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CONCAVAGE MARINE CONSTRUCTION, INC.

UEI: N8LLPJFJLFN4

CONCAVAGE MARINE CONSTRUCTION, INC. is a federal contractor, registered under UEI N8LLPJFJLFN4. It has been awarded $60,945 across 3 federal contracts. Primary work spans Site Preparation Contractors, Wood Preservation, and General Warehousing and Storage. Top awarding agencies include Department Of The Interior.

Contact Information

Registration and classification details

Registration

UEI Code

N8LLPJFJLFN4

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

Key Performance Metrics

Awards Count

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Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

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Grants

Prime · all time

Subgrants

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Award Analytics & Distribution

Awards by Agency

Department Of The Interior$60.9K100%

Awards by NAICS

238910 - Site Preparation Contractors$36.9K60.5%

321114 - Wood Preservation$14.1K23.1%

493110 - General Warehousing and Storage$10.0K16.4%

Awards by Agency Over Time

Awards by Place of Performance

Open opportunities in CONCAVAGE MARINE CONSTRUCTION, INC.'s top NAICS codes and agencies

CORROSION PREVENTIVE C

Solicitation # SPE8ES-26-T-2509

This contract solicits a corrosion preventive compound identified by NSN 8030-01-722-1433 and part number ETCPRTU-2B3C from Chemeon Surface Technology, LLC, with a quantity of 5 containers delivered FOB destination under solicitation SPE8ES-26-T-2509. The item is classified as a Type 2 (Code 6) shelf life item with a 24-month extendable shelf life, subject to specific packaging and marking requirements outlined in MIL-STD-2073-1E and MIL-STD-129, including the Special Marking Code 33 for Type II shelf life. Packaging must comply with DLA procurement standards and the Hazardous Materials Packaging, Marking, and Shipping requirements, with all hazardous material documentation—including Safety Data Sheets and labeled containers—aligned with OSHA’s revised Hazard Communication Standard (29 C.F.R. 1910.1200) effective June 1, 2015. Suppliers must submit SDS and compliant labels for approval prior to award and ensure employee training on the new standards. The item must be delivered within 173 days of contract award, with a required delivery date of October 15, 2026, and a need ship date of February 1, 2027. Delivery is to the DLA Distribution facility at New Cumberland, Pennsylvania, with a strict zero variance in quantity and inspection and acceptance occurring at the destination. Technical and quality requirements referenced by R or I numbers are governed by the DLA Master List, and the applicable revision depends on the solicitation or award date. All units of issue follow DoD authorized standards as aligned with ANSI X12.

DDSP NEW CUMBERLAND FACILITY

POSTED

about 7 hours ago

DEADLINE

CORROSION PREVENTIV

Solicitation # SPE8ES-26-T-2511

This contract specifies the procurement of a Type IV Advanced Corrosion Preventive Compound, meeting MIL-PRF-81309H specifications, provided in 1.00 gallon containers with four per box, totaling two boxes. The material is classified as hazardous and requires full compliance with the revised OSHA Hazard Communication Standard, including submission of Safety Data Sheets and approved labels conforming to 29 C.F.R. 1910.1200 prior to award. Supplier employees must be trained on new SDS and labeling requirements. The product is listed on the Qualified Products List and must be manufactured by a QPL-approved vendor at award. Packaging must adhere to MIL-STD-2073-1E and MIL-STD-129R, with marking, palletization, and shipping following DLA’s packaging requirements and IP025 for hazardous materials. No shelf life restriction applies, and the item is to be delivered FOB destination within 173 days to the specified warehouse in Tracy, California. The contract allows zero variance in quantity, with inspection and acceptance occurring at the delivery point. The solicitation number is SPE8ES-26-T-2511, issued by DLA District San Joaquin under NAICS code 321114, with a response deadline of August 11, 2026, and a required ship date of February 1, 2027.

DLA DIST SAN JOAQUIN

POSTED

about 7 hours ago

DEADLINE

Monterey One - Renewable Energy Improvements (CP361), Marina, CA

Solicitation # monterey-one-renewable-energy-improvements-cp361-marina-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers for the Monterey One Water Regional Treatment Plant CP361 Renewable Energy Improvements Project located in Marina, California. The scope of work includes extensive upgrades to the digester facilities, such as replacing digester gas piping and safety equipment, installing new level measurement devices, and recoating interior headspaces along with concrete repairs to all four digesters and the associated building. The project also involves installing five owner-furnished linear generators with related electrical work, integrating a biogas conditioning system and RNG upgrading system with a pipeline to the PG&E injection station, and replacing the existing steam boiler with a hydronic heating water system. Additional tasks include removing old waste gas flares and replacing them with new enclosed flares, demolishing the Cogen facility and its appurtenances, and replacing two access roof hatches on each digester with concrete repair provisions. The project encompasses civil, structural, mechanical, electrical, and demolition components requiring specialized trade expertise. Bidders must operate under relevant NAICS codes including 237310, 238110, 238120, 238190, 238320, 238220, and 238210, with a preference for certified Disadvantaged Business Enterprises (DBE), Minority Business Enterprises (MBE) through NMSDC, and Women Business Enterprises (WBE) through WBENC. The solicitation opened on August 5, 2026, with bids due by August 20, 2026. Interested parties must email estimating@gseconstruction.com to request secure access to the full project documentation before submitting a response. All bids must be submitted through the designated portal, and inquiries should be directed to Michael Demissie at the provided contact information. The project is being managed under a non-federal set-aside structure emphasizing diversity in contracting.

GSE Construction Co., Inc.

POSTED

about 8 hours ago

DEADLINE

SEA S Concourse Evolution (SCE) – Bid Package 02

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

The contract covers Bid Package 2 of the S Concourse Evolution (SCE) project at Seattle-Tacoma International Airport, managed by Hensel Phelps as the General Contractor and Construction Manager. It encompasses a broad range of construction activities including demolition and abatement, building concrete retrofit, structural steel and metal stairs and railings, fire suppression systems, site paving, runway and taxi marking, site demolition and earthwork, deep foundations, site utilities, aviation fueling systems, and baggage handling systems. The estimated contract value ranges from $124.2 million to $143.7 million, with individual subsystem budgets varying from $600,000 for runway marking to over $20 million for baggage handling systems. All subcontracting must use Hensel Phelps standard subcontract forms, and performance bonds are required for subcontracts exceeding $100,000, submitted using the bond forms provided in the bid package. A Workers’ Compensation Waiver of Subrogation is mandatory for all subcontractors. This is a Project Labor Agreement (PLA) project, requiring adherence to specific labor standards, and all bidders must be prepared to comply with Hensel Phelps’ equal opportunity employer policies. Bids must be submitted via email to SEA-SCEBids@henselphelps.com by 8:00 PM PDT on August 11, 2026, using the official bid form contained in the Instructions to Bidders document. The solicitation is designated as an 8A small disadvantaged business set-aside, with the NAICS code 238910 indicating construction specialty trade contracting. The project site is located in Washington, and all deliverables must be performed at the airport. No contract administration details such as payment offices, invoicing methods, or contracting officer representatives are specified, nor are inspection and acceptance criteria or packaging requirements outlined, leaving key execution parameters to be defined in the bid documents and subsequent agreements.

POSTED

about 8 hours ago

DEADLINE

NCMT BERTH 24-11 STRUCTURAL REPAIR

Solicitation # 2022-23

The contract involves the comprehensive rehabilitation of the existing concrete marginal wharf at National City Marine Terminal Berth 24-11 in California, along with the reinstallation of the shore power system, as detailed in Specification No. 2022-23 and Drawing No. NC-2022-02. The scope encompasses a wide array of specialized services including AC pavement demolition and disposal, asbestos remediation, concrete coring and saw cutting, concrete demolition, contaminated soil testing and removal, diving services, electrical and water utilities work, environmental monitoring, LIDAR surveying, materials testing, miscellaneous metal fabrication, reinforcing steel installation, storm drain utilities, treated timber disposal, and underwater pile jackets. All work must be executed in accordance with the referenced plans and specifications, and the project is being managed by Manson Construction Co. as the prime contractor, who is actively soliciting sub-bids and supplier quotes from qualified Small Business Enterprises (SBE) to participate across all disciplinary scopes. The agency emphasizes equal opportunity and is committed to fostering participation from disadvantaged business enterprises under Department of Transportation, State of California, NMSDC, and WBENC certifications. The bid submission deadline is August 6, 2026, and all proposals must be submitted to Emre Erzen at lbestimating@mansonconstruction.com. Manson Construction is offering support services including assistance with project scoping, bonding, insurance, lines of credit, and equipment acquisition to facilitate SBE participation, reinforcing its role as an Equal Opportunity Employer seeking to engage capable small business partners in delivering this critical maritime infrastructure repair.

Manson Construction Co.

POSTED

about 8 hours ago

DEADLINE

Pismo - DB Services for the Central Coast Blue AWPF, Pismo Beach, CA

Solicitation # pismo-db-services-central-coast-blue-awpf-pismo-beach-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers to participate in the design-build construction of the Central Coast Blue Advanced Water Purification Facility in Pismo Beach, California, a project aimed at producing approximately 500 acre-feet per year of purified water through a 0.50 MGD treatment system. The scope encompasses the construction of a 200,000-gallon equalization tank, membrane filtration and two-stage reverse osmosis units, UV/advanced oxidation processes, chemical feed and storage systems, post-treatment stabilization, chlorination, purified water storage and pumping infrastructure, approximately 2,000 linear feet of HDPE conveyance pipelines, and groundwater recharge elements including one injection well and two monitoring wells. The project also requires full electrical, instrumentation, SCADA, and control systems integration. Bids must align with applicable NAICS codes including 237110, 238120, 237310, 238990, 561730, 238110, 238320, 332312, 238220, and 221310, and are restricted to small business, small disadvantaged, women-owned, disadvantaged business enterprise, and minority business enterprise contractors under SBA and non-federal certifications. Interested parties must request project documents via email to estimating@gseconstruction.com to receive a secure link with complete specifications, with all submissions due by August 11, 2026. Primary points of contact are Michael Demissie and Juan Catano.

GSE Construction Co., Inc.

POSTED

about 8 hours ago

DEADLINE

Bare Cove Park, Building 12 Demolition Project

Solicitation # BCPDEMP-#1226

The demolition of Building 12 at Bare Cove Park in Hingham, Massachusetts, is being conducted to clear the site for the upcoming Pickleball Court project, with bids solicited under solicitation number BCPDEMP-#1226 and a response deadline of August 26, 2026. All bidders must be certified in demolition by the Massachusetts Department of Capital Asset Management and Maintenance, and the contract is subject to state labor laws including M.G.L. c. 149 §§44A-J and §§26–27H, which govern public works bidding, prevailing wage rates, and contractor compliance. The Town of Hingham, acting through its Town Administrator and Select Board as the Awarding Authority, retains the right to reject any or all bids, waive minor procedural irregularities, and award the contract based on the best interest of the municipality. Compliance with Massachusetts prevailing wage laws is mandatory, requiring contractors and subcontractors to submit detailed Weekly Certified Payroll Reports and Weekly Statements of Compliance, documenting hours worked by classification, accurate wage payments, and adherence to the official wage schedule. The project enforces workforce participation goals of 15.3% for minority workers and 6.9% for women, with all submissions including company and project details, apprenticeship information, and signed attestations of compliance. Owner-operators seeking exemption from prevailing wage obligations must complete a certification form affirming their status as sole owners, but must still pay prevailing wages if any employees are hired. All payroll records must be retained for at least three years, and reports must be submitted weekly to the Town’s Procurement and Contracts Manager, David Sequeira, at the provided contact information. The project is governed entirely under Massachusetts state law and enforced by the Town of Hingham’s Recreation department, with performance taking place at Bare Cove Park, Hingham, MA 02043.

POSTED

about 9 hours ago

DEADLINE

161143 Bridge Timbers

Solicitation # QQ-125705

The Virginia Department of Transportation is soliciting the furnishing and delivery of Bridge Timbers made from Southern Pine Number 1 dense, treated with CCA, to be delivered to the Jennings Ordinary Bridge Crew located at 4668 W. Patrick Henry Highway in Crewe, Virginia, under the Richmond District’s Petersburg Residency. The solicitation, identified as QQ-125705 and titled 161143 Bridge Timbers, was posted on August 5, 2026, with a deadline for responses set for August 10, 2026, at 3:00 PM. This is a State and Local Government (SLED) procurement with no specified set-aside or NAICS code, and the materials must meet the specified timber grade and treatment requirements to ensure structural integrity for bridge applications. All deliveries must be coordinated to meet the designated location and schedule as outlined in the contract terms. Cheryl Lewis of the Virginia Department of Transportation is the point of contact for this solicitation, reachable via phone at 804-786-5959 or email at cheryl.lewis@vdot.virginia.gov. The place of performance is clearly defined within the Richmond District of Virginia, and contractors must ensure timely and accurate delivery to the specified site without ambiguity. Bidders are expected to comply with all technical specifications for the timber and submit proposals through the official vendor portal linked in the solicitation before the stipulated deadline. Failure to meet the delivery requirements or material specifications may result in rejection of the bid or contract non-compliance.

Virginia Department of Transportation

POSTED

about 10 hours ago

DEADLINE

Storm Drainage and Culvert Installation

POSTED

about 12 hours ago

DEADLINE

Sediment Removal, Black Rock Lake, Thomaston, CT

Solicitation # W912WJ26QA140

The U.S. Army Corps of Engineers – New England District is soliciting bids for sediment removal and culvert clearing at Black Rock Lake in Thomaston, Connecticut, with approximately 1,600 cubic yards of material to be excavated and transported to an upland storage site on government property. The contract is valued between $25,000 and $100,000 and is exclusively reserved for small business vendors under a total small business set-aside, with the NAICS code 238910 and a size standard of $19 million in annual revenue. All interested parties must maintain an active registration in SAM.gov at the time of submission; failure to do so will result in rejection as nonresponsive. The solicitation, identified as W912WJ26QA140, was posted on July 23, 2026, with responses due by August 6, 2026, at 9:00 p.m. Eastern Time. Work will be performed at the lake site in Connecticut, while the contracting office is located in Concord, Massachusetts. For inquiries, contact Alicia LaCrosse at the provided phone number or email address.

W2SD Endist New England

POSTED

about 12 hours ago

DEADLINE

Warehouse (Project No. PRJ2025-002452-(2))The project authorizes the continued operation of an existing 100,528-square-foot warehouse through a Conditional Use Permit, ensuring compliance with local land use regulations while maintaining its current function. Additionally, a variance has been granted to extend the permitted hours of outdoor operation from 6:00 p.m. to 8:00 p.m., allowing activities to proceed daily between 8:00 a.m. and 8:00 p.m. to better accommodate operational needs without altering the fundamental nature of the facility. The project is managed by the Los Angeles County Regional Planning, with the place of performance located in the 90061 zip code area of California. Key personnel overseeing the project include Evan R. Sahagun as Regional Planner, Kevin Kohan as Principal Planner, and Tuckley Williams as Director of Development, each providing administrative and regulatory guidance. The project was posted on August 5, 2026, and is listed under Project No. PRJ2025-002452-(2), with all official documentation accessible through the California Environmental Quality Act system.

Los Angeles County Regional Planning

POSTED

about 17 hours ago

DEADLINE

Warehouse (Project No. PRJ2025-002451-(2))The project authorizes the continued operation and maintenance of an existing warehouse spanning 107,732 square feet under Conditional Use Permit RPPL2025003552, with an additional variance approved to extend the allowed hours for outdoor operations from 8:00 a.m. to 8:00 p.m., replacing the previous restriction of 8:00 a.m. to 6:00 p.m. daily. This adjustment enables extended logistical and operational activities outdoors without requiring additional land use approvals, aligning operational needs with current business demands while remaining within regulated zoning parameters. The project is designated as PRJ2025-002451-(2) and is overseen by the Los Angeles County Regional Planning department, with the facility located in the 90061 zip code within California. Key contacts include Evan R. Sahagun, Regional Planner, who serves as the primary point of contact, alongside Tuckley Williams and Kevin Kohan, who represent the applicant and planning team respectively, facilitating coordination between regulatory and operational stakeholders.

Los Angeles County Regional Planning

POSTED

about 17 hours ago

DEADLINE

RFQ-171-260000000402-2 | 761/24176.SAR; Cheboygan MGP - Direct Contact Excavation

Solicitation # RFQ-171-260000000402-2

The contract solicitation RFQ-171-260000000402-2 for the Cheboygan MGP Direct Contact Excavation project is a state-led environmental remediation effort administered by the Michigan State Facilities Administration, Design & Construction Division under the Department of Technology, Management and Budget. The work involves excavation, removal, and disposal of approximately 393 tons of contaminated soil at a former manufactured gas plant site in Cheboygan, Michigan, with replacement using 407 tons of clean fill and 87 tons of six-inch clean gravel top layer. Performance is governed by Michigan-specific environmental standards, including the EGLE Non-Residential Direct Contact Criteria and the MDOT 2012 Standard Specifications, with strict adherence to asbestos abatement requirements under Public Act 59 of 2024 and prevailing wage compliance under Davis-Bacon and state regulations. The project includes mobilization, utility clearance, erosion control, and demobilization, all requiring on-site inspections and final acceptance by the Owner’s Professional, contingent upon full compliance with technical specifications, regulatory certifications, and successful test results for material quality and contamination levels. The solicitation operates under a best value procurement model, where bids under $250,000 will be awarded to the lowest responsive and responsible bidder, while higher-value bids are subject to a trade-off analysis between price and qualitative factors such as technical approach, personnel qualifications, schedule feasibility, and past performance, with a 10% price preference for Qualified Disabled Veteran-owned businesses. The only explicitly priced item is a $10,000 provisional allowance, while all other line items are lump sum with no unit prices or extended values provided, preventing a definitive total contract value. Bids must be submitted electronically via the state’s SIGMA VSS portal by August 12, 2026, with mandatory attachments including bid and performance bonds, a Michigan-based business certification, and an asbestos attestation. Special requirements include a 50% Michigan residency mandate for workers, strict security protocols with possible fire watch obligations, and a clause permitting quantity adjustments of up to ±50% without re-bidding, reflecting a flexible contractual framework. Payment is exclusively via electronic funds transfer through SIGMA VSS using the DTMB-0440 payment request form, with no federal accounting codes or procurement officers named, indicating state-level administrative control.

POSTED

about 20 hours ago

DEADLINE

Domestic Supply Chain & Logistics for Restricted ComponentsThis contract requires the domestic sourcing, warehousing, and just-in-time delivery of restricted electrical connectors, with strict adherence to Department of Defense marking standards, the Advanced Management and Production System, and Vendor Supply Management requirements. All work must be performed within the United States to ensure compliance with federal restrictions on the handling and distribution of sensitive components. The contract is structured as a small business set-aside under SBA regulations, exclusively available to small businesses as defined by the NAICS code 493110, which covers warehousing and storage services. The solicitation is managed by the Maritime Supply Chain under the Department of Defense and is open for response until August 19, 2026, with submission through the DIBBS portal. Performance is expected to align with military logistics standards, emphasizing reliability, traceability, and timely delivery to meet operational demands.

MARITIME SUPPLY CHAIN

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DEADLINE

Supply Chain and Logistics Support

MARITIME SUPPLY CHAIN

POSTED

DEADLINE

Palletization and DLA-Compliant Unitization

MARITIME SUPPLY CHAIN

POSTED

DEADLINE

Radioactive Materials Handling and Labeling (If Applicable)This contract requires specialized handling and labeling of connectors or packaging that exceed specified radioactive thresholds of 0.002 µCi per gram or 0.01 µCi per item, ensuring strict compliance with MIL-STD-129 standards for military shipping and documentation. All affected items must be properly identified, marked, and documented to meet federal radiation safety and transportation regulations, with advance notification required prior to shipment to ensure readiness and regulatory alignment. The work is classified as a subcontract under the NAICS code 493110, indicating a focus on warehousing and storage, and is issued by the Department of Defense through the Maritime Supply Chain office. Responses must be submitted by the deadline of August 19, 2026, with no set-aside provisions indicated, and performance is expected to align with the logistical and compliance demands of defense supply chain operations.

MARITIME SUPPLY CHAIN

POSTED

DEADLINE

Packaging, Marking, and Logistics SupportThe contract requires full compliance with military packaging, marking, storage, and handling standards for electrical components, specifically adhering to MIL-STD-129 and ASTM D3951 regulations. This includes proper documentation, labeling, and logistical procedures for all items, with additional requirements for hazardous materials and delivery protocols governed by the Defense Logistics Agency. All work must meet stringent defense logistics specifications to ensure readiness, traceability, and safety throughout the supply chain. This is a subcontract under the Department of Defense’s Maritime Supply Chain, with a North American Industry Classification System code of 493110, focusing on warehousing and storage. The opportunity was posted on August 4, 2026, with responses due no later than August 19, 2026. Performance is expected to align with DLA delivery mandates and encompass the complete lifecycle of packaging and logistics support, from initial preparation through final transportation, ensuring all components are managed in accordance with federal defense standards regardless of location or quantity.

MARITIME SUPPLY CHAIN

POSTED

DEADLINE