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This Government Contract opportunity from Department Of The Interior was posted on June 11, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Earthwork, Grading, and Excavation

Closed
Federal

Contract Overview

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

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NAICS: 237990
New
North of River Sanitary District No. 1 WRRF Upgrades and Expansion
Solicitation # north-river-sanitary-district-no-1-wrrf-upgrades-expansion
Kiewit Infrastructure West Co. is soliciting sub-quotes for the North of River Sanitary District No. 1 WRRF Upgrades and Expansion project located in Bakersfield, California. The scope of work is extensive, covering civil and site work such as aggregates, trucking, asphalt paving, and curb and gutter; structural and finishing tasks including concrete reinforcing, masonry, welding, roofing, and painting; and specialized electrical and piping installations. Interested firms must contact Kiewit to receive an Invitation to Bid via the Building Connected system, with a response deadline of September 17, 2026. The project is partially funded by the Water Infrastructure Finance and Innovation Act administered by the EPA, making it subject to the American Iron and Steel provisions, Davis-Bacon Related Acts, and DBE Program requirements. Eligible bidders include DBE, SBE, MBE, WBE, SBRA, LSFA, and HUB Zone small businesses, with DBEs required to provide valid certification from recognized bodies such as the US EPA or SBA. Qualified respondents must hold a valid California Contractor’s license and provide acceptable insurance. Additionally, responsible subcontractors may be required to provide bonding for 100% of their contract value, for which Kiewit will reimburse the premiums.
Kiewit Infrastructure West Co.

POSTED

about 14 hours ago

DEADLINE

in 4 days
NAICS: 237990
New
Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair
Solicitation # W9128A26BA002
The U.S. Army Corps of Engineers Honolulu District is soliciting sealed bids for the Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair project in Oahu, Hawaii. This firm-fixed-price contract, with an estimated value between 1 million and 5 million dollars, involves maintenance dredging of approximately 4,260 cubic yards with ocean disposal at an approved offshore site south of Oahu. The scope also includes vegetation clearance and revetted mole repairs, such as stone rework, filling voids with additional stone, and root removal. The period of performance is 200 calendar days from the receipt of the Notice to Proceed. The solicitation is set aside for HUBZone Small Businesses, who receive a 10 percent price evaluation preference. Award is based on the lowest responsive bid that complies with all material respects of the invitation. Key requirements include the provision of performance and payment bonds, adherence to the Davis-Bacon Act for wages, and the appointment of key personnel, including a Project Manager, Project Superintendent, Quality Control System Manager, and Site Safety and Health Officer. Technical acceptance is based on third-party multi-beam hydrographic surveys and strict quality standards for stone materials. Bids must be submitted physically via commercial carrier or in-person by September 30, 2026, as electronic submissions are not permitted.
Healy Tibbitts Builders, Inc.

POSTED

about 14 hours ago

DEADLINE

in 17 days

AI Contract Overview

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This contract involves comprehensive earthwork activities, including site preparation tasks such as excavation, grading, cut and fill operations, and soil stabilization specifically for a roadway realignment and bridge construction project within Zion National Park. The work is critical to supporting infrastructure improvements in this environmentally sensitive area, ensuring that earthmoving and ground conditioning meet the precise requirements for the construction project. Issued by the Department of the Interior through the Dsc Contracting Services Division, this subcontract opportunity falls under the NAICS code 237990, which covers specialized construction services. The solicitation was posted on June 11, 2026, with a response deadline of June 29, 2026. While some contract-specific details like exact location and points of contact are not provided, the scope clearly emphasizes earthmoving support services intended to facilitate roadway and bridge construction within the park's boundaries.

General Info

Earthwork for roadway realignment and bridge construction in Zion National Park, issued June 2026.

Agency

Department Of The Interior → Dsc Contracting Services DivisionView Agency

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CO

Set-Aside

NONE

Documents

This scope was carved out of 140P2026R0090.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Y--ZION 240182 - South Entrance and Visitor Center Road Rehabilitation

AI Contract Breakdown

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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 / Agency
Department Of The Interior → Dsc Contracting Services Division
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

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Perform site preparation including excavation, grading, cut/fill operations, and soil stabilization for roadway realignment and bridge construction within Zion National Park.

More opportunities from Department Of The Interior → Dsc Contracting Services Division

Same awarding agency

NAICS: 237110
New
Federal
Y--Rehabilitation of Water and Wastewater System
Solicitation # 140P2026B0003
Solicitation 140P2026B0003 is a sealed bid invitation for bid issued by the National Park Service Denver Service Center for the rehabilitation of water and wastewater systems at the Curecanti National Recreation Area in Colorado. This total small business set-aside project focuses on replacing and upgrading critical infrastructure at Elk Creek and Lake Fork, including primary and secondary water distribution, wastewater collection, septic tanks, leach fields, and lift stations. The scope also encompasses electrical and mechanical upgrades, the installation of a supervisory control and data acquisition (SCADA) system for remote monitoring, and the creation of a potable water truck filling station. The estimated project value ranges from 5 million to 15 million dollars, with a performance period extending from July 20, 2026, to October 31, 2028. The contract will be awarded to the lowest responsible bidder based on a proposal consisting of five base line items and four optional line items. Key requirements include the submission of original bid bonds, the maintenance of comprehensive liability and workers compensation insurance, and the implementation of a written accident prevention plan compliant with OSHA standards. Technical specifications mandate adherence to various regulatory standards, including ADA compliance for entry ramps and specific cybersecurity protocols for facility equipment. Administrative requirements include electronic invoicing via the Treasury's Invoice Processing Platform and strict limitations on the substitution of key personnel during the first 120 days of performance. Bids must be submitted by 1400 local time on September 29, 2026.
Water and Sewer Line and Related Structures Construction

POSTED

1 day ago

DEADLINE

in 17 days
View Details
NAICS: 237110
New
Federal
Z--Yellowstone - Mammoth Water Line Replacement
Solicitation # 140P2026B0005
Solicitation 140P2026B0005 is a construction project for the National Park Service, Department of the Interior, to replace the water line in the Mammoth Housing Area of Yellowstone National Park, Wyoming. The project aims to re-establish a looped water system and ensure year-round water service to apartments. The scope of work includes installing approximately 750 linear feet of 6-inch HDPE water main and new water services to apartments, reconnecting and relocating fire hydrants, and rehabilitating or replacing faulty pressure-regulating valves. The estimated contract value ranges from 250,000 to 500,000 dollars, though it is currently noted as an unfunded requirement with a high expectation that funds will become available. This procurement is set aside for SBA Certified Women-Owned Small Businesses under NAICS code 237110, with a size standard of 45 million dollars. The estimated period of performance is 120 calendar days, which may include winter construction and weather-related shutdowns. Due to the rural location and the fact that the park remains open, contractors must implement unique material delivery logistics and schedule activities to minimize visitor impact. Bids are to be submitted via sam.gov by September 15, 2026, and will be opened and read according to FAR Part 14 procedures. The primary point of contact for this effort is Vicki Freese-Supler.
Water and Sewer Line and Related Structures Construction

POSTED

1 day ago

DEADLINE

in 3 days
View Details

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