This Government Contract opportunity from California was posted on April 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Retaining Wall Construction (South of Tank)

Closed

State & Local

Submission Closed05/19/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 238910

New

SLED

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Earthwork and GradingThis subcontract for Earthwork and Grading involves providing specialized excavation and grading services for prime contractors working on Gwinnett County Department of Water Resources projects. The scope of work includes executing excavation for new structures, performing finish grading, and implementing necessary erosion control and site stabilization measures to deliver a fully graded and stabilized site. The opportunity is managed by the Gwinnett County Government in Georgia under NAICS code 238910. Interested parties must submit their responses by the deadline of December 8, 2026.

Gwinnett County Government

POSTED

DEADLINE

Demolition and Site ClearingThis subcontract opportunity for Demolition and Site Clearing involves performing demolition services for prime contractors on projects managed by the Gwinnett County Department of Water Resources. The scope of work includes the removal of designated existing facilities and the hauling of all resulting debris to approved disposal locations to ensure the site is fully cleared and prepared for new construction. The project is categorized under NAICS code 238910 and is associated with the Gwinnett County Government in Georgia. Interested parties must submit their responses by the deadline of December 8, 2026.

Gwinnett County Government

POSTED

DEADLINE

Earthwork and Site PreparationThis subcontract for Earthwork and Site Preparation involves performing bulk excavation and site preparation for prime contractors on utility projects within the Town of Hingham, specifically located on Central Street. The scope of work includes site clearing, grubbing, rough grading, and the off-site hauling of spoils using heavy equipment such as dozers, dump trucks, and loaders to ensure a graded site and cleared right-of-way ready for pipeline installation. The opportunity is categorized under NAICS code 238910 and is associated with the agency TOHH1 - BOS in Massachusetts. Interested parties must submit their responses by the deadline of November 19, 2026, following the posting date of October 21, 2026.

POSTED

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Concrete Demolition ServicesThis subcontract for Concrete Demolition Services involves performing targeted demolition work for prime contractors on water resource projects managed by the Gwinnett County Government in Georgia. The scope of work specifically includes the demolition of existing concrete risers, concrete impact basins, and sections of internal drain systems and spillway pipes, as well as the subsequent removal and disposal of these structures. The opportunity is categorized under NAICS code 238910 and was posted on October 21, 2026. Interested parties must submit their responses by the deadline of December 9, 2026.

Gwinnett County Government

POSTED

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Site Preparation and Erosion Control ServicesThis subcontract for Site Preparation and Erosion Control Services supports prime contractors on water resource projects for the Gwinnett County Government in Georgia. The scope of work focuses on site stabilization, which includes the installation and maintenance of erosion control measures, the construction of temporary access roads, and the implementation of temporary pedestrian access measures to ensure a compliant and functional site. The opportunity was posted on October 21, 2026, with a response deadline of December 9, 2026. Classified under NAICS code 238910, the contract requires the delivery of a fully stabilized site that meets all necessary regulatory and operational standards for the agency.

Gwinnett County Government

POSTED

DEADLINE

Site Restoration and Erosion ControlThis subcontract for Site Restoration and Erosion Control supports prime contractors on Town of Holliston WWTP projects located on Washington Street in Holliston, Massachusetts. The scope of work involves installing temporary fencing and erosion control mitigation, as well as executing site restoration of disturbed areas through loan and seed methods to deliver a fully stabilized and seeded site. The project is managed under the Board of Selectmen for the state of Massachusetts and falls under NAICS code 238910. All work must be performed in strict compliance with local environmental regulations. The solicitation was posted on October 21, 2026, with a response deadline set for November 12, 2026.

BOS17 - Board of Selectmen

POSTED

DEADLINE

Specialized Turf InstallationThis subcontract opportunity with the Massachusetts Water Resource Authority involves the installation of specialized turf systems designed for erosion control and armoring on various dam projects. The selected contractor will be responsible for implementing high-performance seeding, erosion control blankets, or turf reinforcement mats to ensure long-term stability and prevent soil erosion. All work must be performed in strict compliance with M.G.L. c. 30, sec. 39M. Interested parties must submit their responses by December 2, 2026, to provide the required installed turf systems under NAICS code 238910.

MWRA - Massachusetts Water Resource Authority

POSTED

DEADLINE

Tree Clearing and Site PreparationThis subcontract focuses on tree clearing and general site preparation for the Massachusetts Water Resource Authority dam projects. The scope of work involves utilizing heavy machinery to remove vegetation and haul away debris from the Foss Reservoir Dam site to ensure the area is fully prepared for subsequent embankment work. The project requires strict compliance with M.G.L. c. 30, sec. 39M. Interested parties should note that the response deadline is December 2, 2026, and the work falls under NAICS code 238910 for other site preparation contractors.

MWRA - Massachusetts Water Resource Authority

POSTED

DEADLINE

Commercial Demolition - Terminal CThis subcontract for Commercial Demolition at Terminal C involves the demolition of existing airport infrastructure, specifically Piers B and C, to prepare the site for new construction. The scope of work includes the removal of all interior finishes and structural elements, requiring the use of heavy demolition equipment and comprehensive debris hauling systems. The project is managed under the Massachusetts Capital Programs agency and is located in Boston. Contractors must strictly adhere to a Project Labor Agreement and comply with all Massport safety and security regulations essential for operating within an active airfield environment. Responses for this opportunity are due by November 6, 2026.

CAPPROG - Capital Programs

POSTED

DEADLINE

Gas Pipe Elevation Verification (Potholing)This subcontract involves providing specialized potholing services for prime contractors on San Bernardino County Department of Public Works projects. The selected contractor will be responsible for verifying the exact location and elevation of existing gas lines at five specific intersection locations using either vacuum excavation trucks or specialized hand-digging tools. All work must be performed in strict accordance with local utility safety standards and gas company safety protocols to ensure the safe delivery of verified elevation data. The project is managed by the Land Development and Contracts division of Public Works in California, with the place of performance located in San Bernardino. Interested parties must submit their responses by November 19, 2026. This opportunity falls under NAICS code 238910 and is specifically focused on the critical verification of utility infrastructure to support broader public works development.

Landdevcontracts - Public Works - Land Development & Contracts

POSTED

DEADLINE

Earthwork, Clearing & Site RestorationThis subcontract for Earthwork, Clearing and Site Restoration involves performing site preparation and restoration services for prime contractors on City of Lynchburg sewer improvement projects in Virginia. The scope of work includes clearing and grubbing across 5,130 square yards, select tree removal, rock excavation, and final seeding to ensure a cleared site with restored vegetation. Additionally, the contractor is responsible for implementing and maintaining SWPPP measures in accordance with Item IA-2. The opportunity was posted on October 21, 2026, with a response deadline of December 8, 2026. Classified under NAICS code 238910, the project is managed for the City of Lynchburg. Interested parties should refer to the city website for any addenda related to the performance of these services.

City of Lynchburg

POSTED

about 10 hours ago

DEADLINE

in about 2 months

AI Contract Overview

The contract involves the construction of a 46 linear foot retaining wall on the south side of a tank to stabilize the surrounding soil, ensuring structural integrity and preventing erosion or land movement. This work is classified under NAICS code 238910, indicating it falls within the specialty trade contracting category for site preparation and related civil construction. The project is structured as a subcontract under the Water & Power Department in California and was posted on April 23, 2026, with a formal response deadline of May 19, 2026, at 9:00 PM. While specific location details such as city, state, or zip code are not provided, the place of performance is clearly identified as the area south of the tank. There is no set-aside designation or additional eligibility criteria specified, and no point of contact information is included in the posting. Interested parties must submit proposals through the official online portal linked to this solicitation.

General Info

Construct 46-foot retaining wall to stabilize soil near tank; subcontract proposals due May 19, 2026.

Agency

California → Water & Power Department (Water)

NAICS

238910 - Site Preparation Contractors

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 2026-RFP-0118.

The full solicitation package (15 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Don Benito Reservoir Replacement Engineering Services

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedApr 23

subcontract

Response DeadlineMay 19

Deadline has passed

Submission Closed

05/19/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Water & Power Department (Water)

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Water & Power Department (Water)

Office AddressN/A

ContactsNo contact information available

Full Description

Construction of a 46 linear foot retaining wall to stabilize soil on the south side of the tank.

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