Unofficial Notice of Invitation to Bid (NIB)

Modesto City is seeking bids from qualified and interested contractors for the following project titled, Retroreflective Backplates, LED Stop Signs Installation, Rectangular Rapid Flashing Beacons (RRFB), identified under Solicitation ID: 2026-09. Work is to be performed near 1010 10th St, Modesto, CA 95354, USA in Stanislaus County.

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General Project Description

This project involves the installation of traffic safety enhancements including retroreflective backplates, LED stop signs, and rectangular rapid flashing beacons (RRFB) at various locations within the City of Modesto. The extensive scope covers the removal and salvage of existing traffic signal components, furnishing and installing new signal indications with various retroreflective border backplates (ball, arrow, louvers, flashing yellow), bike signals, and associated mounting assemblies. It also includes the removal and installation of new overhead signs. General civil work such as clearing, grubbing, mobilization, demolition (existing concrete, trees, traffic stripes, pavement markers), earthwork (roadway excavation, soil handling including aerially deposited lead, hazardous materials management), street construction (potholing, sawcut, disposal of excavated materials, aggregate base, hot mix asphalt, concrete curbs, gutters, sidewalks, detectable warning surfaces, foundations), and street lighting electrical work (conduit, wiring, grounding, foundations, submittals, materials, coordination, measurement and payment) are required. Furthermore, the project encompasses signals and signal electrical systems, including advanced transportation controllers (ATC), pedestrian signals, push buttons, luminaires, photoelectric controls, detectors, signal wiring, pull boxes, detector handholes, signs, and battery backup systems. Traffic control, barricades, pavement markings, and monument preservation are also integral bid items. Compliance with various federal and state regulations, including Buy America requirements and prevailing wage laws, is mandatory. The project will utilize the e-builder Project Management Information System for document management and workflow.

General Bid Items

Quantity: 814 Unit: EA Work Item: Remove and Salvage Existing Traffic Signal Indication, Mounting Framework, and Backplate.
Quantity: 224 Unit: EA Work Item: Furnish and Install 3- Section 12” Traffic Signal Indication and Framework with Yellow Retroreflective Border Backplate (Ball Indication).
Quantity: 43 Unit: EA Work Item: Furnish and Install 3- Section 12” Traffic Signal Indication and Framework with Yellow Retroreflective Border Backplate (Arrow Indication).
Quantity: 1 Unit: EA Work Item: Furnish and Install 3- Section 12” Traffic Signal Indication with Louvers and Framework with Yellow Retroreflective Border Backplate (Ball Indication).
Quantity: 21 Unit: EA Work Item: Furnish and Install 4- Section 12” Traffic Signal Indication and Framework with Yellow Retroreflective Border Backplate.
Quantity: 2 Unit: EA Work Item: Furnish and Install 4 -Section 12" Traffic Signal Indication with Louvers and Framework with Yellow Retroreflective Border Backplate.
Quantity: 78 Unit: EA Work Item: Furnish and Install 4 -Section Flashing Yellow 12" Traffic Signal Indication and Framework with Yellow Retroreflective Border Backplate.
Quantity: 2 Unit: EA Work Item: Furnish and Install 5 -Section 12" Traffic Signal Indication and Framework with Yellow Retroreflective Border Backplate.
Quantity: 8 Unit: EA Work Item: Furnish and Install 12" Bike Signal Indication and Framework with Yellow Retroreflective Border Backplate.
Quantity: 196 Unit: EA Work Item: Furnish and Install 3- Section SV -1-T Mounting Assembly.
Quantity: 33 Unit: EA Work Item: Furnish and Install 3- Section SV -2-T Mounting Assembly.
Quantity: 7 Unit: EA Work Item: Furnish and Install 3- Section SV -3-T Mounting Assembly.
Quantity: 106 Unit: EA Work Item: Furnish and Install 3- Section TV -1-T Mounting Assembly.
Quantity: 14 Unit: EA Work Item: Furnish and Install 3- Section TV -2-T Mounting Assembly.
Quantity: 2 Unit: EA Work Item: Furnish and Install 3- Section TV -3-T Mounting Assembly.
Quantity: 1 Unit: EA Work Item: Furnish and Install 3- Section TV -4-T Mounting Assembly.
Quantity: 272 Unit: EA Work Item: Furnish and Install MAS Mounting Assembly.
Quantity: 56 Unit: EA Work Item: Furnish and Install MAS -4B Mounting Assembly.
Quantity: 11 Unit: EA Work Item: Furnish and Install Extension for Proposed 3- Section Indication Mounted on Proposed 4- Section Indication Mounting.
Quantity: 1 Unit: EA Work Item: Furnish and Install Extension for Proposed 3- Section Indication Mounted on Proposed 5- Section Indication Mounting.
Quantity: 32 Unit: EA Work Item: Furnish and Install 4- Section TV -1-T Mounting Assembly.
Quantity: 6 Unit: EA Work Item: Furnish and Install 4- Section TV -2-T Mounting Assembly.
Quantity: 2 Unit: EA Work Item: Furnish and Install 4- Section SV -1-T Mounting Assembly.
Quantity: 1 Unit: EA Work Item: Furnish and Install 4- Section SV -2-T Mounting Assembly.
Quantity: 2 Unit: EA Work Item: Furnish and Install 4- Section SV -3-T Mounting Assembly.
Quantity: 1 Unit: EA Work Item: Furnish and Install 5 -Section SV -1-T Mounting Assembly.
Quantity: 1 Unit: EA Work Item: Furnish and Install 5- Section TV -2-T Mounting Assembly.
Quantity: 37 Unit: EA Work Item: Remove Existing and Furnish and Install New Overhead Signs.
Quantity: 1 Unit: LS Work Item: Traffic Control, Barricades, and Other Related Fees.
Quantity: 1 Unit: LS Work Item: Mobilization/Demobilization.
Quantity: 1 Unit: LS Work Item: Water Pollution Control Plan (WPCP).
Quantity: 1 Unit: LS Work Item: Clearing, Grubbing & Mobilization (Retroreflective Backplates, HSIP 5059 (252)).
Quantity: 1 Unit: LS Work Item: HAWK System - Sylvan Ave at North Hampton Ln - with Striping and Signing Complete Operational per plans, including Traffic Control.
Quantity: 1 Unit: LS Work Item: Install LED Stop Signs on All Approaches - Jefferson St at Vine St, Wylie Dr at Rose Ave, Rumble Rd at Carver Rd, and Poust Rd at Chapparal Pl. Complete Operational per plans, including Traffic Control.
Quantity: 1 Unit: LS Work Item: Monument Preservation.
Quantity: 1 Unit: LS Work Item: Clearing, Grubbing & Mobilization (RRFB & Striping, HSIP 5059 (251)).
Quantity: 1 Unit: LS Work Item: RRFB - Granger Ave at Florida Ave - with Striping and Signing Complete Operational per plans, including Traffic Control.
Quantity: 1 Unit: LS Work Item: RRFB - Morris Ave at Auburn St - with Striping and Signing Complete Operational per plans, including Traffic Control.
Quantity: 1 Unit: LS Work Item: RRFB -

NAICS Classification

237310 – Highway, Street, and Bridge Construction, 238210 – Electrical Contractors and Other Wiring Installation Contractors, 238990 – All Other Specialty Trade Contractors

Records and Due Date

This bid opportunity was entered into BidAmerica on December 23, 2025, and was last updated on January 21, 2026. All bids and/or proposals are due on January 27, 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 Modesto 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 Modesto City prior to bidding.