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File Number: 25-161 <br />amphitheater seat walls. Addition of a new walking labyrinth feature was included as an Alternate <br />Additive Bid Item. <br />In April 2025 the project was readvertised for construction bids with the updated design. <br />Analysis <br />Bids were opened on May 8, 2025. One (1) bid was received with a Base Bid of $349,842.88. <br />The engineer’s pre-bid estimate for construction of the base bid was $204,553. The significant <br />variance between the low bidder and the City Engineer’s pre-bid estimate can be attributed to the <br />unpredictable price fluctuations within the construction industry. <br />The bid included three optional Additive Alternates: ‘A’ for the installation of a walking labyrinth <br />with decomposed granite, ‘B’ the replacement of decomposed granite on the base bid with <br />GraniteCrete, and ‘C’ the replacement of decomposed granite within the walking labyrinth <br />included as Additive Alternate ‘A’ with GraniteCrete. Because the base bid is higher than the <br />Engineer’s estimate, Staff does not recommend including Additive alternate ‘A’ (walking <br />labyrinth) and Additive Alternate ‘C’ (use of GranitCrete within labyrinth) as the costs are higher <br />than expected and staff deems the benefit insufficient to justify the additional expense. The bid <br />received for Additive Alternate ‘B’ (use of GraniteCrete within walking paths) is $11,245. <br />GraniteCrete is an additive that can be incorporated into decomposed granite surfaces to <br />increase its durability and stability. Staff recommends including Additive Alternate ‘B’ <br />(GraniteCrete) to the Base Bid as the additional cost would be offset over time by reduced <br />maintenance of the decomposed granite walkways. <br />Staff therefore recommends the award of a construction contract to Raposo Engineering, Inc. for <br />the Base Bid plus Additive Alternate ‘B’ for a total amount of $361,087.88. <br />None of the bidders has an office in San Leandro that would qualify them as a local business per <br />the Local Inclusion Policy Ordinance. Raposo Engineering, Inc. does not meet the Local <br />Business Participation Goal by subcontracting with San Leandro businesses for a minimum 25% <br />of the contract value. However, Raposo Engineering, Inc. has provided documentation that <br />demonstrated their good faith efforts to meet the local business participation goal. <br />To minimize delay to the project and ensure that the scope of work can be adjusted as needed to <br />provide the highest quality project for the City, Staff requests authorization to negotiate and <br />approve individual change orders up to 5% (or $18,054) of the original contract amount and <br />cumulative change orders up to 10% (or $36,108) of the original contract amount. This will ensure <br />efficient completion of the project on budget and on schedule. <br />Community Workforce Agreement <br />The requirements of the Community Workforce Agreement do not apply to the project. Although <br />the project is paid in whole or in part out of City General Fund, the Engineer’s estimate and bid do <br />not exceed the $1 million threshold. <br />Current Agency Policies <br />Page 2 City of San Leandro Printed on 9/4/2025