Unofficial Notice of Invitation to Bid (NIB)

San Francisco City Public Works is seeking bids from qualified and interested contractors for the following project titled, TWIN PEAKS PROMENADE [CITYWIDE PLA], identified under Solicitation ID: 0000011188. Work is to be performed near 501 Twin Peaks Blvd, San Francisco, CA 94114, USA in San Francisco County.

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General Project Description

The Twin Peaks Promenade Project involves transforming approximately one-third of a mile of the eastern alignment of Twin Peaks Boulevard (permanently closed to vehicular traffic) into a linear park with a multi-use recreational trail. The project is located within an Environmentally Sensitive Area (ESA) that supports the federally protected Mission Blue Butterfly, requiring careful protection and restoration of natural habitat. Work includes removal of existing asphalt pavement, installation of stabilized soil trail paving, removal of concrete barriers and steel guardrails, and installation of new seating areas (benches, concrete seatwalls, wood plank benches). Trail edges will be defined with gabion walls, Sutter walls, and redwood headers, with split-rail fencing. The parking lot will be reconfigured and restriped to include ADA-accessible parking and bicycle parking. The project also includes erosion control measures, habitat restoration through native plantings, and installation of wayfinding, interpretive, and trail map signage. Service and emergency vehicle access will be provided with removable bollards at both north and south ends of the promenade.

General Bid Items

Quantity: 1 Unit: LS Work Item: The Work per Plans and Specifications (Excluding bid items listed below).
Quantity: 811 Unit: EA Work Item: Labor to Install 1-gallon Size Plants (Contigency Bid Item).
Quantity: 152 Unit: EA Work Item: Labor to Install D-40 Size Plants (Contigency Bid Item).
Quantity: 3518 Unit: SF Work Item: Labor to Install Mulch (Contigency Bid Item).
Quantity: 1 Unit: AL Work Item: Allowance for Import Aggregate Base, Specifications: $17,000.
Quantity: 1 Unit: AL Work Item: Allowance for Environmental Work, Specifications: $15,000.
Quantity: 1 Unit: AL Work Item: Allowance for Partnering Facilitation and Related Costs, Specifications: $13,000.

NAICS Classification

NAICS 237310 – Highway, Street, and Bridge Construction (Road construction, recreational trail development, asphalt removal, stabilized soil trail paving, concrete barrier removal)., NAICS 238910 – Site Preparation Contractors (Habitat restoration, erosion control measures, grading operations, excavation)., NAICS 561730 – Landscaping Services (Native planting, landscape maintenance)., NAICS 238140 – Masonry Contractors (Gabion wall, Sutter wall construction, ornamental boulder placement)., NAICS 238190 – Other Foundation, Structure, and Building Exterior Contractors (Concrete seatwall construction)., NAICS 238990 – All Other Specialty Trade Contractors (Installation of site furnishings like benches, bollards, and site signage).

Records and Due Date

This bid opportunity was entered into BidAmerica on December 8, 2025, and was last updated on January 6, 2026. All bids and/or proposals are due on January 14, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by San Francisco City Public Works. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from San Francisco City Public Works prior to bidding.