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This Government Contract opportunity from Department Of The Interior was posted on August 31, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Concrete Retaining Wall Construction

Closed
Federal

Contract Overview

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

Active Opportunities Like This One

NAICS: 238110
New
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Solicitation # 261119-robbinsdale-mn
Caldwell Tanks, Inc. is seeking subcontractors for a water tank construction project located in Robbinsdale, Minnesota. The solicitation covers several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. Interested parties must submit their responses by the deadline of November 17, 2026. This opportunity emphasizes Disadvantaged Business Enterprise participation, with target goals set at 3.5 percent for Minority Business Enterprises and 5.0 percent for Women Business Enterprises. Primary inquiries should be directed to Kendal Eckert.
Caldwell Tanks, Inc.

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about 7 hours ago

DEADLINE

in 15 days
NAICS: 238110
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Hickman Reservoir and Pump Station – 26_1109 – Hickman-NE
Solicitation # hickman-reservoir-pump-station-261109-hickman-ne
Caldwell Tanks, Inc. is seeking subcontractors for the construction of the Hickman Reservoir and Pump Station project located in Hickman, Nebraska. This small business set-aside solicitation focuses on several specialized scopes of work, including site work, tank painting, electrical installations, and fencing. Interested parties must submit their responses by November 5, 2026. The primary point of contact for this opportunity is Eric Koetter, who can be reached via email or phone for further coordination regarding the project requirements and submission process.
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POSTED

about 7 hours ago

DEADLINE

in 3 days
NAICS: 238110
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Elbon Tank #2, Schedule 2- Elevated Tank Project
Solicitation # elbon-tank-2-schedule-2-elevated-tank-project
Caldwell Tanks, Inc. is seeking subcontractors for the Elbon Tank #2, Schedule 2 Elevated Tank Project located in Phillip, South Dakota. The project involves several specialized scopes of work, including site work under NAICS 238910, tank painting under NAICS 238320, and electrical work under NAICS 238210. This solicitation is specifically set aside for small businesses, including SAM.gov designated Small Disadvantaged Businesses and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by November 13, 2026. Primary coordination for this opportunity is handled by Eric Koetter.
Caldwell Tanks, Inc.

POSTED

about 7 hours ago

DEADLINE

in 11 days
NAICS: 238110
New
International
Concrete Curbing and Pole BasesThis subcontract involves the installation of cast-in-place concrete elements for prime contractors working on Regional District of Kootenay Boundary projects located at Big White Ski Resort in Canada. The scope of work specifically requires the delivery and installation of 300x300 concrete curbing and cast-in-place court net pole bases. The project is categorized under NAICS code 238110 and is associated with the Province of British Columbia. Interested parties must note that the solicitation was posted on November 1, 2026, with a response deadline set for December 11, 2026.
Regional District of Kootenay-Boundary

POSTED

about 16 hours ago

DEADLINE

in about 1 month
NAICS: 238110
New
SLED
Concrete Curbing & Site WorkThis subcontract opportunity with Hennepin County in Minnesota focuses on concrete curbing and site work for prime contractors operating on Hennepin County and MnDOT projects. The scope of work includes the installation of concrete curbing as well as the relocation of mailboxes, mailbox supports, and various utility or site markers. Interested parties must submit their responses by November 24, 2026, at 8:00 PM. The project falls under NAICS code 238110 and is managed through the Hennepin County procurement portal.
Hennepin County

POSTED

2 days ago

DEADLINE

in 23 days
NAICS: 238110
New
SLED
Concrete Work (Cast-in-Place & Precast)This subcontract for the Katharine Hepburn Cultural Arts Center project involves the installation of cast-in-place concrete, architectural precast concrete, and floor toppings. The selected contractor will be responsible for delivering finished concrete slabs and walls, providing architectural precast elements, and installing connection anchors in concrete. Managed by DAS Procurement for the state of Connecticut under NAICS code 238110, the opportunity was posted on October 30, 2026. Interested parties must submit their responses by the deadline of November 16, 2026.
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POSTED

2 days ago

DEADLINE

in 15 days
NAICS: 238110
New
SLED
Minor Concrete WorkThis subcontract for Minor Concrete Work involves the removal and installation of minor concrete elements for prime contractors on Caltrans pavement rehabilitation projects located in Imperial. The scope of work includes the removal and replacement of approximately 40 cubic yards of minor concrete, utilizing concrete saws and forms in strict accordance with the 2025 Caltrans Standard Specifications. The selected contractor is responsible for the delivery of all completed minor concrete structures. The opportunity is categorized under NAICS code 238110 and is associated with the California Department of Transportation. Interested parties must submit their responses by the deadline of November 16, 2026.
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POSTED

2 days ago

DEADLINE

in 15 days
NAICS: 238110
New
SLED
Concrete Sidewalk, Curb, and Gutter InstallationThis subcontract involves the forming, pouring, and finishing of concrete for sidewalk improvement projects within the City of Swainsboro. The scope of work includes the installation of 1,153 linear feet of curb and gutter, 635 square yards of sidewalk of varying dimensions, and 94 square yards of valley gutter, which incorporates two concrete flumes. All deliverables must be fully completed and cured. The contractor is required to adhere strictly to the 2021 GDOT Standard and 2024 Supplemental Specifications. This opportunity is categorized under NAICS code 238110, with a response deadline set for December 3, 2026.
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POSTED

2 days ago

DEADLINE

in about 1 month
NAICS: 238110
New
SLED
Concrete Floor FinishesThis subcontract opportunity is for the provision of specialized concrete floor finishes for facility projects managed by Bradley County Schools in Tennessee. The selected contractor will be responsible for performing comprehensive surface preparation and the application of finishes in strict accordance with Section 03 35 11 to deliver completed, high-quality concrete flooring. The solicitation was posted on October 30, 2026, with a response deadline of November 30, 2026. Falling under NAICS code 238110, this project requires a subcontractor capable of working alongside prime contractors to meet the specific technical requirements of the school district's facility improvements.
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POSTED

2 days ago

DEADLINE

in 29 days
NAICS: 238110
New
SLED
Bridge Installation & Structural ConcreteThis subcontract for Bridge Installation and Structural Concrete involves performing specialized construction services for prime contractors on Maryland Department of General Services park projects. The scope of work includes executing excavation for footings, installing rock spread footings, setting and connecting five precast arch sections, and completing final concrete finishing in accordance with MDOT-SHA Standard Specifications to deliver a fully installed bridge structure. The opportunity is categorized under NAICS code 238110 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of January 11, 2027.

POSTED

2 days ago

DEADLINE

in 2 months
NAICS: 238110
New
SLED
Cast-in-Place ConcreteThis subcontract opportunity involves the supply and installation of cast-in-place concrete for structural and miscellaneous elements at the Porter-Tower Joint Municipal Authority Wastewater Treatment Plant projects in Schuylkill County, Pennsylvania. The selected contractor will be responsible for pouring concrete for various components, including slope anchors, thrust blocking, and concrete encasement, as well as the delivery of installed concrete blocks and structures. The project falls under NAICS code 238110 and is managed through Schuylkill County. Interested parties must submit their responses by the deadline of December 16, 2026, at 5:00 PM.
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POSTED

2 days ago

DEADLINE

in about 1 month
NAICS: 238110
New
SLED
Boiler Housekeeping Base InstallationThis subcontract opportunity involves performing specialized concrete work for prime contractors on facility projects for the Chicago Public Schools in Illinois. The scope of work requires the formation and pouring of cured concrete housekeeping bases for boilers, ensuring that each base is sized at least 4 inches larger than the boiler base in accordance with Section 03 30 00. The project falls under NAICS code 238110 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of November 24, 2026.
Chicago Public Schools

POSTED

2 days ago

DEADLINE

in 23 days

AI Contract Overview

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This subcontract involves the construction of concrete retaining walls for prime contractors working on National Park Service road repair projects within the Golden Gate National Recreation Area. The scope of work includes the installation of formwork, rebar placement, and the pouring of structural concrete via concrete pumps, all while adhering to strict NPS safety and environmental guidelines and standard structural concrete specifications. Managed by the Dsc Contracting Services Division under the Department of the Interior, the project falls under NAICS code 238110. The solicitation was posted on August 31, 2026, with a response deadline of October 29, 2026. The primary objective is the successful delivery of completed structural concrete retaining walls.

General Info

Subcontract for concrete retaining wall construction at Golden Gate National Recreation Area.

Agency

Department Of The Interior → Dsc Contracting Services Division

NAICS

238110 - Poured Concrete Foundation and Structure Contractors

Place of Performance

CO

Set-Aside

NONE

Documents

This scope was carved out of 140P2026R0106.

The full solicitation package (23 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Z--GOGA 336173 - Repair Conzelman Road

AI Contract Breakdown

Uniform Contract Format

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

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyDepartment Of The Interior → Dsc Contracting Services Division
ContactsNo contacts available
OfficeN/A
Organization / AgencyDepartment Of The Interior → Dsc Contracting Services Division
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Constructs concrete retaining walls for prime contractors on National Park Service (NPS) road repair projects at the Golden Gate National Recreation Area. Performs formwork installation, rebar placement, and pouring of structural concrete using concrete pumps. Adheres to NPS safety and environmental guidelines and standard structural concrete specifications. Delivers completed structural concrete retaining walls.

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Same awarding agency

NAICS: 237110
New
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Solicitation # 140P2026R0098
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Water and Sewer Line and Related Structures Construction

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DEADLINE

in 19 days
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NAICS: 237990
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Y--Timucuan Ecological and Historic Preserve TIMU-335
Solicitation # 140P2026R0081
Solicitation 140P2026R0081 is a Small Business Set-Aside, Firm-Fixed-Price contract issued by the National Park Service for the stabilization of the Kingsley Plantation shoreline at the Timucuan Ecological and Historic Preserve in Jacksonville, Florida. The project, identified as TIMU-335507, aims to repair and extend a seawall damaged by Hurricane Ian to protect critical cultural and ecological resources. The scope of work is divided into three primary CLINs: the installation of a new weatherable rigid vinyl sheet pile wall with tie rods in front of the existing wall, the extension of the wall eastward using structural FRP composite sheet piles, and comprehensive site restoration including excavation, backfilling, sodding, sea grass restoration, and the installation of limestone riprap. The estimated construction magnitude is between 1 million and 5 million dollars, with a mandatory performance period of 259 calendar days. Award will be determined using the Best Value Continuum Tradeoff Process, where non-price factors—specifically technical approach, schedule, and management approach—are significantly more important than price. Contractors must adhere to strict environmental protection protocols to safeguard aquatic species, wetlands, and endangered wildlife, including manatees and sea turtles, in compliance with the Marine Mammal Protection Act and the Endangered Species Act. Additional requirements include adherence to the Davis-Bacon Act for prevailing wages, ADA compliance for public dock walkways, and the use of biodegradable or recyclable packaging. Proposals must be submitted electronically in two volumes by November 13, 2026, and include a bid bond and detailed past performance data.
Other Heavy and Civil Engineering Construction

POSTED

5 days ago

DEADLINE

in 12 days
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NAICS: 221320
New
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Y--GRCA 257282 - Replace Wastewater Plant at South Ri
Solicitation # 140P2026R0101
Solicitation 140P2026R0101 is an unrestricted full and open competition Invitation for Bid issued by the National Park Service, DSC Contracting Services Division, for the replacement of the South Rim Wastewater Treatment Plant at Grand Canyon National Park, Arizona. The project involves the construction of a GD Membrane Bio-Reactor wastewater treatment plant, including new treatment facilities, administrative and support buildings, and process systems. The scope of work encompasses complete demolition and removal of existing infrastructure, site preparation, grading, paving, fencing, and improvements to the facility access road. A critical requirement is that the existing plant must remain in permitted operation until the new facility is accepted by the government, and the contractor must provide a 12-month operational support period. The contract is a firm-fixed-price acquisition with a magnitude exceeding 100 million dollars. The mandatory period of performance is 1095 calendar days, scheduled from February 1, 2027, to February 1, 2030. Award will be based on a multi-factor, best-value tradeoff process evaluating technical experience, technical approach, key personnel experience, and price. Required deliverables include a detailed commissioning plan covering startup sequencing, operator training, and regulatory coordination. The contractor must furnish performance and payment bonds and comply with union prevailing wage rates, Department of the Interior cybersecurity requirements, and ADA/ABA accessibility standards.
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POSTED

5 days ago

DEADLINE

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NAICS: 237310
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Z--BRCA 310427 Southbound Shuttle Stop
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Solicitation 140P2026R0065 is a small business set-aside for the construction of the Southbound Shuttle Stop at Bryce Canyon National Park, Utah. Managed by the National Park Service Denver Service Center, this firm-fixed-price contract has an estimated value between $1,000,000 and $5,000,000. The scope of work includes shuttle stop improvements, the addition of lanes, culvert installation, trail realignment, retaining wall construction, ADA ramp and sidewalk installation, and the placement of shelters and MUTCD-compliant signage. Due to the project's location, the contractor must implement protective measures for the adjacent UT Prairie Dog Habitat and ensure all equipment is clean and free of contaminants. The performance period is scheduled from May 1, 2027, to September 28, 2027, with a total duration of 150 calendar days following the notice to proceed. Award will be determined using the Best Value Continuum Tradeoff Process, evaluating technical approach, schedule, project experience, key personnel, and past performance alongside proposed pricing. Requirements include the submission of bid, performance, and payment bonds, compliance with Davis-Bacon Act wage determinations, and adherence to OSHA safety standards. Proposals must be submitted electronically in separate technical and price volumes, with a final response deadline of November 3, 2026.
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17 days ago

DEADLINE

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NAICS: 237110
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DEADLINE

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about 2 months ago

DEADLINE

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DEADLINE

in about 15 hours
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