This Government Contract opportunity from Government of Canada was posted on June 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Excavation and Site Grading

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International

Submission Closed07/15/2026, 07:00:00 PM UTC

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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Columbia Canal Embankment Repair Services

Solicitation # columbia-canal-embankment-repair-services

The City of Columbia is seeking qualified contractors to perform repair services on the Columbia Canal embankment located in Richland County, South Carolina, under solicitation number CIPDR 4241. The work involves addressing structural and erosion-related issues to restore the integrity and safety of the embankment, with all tasks to be completed in accordance with local and federal standards. The project is set aside for small businesses, with eligibility extended to Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone Small Business, Veteran-Owned Small Business, Service-Disabled Veteran-Owned Small Business, and other disadvantaged business categories as defined by the SBA. The North American Industry Classification System code for this opportunity is 237990, which covers other heavy and civil engineering construction services. Phillips Heavy, Inc. is listed as the organizing entity responsible for administering the contract, and interested parties must submit responses by the deadline of August 26, 2026. Primary point of contact for inquiries is Chandler Worley, reachable via phone at 865-567-3602 or email at cworley@phillipsinc.com. The contract does not specify a detailed address for the agency office, but all work must be performed at the canal embankment site in Columbia, South Carolina. Additional information about the solicitation, including requirements and eligibility criteria, is available through the official SBA opportunity portal at the provided link.

POSTED

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45th Ave SW Culvert Replacement and Habitat Restoration

Solicitation # 45th-ave-sw-culvert-replacement-habitat-restoration

The City of Seattle is procuring the replacement of a culvert and associated habitat restoration along 45th Ave SW in King County, Washington, under solicitation number 45th-ave-sw-culvert-replacement-habitat-restoration. The project, posted on August 10, 2026, with a response deadline of August 12, 2026, is classified under NAICS code 237990 for other heavy and civil engineering construction and is being managed by Shimmick Construction Company, Inc. as the contracting entity. The solicitation encourages participation from Minority Business Enterprises certified by NMSDC and Woman Business Enterprises certified by WBENC, promoting diverse contracting opportunities under non-federal set-aside guidelines. The work involves removing and replacing aging infrastructure while restoring natural habitat conditions in the surrounding environment to enhance ecological resilience and compliance with local environmental standards. The point of contact for inquiries is Jamie Miranda of Shimmick Construction Company, Inc., reachable via email at jmiranda@shimmick.com or phone at 707-410-5070. The place of performance is explicitly located in Seattle, Washington, and no specific office address is provided for the agency. All interested bidders are directed to the official opportunity page on the SBA’s website for additional details and submission requirements. The project reflects a dual focus on civil infrastructure improvement and environmental stewardship, aligning with the city’s broader goals for sustainable urban development and ecological mitigation in affected watersheds.

Shimmick Construction Company, Inc

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Aerial Structures Rehab

Solicitation # aerial-structures-rehab

The contract titled Aerial Structures Rehab is a solicitation issued by WMATA for the rehabilitation of aerial structures located in Washington DC, with the solicitation number FRBIR266247/LAN. It is designated as a Small Business and Small Disadvantaged Business set-aside under NAICS code 237990, ensuring eligibility for qualifying small and disadvantaged firms. The opportunity was posted on August 10, 2026, with a response deadline of August 19, 2026, requiring timely submission of proposals from interested contractors. The primary point of contact for inquiries is Robyn Alma of Posillico Civil, Inc., reachable via phone at 516-458-2091 or email at ralma@posillicoinc.com. The work will be performed entirely within the District of Columbia, and all bidders are expected to comply with federal small business contracting requirements. Further details and access to the full solicitation can be obtained through the SBA’s opportunity portal.

Posillico Civil, Inc.

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Site Preparation and Clearing

FLUID HANDLING DIVISION

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WWTP Primary Clarifier Drive Unit Replacement

Solicitation # 26-0063

The City of Richland is soliciting bids for the replacement of the primary clarifier drive unit at its wastewater treatment plant, with a project estimate of $224,000. The scope includes removal of the existing drive unit and installation of a new OVIVO C30HT drive unit along with all necessary assemblies and appurtenances to ensure full operational functionality. Bids must be submitted electronically via PublicPurchase.com or delivered physically to the City’s Purchasing Division at 2700 Duportail Street, Richland, WA, with a strict deadline of August 25, 2026, at 9:00 PM. All proposals must include required certifications such as non-collusion, compliance with wage laws, ADA adherence, and affirmative action commitments under Title VI of the Civil Rights Act, and must be accompanied by a bid bond equal to 5% of the bid amount. Contractors must hold valid state and local licenses, be registered in SAM, and provide proof of insurance with A.M. Best ratings of at least A- VII, including additional insured endorsements for subcontractors. The contract requires performance and payment bonds at 100% of the contract value, issued by a U.S. Treasury-listed surety. Work must be completed within 20 working days after the Notice to Proceed, with all equipment delivered to the City Warehouse at Building 200 for inspection prior to installation. Technical specifications are governed by Appendix C (OVIVO C30HT DRIVE UNIT SPECIFICATIONS) and the City’s Standard Special Provisions, with mandatory submittals for drive, reducer, motor, chain, drive control, and nameplate data via six designated tabs. Inspection and acceptance occur on-site, with quality control enforced through adherence to standards such as ASTM and ANSI, and acceptance contingent upon passing operational tests including television inspection and low-pressure air testing for sewer systems. The City reserves the right to disqualify nonresponsive bids and will evaluate proposals based on compliance with specifications and bid accuracy, though the formal award methodology is not explicitly stated. No federal FAR clauses apply; instead, the City uses its own provisions referenced as 1-01.3, 1-02.6, and 1-03.4. Failure to submit any required documentation, including the UBI, certifications, or bonding, will render a bid nonresponsive.

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Site Grading and Final RestorationThe contract titled Site Grading and Final Restoration pertains to post-demolition site restoration activities including grading, compaction, and seeding or erosion control measures to ensure the area is returned to a stable and safe condition. Work is required to properly shape the land, achieve adequate soil density through compaction, and implement vegetation or other erosion control methods to prevent environmental degradation and promote long-term stability. The solicitation is categorized as a subcontract under NAICS code 237990 for other heavy and civil engineering construction, and it was posted on August 9, 2026 with a response deadline of August 26, 2026. The awarding entity is the Iowa agency, though specific location details such as city, state, or zip code are not provided in the data. Interested parties must submit their proposals via the designated online portal before the deadline to be considered for this restoration work.

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D23-01 Jal Draw Excavation

Solicitation # midlandtexas-867

The City of Midland, Texas is soliciting bids for the D23-01 Jal Draw Excavation project under solicitation number midlandtexas-867. The bid is open for submission starting August 8, 2026 at 12:00 PM Central Time and closes on August 27, 2026 at 2:00 PM Central Time. Interested parties must obtain bid details by emailing the purchasing department at purchasing@midlandtexas.gov or by accessing the open bid through the Bonfire module on the City of Midland’s official procurement portal at https://www.midlandtexas.gov/bids.aspx?bidID=867. This solicitation is classified as a local government procurement with no set-aside designation specified and no NAICS code provided, indicating it is a standard public works contract open to all qualified contractors. The point of contact for all inquiries is the city’s purchasing office, and performance of the work is expected to occur within the City of Midland, Texas.

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Site Grading and Earthwork

Acquisitions - Aqm Momentum

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Installation of New Sign StructuresThe contract calls for the installation of new sign structures including sign posts, concrete footings, and the secure mounting of signs at a location in Yorktown with a postal code of 23690. All work must strictly comply with National Park Service and Manual on Uniform Traffic Control Devices standards, ensuring proper alignment, durability, and accessibility consistent with ADA requirements. The scope encompasses full preparation, placement, and verification of all components to meet federal safety and regulatory benchmarks for public signage. This is a subcontract set aside exclusively for Service-Disabled Veteran-Owned Small Businesses under FAR 19.14, classified under NAICS code 237990 for other heavy and civil engineering construction. The solicitation was posted on August 8, 2026, with a firm response deadline of September 14, 2026, at 2:00 PM. The contracting agency is the Department of the Interior under Ner Services Mabo, and performance is required on-site in Yorktown. Participation is limited to qualified SDVOSBs, and all proposals must demonstrate capability to meet the technical, regulatory, and compliance standards outlined in the contract requirements.

Ner Services Mabo (43000)

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TDA Auxiliary Water Supply (AWS) Backup Debris Management

Solicitation # W9127N26BA019

The contract titled TDA Auxiliary Water Supply (AWS) Backup Debris Management with solicitation number W9127N26BA019 is a Firm-Fixed Price Design-Bid-Build project aimed at implementing a predesigned mechanical system to remove debris from trash racks at the East Fish Ladder Auxiliary Water Supply Backup intake, eliminating the need for manual shutdowns by operations staff. The solicitation is a Total Small Business Set-Aside under NAICS code 237990 and is managed by the U.S. Army Corps of Engineers, Portland District. The bid submission deadline has been extended to 10:00 a.m. PDT on August 3, 2026, and a mandatory site visit is scheduled for July 21, 2026, at The Dalles Dam, requiring interested vendors to submit all required entry documents to Marie A. Adams by 11:00 a.m. PDT on July 15, 2026. Access to Attachment CUI_DallesAWS_SheetSet_ADVERTISE is restricted and requires verification of CMMC Level 2 self-attestation, with organizations needing to submit their CMMC Unique Identifier Number and CAGE Code via email to David Cook and Justin Figueredo. The primary point of contact is David Cook, with Justin Figueredo as the secondary contact, both reachable through the U.S. Army Corps of Engineers in Portland, Oregon.

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Mermentau River Bar Channel Dredging, Mermentau River – Gulf of America, Maintenance Dredging, #26-1

Solicitation # W912P826BA075

This is an unrestricted procurement under NAICS code 237990 for heavy and civil engineering construction, specifically targeting maintenance dredging of the Mermentau River between station -16+00 and 250+00, requiring the complete removal of all material above elevation -17.0-ft MLG and its deposition on the Gulf Shoreline west of the Mermentau jetties. The work will be awarded as a single firm fixed price contract through an Invitation for Bid, with an estimated value between $10 million and $25 million. All qualified businesses may submit bids, but large businesses must comply with subcontracting plan requirements as outlined in FAR 19.1 and FAR 52.219-9. The solicitation, identified by number W912P826BA075, will be issued on Sam.gov with no paper copies provided; interested parties must monitor the site for announcements and access all documents electronically. Compliance with SAM registration is mandatory for eligibility to receive an award, and vendors are encouraged to register as interested vendors on Sam.gov and post subcontracting opportunities on the SBA’s Subnet. The point of contact for the solicitation is Nakiea Butler of the U.S. Army Corps of Engineers, New Orleans District, reachable via email. The solicitation is scheduled to be posted August 8, 2026, with bids due by August 24, 2026.

W07V Endist New Orleans

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City of Calgary - Request for Proposal - RFP 26-1667 For Glenmore RWPS Penstock Crossover Piping and Valve Replacement

Solicitation # AB-2026-05612

The City of Calgary is seeking qualified contractors to perform construction services for the Glenmore Raw Water Pump Station Penstock Crossover Piping and Valve Replacement project, which involves the complete replacement of existing penstock crossover piping and associated valves, demolition of the current standpipe, and lead abatement on existing infrastructure. The scope includes the supply, installation, testing, and commissioning of new crossover and standpipe piping systems, along with all valves, fittings, supports, steelwork, platform structures, grating, and other miscellaneous metalwork required to restore and enhance system functionality. All work must comply with applicable safety and environmental standards, particularly regarding lead abatement procedures. This opportunity is exclusively available to contractors pre-qualified by the City of Calgary and is issued under solicitation number AB-2026-05612, posted on August 8, 2026, with responses due by September 1, 2026. Proposals must be submitted via SAP Ariba, where detailed technical and administrative requirements are outlined in the RFP documents. The project is located in Alberta, and all inquiries should be directed to Waris Khattana, the primary point of contact, via the provided email or phone number. Only firms meeting the City’s pre-qualification criteria will be considered for award.

City of Calgary

POSTED

2 days ago

DEADLINE

in 22 days

AI Contract Overview

The contract titled Excavation and Site Grading involves comprehensive site preparation activities including clearing, excavation, grading, and erosion control measures necessary to support the construction of building foundations and utility installations. This subcontract is issued by the Correctional Service of Canada, a division of the Government of Canada, and is specifically targeted for work to be performed in Alberta, Canada. The work falls under the NAICS code 237990, which categorizes it as other heavy and civil engineering construction, indicating the scale and technical nature of the earthwork and infrastructure support required. The solicitation was posted on June 24, 2026, with a response deadline of July 15, 2026, at 7:00 PM Eastern Time, leaving interested parties just over three weeks to submit proposals. There is no set-aside designation specified, meaning the contract is open to all eligible contractors without preferential treatment based on size or type of business. The location of performance is clearly identified as Alberta, though no further details on the exact site or point of contact are provided. Potential bidders must review the full tender notice via the provided Canada Buys link to ensure full compliance with technical specifications, submission requirements, and any additional conditions not outlined in the summarized data.