This Subcontract opportunity from California was posted on September 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Sewer Structure Rehabilitation Contractor

Closed

State & Local

Submission Closed10/01/2026, 02:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 237990

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Request for Quote for The Recharge Master Plan Update at Montclair Basin

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Bosco Constructors, Inc.

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DEADLINE

Imperial Irrigation District – East Highline Reservoir

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

Granite Construction Company is seeking quotes from qualified socioeconomic firms for the Imperial Irrigation District East Highline Reservoir project located in California. This solicitation is specifically open to certified Small Business, Women-Owned Small Business, Small Disadvantaged Business, and Disadvantaged Business Enterprise firms. The scope of work is extensive, covering a wide array of materials and services including the supply of crushed stone, sand, gravel, concrete, reinforcing bar, and lumber, as well as specialized labor for clearing, grading, roadway and structure excavation, and erosion control. Additional requirements include the provision of various trucking services, such as bottom dump, flat bed, and water trucks, along with professional services for land surveying, environmental consulting, and materials testing. Interested parties must submit their responses by December 2, 2026. All inquiries and submissions should be directed to the primary point of contact, Andrew Burk, via the provided email or phone contact information.

Granite Construction Company

POSTED

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, which pertains to other heavy and civil engineering construction. The notice was posted on November 10, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Civil/Underground Utility SupportThis subcontract focuses on providing civil works and underground utility support for prime contractors managing street light projects for the City of Delta in British Columbia, Canada. The scope of work includes specialized underground civil tasks such as concrete cutting, removal, compaction, and full site restoration. To ensure project success, the contractor must deliver completed underground utility conduits, foundations, and restored roadways using specialized equipment including roadway concrete saws, jack hammers, tow-behind compressors, compactors, and M-scope electronic devices. Qualified candidates must possess a Civil Foreman qualification to oversee these operations. The opportunity is categorized under NAICS code 237990, with a response deadline set for November 30, 2026. Interested parties can find further details through the BC Bid portal.

POSTED

DEADLINE

Solicitation # 26-04-PW

The County of Madera Public Works Department is soliciting bids for Contract 26-04-PW, which involves the construction of a leachate surface impoundment facility, the expansion of the Cell 3 liner, and various ancillary site improvements at the Fairmead Landfill in Madera, California. The scope of work includes grading, placing aggregated base, installing underground piping systems, constructing cell access roads, and installing geosynthetic materials. The project has an engineer's estimate of $7,892,760.00 and an anticipated performance period of 240 calendar days starting January 25, 2026. Work must adhere to 2024 Caltrans and Standard Specifications for Public Works Construction (SSPWC) standards, with strict Construction Quality Assurance (CQA) protocols for earthwork and geosynthetics. Bidders must hold a Class A license and demonstrate the capacity to self-perform at least 30% of the base bid amount. Qualification requirements include the completion of four projects of similar size and scope within the last seven years. Mandatory submission documents include a bidder's bond for 10% of the bid amount, a subcontractor list for any entity performing over 0.5% of the work, and certification of compliance with the Iran Contracting Act for contracts exceeding $1,000,000. A mandatory pre-bid meeting is scheduled for October 27, 2026, with final bid proposals due via BidExpress by November 18, 2026, at 2:00 pm. The successful contractor will be required to provide performance and payment bonds for 100% of the contract price and comply with prevailing wage laws and equal opportunity employment regulations.

County of Madera - Public Works Department

POSTED

DEADLINE

Lake Embankment Stabilization and Erosion ControlThis subcontract for Lake Embankment Stabilization and Erosion Control is issued by the Illinois Office of Realty and Capital Planning for projects under the Department of Natural Resources. The selected contractor will support prime contractors by performing critical stabilization work to prevent structural failure and erosion, utilizing methods such as the installation of riprap, geotextiles, shoreline armoring, and soil nailing. The scope of work requires the use of heavy earthmoving machinery and specialized anchors while maintaining strict adherence to environmental protections and natural resource guidelines for waterways. The opportunity was posted on November 9, 2026, with a response deadline of November 24, 2026. Classified under NAICS code 237990, the primary objective of the contract is the delivery of fully stabilized lake embankments that meet all agency specifications.

REALTYCAPPLAN422 - Office of Realty and Capital Planning

POSTED

DEADLINE

CHANGE ORDER NOTICE: DNR Carlyle Lake- Stabilize Riverside Embankment (3 locations)

Solicitation # 26-422DNR-REALT-P-99967

This change order notice, solicitation number 26-422DNR-REALT-P-99967, pertains to the stabilization of riverside embankments at three specific locations within Carlyle Lake. The project is managed by the State of Illinois through the Office of Realty and Capital Planning under the Department of Natural Resources. The notice was posted on November 9, 2026, with a response deadline set for November 24, 2026. The procurement is handled by the state agency, with Kara Glaub and Megan Dalton serving as the primary points of contact for purchasing and administration. While the specific scope of work, pricing, and performance periods are not detailed in the provided documentation, the action is categorized as a special notice regarding the stabilization of the lake's embankments.

REALTYCAPPLAN422 - Office of Realty and Capital Planning

POSTED

DEADLINE

Ditch Cleaning and ReshapingThis subcontract focuses on ditch cleaning and reshaping services for prime contractors operating on Texas Department of Transportation maintenance projects within the Dallas District. The scope of work involves the removal of sediment, vegetation, and debris from roadside ditches, followed by the reshaping of slopes and bottoms. These activities are designed to restore essential drainage capacity and ensure all work aligns with TxDOT geometric and standard specifications. The project requires the use of heavy machinery, including excavators, backhoes, and grading equipment, to achieve the necessary results. Interested parties should note that the response deadline for this opportunity is December 3, 2026. The contract falls under NAICS code 237990 and is managed through the Texas Department of Transportation.

Texas Department of Transportation

POSTED

DEADLINE

Horizontal Directional Drilling - Energy & Utilities

Solicitation # RFP-2027-393

The Oklahoma University Health Sciences Center is soliciting proposals for on-call horizontal directional drilling (HDD) services to support the installation, testing, protection, and restoration of underground utility infrastructure at the University of Oklahoma Norman Campus. The scope of work encompasses various systems, including natural gas, electrical, communications, irrigation, and water. The selected suppliers will be responsible for providing all necessary labor, equipment, materials, and supervision. The resulting agreement will feature an initial one-year term with four optional one-year renewals, and the University intends to award contracts to multiple suppliers. Evaluation of proposals will focus on safety and risk management, equipment and operational capability, and past performance. Key requirements include detailed processes for utility locating and verification, a comprehensive quality control process from pilot bore to pullback drilling, and the ability to meet specific response times for routine and emergency call-outs. Bidders must demonstrate competency with Oklahoma's Central Purchasing Act (Title 74) and provide safety metrics, such as OSHA recordable incident rates and Experience Modification Rates (EMR) from the last three years. Payment terms are set at Net 45, and all submissions must be completed by December 11, 2026.

Oklahoma University Health Sciences Center

POSTED

DEADLINE

Water Treatment Plant Maintenance Package ‘A’ Degasifier Package (Project No. 25-4261A)

Solicitation # IFB-395-26-JM

The City of Hollywood, Florida, is soliciting bids for the Water Treatment Plant Maintenance Package A Degasifier Package (Project No. 25-4261A). The scope of work involves the replacement of packing media in three degasifier units (units 2, 3, and 4) at the Water Treatment Plant located at 3441 Hollywood Boulevard. Key technical requirements include power washing vessel interiors, replacing media support grids and differential pressure gauges, vessel disinfection, and resealing access doors. To ensure continuous plant operation, work must be performed on one unit at a time. The project requires the use of NSF 61 certified polypropylene media and mandates that the prime contractor hold an active Florida General Contractor license. The contract will be awarded to the lowest responsive and responsible bidder based on price, qualifications, and past performance. Bids must be submitted electronically via the OpenGov portal, with a final submission deadline of November 18, 2026. The project timeline specifies substantial completion within 180 calendar days and final completion within 210 calendar days from the Notice to Proceed, with liquidated damages set at 500 dollars per day. Financial requirements include a bid guaranty of 5 percent of the bid, and the successful contractor must provide performance and payment bonds for 100 percent of the contract price. Comprehensive insurance coverage is required, including Commercial General Liability, Pollution Liability, and Commercial Automobile Liability, with the City of Hollywood named as an additional insured. The pricing structure consists of lump sum items for mobilization and demobilization, a fixed City Contingency Allowance of 86,000 dollars, and unit prices for the procurement of 3.5-inch and 2-inch packing media and equipment cleaning services. Additionally, the project is subject to federal prevailing wage requirements and compliance with Executive Order 11246 regarding equal employment opportunity.

POSTED

DEADLINE

Foundation and Banking Seat RefurbishmentThis subcontract involves the refurbishment of existing foundations and banking seats for rail infrastructure projects managed by Wigan Council. The selected contractor will work under prime contractors to perform structural repairs and refurbishment using concrete, reinforcement steel, and grout to ensure the foundations can support new trestles. The primary objective is the delivery of fully refurbished, load-bearing structures. To be eligible for this work, contractors must maintain RISQS registration to ensure safe access to operational railway environments and must strictly adhere to CDM 2015 compliance standards. The solicitation was posted on November 9, 2026, with a response deadline of November 27, 2026.

POSTED

DEADLINE

Floodwall and Barrier ConstructionThis subcontract involves the construction of approximately 14,000 linear feet of coastal storm risk management barriers for the USACE Charleston District. The scope of work includes the installation of floodwalls, barriers, closures, and deployable features, with a specific focus on structural tie-ins, foundations, and the delivery of usable increments of the Westside wall system. All work must be performed using heavy civil construction equipment and deployable floodgate systems in strict accordance with USACE structural specifications. Managed under the Department of Defense, the project is categorized under NAICS code 237990 and will be performed in the 29403 zip code area. Interested parties must note the response deadline of November 23, 2026, for this specialized infrastructure effort aimed at enhancing coastal protection.

W074 Endist Charleston

POSTED

about 24 hours ago

DEADLINE

in 13 days

AI Contract Overview

This subcontract opportunity is for a Sewer Structure Rehabilitation Contractor to perform repair and rehabilitation of existing sewer structures for prime contractors on City of Oakland projects. The scope of work includes sealing the walls of manholes, lampholes, and cleanouts, as well as replacing cast iron frames, covers, manhole steps, and sewer drop connections to ensure all structures are sealed and structurally sound. A critical requirement for this contract is the use of chemical-resistant materials compatible with nitric, sulfuric, and phosphoric acids, which must be verified through manufacturer certification. The project is located in Oakland, California, with a response deadline of October 1, 2026.

General Info

Sewer structure rehabilitation in Oakland, CA, using acid-resistant materials by October 1, 2026.

Agency

California → City of Oakland

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

Oakland, CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 1008042.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Sanitary Sewer Rehabilitation Of Sub-Basin 85-211

AI Contract Breakdown

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Timeline

PhaseClosed

PostedSep 24

subcontract

Response DeadlineOct 1

Deadline has passed

Submission Closed

10/01/2026, 02:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → City of Oakland

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Oakland

Office AddressN/A

ContactsNo contact information available

Full Description

Performs repair and rehabilitation of existing sewer structures for prime contractors on City of Oakland projects. Seals walls of manholes, lampholes, and cleanouts, and replaces cast iron frames, covers, manhole steps, and sewer drop connections. Uses chemical-resistant materials compatible with nitric, sulfuric, and phosphoric acids. Requires manufacturer certification of material compatibility. Delivers sealed and structurally sound manholes.