San Bruno Avenue Retaining Walls

The City of Brisbane, California is requesting sealed bids for construction of two soldier pile and wood lagging retaining walls along San Bruno Avenue (Project No. 924E), with bids due October 28, 2026 at 12:00 p.m. at City Hall, 50 Park Place, Brisbane, California 94005.

The scope includes furnishing labor, materials, and equipment to stabilize two sediment-slide locations following heavy winter rainfall. Retaining Wall No. 1, approximately 300 feet south of Thomas Avenue, measures approximately 40 linear feet by 7 feet high. Retaining Wall No. 2, positioned approximately 80 feet south of the first wall, measures approximately 70 linear feet by 8 to 14 feet high. The work includes mobilization, clearing and grubbing, traffic control, structure excavation, concrete and structure backfill, steel soldier piling (428 linear feet of W16x36 and 183 linear feet of W18x65), timber lagging (1,125 square feet), and asphalt concrete (2 tons).

Sealed bids must include a Proposal Guarantee of no less than 10% of the bid amount. Upon contract execution, the contractor must provide proof of insurance and two surety bonds, each equal to at least 100% of the contract price — one for faithful performance and one for labor and materials. Written bid questions are due October 21, 2026 at 12:00 p.m. Bids will be publicly opened and read on October 28 at 12:00 p.m. via a hybrid meeting format. A mandatory pre-construction meeting will follow award, with field review by city staff before construction commences. The contractor must enter into a contract within 10 days of award notification or forfeit the Proposal Guarantee. Plans and Specifications are available for purchase at www.brisbaneca.org under the "Bids and RFPs" link. Contact the City of Brisbane Public Works Department at (415) 508-2130 or Tomas Santoyo at tsantoyo@brisbaneca.org for additional information.