Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →

Drainage and Culvert Contractor

Active
State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

This subcontract for Sonoma County, California, involves providing specialized drainage modifications and stormwater management services for prime contractors on regional roadway projects. The scope of work includes regrading roadside ditches, extending existing box culverts and headwalls, and the installation of new retaining walls and stormwater piping. To ensure the delivery of functional drainage systems, the contractor will utilize excavation equipment and specialized materials while adhering to regional stormwater flow patterns and environmental mitigation requirements. The project is categorized under NAICS code 238910 and is centered in the 95436 zip code area. This engagement focuses on critical infrastructure improvements to manage water runoff and maintain roadway integrity within the state of California.

General Info

Drainage modifications and stormwater management for roadway projects in Sonoma County, California.

Place of Performance

CA, 95436

Set-Aside

NONE

Documents

This scope was carved out of Mirabel Road Corridor Improvements and West County Trail Project.

The full solicitation package (9 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

Posted

subcontract

Ready to pursue this opportunity?

Get full access to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more
AgencyCalifornia → Sonoma County
ContactsNo contacts available
OfficeN/A
Organization / AgencyCalifornia → Sonoma County
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Performs drainage modifications and stormwater management for prime contractors on Sonoma County roadway projects. Regrades roadside ditches, extends existing box culverts and headwalls, and installs new stormwater piping and retaining walls. Uses excavation equipment and specialized piping materials. Complies with regional stormwater flow patterns and environmental mitigation requirements. Delivers functional drainage systems.

Similar Contracts

Same NAICS industry code

NAICS: 238910
New
SLED
Livermore Village Infrastructure Project, Lightwell Stair Replacement
Solicitation # DR583018
The City of Livermore is soliciting bids for the L Street Parking Garage Lightwell Stair Replacement project, identified as solicitation DR583018. The scope of work involves the demolition of existing concrete lightwell stairs and the installation of a new steel stair assembly featuring precast concrete treads, handrails, and associated structural framing. The project requires the contractor to provide all necessary concrete formwork, reinforcing steel, and metal fabrication, ensuring that the final assembly complies with the 2010 ADA Standards for Accessible Design and governing building codes. Because the parking garage will remain fully operational during construction, the contractor must implement careful scheduling and temporary traffic control systems. The contract is awarded based on a low-bid selection process, requiring a signed and sealed bid proposal accompanied by a bid schedule and a bid security deposit equal to ten percent of the maximum bid amount. Technical requirements include shop drawings and calculations signed by a California-registered Civil Engineer, with structural designs adhering to AISC, AWS D1.1, and ASCE 7 seismic standards. The contractor is responsible for all temporary utilities, site access, and environmental controls. Performance is monitored by the City and its Engineer, with progress payments processed within 30 days of certification. Required security for the awarded contract includes payment, performance, and warranty bonds.
City of Livermore

POSTED

about 4 hours ago

DEADLINE

in 20 days
View Details

More opportunities from California → Sonoma County

Same awarding agency

NAICS: 312130
SLED
UPE24-0048; Amann Winery
Solicitation # UPE24-0048
Project UPE24-0048 is a use permit for the Amann Winery located on 20.45 acres in Healdsburg, California. The project involves the construction of a 16,264 square foot all-electric winery building designed for the annual production of 30,000 winery-labeled cases, with an additional custom crush capacity of 50,000 cases. The facility will include a tasting room serving up to 50 persons daily, seven days a week, and will host 20 agricultural promotion events annually between March and October, with event capacities ranging from 50 to 300 people. The development emphasizes sustainability and regulatory compliance, requiring a natural-gas-free building compliant with Title 24 Energy Code, CALGreen Tier 2 EV charging infrastructure, and a 15 percent reduction in vehicle miles traveled. Key operational requirements include the installation of IAPMO PS-1 standard septic systems, dark-sky compliant exterior lighting, and adherence to the California Fire Code. The project is subject to strict environmental and cultural oversight, including mandatory tribal or archaeological monitoring during grading and compliance with the California Environmental Quality Act. Administrative oversight is managed by the Sonoma County Permit and Resource Management Department, with final acceptance contingent upon on-site verification of all zoning, environmental, and construction standards.
Wineries

POSTED

3 months ago

DEADLINE

N/A
View Details
NAICS: 236220
SLED
County Administration Center Redevelopment ProjectThe County Administration Center Redevelopment Project in Santa Rosa, California, involves the construction of a five-story, 250,000-square-foot office building to house approximately 1,200 full-time employees, including a 3,500-square-foot Board of Supervisors chamber, alongside a 7,000- to 13,000-square-foot single-story Emergency Coordination Center designed for disaster response with integrated conference functionality during normal operations. The project also includes approximately 1,050 parking spaces beneath a one-megawatt solar microgrid with battery storage, and a residential component featuring up to 1,500 housing units in buildings up to seven stories tall, along with up to 20,000 square feet of retail and commercial space supporting around 32 employees. Common open spaces and pedestrian connections will unify the office, residential, and commercial areas. Construction is scheduled to occur between July 15, 2026, and August 28, 2026, on the County Administration Center campus bounded by Highway 101, Mendocino Avenue, Steele Lane, and Bicentennial Way, with the Assessor’s Parcel Number 180-030-012. The project must comply with California Building Standards Code Title 24, including energy efficiency, water conservation, and CALGreen standards, as well as Sonoma County’s General Plan, noise ordinances, and visual assessment guidelines. Mitigation measures for air quality, noise, hazardous materials, cultural resources, and stormwater runoff are required under CEQA, with oversight led by the County of Sonoma through its Environmental and Real Estate teams. No formal contract value, pricing data, or federal acquisition clauses are provided, and the documents reflect an environmental impact report rather than a procurement solicitation, with no identifiable FAR clauses, contracting officer roles, or offeror certifications. Responsibility for compliance lies jointly with the government for oversight and the contractor for on-site implementation of environmental controls, including dust suppression, noise mitigation, and hazardous material handling under CCR, FIFRA, and 49 CFR regulations.
Commercial and Institutional Building Construction

POSTED

4 months ago

DEADLINE

N/A
View Details

Earlier notices in this NAICS code

Posted before this notice, open and closed

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS