This Subcontract opportunity from Department Of Defense was posted on August 20, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Structural Modification and Vault Opening Retrofit

Closed

Federal

Submission Closed08/28/2026, 02:30:00 PM PDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 238990

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MAIN WASTEWATER TREATMENT PLANT SECONDARY REACTORS REHABILITATION,PHASE 2, SPECIFICATION SD-462

Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitationphase-2-specification-sd-462

J.F. Shea Construction, Inc. is seeking bids from subcontractors and suppliers for Phase 2 of the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation project located in California. The scope of work is extensive, encompassing demolition, saw-cutting, concrete coring, hazardous materials handling, AC paving, ready-mix concrete, reinforcing and structural steel, miscellaneous metals, waterproofing, access and vault hatches, painting, coatings, equipment, and electrical services. This solicitation is specifically set aside for certified small businesses, including SDVOSB, VOSB, WOSB, and DBE entities. Interested parties must submit their responses by the deadline of November 18, 2026. Primary coordination for this opportunity is managed by Lori Olivas.

J.F. Shea Construction, Inc.

POSTED

DEADLINE

PURIFIED WATER REPLENISHMENT SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY SPECIFICATION NO. 1472W

Solicitation # purified-water-replenishment-san-jacinto-valley-advanced-water-purification-facility-specification-0

J.F. Shea Construction, Inc. is seeking sub-bids from qualified DBE subcontractors and suppliers for the Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility project in San Jacinto, California. The project, owned by the Eastern Municipal Water District, involves a wide array of work items including AC paving, concrete, structural steel, HVAC, electrical, instrumentation, and various interior and exterior finishing trades. Bids are due by November 17, 2026, at 10:00 A.M. Interested parties can access plans and specifications via the District's PlanetBids procurement portal. J.F. Shea Construction, Inc. intends to utilize the lowest responsive bidder and expects subcontractors to be bondable, offering to cover up to 1% of subcontractor bond costs. All bids must strictly adhere to the provided plans and specifications, particularly regarding warranty requirements, as standard manufacturer warranties that do not meet owner specifications will be rejected.

J.F. Shea Construction, Inc.

POSTED

DEADLINE

Signage and Posting ServicesThis subcontract for Signage and Posting Services involves the supply and installation of posting and signage for prime contractors working on Stanislaus Council of Governments projects. The selected provider will be responsible for delivering and installing signs and posting hardware on designated parcels in strict accordance with SP-06 specifications. The contract is managed by the Project Delivery agency in California under NAICS code 238990. Interested parties must be DIR registered to qualify. The solicitation was posted on November 11, 2026, with a response deadline of December 2, 2026.

POSTED

DEADLINE

Temporary Fencing Installation and RemovalThis subcontract for Temporary Fencing Installation and Removal involves providing temporary fencing services for prime contractors working on Stanislaus Council of Governments projects. The selected contractor is responsible for the furnishing, installation, and eventual removal of fence panels, posts, and anchoring systems in strict accordance with SP-05 specifications. Eligible bidders must hold a valid DIR registration to perform the work. The solicitation was posted on November 11, 2026, with a response deadline of December 2, 2026. This opportunity falls under NAICS code 238990 and is managed through the Project Delivery agency in California.

POSTED

DEADLINE

Parcel Securing and Board-Up ServicesThis subcontract for Parcel Securing and Board-Up Services involves providing initial security measures for acquired parcels on projects managed by the Stanislaus Council of Governments. The selected contractor will be responsible for securing Type A parcels by installing board-ups and access doors in accordance with SP-04 specifications, utilizing plywood and hardware to effectively prevent unauthorized entry. The project falls under NAICS code 238990 and requires the contractor to be registered with the Department of Industrial Relations per Labor Code section 1725.5. Interested parties must submit their responses by December 2, 2026, to support the Project Delivery agency in California.

POSTED

DEADLINE

Paving and LandscapingThis subcontract for Allegany College of Maryland focuses on paving and landscaping services for facility projects. The scope of work includes concrete paving, the installation of parking bumpers, pavement markings, and tactile warnings, as well as the planting of turf, grasses, and other vegetation. The primary objective is to deliver fully completed parking areas and professionally landscaped grounds while working under prime contractors. The opportunity is categorized under NAICS code 238990 and was posted on November 11, 2026. Interested parties must submit their responses by the deadline of December 21, 2026. This project is specifically associated with the workforce development training center renovations for the college.

Allegany College of Maryland

POSTED

DEADLINE

Owner-Furnished Equipment (OFE) InstallationThis subcontract opportunity involves the installation of owner-furnished playground equipment for prime contractors working on City of Spokane park projects. The scope of work focuses on the professional assembly and anchoring of playground structures to ensure total stability and the maintenance of required safety clearances. All installation activities must strictly adhere to manufacturer specifications and established safety standards to deliver fully functional and secure equipment. The solicitation was posted on November 11, 2026, with a response deadline of December 8, 2026. Classified under NAICS code 238990, this project is managed through the City of Spokane in Washington. Interested parties can find further details and submission guidelines via the provided ProcureWare portal.

POSTED

DEADLINE

Engineered Wood Fiber (EWF) InstallationThis subcontract opportunity involves the supply and installation of Engineered Wood Fiber fall protective surfacing for prime contractors working on City of Spokane park projects. The selected provider will be responsible for the entire process of material supply, placement, and the necessary compaction and leveling within designated play area footprints to ensure a completed surfacing layer. All work must strictly adhere to established safety standards for fall protective surfacing. Interested parties should note that the response deadline for this project is December 8, 2026, with the work falling under NAICS code 238990.

POSTED

DEADLINE

Whittier Park Playground Installation

Solicitation # PW ITB 6647-26

The City of Spokane is soliciting bids for the Whittier Park Playground Installation project, located at 3405 W. Hartson Ave. The scope of work includes a base bid for the expansion of the existing play area, featuring the installation of owner-furnished equipment, engineered wood fiber surfacing, excavation, demolition, new concrete curbing, grading, irrigation repairs, and landscape restoration. An optional alternate is available for the supply and placement of engineered wood fiber surfacing within the existing play area footprint. The project is funded by Federal CDBG funds and is subject to both Washington State prevailing wage rules under RCW 39.12 and Federal Davis-Bacon Act requirements. Bids must be submitted electronically via the City's bidding portal by 11:00 AM on December 8, 2026. The contract will be awarded to the lowest responsible bidder who meets mandatory criteria, including current contractor registration, a Washington UBI number, and appropriate insurance and tax registrations. A critical requirement for responsiveness is that the contractor must employ a Certified Playground Safety Inspector (CPSI). Once awarded, the contractor has ten days to sign the contract and provide payment and performance bonds. Work must commence within ten days of the Notice to Proceed and be substantially completed within 30 working days.

POSTED

DEADLINE

Pool Plastering and FinishingThis subcontract for Pool Plastering and Finishing, managed by DAS Procurement for the State of Connecticut, involves the supply and installation of new plaster finishes for the Town of Simsbury Department of Parks and Recreation. The selected contractor will be responsible for preparing the base and applying specified plaster surfaces to both the Main Pool and Diving Pool to ensure a completed, professional finish. The project requires a minimum three-year warranty covering all labor and workmanship. Interested parties must submit their responses by November 30, 2026, at 3:00 PM. The contract falls under NAICS code 238990 and is intended for prime contractors overseeing the facility improvements.

POSTED

DEADLINE

Pool Surface Preparation and DemolitionThis subcontract for Pool Surface Preparation and Demolition supports prime contractors on projects for the Town of Simsbury Department of Parks and Recreation. The scope of work involves the removal of existing pool finishes and comprehensive substrate preparation, including water-blasting surfaces, conducting tap tests to locate and remove hollow areas, and clearing old grout and caulking. The contractor is responsible for repairing chipped and hollowed-out substrate areas using high-pressure equipment to ensure a professional finish. All work must be performed in strict compliance with Connecticut public pool requirements and the Virginia Graeme Baker Pool and Spa Safety Act. Upon completion, the contractor must deliver a cleaned and repaired substrate accompanied by a written summary and photographic documentation. This opportunity is managed through DAS Procurement for the state of Connecticut, with a response deadline of November 30, 2026.

POSTED

DEADLINE

Pool Plaster Replacement at Simsbury Farms Rec Complex

Solicitation # CP&R 2026-4

The Town of Simsbury is soliciting bids for a licensed contractor to perform pool plaster replacement and surface rehabilitation for the Main Lap Pool and Diving Pool at the Simsbury Farms Recreation Complex. The scope of work includes water-blasting surfaces, removing hollow areas, replacing grout and caulking, updating depth markers and drain grates, and applying a multi-coat scratch coat and new commercial-grade cementitious plaster finish. All work must be completed by May 10, 2027, and performed Monday through Friday, excluding state and federal holidays unless approved. The project requires adherence to the Virginia Graeme Baker Pool and Spa Safety Act, Connecticut public pool requirements, and ASTM standards, with a minimum three-year warranty on labor and workmanship. To be considered a responsible bidder, firms must demonstrate the successful completion of at least five comparable commercial or public-use pool resurfacing projects within the last seven years, including three of similar size and complexity. Sealed proposals must be submitted to the Director of Finance by 10:00 a.m. on November 30, 2026. Required documentation includes a bid form, qualifications statement, non-collusion affidavit, a ten-year project list, and a list of key personnel. The successful bidder must provide a W-9 form and maintain specific insurance coverage, including a $2,000,000 limit for single-person injury and a $1,000,000 limit for multi-person accidents. The Town of Simsbury is exempt from Federal Excise Taxes and Connecticut Sales and Use Taxes.

DAS Procurement

POSTED

about 16 hours ago

DEADLINE

in 18 days

AI Contract Overview

This subcontract, issued by the Department of Defense under Niwc Pacific, involves the structural modification and retrofit of a vault opening. The scope of work includes the demolition of existing vault door infrastructure and the necessary structural adjustments to the opening to accommodate the installation of a new STC 40 door, ensuring all reinforcements meet current code compliance. The project is categorized under NAICS code 238990. Interested parties must submit their responses by the deadline of August 28, 2026, following the posting date of August 20, 2026.

General Info

DoD subcontract for vault opening structural modification and STC 40 door installation.

Agency

Department Of Defense → Niwc Pacific

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

Set-Aside

NONE

Documents

This scope was carved out of N6600126Q6299.

The full solicitation package (8 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

N66001-26-P-6299 Combined Synopsis Solicitation for an Acoustic Retrofit and Secure Entry Modification

AI Contract Breakdown

Uniform Contract Format

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Timeline

PhaseClosed

PostedAug 20

subcontract

Response DeadlineAug 28

Deadline has passed

Submission Closed

08/28/2026, 02:30:00 PM PDT

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Organization & Contact Information

AgencyDepartment Of Defense → Niwc Pacific

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → Niwc Pacific

Office AddressN/A

ContactsNo contact information available

Full Description

Demolition of existing vault door infrastructure and structural modification of the opening to accommodate a new STC 40 door, including reinforcement and code compliance.