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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, 2026 SLURRY SEAL PROJECT, identified under Solicitation ID: 25-09. 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 pavement maintenance, specifically Type II Asphalt Slurry Seal application, across various streets in Walnut Creek, California. The scope of work includes traffic striping and pavement markings, traffic signage, traffic control, crack sealing, and tree trimming. Associated tasks such as mobilization, clearing, grubbing, removals, street sweeping, rolling, weed spraying, and lead compliance planning are also required. The project aims to restore and maintain the city's road infrastructure.

General Bid Items

  • Quantity: 1  Unit: LS  Work Item: Mobilization
  • Quantity: 1  Unit: LS  Work Item: Traffic, Pedestrian, and Bicycle Control
  • Quantity: 1  Unit: LS  Work Item: Clearing, Grubbing, and Removals
  • Quantity: 1  Unit: LS  Work Item: Street Sweeping
  • Quantity: 1  Unit: LS  Work Item: Rolling
  • Quantity: 1  Unit: LS  Work Item: Weed Spraying
  • Quantity: 1  Unit: LS  Work Item: Tree Trimming Including Certified Arborist
  • Quantity: 1  Unit: LS  Work Item: Crack Seal
  • Quantity: 1  Unit: LS  Work Item: Lead Compliance Plan
  • Quantity: 152318  Unit: SY  Work Item: Polymer Modified Slurry Seal (1 -Layer, TYPE II SEAL)
  • Quantity: 13  Unit: EA  Work Item: Remove Existing Traffic Signs
  • Quantity: 7  Unit: EA  Work Item: Install New MUTCD R1 -1 “STOP” Sign On Existing Pole
  • Quantity: 2  Unit: EA  Work Item: Install New MUTCD R1 -1 “STOP” Sign On New Sch. 40 Galvanized Pipe
  • Quantity: 3  Unit: EA  Work Item: Install New MUTCD R -81 “BIKE LANE” Sign On Existing Pole
  • Quantity: 3  Unit: EA  Work Item: Install New MUTCD R -81 “BIKE LANE” Sign on New Sch. 40 Galvanized Pipe
  • Quantity: 2  Unit: EA  Work Item: Install New “No Parking” Sign On New Sch. 40 Galvanized Pipe
  • Quantity: 1  Unit: EA  Work Item: Install New No Parking Sign On Existing Fence
  • Quantity: 7  Unit: EA  Work Item: Install New MUTCD D11 -1c “BIKE ROUTE” Sign On New Sch. 40 Galvanized Pipe
  • Quantity: 1  Unit: EA  Work Item: Install New MUTCD M5 -1 Sign
  • Quantity: 4  Unit: EA  Work Item: Install 30” Solar Flashing LED Octagon Retrofit Kit For Traffic Safety Signs
  • Quantity: 8  Unit: EA  Work Item: Install 36” Solar Flashing LED Octagon Retrofit Kit For Traffic Safety Signs
  • Quantity: 1455  Unit: LF  Work Item: 12” White Thermo plastic Stripe / Stop Bar
  • Quantity: 977  Unit: LF  Work Item: Caltrans Detail 2
  • Quantity: 3058  Unit: LF  Work Item: Caltrans Detail 21
  • Quantity: 2854  Unit: LF  Work Item: Caltrans Detail 22
  • Quantity: 180  Unit: LF  Work Item: Caltrans Detail 25
  • Quantity: 3807  Unit: LF  Work Item: Caltrans Detail 27B Right Edge Line
  • Quantity: 1338  Unit: LF  Work Item: Caltrans Detail 32
  • Quantity: 401  Unit: LF  Work Item: Caltrans Detail 38
  • Quantity: 219  Unit: LF  Work Item: Caltrans Detail 38A
  • Quantity: 10512  Unit: LF  Work Item: Caltrans Detail 39
  • Quantity: 1400  Unit: LF  Work Item: Caltrans Detail 39A
  • Quantity: 280  Unit: LF  Work Item: Red Curb Paint
  • Quantity: 150  Unit: LF  Work Item: Grey Curb Paint
  • Quantity: 12  Unit: EA  Work Item: Caltrans Shark Teeth Yield Line (WHITE)
  • Quantity: 8774  Unit: SF  Work Item: White Diagonal Hatch Area
  • Quantity: 367  Unit: LF  Work Item: White Ladder Crosswalk
  • Quantity: 478  Unit: LF  Work Item: Yellow Ladder Crosswalk
  • Quantity: 26  Unit: EA  Work Item: Caltrans Shared Roadway Bicycle Marking
  • Quantity: 47  Unit: EA  Work Item: Caltrans “STOP” Pavement Marking
  • Quantity: 22  Unit: EA  Work Item: Caltrans Bike Lane Symbol With Person Pavement Marking
  • Quantity: 23  Unit: EA  Work Item: Caltrans Type IV Arrow
  • Quantity: 2  Unit: EA  Work Item: Caltrans Type I Arrow
  • Quantity: 112  Unit: EA  Work Item: Triple Four Crosswalk
  • Quantity: 80  Unit: SF  Work Item: Green MMA
  • Quantity: 7  Unit: EA  Work Item: Parking Tee’s
  • Quantity: 37  Unit: EA  Work Item: FG 300 Delineators

NAICS Classification

NAICS 237310 – Highway, Street, and Bridge Construction (Primary category covering asphalt slurry seal, crack sealing, traffic striping, pavement markings, and installation of traffic signage and control devices, along with associated civil site work like clearing, grubbing, removals, sweeping, and rolling.), NAICS 561730 – Landscaping Services (Tree trimming and certified arborist services.)

Records and Due Date

This bid opportunity was entered into BidAmerica on December 8, 2025, and was last updated on December 5, 2025. All bids and/or proposals are due on December 18, 2025.

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.

2026 SLURRY SEAL PROJECT - Bid Opportunity | BidAmerica