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This Government Contract opportunity from Department Of The Interior was posted on June 10, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Mechanical Excavation and Backfill

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
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Solicitation # north-river-sanitary-district-no-1-wrrf-upgrades-expansion
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about 12 hours ago

DEADLINE

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NAICS: 237990
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Solicitation W9128A26BA002 is a firm-fixed-price contract issued by the U.S. Army Corps of Engineers Honolulu District for maintenance dredging and revetted mole repair at the Haleiwa Small Boat Harbor in Oahu, Hawaii. The project scope includes mobilization and demobilization, the dredging and ocean disposal of approximately 4,260 cubic yards of material to an approved offshore site south of Oahu, and comprehensive revetment repairs involving clearing, grubbing, stone rework, and vegetation removal. The estimated contract value ranges between 1,000,000 and 5,000,000 dollars, with a performance period of 200 calendar days from the receipt of the Notice to Proceed. This opportunity is set aside for HUBZone Small Businesses, who are eligible for a 10 percent price evaluation preference. Bidders must submit sealed physical bids by September 30, 2026, as electronic submissions are not permitted. Key requirements include the provision of performance and payment bonds, adherence to the Davis-Bacon Act, and the appointment of key personnel, including a Project Manager, Project Superintendent, Quality Control System Manager, and Site Safety and Health Officer. The contract stipulates liquidated damages of 2,297 dollars per calendar day of delay and requires a third-party qualified surveyor for pre- and post-dredge multi-beam hydrographic surveys to verify final quantities.
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POSTED

about 12 hours ago

DEADLINE

in 17 days
NAICS: 237990
New
Federal
Station Umpqua River Floating Dock Repair
Solicitation # 70Z03326QSEAT0015
The Department of Homeland Security, through the U.S. Coast Guard Base Seattle, is soliciting bids for a firm-fixed-price contract to repair the floating pier at Station Umpqua River in Winchester Bay, Oregon. The project involves providing all personnel, equipment, and tools to remove deteriorated wooden whalers and hardware and install three layers of 4 by 12 inch wooden whalers, through rods, roller hoops, and an egress ladder, while reinstalling ten existing cleats. The estimated period of performance is from September 21, 2026, to October 22, 2026, with a required completion date of October 14, 2026. This is a total small business set-aside under NAICS code 237990. A mandatory site visit is scheduled for August 27, 2026, at 10:00 AM, and interested offerors must submit their attendee lists by August 26, 2026. Proposals are due by September 14, 2026, at 3:00 PM PST and must be submitted via email to the contracting officer. Submissions are limited to six pages and must include a completed SF 1442, a detailed price breakdown covering mobilization, materials, and labor, and a technical proposal detailing the approach and project schedule. Evaluation will be based on technical capability, past performance, and price, with technical capability being the most significant factor. Awardees must be registered in the System for Award Management and comply with Davis-Bacon Act wage determinations for Douglas County, Oregon.
Base SEATTLE(00033)

POSTED

1 day ago

DEADLINE

in 4 days

AI Contract Overview

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This contract involves excavation and backfill work specifically for mechanical installations, including the creation of trenches for fire piping and pump vaults. The work is situated in a remote and environmentally sensitive location, requiring careful planning and execution to minimize environmental impact. The contract falls under the NAICS code 237990, which covers other heavy and civil engineering construction. Issued by the Department of the Interior through the Pwr Pore Mabo office, this subcontract was posted on June 10, 2026, with a response deadline of July 17, 2026. While specific geographic details for the place of performance are not provided, the project's sensitive nature suggests a need for specialized expertise and adherence to environmental regulations. The solicitation does not indicate any type of set-aside, and no specific point of contact is listed.

General Info

Excavation and backfill for mechanical installations in sensitive area, Department of Interior subcontract.

Agency

Department Of The Interior → Pwr Pore Mabo (84000)View Agency

NAICS

237990 - Other Heavy and Civil Engineering ConstructionView NAICS

Place of Performance

CA

Set-Aside

NONE

Documents

This scope was carved out of 140P8126R0002.

The full solicitation package (18 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Y--LAKE26-0039-PARA FIRE SUPRESSION SYSTEM

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

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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 → Pwr Pore Mabo (84000)
ContactsNo contacts available
OfficeN/A
Organization / Agency
Department Of The Interior → Pwr Pore Mabo (84000)
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

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Excavation and backfill for mechanical installations including trenches for fire piping and pump vaults in a remote, environmentally sensitive area.

More opportunities from Department Of The Interior → Pwr Pore Mabo (84000)

Same awarding agency

NAICS: 238220
New
Federal
J--Replace Boiler at Limantour Lodge, NPS-PORE
Solicitation # 140P8426Q0051
Solicitation 140P8426Q0051 is a total small business set-aside for a firm-fixed-price commercial construction purchase order to replace the boiler heating system at Limantour Lodge within the Point Reyes National Seashore in Marin County, California. The project involves the removal of the existing system and the installation of a high-efficiency, propane-fired condensing boiler, specifically the Lochinvar Knight Fire Tube KHB085N-100. The contractor must hold a current California Contractor State License, such as a Class A General Engineering Contractor license, and ensure all work complies with the International Mechanical Code, International Fuel Gas Code, NFPA 54, NFPA 58, and ASME Boiler and Pressure Vessel Code Section IV. The period of performance is scheduled from September 22, 2026, to November 22, 2026, with a requirement to commence work within 10 calendar days of the notice to proceed and complete all work, including final cleanup, within 60 calendar days. Award will be based on the most advantageous value to the government, evaluating relevant experience from the last six years, the technical approach, and a risk-based assessment of the project schedule. Key administrative requirements include compliance with the Davis-Bacon Act for prevailing wages, submission of electronic invoicing through the Invoice Processing Platform, and the provision of 100 percent payment protection within ten days of award. Quotations must be submitted by September 16, 2026, and include a technical information form, a project schedule, and a technical approach narrative not exceeding five pages.
Plumbing, Heating, and Air-Conditioning Contractors

POSTED

2 days ago

DEADLINE

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NAICS: 333517
New
Federal
Sign Printer, NPS-REDW
Solicitation # 140P8426Q0022
Solicitation 140P8426Q0022 is a firm-fixed-price request for quotation issued by the Department of the Interior's National Park Service for the supply and delivery of one sign printer and an optional compatible laminator for Redwood National Park in Crescent City, California. This procurement is a Total Small Business Set-Aside under NAICS code 333517. The sign printer must meet specific technical characteristics, such as those of the TrafficJet Xpress or equal, and the optional laminator must support a maximum document and board thickness of 50 mm and a maximum working width of 171 cm. The period of performance is from September 25, 2026, to December 28, 2026, with a final delivery deadline of December 28, 2026, shipped FOB Destination to zip code 95531. Award will be granted to a responsible quoter based on the most advantageous combination of price and other factors, including technical acceptability, relevant experience, and past performance within the last six years. Quotations must be submitted via email to Loren Thomas by September 18, 2026, and must include a completed SF 1449, a detailed technical description, and evidence of past performance. Payment will be processed electronically through the Invoice Processing Platform. The contract incorporates various FAR clauses, including those regarding sustainable products, security prohibitions, and the prohibition of contracting with entities that require certain internal confidentiality agreements.
Machine Tool Manufacturing

POSTED

2 days ago

DEADLINE

in 5 days
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NAICS: 562998
New
Federal
H--Inspect & Clean Water Tanks, Crater Lake N.P.
Solicitation # 140P8426Q0076
The National Park Service is soliciting quotes for the cleaning and inspection of four potable water tanks at Crater Lake National Park, including one 150,000 gallon tank at Park Headquarters, two 100,000 gallon tanks at Mazama, and one 185,000 gallon tank at the Garfield Reservoir. The scope of work involves removing sediment, cleaning walls and floors, performing material deterioration analysis, and conducting water quality testing for chlorine residual and turbidity to meet Oregon Department of Environmental Quality standards. The project is a total small business set-aside under NAICS code 562998. All dive team members must possess ANSI/ACDE 01-1993 minimum commercial diver training with at least 600 hours of certified experience. The period of performance is generally 45 days after award, with a flexible window from September 28, 2026, through July 31, 2027, to account for seasonal snowfall and potential winter shutdowns. Priority is placed on completing the Garfield tank first, as it is only accessible via hiking trail and requires specific equipment restrictions, such as mechanical toters no wider than 36 inches. All waste must be hauled to the Mazama dump station. Quotes are due by 4:00 PM PDT on September 16, 2026, and must include a lump-sum price, a detailed labor and equipment breakdown, a proposed project schedule, and past performance references from the last three years. Award will be based on the most advantageous offer, considering price, relevant experience, and schedule.
All Other Miscellaneous Waste Management Services

POSTED

2 days ago

DEADLINE

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NAICS: 238350
New
Federal
Z--Replace Shared Bathroom and Kitchen at Q5,NPS-ORCA
Solicitation # 140P8426Q0077
Solicitation 140P8426Q0077 is a firm-fixed-price commercial construction project for the National Park Service to replace a shared bathroom and kitchen at Quarters 5 within the Administration Area Housing Unit at Oregon Caves National Monument and Preserve in Josephine County, Oregon. The scope of work includes mobilization, demolition, and the installation of cabinetry, appliances, fixtures, and flooring, as well as necessary electrical and plumbing work. The project requires compliance with ADA standards, OSHA 29 CFR 1926, and current NPS building codes. Notably, the abatement of hazardous materials such as asbestos or lead paint is expressly excluded from this fixed-price contract. This acquisition is a total small business set-aside under NAICS code 238350, with a suggested total price of less than 65,000 dollars. The period of performance is scheduled from September 23, 2026, to November 23, 2026, with a requirement to commence work within 10 days of the notice to proceed and complete all work within 60 days. Award decisions will be based on the best value, evaluating factors such as relevant experience from the last six years, the proposed construction schedule, technical approach, past performance, and the validity of an Oregon Construction Contractors Board License. Contractors must adhere to Davis-Bacon prevailing wage rates and provide liability insurance with minimum coverage of 500,000 dollars per occurrence.
Finish Carpentry Contractors

POSTED

2 days ago

DEADLINE

in 3 days
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