Works Committee - 03/21/2023

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• A standby generator sized to meet emergency and load management electrical requirements. • Sitework includes grading, seeding, influent water main, sanitary sewer, storm sewer, piping appurtenances, an asphalt access road and parking lot, and a stormwater filtration basin. AE2S completed plans and specifications January of 2023. Advertisements for bids were published in the Anoka County Union Herald and in Finance & Commerce on Friday, January 27, and Friday, February 3, 2023. The project was also advertised and bid electronically through QuestCDN. Three bids were received and publicly opened on March 9, 2023. Attached is the project bid tabulation. Timeframe: Staff anticipates 15 minutes will be needed to present this case and respond to questions. Observations/Alternatives: Observations: The WTP trunk watermain improvements are proposed to be bid this Summer/Fall. Construction is anticipated to take 3 to 4 months to complete so these improvements can be constructed in 2024 and/or early 2025 to support a WTP commissioning date in Summer/Fall of 2025 Peak water use season typically begins early June and ends early September. A non -mandatory pre -bid meeting was held on February 15th and representatives from all 3 bidders attended. During that meeting several items were discussed including that the bidders recommended allowing more than 24 months for completion of construction from the date a contract is awarded. The bidders stated that it generally takes 3 to 4 months to execute contracts with their subcontractors and to order materials before construction can begin. This then only leaves the contractor 20 to 21 months to construct the WTP. As such they will likely increase their bids to account for the risk of financial penalties for not meeting specified completion deadlines. Staff discussed the contractor's comments with AE2S and an addendum was subsequently issued to include an alternate bid to extend the project completion deadline by 4 months at an overall project cost savings to the City. Below are the base bid and alternate bid project completion deadlines. Base Bid Completion Dates: 1. Substantial Completion by May 1, 2025. 2. Final Completion by August 1, 2025 Bid Alternate No. 1 Completion Dates: 1. Substantial Completion by September 1, 2025. 2. Final Completion by December 1, 2025 On April 28th the City Council will consider accepting the three (3) bids and awarding a contract for construction to the lowest bidder, potentially including their alternate bid saving the City approximately $50,000. Alternatives: Alternative #1: Motion recommending City Council acceptance of bids and award of construction contract for Improvement Project #21-09, Centralized Water Treatment Plant, to Magney Construction, Inc. in the amount of $31,478,500. Alternative #2: Motion of other.