County of Napa #RDS 22-26

Napa County Solicits Bids for Silverado Trail Intersection Safety Improvements

Napa County Public Works is seeking bids for safety improvements at the Silverado Trail intersections with Zinfandel Lane and Oak Knoll Avenue. - Project scope includes: - Traffic control during construction - Clearing, grubbing, and tree removal/replanting - Excavation, grading, and drainage installation - Roadway construction with aggregate base and hot mix asphalt paving - Installation of new signs, posts, and solar-powered streetlights - Application of striping and markings, including updated bike lanes and extended median striping - Two years of post-construction irrigation and monitoring for newly planted oak trees - No specific OEMs or vendors are named; the solicitation is open to qualified contractors - Compliance with Caltrans Local Assistance Procedures Manual, Buy America, and Davis-Bacon federal requirements is mandatory - All required forms and certifications must be submitted electronically via the County e-Procurement Portal

Description

This project involves safety improvements at the intersections of Zinfandel Lane and Oak Knoll Avenue with Silverado Trail in Napa County. The scope includes traffic control, clearing and grubbing (including tree removal and replanting), excavation, grading, drainage, aggregate base, hot mix asphalt, striping and markings, signs and posts, and solar powered streetlight installation. Improvements also include new southbound right-turn lanes, widened roadway aprons, median striping extensions, updated bike lane markings, signs, solar streetlights, and two years of post-construction irrigation and monitoring. The project is funded by federal and state sources and requires compliance with federal regulations such as Buy America and Davis-Bacon. Bidders must submit proposals electronically via the County e-Procurement Portal by July 9, 2026, 11:30 am.

View original listing