Opportunity
County of Napa #RDS 25-27
Napa County Solicits Bids for Soldier Pile Retaining Wall Construction on Redwood Road
Posted
May 07, 2026
Respond By
June 03, 2026
Identifier
RDS 25-27
NAICS
237990, 237310, 238910
Napa County's Public Works Department is seeking bids for the construction of a 56-foot soldier pile retaining wall on Redwood Road MPM 2.3 to stabilize a landslide area. - Government Buyer: - Public Works Department, Napa County, California - Project Scope: - Construction of a 56-foot long soldier pile supported retaining wall - Installation of 600 linear feet of 18-inch diameter stitch piles - Cast-in-drilled hole piles at 8-foot spacing (8 units) - Precast lagging and reinforced concrete cap - Slope stabilization and landslide prevention - Additional work: paving (35 cubic yards of HMA-Type A), guardrail installation, erosion and sediment control, temporary traffic control, construction signage, debris setup/disposal, survey benchmarks verification, and 24-hour sweeping (4 days) - Requirements: - Compliance with latest Caltrans Standard Plans and Specifications - Adherence to federal and state prevailing wage laws - Valid Class A contractor license required at award - Electronic bid submission via Napa County OpenGov portal - OEMs and Vendors: - No specific OEMs or vendors are named in the solicitation - Notable Details: - Project is at a landslide site and focuses on long-term slope stabilization - All work must meet strict state and federal construction standards
Description
The Redwood Road MPM 2.3 project involves constructing a 56-foot long soldier pile supported retaining wall at a landslide site. The work includes installing stitch piles, stitch piers, embedded soldier piles, precast lagging, and a reinforced concrete cap to stabilize the slope and prevent future slides. Additional work includes paving, guardrail installation, and other related tasks. Bids must be submitted electronically via the Napa County OpenGov portal, and contractors must have a Class A license at the time of award. The project is subject to federal and state prevailing wage laws and must conform to the latest Caltrans Standard Plans and Specifications.