This Subcontract opportunity from Florida was posted on September 25, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Mechanical Muck Management / Lake Bottom Disturbance

Closed

State & Local

Submission Closed11/02/2026, 05:00:00 PM EST

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

SLED

CLASS 2 LANDFILL PARTIAL CLOSURE

Solicitation # 27027

The County of Greenville is soliciting proposals for the partial closure construction of the Class 2 Unit 2 Landfill at the Twin Chimneys Landfill in South Carolina. The scope of work involves significant earthwork, including approximately 301,000 cubic yards of excavation and 120,000 cubic yards of structural fill for a perimeter berm. Key deliverables include the construction of a stormwater pond, subgrade preparation, stone access roads, and the implementation of erosion control measures such as silt fencing, seeding, and gabion baskets. The project requires the contractor to provide a South Carolina-licensed land surveyor for as-built surveys and a licensed firm for soil testing. The County desires substantial completion within 210 calendar days, with a tentative Notice to Proceed date of December 18, 2026. Proposals are due by November 16, 2026, and will be evaluated on a point system covering responsiveness, experience, project approach, pricing, equipment, and references. Award decisions will heavily weigh integrity, reputation, and past performance. The contract requires a bid bond as well as performance and payment bonds equal to the contract price, remaining in effect for one year after final payment. Quality control is a dual-layered process where the contractor manages Construction Quality Control (CQC) through an independent laboratory, while the Owner performs Construction Quality Assurance (CQA) through a separate licensed firm. Payment is based on a mix of lump sum and unit price items, with undisputed invoices due upon receipt and subject to a non-appropriation clause.

POSTED

DEADLINE

Demolition of Connex Box Structures and Removal of Debris

Solicitation # ACFD 26-03

The Alameda County Fire Department is soliciting sealed bids for project ACFD 26-03, which involves the demolition of Connex box structures and the removal of debris at 890 Lola Street in San Leandro, California. This stipulated sum, single-prime contract requires the successful bidder to complete all work, including site clearance and the sorting of recyclable materials, within 120 calendar days of the Notice to Proceed. A mandatory combined pre-bid conference and site visit was scheduled for November 12, 2026, and sealed bids must be submitted by 2:00 pm on December 10, 2026, at 6363 Clark Ave., Dublin, California. The contract will be awarded to the lowest responsive and responsible bidder based on the base bid amount. Bidders must provide a bid security of 10 percent of the total bid price and, upon award, furnish 100 percent performance and payment bonds. The scope of work includes strict adherence to soil dust mitigation standards, hazardous materials procedures, and California Public Works Contract requirements regarding prevailing wages. Due to the nature of the site, the contractor must submit a comprehensive site security and logistics plan addressing tool control, crew size, and working around inmates. Compliance with the Americans with Disabilities Act and Title VII of the Civil Rights Act is required, and all work is subject to inspection and acceptance by the ACFD and its Construction Manager.

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DEADLINE

Foundation Excavation and Backfill

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Department of Economic Development

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Athletic Infield Reconstruction

Henry County Board of Commissioners

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Drainage and Irrigation Systems

Henry County Board of Commissioners

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Site Preparation and Earthwork

Henry County Board of Commissioners

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Pavilion Demolition and Site ClearanceThis subcontract agreement involves the demolition of the existing sports pavilion at Titchfield Park for projects managed by Ashfield District Council. The scope of work requires the contractor to demolish the current structure, remove all resulting debris, and perform a comprehensive site clearance to ensure the area is fully prepared for subsequent construction activities. The primary objective of the project is to deliver a cleared site that is ready for the installation of a new modular pavilion. Interested parties must submit their responses by the deadline of December 11, 2026, as specified in the solicitation posted on November 13, 2026.

Ashfield District Council

POSTED

DEADLINE

Ceiling & General DemolitionThis subcontract, managed by DAS Procurement for the state of Connecticut, involves demolition and ceiling replacement services for Lebanon Public Schools projects. The selected contractor will be responsible for removing existing fixtures, ceilings, and debris, followed by the installation of new ceiling grids and tiles across eight bathrooms. The final deliverable is a cleared site with fully installed new ceilings. Qualified candidates must possess general contracting or demolition experience and demonstrate the ability to operate effectively within a school environment. The solicitation was posted on November 13, 2026, with a response deadline of December 8, 2026. This project falls under NAICS code 238910.

POSTED

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Site Preparation & EarthworkThis subcontract for Site Preparation and Earthwork involves providing essential site clearing, grading, and demolition services for prime contractors supporting W2SD Endist Europe projects in Maun, Botswana. The scope of work includes clearing and grubbing the site, executing cut and fill operations, and performing the demolition of existing features according to the established demolition plan to deliver a fully graded and prepared building pad. The project falls under NAICS code 238910 and is associated with the Department of Defense. Interested parties should note the posted date of November 13, 2026, with a response deadline set for November 23, 2026.

W2SD Endist Europe

POSTED

about 9 hours ago

DEADLINE

in 10 days

AI Contract Overview

This subcontract involves providing mechanical muck management and lake bottom disturbance services for prime contractors working on Florida Fish and Wildlife Conservation Commission projects. The primary objective is to use specialized heavy equipment with rototilling or similar mixing attachments to turn over organic sediment in moist soil environments. This process exposes fresh muck for oxidation while ensuring that mineral sediment disturbance is kept to a minimum. The successful contractor will be responsible for delivering treated acreage of lake bottom muck that has been completely denuded of vegetation. This opportunity is categorized under NAICS code 238910, with a response deadline set for November 2, 2026.

General Info

Subcontract for mechanical muck management and lake bottom disturbance services for FFWC projects.

Agency

Florida Fish and Wildlife Conservation Commission

NAICS

238910 - Site Preparation Contractors

Place of Performance

FL, USA

Set-Aside

NONE

Documents

This scope was carved out of FWC 26/27-11.

The full solicitation package (3 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Lake Miccosukee Mechanical Muck Management

AI Contract Breakdown

Uniform Contract Format

No documents to break down

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Timeline

PhaseClosed

PostedSep 25

subcontract

Response DeadlineNov 2

Deadline has passed

Submission Closed

11/02/2026, 05:00:00 PM EST

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Organization & Contact Information

AgencyFlorida Fish and Wildlife Conservation Commission

ContactsNo contacts available

OfficeN/A

Organization / AgencyFlorida Fish and Wildlife Conservation Commission

Office AddressN/A

ContactsNo contact information available

Full Description

Performs mechanical disturbance of lake bottom muck for prime contractors on Florida Fish and Wildlife Conservation Commission (FWC) projects. Uses heavy equipment to turn over organic sediment to expose fresh muck for oxidation while minimizing mineral sediment disturbance. Requires equipment capable of operating in moist soil environments with rototilling or similar mixing attachments. Delivers treated acreage of lake bottom muck denuded of vegetation.