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

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Drainage System Improvements

Open

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 Drainage System Improvements involves performing critical drainage work for prime contractors on Caltrans State Route 12 projects located in Sebastopol, California. The scope of work focuses on the installation and repair of culverts, catch basins, and drainage pipes to ensure effective water runoff and prevent pooling on pedestrian pathways. All activities require the use of excavation equipment and must strictly adhere to Caltrans drainage standards to deliver a fully functional system. Managed under Caltrans District 4 in the Bay Area/Oakland region, the project is categorized under NAICS code 237990. The contract was posted on December 22, 2025, and is specifically designed to support infrastructure integrity and safety along the designated state route.

General Info

Subcontract for drainage system improvements and culvert installation on Caltrans State Route 12.

Agency

California → Caltrans, District 4 - Bay Area/Oakland

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Sebastopol, CA, 95472

Set-Aside

NONE

Documents

This scope was carved out of 3W030_SR 12 ADA Upgrades_NOE 12.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

State Route 12 ADA Facilities Upgrades

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

PostedDec 22

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 → Caltrans, District 4 - Bay Area/Oakland

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Caltrans, District 4 - Bay Area/Oakland

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs drainage improvements for prime contractors on Caltrans State Route 12 projects. Installs or repairs drainage pipes, catch basins, and culverts to ensure proper water runoff and prevent pooling on pedestrian paths using excavation equipment. Work must adhere to Caltrans drainage standards. Delivers a functional drainage system installation.

Similar Contracts

Same NAICS industry code

Carroll Creek Stream Restoration - CIP# 350007 (MWBE Goals)

Solicitation # IFB-27-11

The City of Frederick is soliciting bids for the Carroll Creek Stream Restoration project (CIP# 350007), located near Old Gas House Pike and Fairview Cemetery in Frederick, Maryland. This comprehensive construction project involves in-stream structure installation, floodplain bench grading, bank stabilization, and extensive planting. Key technical requirements include the installation of reinforced soil lifts, rock sills, and various riparian plantings, with an engineer's estimated project cost of $6,884,784.12. The project is performed on a lump sum and unit price basis and requires strict adherence to Virginia OSHA Standards for excavation and Maryland Department of the Environment guidelines for waterway construction. The bid submission deadline is November 13, 2026, at 3:00 pm, with all responses submitted via the OpenGov Portal. Bidders must meet specific socioeconomic goals, including 31% MBE, 11% WBE, and 2% SDVOSB participation. Required financial securities include a bid bond of 5% of the bid price, followed by 100% performance and materialmen's bonds upon award, and a two-year maintenance bond upon completion. The contract includes a two-year guarantee on all work and stipulates liquidated damages of $500 per calendar day for delays beyond the substantial completion date. Award decisions will be based on the vendor's responsiveness to material requirements and their overall responsibility, including technical capacity and performance record.

POSTED

about 2 hours ago

DEADLINE

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Kings Canyon Unified School District is seeking bids for Project No. 1000316-001C, titled the Alta, Riverview, and Kings Canyon High Well Drilling Phase. This project involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. The solicitation is managed under NAICS code 237990 and is associated with Anthony J. Prieto Water Well Drilling, Inc. This opportunity is designated as an SBA set-aside, making it available to various small business categories, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on November 6, 2026, with a response deadline of November 10, 2026. Interested parties may contact Jennah Castagna for further information.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

about 3 hours ago

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County. Identified by Project Number 13891 and Event ID 0000040533, this solicitation focuses on site compliance and infrastructure enhancements under NAICS code 237990. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

about 3 hours ago

DEADLINE

Imperial Irrigation District – East Highline Reservoir

Solicitation # imperial-irrigation-district-east-highline-reservoir

Granite Construction Company

POSTED

about 3 hours ago

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, focusing on specialized heavy civil engineering construction. Interested parties have until September 30, 2027, to submit their responses. Further details and bidding information can be accessed through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

about 3 hours ago

DEADLINE

9801 - Madison LakeWay - SkyLine Improvements

Solicitation # 9801

Contract 9801 for the Madison LakeWay – SkyLine Improvements is a solicitation by the City of Madison for the construction of a half-mile linear parkway along the shoreline of Lake Monona adjacent to John Nolen Drive. The project scope is divided into a Base Bid, covering the installation of north and south pile-supported timber-framed boardwalks, pedestrian-scale lighting, enhanced paths, bicycle amenities, wayfinding signage, and extensive landscaping, and an Alternate Bid Item for the construction of the SkyLine Pier. The project also requires significant traffic control, including the implementation of vehicular and bicycle detours and the installation of curb, gutter, and colored concrete medians. The contract will be awarded to the lowest bidder based on unit prices and a grand total. Bidders must provide a bid bond of at least 5 percent of the bid and comply with strict Small Business Enterprise (SBE) participation goals and reporting requirements. Additionally, contractors must adhere to Best Value Contracting apprenticeship standards and non-discrimination policies. Technical requirements include the use of a Wisconsin-registered Professional Engineer for precast and connection designs, adherence to ADA guidelines for signage, and the provision of site mock-ups for masonry, metal, and wood elements. Construction must commence within seven calendar days of receiving a written notice to proceed.

City of Madison

POSTED

about 3 hours ago

DEADLINE

in about 1 month

Manhole and Valve Box Adjustment

CITY OF SAN ANTONIO

POSTED

about 4 hours ago

DEADLINE

in about 1 month

Cast-in-Place Conduit Manhole InstallationThis subcontract focuses on the construction and installation of cast-in-place conduit manholes for prime contractors working on City of Baltimore Department of Transportation projects. The scope of work includes forming, pouring, and finishing concrete structures specifically designed for conduit housing, ensuring all work adheres to Duct Line Construction standards. The selected provider will be responsible for utilizing all necessary concrete forming and pouring equipment and conduit materials to deliver fully installed structures. The opportunity is categorized under NAICS code 237990 and is associated with the state of Maryland. Interested parties must submit their responses by the deadline of November 18, 2026. Further details and application processes can be accessed through the Maryland eMaryland Marketplace portal.

POSTED

about 6 hours ago

DEADLINE

Sheet Piling and Bulkhead InstallationThis subcontract for the City of Norfolk Public Works (D&C) involves the supply and installation of temporary and permanent sheet piling and concrete bulkhead structures. The selected contractor will be responsible for the construction of hydraulic concrete structures and the installation of sheet piles, including the delivery of completed bulkhead and sheet pile walls. A critical technical requirement is the performance of dynamic pile testing in accordance with VDOT 40307, and all cofferdam layouts must be certified with a Professional Engineer seal. The opportunity is categorized under NAICS code 237990 and was posted on November 6, 2026. Interested parties must submit their responses by the deadline of December 7, 2026. This project is designed for subcontractors working under prime contractors to support marine infrastructure improvements within the city.

Public Works (D&C)

POSTED

about 7 hours ago

DEADLINE

in about 1 month

22275 RB - Hague NE Bulkhead Rehabilitation

Solicitation # 22275 RB

The City of Norfolk, Virginia, is soliciting bids for the Hague NE Bulkhead Rehabilitation project (Solicitation 22275 RB), which involves the replacement of the concrete bulkhead at the eastern portion of the Hague. The scope of work includes bypass pumping, maintenance of flow in storm drainage systems, survey and vibration monitoring, wetland planting, and the disposal of contaminated soils, estimated at 695 tons for the North side and 315 tons for the South side. The project is structured as a Base Bid with three additives, with several items converted to lump sum costs. Performance must adhere to modified AIA A201-2017 General Conditions and technical specifications prepared by Moffatt & Nichol. The contract requires a performance bond and a labor and material payment bond, each for 100% of the contract price, and a bid security of 5% of the total bid. Work must commence within ten days of the Notice to Proceed and be completed within 700 calendar days. Bidders must be registered Virginia contractors and hold a City of Norfolk business license. All bids must be submitted electronically via the OpenGov portal by December 7, 2026, with all Requests for Information (RFIs) due by November 16, 2026. Quality control is managed through a CQC Plan and VDOT Form C-25, with final site inspection and acceptance conducted by the Contracting Engineer.

Public Works (D&C)

POSTED

about 7 hours ago

DEADLINE

in about 1 month

Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

Solicitation # W912WJ27BA003

Solicitation W912WJ27BA003 is a 100 percent small business set-aside for the maintenance and advance maintenance dredging of the Isle au Haut Thoroughfare Federal Navigation Project in Maine. The project involves mechanically dredging approximately 3,355 cubic yards of highly compacted coarse sand, gravel, cobbles, and small boulders from a 1,200-foot long channel to a depth of -7 feet Mean Lower Low Water, with an additional one-foot allowable overdepth for a maximum depth of -8 feet. All dredged material will be transported and placed at the Flake Island Disposal Site to enhance juvenile lobster and cod habitats. The estimated price range for this effort is between 1,000,000 and 3,000,000 dollars. Performance is strictly governed by an environmental window from September 15, 2026, to March 15, 2027, with all dredging and disposal activities required to be completed by March 1, 2027. The mandatory performance period is 120 calendar days after the receipt of the Notice to Proceed. Award is based on a sealed bidding process under NAICS 237990, requiring performance and payment bonds. Contractors must utilize the Procurement Integrity Enterprise Environment for submissions and adhere to a three-phase quality control process, including preparatory, initial, and follow-up inspections, with all documentation managed via a Construction Management Platform.

W2SD Endist New England

POSTED

about 8 hours ago

DEADLINE

Borough of Millvale, Pennsylvania, Local Protection Project (LPP) PL84-99 Rehabilitation

Solicitation # W911WN27QA004

The Borough of Millvale Local Protection Project (LPP) rehabilitation is a USACE project located along Girty's Run in Millvale Borough, Pennsylvania. The scope of work involves repairing significant flood damage from April 2024, specifically addressing bank erosion, shoaling, ruptured gabion baskets, and washed-out concrete buttresses that currently impede streamflow. The contractor will be responsible for site preparation, including erosion and sediment controls and temporary water diversions, as well as the excavation and removal of debris, replacement of damaged concrete paving and gabions, and the placement of stone-filled gabions between Station 68+00 and Station 73+80. This is a 100% Small Business Set-Aside under NAICS 237990, with an anticipated construction cost between $300,000.00 and $350,000.00. The award will be a single Firm-Fixed-Price purchase order based on best value, evaluating price and past performance. The project must be completed within 365 calendar days of the written Notice to Proceed, with work commencing within 10 days of that notice. Key requirements include the provision of performance and payment bonds at 100% of the contract price, adherence to the Davis-Bacon Act, and the appointment of a Superintendent who cannot also serve as the Site Safety and Health Officer.

W072 Endist Pittsburgh

POSTED

about 8 hours ago

DEADLINE

in about 1 month

Earlier notices in this NAICS code

Posted before this notice, open and closed

Mooring Dolphin Installation

California State Lands Commission

POSTED

DEADLINE

Utility Relocation & Coordination

Los Angeles County Metropolitan Transportation Authority

POSTED

DEADLINE

Sanitary Sewer Manhole Structural Lining

POSTED

DEADLINE

Grading and Earthwork for Land Development

Stanislaus County

POSTED

DEADLINE

Shoreline Stabilization & Riprap Maintenance

California State Lands Commission

POSTED

DEADLINE

Underground Stormwater Treatment Chamber Installation

City of Monterey

POSTED

DEADLINE

Bridge Foundation & Soldier Pile Walls

City of Santa Barbara

POSTED

DEADLINE

Creek Diversion & Dewatering

City of Santa Barbara

POSTED

DEADLINE

Storm Drainage Systems

City of Monterey

POSTED

DEADLINE

Habitat Bench Construction & Sediment Placement

Fish and Wildlife, Region 3 - Bay Delta, Fairfield

POSTED

DEADLINE

Earthwork and Grading

Texas A&M AgriLife Research

POSTED

CLOSED

Excavation and Trenching Services

California Department of Transportation

POSTED

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

Join 750+ contractors already using CLEATUS