Unofficial Notice of Invitation to Bid (NIB)

Pittsburg City is seeking bids from qualified and interested contractors for the following project titled, LINSCHEID DRIVE TRAFFIC CALMING PROJECT, identified under Solicitation ID: PROJECT NO. 4079. Work is to be performed near 65 Civic Ave, Pittsburg, CA 94565, USA in Contra Costa County.

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General Project Description

This project involves the construction of traffic calming measures on Linscheid Drive in Pittsburg, California. The scope of work includes installing a roundabout, striping, signage, and all other necessary work to complete the project in accordance with the provided Plans, Specifications, and as directed by the Engineer. Key tasks include site preparation, Storm Water Pollution Prevention Plan (SWPPP) implementation, traffic control, sawcutting and removal of existing pavement, installing various types of median curbing (8" median curb, 3" roundabout mountable curb), asphalt concrete deeplift, median infill with river rock, roundabout stamped concrete surfacing, installation of landscape boulders, removal and installation of stop signs, and removal and application of thermoplastic striping and pavement markings. Construction surveying is also required, including control line, pothole, survey monument referencing, construction staking, and as-built GPS surveys.

General Bid Items

Quantity: 1 Unit: LS Work Item: Site Preparation/Mobilization
Quantity: 1 Unit: LS Work Item: SWPPP Implementation and Erosion Control
Quantity: 1 Unit: LS Work Item: Traffic Control/Staging
Quantity: 2347 Unit: SF Work Item: Sawcut and Remove Existing AC Pavement, Specifications: 4” AC/8” CL II AB
Quantity: 96 Unit: LF Work Item: 8” Median Curb, Specifications: M1-8 Curb
Quantity: 159 Unit: LF Work Item: 3” Roundabout Mountable Curb
Quantity: 636 Unit: SF Work Item: Asphalt Concrete Deeplift
Quantity: 727 Unit: SF Work Item: Median Infill River Rock, Specifications: 3" to 5"
Quantity: 1219 Unit: SF Work Item: Roundabout Stamped Concrete Surfacing (Colored), Specifications: 6” PCC/6” CL II AB
Quantity: 8 Unit: EA Work Item: Four Foot Diameter Landscape Boulder
Quantity: 1 Unit: EA Work Item: Remove Stop Sign w/ Post
Quantity: 265 Unit: LF Work Item: Remove Thermoplastic Stripe
Quantity: 63 Unit: SF Work Item: Remove Thermoplastic Pavement Marking
Quantity: 10 Unit: EA Work Item: Install New One Post Sign
Quantity: 45 Unit: LF Work Item: Thermoplastic Traffic Stripe, Specifications: Detail 27B (Caltrans Striping Detail 27B)
Quantity: 72 Unit: LF Work Item: Thermoplastic Traffic Stripe, Specifications: Detail 37D (Caltrans Striping Detail 37D)
Quantity: 62 Unit: LF Work Item: Thermoplastic Traffic Stripe, Specifications: Detail A24G (Caltrans Striping Detail A24G)
Quantity: 319 Unit: LF Work Item: 6” Double Yellow Thermoplastic Striping

NAICS Classification

237310 – Highway, Street, and Bridge Construction, 238910 – Site Preparation Contractors, 238320 – Painting and Wall Covering Contractors, 237990 – Other Heavy and Civil Engineering Construction, 541370 – Surveying and Mapping Services, 541330 – Engineering Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 11, 2026, and was last updated on February 11, 2026. All bids and/or proposals are due on February 19, 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 Pittsburg 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 Pittsburg City prior to bidding.