West Pueblo Ditch Repair Project
Closed State & local contract opportunity
- Solicitation number
- RDS 25-36
- State
- California
- Responses due
Opportunity facts
- Jurisdiction
- Point of contact
-
- Dewey Phan dewey.phan@countyofnapa.org (707) 259-8279
Opportunity details come from procurement.opengov.com. Updated .
About this opportunity
Napa County is requesting bids on the West Pueblo Ditch Repair Project (IFB #RDS 25-36) to enclose an existing open stormwater drainage ditch by installing approximately 12,000 linear feet of 24-inch HDPE storm drain pipe along West Pueblo Avenue in Napa, California, with bids due July 7, 2026 at 11:30 a.m. and a mandatory pre-bid walkthrough on June 18, 2026 at 9:00 a.m.
Contractors must hold a valid California Class A or C-12 license at contract award and be registered with the California Department of Industrial Relations as a Public Works Contractor. The project is subject to prevailing wage requirements under California Labor Code.
The scope includes excavation, pipe installation and connections to existing private storm drain laterals, installation of drainage inlets spaced every 200 linear feet, backfill and compaction to 90 percent relative density, vegetation clearing and grubbing, erosion control and stormwater best management practices, and site restoration. All work must comply with the 2025 Caltrans Standard Specifications and Standard Plans, the 2026 Caltrans California Manual on Uniform Traffic Control Devices, and the 2023 Napa County Road & Street Standards. The contractor is responsible for Underground Service Alert notification at least 48 hours prior to excavation, dust control, traffic maintenance on adjacent streets, and indemnification of Napa County and the project engineer. A one-year warranty period applies to all work and materials from the date of notice of completion.
The engineer's estimate is $225,000. Construction is anticipated to begin in September 2026 and be completed by October 15, 2026, with work limited to 30 working days and restricted to Monday through Friday, 8:00 a.m. to 5:00 p.m. Liquidated damages are set at $1,500 per calendar day for delays. All bids require a bid guarantee equal to 10% of the total bid amount, and the successful bidder must furnish a Performance Bond and Labor and Material Bond, each equal to 100% of the contract price. Questions and substitution requests are due June 25, 2026 at 12:00 p.m. Bid opening will be conducted publicly via Teams meeting. Napa County reserves the right to reject any or all bids.
Opportunity text
Napa County is seeking qualified contractors to complete improvements to an existing stormwater drainage facility located along the rear property lines of residences on W Pueblo Avenue in Napa, CA. The project will enclose the remaining sections of an open drainage ditch by installing a new 24-inch HDPE storm drain pipe. The new pipe will connect to previously installed pipe segments in the flowline of the ditch and to existing private storm drain laterals extending into the ditch.
Work includes excavation, pipe installation, connections to existing infrastructure, backfill and compaction, installation of drainage inlets, vegetation clearing and grubbing, erosion control, and site restoration. Construction will occur within an existing disturbed corridor with access provided by Napa County. No known underground utility conflicts are anticipated. The Contractor will be responsible for protecting adjacent properties and restoring all disturbed areas upon completion of the work.
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