Buchanan Park Pond Loop Replacement

The City of Pittsburg, California is requesting sealed bids for demolition and replacement of deteriorated concrete pedestrian pathways and associated site improvements at Buchanan Park, with bids due September 24, 2026 at 11:00 a.m. at City Hall.

Bidders must hold either a California Class A General Engineering or C-8 Concrete Contractor license and be registered with the California Department of Industrial Relations (DIR). The project is subject to California prevailing wage requirements under Labor Code Section 1720 et seq. The prime contractor must perform at least 50% of the work with its own forces, except for work designated as Specialty Work; all subcontractors performing work exceeding one-half of 1% of the base bid price must be listed with DIR registration numbers.

Scope includes clearing and grubbing, selective tree removal (2 each), concrete and asphalt demolition, construction of new concrete walkways (4,200 SF), installation of Class II riprap (50 cubic yards) with geotextile fabric (132 square yards) for bank stabilization, erosion and sediment control measures, traffic and pedestrian control, protection and reinstallation of existing park amenities, and restoration of disturbed areas. The base bid schedule includes eight line items plus two additive alternates for additional sidewalk and riprap work. Work will incorporate City of Pittsburg standard details and specifications (2022) and California Department of Transportation standards (2025).

The estimated construction cost is $181,500. Bid security of 10% of the maximum bid amount is required as a cashier's check, certified check, or bid bond. The successful bidder must submit performance and payment bonds for 100% of the contract price within ten days of receiving the Notice of Potential Award. Work is anticipated to begin November 16, 2026, with a 60-calendar-day completion requirement; liquidated damages are assessed at $1,500 per day for unexcused delay beyond this period. The City will award the contract within 60 days after bid opening to the responsible bidder submitting the lowest responsive bid.

A non-mandatory pre-bid meeting will be held at the project site on September 17, 2026 at 11:00 a.m.