This Government Contract opportunity from Connecticut was posted on July 1, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Hydraulic Dredging of Settling Lagoons

Closed

State & Local

Submission Closed07/29/2026, 06:00:00 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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Stone Revetment RepairThis subcontract opportunity with Healy Tibbitts Builders, Inc. involves the supply and installation of stone for harbor revetment repairs on USACE projects. The scope of work includes placing armor stone and riprap to protect shorelines and structures, utilizing geotextiles in accordance with Section 31 05 19.13 and complying with Section 35 31 19.40 to deliver stabilized stone revetments. The project is categorized under NAICS code 237990 and is set aside for various small business designations, including SDB, WOSB, HUBZone, VOSB, and SDVOSB. Interested parties must respond by September 30, 2026.

Healy Tibbitts Builders, Inc.

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DEADLINE

Bowman, ND Water Storage Reservoir

Solicitation # bowman-nd-water-storage-reservoir

The Bowman, ND Water Storage Reservoir project involves the demolition and removal of an existing 300,000 gallon concrete water storage tank and the subsequent construction of a new 600,000 gallon concrete tank. The scope of work includes associated piping, incidentals, the construction of an access road and parking pad, as well as topsoil management, excavation, seeding, erosion control, and fencing. Bidders may provide alternate bids for either a cast-in-place tank or a precast tank. Bids must be submitted to Rice Lake West via email to estimating@rlwest.org by September 9, 2026, at 5:00 p.m. This solicitation includes specific minority and women-owned business enterprise goals, requiring 2 percent MBE and 3 percent WBE participation. The project is located in North Dakota and falls under NAICS code 237990.

POSTED

DEADLINE

North of River Sanitary District No. 1 WRRF Upgrades and Expansion

Solicitation # north-river-sanitary-district-no-1-wrrf-upgrades-expansion

Kiewit Infrastructure West Co. is soliciting sub-quotes for the North of River Sanitary District No. 1 WRRF Upgrades and Expansion project located in Bakersfield, California. The scope of work is extensive, covering civil and site work such as aggregates, trucking, asphalt paving, and pipe installation, as well as structural and finishing tasks including masonry, welding, roofing, electrical work, and interior finishes. Interested firms must contact Kiewit to receive an Invitation to Bid through the Building Connected system, with a response deadline of September 17, 2026, at 10:00 a.m. The project is partially financed by the Water Infrastructure Finance and Innovation Act (WIFIA) and administered by the EPA, making it subject to the American Iron and Steel (AIS) Provisions, Davis-Bacon Related Acts, and DBE Program requirements. Qualified bidders must possess a valid California Contractor’s license and provide acceptable insurance. Additionally, responsible subcontractors may be required to provide bonding for 100% of their contract value, with bond premiums reimbursed by Kiewit. The solicitation specifically encourages participation from certified DBE, MBE, WBE, and other small business enterprises, requiring evidence of certification from recognized agencies such as the US EPA, SBA, or CA DOT.

Kiewit Infrastructure West Co.

POSTED

DEADLINE

Runway 19L, 28L & 28R Timber Trestle Improvements CA

Solicitation # runway-19l-28l-28r-timber-trestle-improvements-ca

The Runway 19L, 28L, and 28R Timber Trestles Improvement Project focuses on implementing critical safety enhancements to the trestles supporting FAA approach lighting systems in California. The primary objectives are to improve safe access for maintenance personnel and extend the operational service life of the trestles by over ten years. This solicitation is issued by Thompson Builders Corporation and is specifically set aside for Small Businesses, with a particular interest in Local Business Enterprise firms. Interested parties must submit their responses by September 9, 2026. The project falls under NAICS code 237990, and inquiries should be directed to Kelsey Heaphy.

Thompson Builders Corporation

POSTED

DEADLINE

Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair

Solicitation # W9128A26BA002

The Haleiwa Small Boat Harbor Maintenance Dredging and Revetted Mole Repair project, solicitation W9128A26BA002, is a firm-fixed-price contract issued by the U.S. Army Corps of Engineers Honolulu District. Located in Haleiwa, Oahu, Hawaii, the scope of work involves maintenance dredging of approximately 4,260 cubic yards with ocean disposal south of Oahu, vegetation clearance, and repairs to the revetted mole, including stone rework and filling voids. The estimated contract value ranges from 1 million to 5 million dollars, with a performance period of 200 calendar days from the receipt of the Notice to Proceed. This solicitation is set aside for small businesses, including SDB, WOSB, HUBZone, VOSB, and SDVOSB concerns, with a specific price evaluation preference for HUBZone small businesses. Bids must be submitted as sealed physical envelopes by September 30, 2026, as electronic submissions are not permitted. Key requirements for a responsive bid include active SAM registration, a bid guarantee, and the submission of SF 1442. The contractor must provide key personnel, including a Project Manager and Site Safety and Health Officer, and adhere to Davis-Bacon Act wage requirements. Acceptance of the dredging work is based on pre- and post-dredge multi-beam hydrographic surveys conducted by a third-party qualified surveyor. Liquidated damages for delays are set at 2,297 dollars per calendar day.

Healy Tibbitts Builders, Inc.

POSTED

DEADLINE

Modification to Task Order # N6523625F0010 Bundle 12 LIETM00492This construction task order modification, identified as N6523625F0010 Bundle 12 LIETM00492, is issued by the Naval Information Warfare Systems under Niwc Atlantic. The modification is necessitated by unforeseen site conditions and design errors encountered during the project. The work is categorized under NAICS code 237990 and is scheduled for performance in North Charleston. The procurement is currently listed as a forecast with a posted date of September 6, 2026. Administrative oversight is managed by Contracting Officer Tyler J. Roberts, with Adam Christopher serving as the secondary point of contact.

POSTED

DEADLINE

Hydraulic and Mechanical DredgingThis subcontract for hydraulic and mechanical dredging involves the removal of accumulated sediment for river remediation projects in the City of Palm Beach Gardens. The primary objective is to restore the river channel to its intended alignment and hydraulic capacity while ensuring the protection of existing irrigation intake lines and utilities to prevent over-excavation. Eligible providers must possess a valid license or certificate of competency for dredging and remediation and utilize appropriate hydraulic or mechanical equipment. This opportunity is managed by the Florida Public Works agency under NAICS code 237990, with a response deadline of September 25, 2026.

POSTED

DEADLINE

Thompson River Dredging and Remediation

Solicitation # ITB2026-187PW

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POSTED

DEADLINE

Heavy Civil Site Prep & Specialized ExcavationThis subcontract for Heavy Civil Site Prep and Specialized Excavation supports the Pier B On-Dock Rail Support Facility project for FHWA and MARAD. The selected contractor will perform complex underground construction and site stabilization for Kiewit Infrastructure West Co., utilizing specialized techniques such as shoring, underpinning, tunneling, boring, jacking, micro-tunneling, and directional drilling. The primary objective is the delivery of stabilized foundations and completed underground utility paths using tunnel boring machines and jacking equipment. The opportunity is designated as a subcontract under NAICS code 237990 and is set aside for various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned small businesses. Interested parties must respond by September 15, 2026.

Kiewit Infrastructure West Co.

POSTED

DEADLINE

Trenching and BackfillingThis subcontract for the County of Orange OC Waste and Recycling involves specialized excavation and backfilling services for utility lines in San Juan Capistrano. The scope of work includes trenching for HDPE header piping, installing compacted utility bedding, and backfilling dual containment areas. A critical component of the project is the requirement to conduct air monitoring following the backfill process to ensure there are no surface emissions, delivering trenches with verified air-tight seals. The opportunity is categorized under NAICS code 237990 and was posted on September 5, 2026. Interested parties must submit their responses by the deadline of October 8, 2026. This contract is designed for a subcontractor to support prime contractors in executing these technical utility requirements for the agency.

County of Orange, OC Waste & Recycling

POSTED

DEADLINE

Landfill Gas (LFG) System InstallationThis subcontract involves the installation and modification of landfill gas collection systems for the County of Orange OC Waste and Recycling in San Juan Capistrano. The scope of work includes removing and salvaging existing piping, installing new HDPE pipe for the Zone 4 Phase A expansion, and setting up condensate sumps, pneumatic pumps, and isolation equipment. The contractor is responsible for performing tie-ins to existing infrastructure to deliver a fully operational LFG and condensate collection system. The project is categorized under NAICS code 237990 and was posted on September 5, 2026, with a response deadline of October 8, 2026. This opportunity is designed for subcontractors working under prime contractors to support the regional waste management infrastructure in California.

County of Orange, OC Waste & Recycling

POSTED

DEADLINE

Keawakapu (Mana Kai) Parking Lot

Solicitation # P22/004

The County of Maui in Hawaii is soliciting bids for the Keawakapu (Mana Kai) Parking Lot project under solicitation number P22/004. Interested parties must submit their proposals by the deadline of October 2, 2026. The primary point of contact for this solicitation is Kris Arisumi. To be considered, bidders must download, complete, and sign the official proposal document and upload it with their submission. Additionally, a bid bond is required as part of the submission package. All documentation and bids should be processed through the specified public purchase portal.

County of Maui

POSTED

2 days ago

DEADLINE

in 25 days

AI Contract Overview

The contract calls for hydraulic dredging services to remove sludge from settling lagoons, encompassing full execution from mobilization through sludge extraction and pipeline transportation to a designated dewatering site. All phases of the operation must be completed in accordance with technical and operational standards to ensure safe, efficient, and environmentally compliant removal and transfer of the material. The work requires specialized equipment and expertise in dredging systems, pipeline management, and site logistics to handle the volume and consistency of the sludge without disruption or contamination. This is a subcontract opportunity issued by DAS Procurement under the agency’s Connecticut office, with a NAICS code of 237990 and a posted date of July 1, 2026. Responses are due by June 29, 2026, and the exact location of performance is not specified, indicating flexibility in site assignment or pending further clarification. Interested parties must submit proposals through the CTSource Bid Board portal, and the contract does not designate any set-aside status or special eligibility criteria, opening the opportunity to qualified subcontractors regardless of size or certification status.