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Unofficial Notice of Invitation to Bid (NIB)

Walnut Creek City is seeking bids from qualified and interested contractors for the following project titled, Walker Avenue Pedestrian Improvement Project, identified under Solicitation ID: 20-28. Work is to be performed near 1666 N Main St, Walnut Creek, CA 94596, USA in Contra Costa County.

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General Project Description

This project involves pedestrian improvements on Walker Avenue, Mount Diablo Boulevard, and San Miguel Drive in Walnut Creek, California. The scope of work includes traffic control, concrete removal, tree removal, installation of new concrete curb, gutter, sidewalk, curb ramps, and driveways, Hot Mix Asphalt (HMA) pavement resurfacing and grading, utility adjustment, curb painting, traffic striping, pavement markings and markers, signage, and street light installation.

General Bid Items

  • Quantity: 1  Unit: LS  Work Item: Mobilization
  • Quantity: 1  Unit: LS  Work Item: Surveying and Dimensional Control
  • Quantity: 1  Unit: LS  Work Item: Clearing and Grubbing
  • Quantity: 1  Unit: LS  Work Item: Environmental Protection
  • Quantity: 1  Unit: LS  Work Item: Traffic Control and Construction Area Signs
  • Quantity: 1  Unit: EA  Work Item: Tree Removal
  • Quantity: 1  Unit: LS  Work Item: Landscape Restoration
  • Quantity: 1  Unit: EA  Work Item: Adjust Water Valve Box
  • Quantity: 2160  Unit: SF  Work Item: Remove and Dispose Full Depth AC Pavement and Reconstruct Base
  • Quantity: 1000  Unit: SF  Work Item: Grind Upper 2" of AC Pavement
  • Quantity: 980  Unit: SF  Work Item: Remove and Dispose Existing Concrete Sidewalk and Curb Ramps
  • Quantity: 140  Unit: LF  Work Item: Remove and Dispose Existing Concrete Curb and Gutter
  • Quantity: 1  Unit: LS  Work Item: Remove Existing Crosswalk Striping and Road Markings
  • Quantity: 161  Unit: TON  Work Item: Install HMA Overlay
  • Quantity: 1497  Unit: SF  Work Item: Install New PCC Sidewalk
  • Quantity: 168  Unit: LF  Work Item: Install New PCC Curb and Gutter
  • Quantity: 88  Unit: LF  Work Item: Install New PCC Type B Curb
  • Quantity: 343  Unit: SF  Work Item: Install New PCC ADA Curb Ramp
  • Quantity: 1  Unit: EA  Work Item: Adjust Stormdrain Manhole to Grade
  • Quantity: 17  Unit: EA  Work Item: Install New Type Q Object Marker
  • Quantity: 296  Unit: LF  Work Item: Install New MUTCD Detail 22 Centerline
  • Quantity: 90  Unit: LF  Work Item: Install New MUTCD Detail 27B Edgeline
  • Quantity: 50  Unit: LF  Work Item: Install New MUTCD Detail 29 Edgeline
  • Quantity: 88  Unit: LF  Work Item: Install New MUTCD Detail 41 Centerline Extension
  • Quantity: 194  Unit: LF  Work Item: Install New Crosswalk Striping
  • Quantity: 1  Unit: LS  Work Item: Install New MUTCD Yield Line
  • Quantity: 1  Unit: LS  Work Item: Install New High-Build Median Curb Paint and Retroreflective Markers
  • Quantity: 4  Unit: EA  Work Item: Remove Existing Sign and Post
  • Quantity: 4  Unit: EA  Work Item: Install New Sign and Post
  • Quantity: 2  Unit: EA  Work Item: Remove Existing and Install New Sign on Existing Post
  • Quantity: 1  Unit: EA  Work Item: Set Measure J Sign and Posts

NAICS Classification

237310 – Highway, Street, and Bridge Construction (General construction of roads, streets, sidewalks, and pedestrian facilities, including paving and striping)., 237130 – Power and Communication Line and Related Structures Construction (Street light installation and utility adjustments)., 238910 – Site Preparation Contractors (Clearing and grubbing, excavation, and concrete/tree removal for site preparation)., 237990 – Other Heavy and Civil Engineering Construction (Stormdrain manhole adjustment and various civil engineering works)., 238110 – Poured Concrete Foundation and Structure Contractors (Installation of concrete curb, gutter, sidewalk, curb ramps, and driveways)., 238190 – Other Foundation, Structure, and Building Exterior Contractors (Signage installation)., 541370 – Surveying and Mapping (except Geophysical) Services (Surveying and dimensional control).

Records and Due Date

This bid opportunity was entered into BidAmerica on February 9, 2026, and was last updated on February 9, 2026. All bids and/or proposals are due on February 19, 2026.

Contractors may log in or create a free BidAmerica account to view full project documents, plans, specifications, addenda, submission requirements, and more project details issued by Walnut Creek City.

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 Walnut Creek City. 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 Walnut Creek City prior to bidding.

Walker Avenue Pedestrian Improvement Project - Bid Opportunity | BidAmerica