This Government Contract opportunity from Colorado was posted on June 17, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Mine Closure Installation

Closed

State & Local

Submission Closed06/23/2026, 10:00:00 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: 238910

New

SEA S Concourse Evolution (SCE) – Bid Package 02

Solicitation # sea-s-concourse-evolution-sce-bid-package-02

Hensel Phelps, acting as the General Contractor and Construction Manager, is soliciting bids for Bid Package 2 of the S Concourse Evolution project at Seattle-Tacoma International Airport. This solicitation is set aside for Small Disadvantaged Businesses under NAICS code 238910. The scope of work is extensive and divided into eleven subsystems, including demolition and abatement, building concrete retrofit, structural steel, fire suppression, site paving, runway and taxi marking, site demolition and earthwork, deep foundations, site utilities, aviation fueling systems, and baggage handling systems. The total estimated contract value ranges from approximately 124.6 million to 143.7 million dollars. Bids must be submitted via email by September 15, 2026, using the official bid form provided in the Instructions to Bidders. The project is governed by a Project Labor Agreement and requires all subcontracts to be executed on standard Hensel Phelps forms. Key requirements for bidders include the submission of a bidders bond and the provision of 100 percent payment and performance bonds for any subcontract exceeding 100,000 dollars. Additionally, all subcontractors must provide a Workers Compensation Waiver of Subrogation. Interested parties can access bid documents through Building Connected.

POSTED

DEADLINE

Construction of Darvesh South Clearing and Grubbing and Mass Grading

Solicitation # 6aa36b81e56cd81dfe14cd54

This solicitation is for the construction of clearing, grubbing, and mass grading for the Darvesh South project. The contract is issued by Darvesh Investments, LLC for the benefit of Harris County Municipal Utility District No. 441, with the work to be performed in Bellaire, Texas. Interested parties must submit their responses by the deadline of September 30, 2026, at 4:00 PM. The primary point of contact for this project is Chad Cagle, who can be reached via email at ccagle@quiddity.com or by phone at 713-777-5337.

Darvesh Investments, LLC for the benefit of Harris County Municipal Utility District No. 441

POSTED

DEADLINE

27-058 Erosion & Sedimentation Control

Solicitation # PE-72155-NONST-2027-000000213

The City of Augusta in Georgia is seeking bids for its annual erosion and sedimentation control contract, identified by solicitation number PE-72155-NONST-2027-000000213. This opportunity is open for responses until September 29, 2026, at 4:00 PM. Interested parties should direct inquiries to the primary point of contact, Nancy Williams, via email. The project will be performed within the state of Georgia, and further details can be accessed through the official Georgia procurement portal.

POSTED

DEADLINE

City Hall Courtyard Improvements

Solicitation # CH-5177

The City Hall Courtyard Improvements project, solicitation number CH-5177, involves extensive demolition and reconstruction work in the courtyard area north of the City Hall public entrance. The scope of work includes the removal of wood-framed and concrete retaining walls, electrical systems, fountains, and vegetation, as well as the installation of underground conduits, bollard lighting, and new sidewalk construction. Additional tasks include grading, export, irrigation modifications, and applying a stucco finish to existing walls. This opportunity is issued by the Administrative Services Department of the City of Camarillo and requires bidders to submit specific City bid proposal forms. A bid bond of 10.00 percent is required for submission. The response deadline for this project is October 5, 2026, at 7:00 PM.

Administrative Services Department of City of Camarillo / Camarillo Sanitary District

POSTED

DEADLINE

Earthwork & Trenching

POSTED

DEADLINE

Earthwork and Trenching

TWIN RIVERS UNIFIED SCHOOL DISTRICT

POSTED

DEADLINE

Site Demolition and Clearing

TWIN RIVERS UNIFIED SCHOOL DISTRICT

POSTED

DEADLINE

Deep Excavation and Shoring

POSTED

DEADLINE

Clearing and Grubbing Services

POSTED

DEADLINE

Site Preparation & Earthwork

POSTED

DEADLINE

Filter Media Removal & Disposal

Sacramento County Water Agency

POSTED

DEADLINE

Sitework and Site Improvements

Fresno Unified School District

POSTED

1 day ago

DEADLINE

in 26 days

AI Contract Overview

The contract titled Mine Closure Installation pertains to the physical closure of mine openings such as shafts, adits, and subsidence features through methods including grouting, capping, or backfilling. The work is being procured as a subcontract under NAICS code 238910, which corresponds to other special trade contractors primarily engaged in site preparation and related activities. The solicitation was posted on June 17, 2026, with a response deadline of June 23, 2026, indicating a narrow six-day window for submissions. The issuing agency is the Colorado Department of Natural Resources, Division of Reclamation, Mining and Safety, underscoring the regulatory and environmental focus of the project. While specific location details are not provided, the scope of work is inherently tied to mine sites within Colorado, requiring compliance with state-specific reclamation standards and safety protocols. The contract does not include set-aside provisions, suggesting it is open to all qualified subcontractors without preference for small businesses or other designated categories. All responses must be submitted through the state’s online procurement portal.