Advertisement date October 22, 2025 @ 5:30 p.m. through bid opening date

License No. 626859
5400 Hanna Ranch Road Novato, CA 94945
Phone: 415.456.8972 Fax: 415.459.0665

THOMPSON BUILDERS CORPORATION is requesting bids from ALL subcontractors, suppliers & truckers for the following project:
Name: Napa River/Napa Creek Flood Protection- Floodwalls North of the Bypass
Owner: Napa County Flood Control and Water Conservation District
Est: $34,671,000
Bid Date: 11/21/25 at 4:30pm
GOALS: small business, veteran-owned small business, service-disabled veteran-owned small business, HUBZone small business, small disadvantaged business, and women-owned small business
Box Link: https://tpcorp.box.com/s/kv7trkanfl5s20dl7ryj7puiy7159cjv

The project includes construction of concrete and sheet pile floodwalls, metal stop log and swing gate closure structures, recreational trails, O&M roads, channel stabilization, and associated infrastructure for flood protection in the City of Napa.

Quotes for Services and Supplies requested for the following items for bid including but not limited to:  Traffic Control, Storm Water Pollution Control, Clearing And Grubbing, Vibration Monitoring, Demolish Existing Facilities, Relocate Mailbox, Remove And Replace Ace And Vine Sign, Remove And Replace Pet Hospital Sign, Closure Structure #1, Closure Structure #2, Closure Structure #3, Inspection Trench Excavation And Backfill, Excavation (F), Earthen Backfill (F), Floodwall - Concrete T-Wall Footing (F), Floodwall -Concrete T- Wall (F), Floodwall - Sheet Pile Wall (F), Chain Link Fence (6 Foot, 3 Strand Barbed Wire, Vinyl Slats), Wood And Wire Divider Fence (6-Ft), 3-Ft Pedestrian Safety Railing, 4-Ft Pedestrian Safety Railing, O&M Chain Link Fence Gate, Wall Street Waterline Modifications, Wall Street Sewerline Modifications, Lincoln Avenue Waterline Modifications, Mobilization And Demobilization, Traffic Control, Storm Water Pollution Control, Clearing And Grubbing, Vibration Monitoring, Demolish Existing Facilities, Relocate Mailbox, Remove And Replace Ace And Vine Sign, Remove And Replace Pet Hospital Sign, Closure Structure #1, Closure Structure #2, Closure Structure #3, Inspection Trench Excavation And Backfill, Excavation (F), Earthen Backfill (F), Floodwall - Concrete T-Wall Footing (F), Floodwall -Concrete T- Wall (F), Floodwall - Sheet Pile Wall (F), Chain Link Fence (6 Foot, 3 Strand Barbed Wire, Vinyl Slats), Wood And Wire Divider Fence (6-Ft), 3-Ft Pedestrian Safety Railing, 4-Ft Pedestrian Safety Railing, O&M Chain Link Fence Gate, Wall Street Waterline Modifications, Wall Street Sewerline Modifications, Lincoln Avenue Waterline Modifications, Lincoln Avenue Sewerline Modifications, 12-In Storm Drain System (Station 0+57), 24-In Storm Drain System (Station 5+24), 18-In Storm Drain System (Station 14+31), 36-In Storm Drain System (Station 22+70), 18-In Storm Drain System (Nol @ Mid- Block Crossing), Aggregate Base Course (Road), Aggregate Base Course (Trail), Aggregate Surfacing, Hot Mix Asphalt (Road), Hot Mix Asphalt (Trail), Standard 6-In Curb And 12-In Gutter, City Of Napa B3 Curb, 6-In Retaining Curb, A1-6 Concrete Curb, 6-In X 12-In Concrete Curb, Lincoln Avenue Sewerline Modifications, 12-In Storm Drain System (Station 0+57), 24-In Storm Drain System (Station 5+24), 18-In Storm Drain System (Station 14+31), 36-In Storm Drain System (Station 22+70), 18-In Storm Drain System (Nol @ Mid- Block Crossing), Aggregate Base Course (Road), Aggregate Base Course (Trail), Aggregate Surfacing, Hot Mix Asphalt (Road), Hot Mix Asphalt (Trail), Standard 6-In Curb And 12-In Gutter, City Of Napa B3 Curb, 6-In Retaining Curb, A1-6 Concrete Curb, 6-In X 12-In Concrete Curb, 6-In Concrete Curb, Concrete Sidewalk, 24" Concrete Valley Gutter, 48" Concrete Valley Gutter, Concrete Slab On Grade, Remove And Reset Existing Bollard, Removable Bollard, Pedestrian Signal, Traffic Sign (1 -Post), Relocate Roadside Sign, Pavement Markings, Traffic Striping, Irrigation Service, Native Grasses - Seed Mix, Native Grasses (Low Grow) - Seed Mix, Slope Stabilizing (Below Hw) - Seed Mix, Live Cuttings, Lincoln Avenue Channel Excavation (F), - (Lincoln Bridge Rock Slope Protection), Granular Filter Material, - (Lincoln Bridge Rock Slope Protection), Class V Rock Slope Protection D50 18-In - (Lincoln Bridge Rock Slope Protection), Closure Structure #4, Closure Structure #5, Closure Structure #6, Inspection Trench Excavation And Backfill, Excavation (F), Earthen Backfill (F), Floodwall - Concrete T-Wall Footing (F), Floodwall - Concrete T-Wall (F), Floodwall - Sheet Pile Wall (F), Floodwall - Sheet Pile Wall (King Pile W/36- In Penetration) (F), Floodwall - Sheet Pile Wall (King Pile W/Frame)(F), Floodwall - Sheet Pile Wall (Concrete) (F), Structure Concrete Retaining Wall Footing (F), Structure Concrete Retaining Wall (F), Ada Access Ramp #1, Ada Access Ramp #2 (Waterside), Ada Access Ramp #2 (Landside), Ada Access Ramp #3, Wood Privacy Fence (6-Ft), Wood And Wire Divider Fence (4-Ft), Wood And Wire Divider Fence (6-Ft), 3-Ft Pedestrian Safety Railing, 4-Ft Pedestrian Safety Railing, Double Swing Access Gate (Steel Frame, Wood Slat), Chain Link Fence (6- Ft, Vinyl Slats), 5-Ft Chain Link Gate (6-Ft), Post And Cable Fence, 30-In Storm Drain System (Station 2+81), 12-In Storm Drain System (Station 34+88), Trout Court Waterline Modification, Trout Court Sewerline Modification, Subdrain (4-In Perforated Pvc Pipe), 36-In Steel Waterline Relocation (Station 0+95 To 7+40), 36-In Steel Waterline Crossing (Station 34+16), Aggregate Base Course, Aggregate Surfacing, Hot Mix Asphalt, 48-In Concrete Valley Gutter, Concrete Slabs On Grade, Grouted Class Iii Rock Slope Protection D50 12-In, Class Iii Rock Slope Protection D50 12-In, Salvaged Spoiled Rock Slope Protection, Irrigation Service, Native Grasses - Seed Mix, Native Grasses (Low Grow) - Seed Mix, Pollinator - Seed Mix, Slope Stabilizing (Below Mhw) - Seed Mix, Live Cuttings, Dry Bypass Vault Structure, Dry Bypass Drainage Inlet Structure, Structural Concrete Dry Bypass 4-Ft X 4-Ft Rcb (Double), Structural Concrete Dry Bypass 5-Ft X 5-Ft Rcb, Dry Bypass 42-In Rcp, Dry Bypass Drainage System, Yajome Street Drainage System, Dry Bypass O&M Access Gate, Excavation (F), Earthen Backfill (F), Floodwall - Concrete T-Wall Footing (F), Floodwall - Concrete T-Wall (F), 3-Ft Pedestrian Safety Railing, 4-Ft Pedestrian Safety Railing, 24-In Concrete Valley Gutter, Aggregate Surfacing, Turf Reinforcement Mat, Native Grasses - Seed Mix, Brackish Emergent - Seed Mix, Brackish Transitional - Seed Mix, Pollinator - Seed Mix, Road Repair And Reconstruction Allowance.  Please review plans & specs for complete list of bid items.

We are signatory to both the Carpenters Collective Bargaining Agreement and the Laborers Collective Bargaining Agreement.  Certification of insurance for General Liability and Workers’ Compensation are required.  A Waiver of Subrogation will also be required with all Subcontract Agreements. Subcontractors’ faithful performance and payment bonds in the amount of the subcontract price will be required. Reasonable market rate bond premium will be reimbursed by Thompson Builders Corporation.

Thompson Builders Corporation
an Equal Opportunity Employer
Contact: Kelsey Heaphy
PHONE: (415) 456-8972 FAX: (415) 459-0665
EMAIL:  bids@tbcorp.com

Published by Contractor’s Estimate, Inc.
Located at http://www.contractorsestimate.com
This advertisement will run through the bid date.