This Government Contract opportunity from Government of Canada was posted on May 8, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Underwater/Marine Construction Services

Closed

Canada

Submission Closed05/22/2026, 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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Excavation and Site GradingThe contract titled Excavation and Site Grading requires comprehensive site preparation including clearing, grubbing, excavation, backfill, and grading to establish a stable foundation for future construction and utility installations. The work must be performed in accordance with all applicable standards to ensure proper drainage, compaction, and contouring of the land, supporting the integrity of upcoming infrastructure. The solicitation is classified as a subcontract under NAICS code 237990 and is issued by the Tennessee General Services - CPO, with the place of performance located within the state of Tennessee. Bidders must submit their responses by the deadline of July 17, 2026, at 8:00 PM Eastern Time, following the procedures outlined through the Tennessee General Services central procurement office. The contract opportunity was posted on July 2, 2026, and is available for review via the official Tennessee General Services website. No set-aside preferences or organizational type restrictions are specified, making this opportunity open to qualified subcontractors regardless of business size or classification, provided they meet the technical and performance requirements of the scope.

Tennessee General Services - CPO

POSTED

DEADLINE

In-Water Construction and TOY Restrictions ComplianceThis contract pertains to the execution of in-water construction activities, including the installation of foundations and the setup of cofferdams, strictly within defined Time-of-Year windows to minimize disruption and protect sensitive aquatic habitats. All work must adhere to environmental regulations and seasonally restricted operational periods designed to safeguard fish spawning cycles, migratory patterns, and other ecological functions of local waterways. The subcontract is issued under NAICS code 237990 for other heavy and civil engineering construction and is administered by the Massachusetts Department of Transportation, with performance limited to District 4. The solicitation is closed as of the posted date, indicating that proposals have been submitted and evaluated, and the contract is now in an award or execution phase targeting compliance-driven in-water operations under stringent environmental constraints.

Massachusetts Department of Transportation

POSTED

DEADLINE

Site Grading and EarthworkThe contract involves site grading and earthwork activities, including excavation, cut and fill operations, grading, and compaction, aimed at preparing a site for future construction. The work will primarily take place in Sumner and falls under the NAICS code 237990, which typically covers special trade contractors in construction. Issued by the Tennessee Department of Transportation (TDOT), this subcontract was posted on June 26, 2026, with the same date set as the deadline for proposal submissions. While no specific solicitation number or office address details are provided, the contract is clearly focused on specialized earthwork services essential for groundwork preparation. Interested parties can access more information and submit proposals through the official TDOT bidding platform.

POSTED

DEADLINE

Earthwork and Site Preparation for Retaining WallThe contract involves providing earthmoving services specifically for the construction of a gabion retaining wall in Dyer. The scope of work includes excavation, foundation grading and compaction, dewatering, and backfill compaction to ensure a stable and well-prepared site for the retaining wall installation. This subcontract is issued by the Tennessee Department of Transportation and falls under the NAICS code 237990, which covers other heavy and civil engineering construction. The solicitation for this contract was posted on June 26, 2026, with the same day closing for responses, indicating a tight timeline for bids. Although the contract does not specify a type of set-aside or particular organizational preferences, it outlines essential site preparation activities critical to a successful retaining wall project. The location of the work is in Dyer, Tennessee, and further details or proposal submissions can be accessed through the linked Tennessee Department of Transportation bidding portal.

Tennessee Department of Transportation

POSTED

DEADLINE

Earthwork and ExcavationThe contract involves clearing, grubbing, and excavation work necessary for roadway grading and drainage structures as part of a federal-aid highway project. It is categorized under earthwork and excavation, with the NAICS code 237990, indicating specialized construction activities. The project is managed by the Tennessee Department of Transportation and will be performed in Marion. Proposals were due on June 26, 2026, the same date the contract details were posted. This is a subcontract opportunity, though no set-aside type is specified. The scope emphasizes site preparation and earthmoving activities essential for the successful development of roadway infrastructure, specifically addressing grading and drainage improvements. The online portal for submitting proposals and viewing further details is maintained by the Tennessee Department of Transportation.

Tennessee Department of Transportation

POSTED

in 3 days

DEADLINE

in 3 days

AI Contract Overview

The contract involves providing underwater and marine construction services in a freshwater lake setting for the Department of Fisheries and Oceans, Government of Canada. The scope of work includes submerged construction tasks such as pile driving, debris removal, accessory reinstatement, and inspections utilizing dive teams or remotely operated vehicles (ROVs). These activities are critical for maintenance and repair efforts in aquatic environments. The solicitation for this subcontract was posted on May 8, 2026, with a response deadline set for May 22, 2026. The contract falls under the NAICS code 237990, which covers specialized construction activities. The work location is specified as Canada, though more specific geographic details are not provided. This opportunity is listed on the Canada Buys platform, aimed at supporting government procurement related to underwater construction projects requiring skilled personnel and equipment to operate safely and effectively in aquatic conditions.

General Info

Underwater construction services for Department of Fisheries Canada, including pile driving and inspections.

Agency

Government of Canada → Department of Fisheries and OceansView Agency

NAICS

237990 - Other Heavy and Civil Engineering Construction View NAICS

Place of Performance

Canada, CAN

Set-Aside

NONE

Documents

(0)

No documents available

AI Contract Breakdown

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Timeline

PhaseClosed

PostedMay 8

subcontract

Response DeadlineMay 22

Deadline has passed

Submission Closed

05/22/2026, 07:00:00 PM UTC

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Organization & Contact Information

AgencyGovernment of Canada → Department of Fisheries and Oceans

ContactsNo contacts available

OfficeN/A

Organization / Agency

Government of Canada → Department of Fisheries and Oceans

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Perform submerged construction tasks including pile driving, debris removal, accessory reinstatement, and inspection using dive teams or ROVs in a freshwater lake environment.