Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, November 11 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Specialized Site Assemblies

Active

State & Local

Response Deadline12/02/2026, 04:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

This subcontract for Specialized Site Assemblies involves the installation of site protection and drainage systems for prime contractors working on Charles County DPW water facility projects. The scope of work includes the assembly of micro-biorention basins and leach field assemblies utilizing perforated drainpipe and washed stone, as well as the installation and delivery of security systems, including bollards, gates, and fencing. Managed by the Maryland DPW Capital Project Management agency under NAICS code 238990, the opportunity was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

General Info

Subcontract for site protection, drainage, and security installation for Charles County water facilities.

Agency

Maryland → DPW - Capital Project Management

NAICS

238990 - All Other Specialty Trade Contractors

Place of Performance

MD, USA

Set-Aside

NONE

Documents

This scope was carved out of 27-016.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Mattawoman Beantown Well House Improvements (UN#1301)

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedOct 29

subcontract

Response DeadlineDec 2

Submission deadline

Response Deadline

12/02/2026, 04:00:00 PM UTCin about 1 month

Ready to pursue this opportunity?

Get full access to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyMaryland → DPW - Capital Project Management

ContactsNo contacts available

OfficeN/A

Organization / AgencyMaryland → DPW - Capital Project Management

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Installs specialized site protection and drainage assemblies for prime contractors on Charles County DPW water facility projects. Performs assembly of micro-biorention basins, leach field assemblies with washed stone and perforated drainpipe, and installation of fencing, gates, and bollards. Delivers completed biorention and security systems.

Similar Contracts

Same NAICS industry code

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 requesting sub-bids from qualified Disadvantaged Business Enterprise subcontractors and suppliers for the Purified Water Replenishment San Jacinto Valley Advanced Water Purification Facility project. Located in San Jacinto, California, this solicitation is for the owner, Eastern Municipal Water District, under specification number 1472W. The project encompasses a wide range of construction and supply needs, covering numerous NAICS codes related to heavy and civil engineering, specialty trade contracting, and industrial equipment manufacturing. The opportunity is specifically set aside for various SBA-certified entities, including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses, as well as Disadvantaged Business Enterprises. Interested parties must submit their bids by November 17, 2026, at 10:00 A.M. Primary coordination for this solicitation is handled by Lori Olivas.

J.F. Shea Construction, Inc.

POSTED

about 5 hours ago

DEADLINE

CONSTRUCTION MANAGER/GENERAL CONTRACTOR (CM/GC) SERVICES FOR DIRECT POTABLE REUSE DEMONSTRATION FACILITY (PHASE 1) RFQ NO. 3002

Solicitation # construction-managergeneral-contractor-cmgc-services-direct-potable-reuse-demonstration-facility

The Metropolitan Water District of Southern California is seeking qualified subconsultants for the Direct Potable Reuse Demonstration Facility Phase 1 project located in Carson, California. This solicitation is specifically targeting certified MBE, WBE, SBE, DVBE, VOB, and LSA firms to provide Construction Manager/General Contractor services. The project encompasses a wide range of professional and construction services as indicated by multiple NAICS codes, including engineering, architectural, and specialized construction management. Interested subconsultants must submit their bids by October 23, 2026, at 2:00 P.M., ahead of the owner's final bid date on November 3, 2026. The procurement process is being managed through J.F. Shea Construction, Inc., with Lori Olivas serving as the primary point of contact. This opportunity is designated for various SBA-certified small business categories, including Veteran-Owned, Women-Owned, and HUBZone small businesses, as well as Disadvantaged Business Enterprises.

J.F. Shea Construction, Inc.

POSTED

about 5 hours ago

DEADLINE

Construction-Phase Geotechnical TestingThis subcontract for Construction-Phase Geotechnical Testing involves providing field quality control and verification of earthwork for prime contractors on geotechnical projects within San Diego County. The scope of work includes conducting field density and compaction testing, as well as observing grading, excavation, and fill placement utilizing nuclear density gauges. To ensure technical compliance, all inspectors are required to hold ACI or ICC certifications. The selected provider will be responsible for delivering essential documentation, including daily field reports, compaction test results, and formal certification letters. This opportunity is categorized under NAICS code 238990, with a response deadline set for December 4, 2026.

San Diego County

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Building Envelope Sealant ApplicationThis subcontract for Building Envelope Sealant Application involves performing specialized sealant replacement for prime contractors on Texas Department of Public Safety facility projects. The scope of work requires the removal of failing sealants and the application of new weather-resistant materials in accordance with the specifications outlined in Drawing R1.01 to ensure a completely sealed and weather-tight building envelope. The project falls under NAICS code 238990 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of December 8, 2026. Further details regarding this opportunity can be accessed through the Texas SmartBuy portal.

Department of Public Safety

POSTED

about 12 hours ago

DEADLINE

in about 1 month

Poured in Place (PIP) Rubber Surfacing InstallationThis subcontract involves the installation of Poured in Place rubber safety surfacing for prime contractors working on City of San Antonio Parks and Recreation projects. The primary objective is to apply rubber surfacing that meets specific manufacturer specifications for impact attenuation performance and Child Fall Height safety requirements. Work is performed on an as-needed basis across various city park locations to ensure the delivery of a compliant protective surface. The project falls under NAICS code 238990 and is associated with the City of San Antonio in Texas. Interested parties should note that the response deadline is November 18, 2026, with the solicitation having been posted on October 30, 2026.

CITY OF SAN ANTONIO

POSTED

about 12 hours ago

DEADLINE

Traffic Signage and Management Equipment InstallationThis subcontract opportunity involves the supply and installation of traffic signs and related management equipment for prime contractors operating on projects within the Central Florida Tourism Oversight District. The selected provider will be responsible for installing both new and replacement signage and maintaining all supports in strict accordance with FHWA and FDOT standards. A primary requirement of the contract is ensuring that all delivered and installed signage remains fully compliant with MUTCD regulations. The solicitation is categorized under NAICS code 238990 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of November 24, 2026. This project focuses on delivering fully compliant traffic management infrastructure to support the district's transportation and safety needs.

Central Florida Tourism Oversight District

POSTED

about 14 hours ago

DEADLINE

408-27 Banneker, Cambridge, Creekside, & Northview HS A/V Projects

Solicitation # 408-27

Fulton County Schools is soliciting proposals under RFP No. 408-27 for a qualified and experienced firm to provide construction services for audio/visual projects. The scope of work involves multiple locations, specifically Banneker, Cambridge, Creekside, and Northview High Schools in Georgia. Detailed duties and deliverables are outlined in the General Conditions and Project Summary and Directory sections of the solicitation documents. The procurement process is managed by Angela R. Young, Executive Director of FCS Capital Program Contracts. A pre-proposal conference and site visit are scheduled for November 5, 2026, at Banneker High School. Interested firms must submit all inquiries by November 12, 2026, and submit their sealed digital proposals via the Euna Procurement Bonfire portal by 2:30 p.m. EST on November 25, 2026.

Fulton County School System

POSTED

about 14 hours ago

DEADLINE

Traffic Control ServicesThis subcontract for Traffic Control Services supports prime contractors on Georgia Department of Transportation projects. The scope of work involves the implementation of traffic control zones, including the placement of cones, barrels, and signage, all performed in strict accordance with Special Provision 150 Traffic Control (2025). To ensure safety and regulatory compliance, the contractor must provide certified flaggers and all necessary standard traffic control equipment. The opportunity is categorized under NAICS code 238990 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of November 14, 2026. This engagement focuses on delivering safe and compliant traffic management solutions to facilitate the successful execution of state transportation infrastructure projects.

Department of Transportation

POSTED

about 14 hours ago

DEADLINE

Timber Railing Fabrication & InstallationThis subcontract for Timber Railing Fabrication and Installation involves the construction of safety railings for prime contractors working on Maryland Department of General Services park projects. The scope of work specifically requires the installation of 54-inch high breakaway timber rails on both sides of a pedestrian and equestrian bridge, ensuring all deliverables meet established project safety specifications. The opportunity is categorized under NAICS code 238990 and was posted on October 30, 2026. Interested parties must submit their responses by the deadline of January 11, 2027.

POSTED

about 15 hours ago

DEADLINE

Custom Illuminated Sign Cabinet Fabrication & InstallationThis subcontract involves the fabrication and installation of a custom double-sided, internally illuminated main ID cabinet for the City of Augusta Recreation and Parks Department. The project requires the production of a 7'-2" x 11'-1" cabinet featuring 3-foot tall flat Plex sign faces and internal LED lighting. The selected contractor is responsible for providing all necessary design drawings and artwork for approval before delivering and installing the completed unit onto an existing sign pole and foundation. The opportunity is categorized under NAICS code 238990 and is managed through the state of Georgia for the City of Augusta. Interested parties must adhere to the response deadline of December 1, 2026. The scope of work concludes upon the successful delivery and illumination of the installed ID cabinet.

City of Augusta

POSTED

about 15 hours ago

DEADLINE

in about 1 month

Illuminated Main ID Cabinet Fabrication and InstallationThis subcontract involves the fabrication and installation of a double-sided, internally illuminated main ID cabinet for facility projects within the City of Augusta, Georgia. The scope of work includes conducting site surveys of existing poles and foundations, fabricating a cabinet measuring 27 feet 2 inches by 11 feet 1 inch with 3-foot tall plex sign faces, and completing the final installation onto existing poles to deliver a fully operational illuminated sign. Eligible bidders must hold a General, Utility, or Specialty Contractor License and maintain compliance with E-Verify requirements. The project is categorized under NAICS code 238990, with a response deadline set for December 1, 2026.

City of Augusta

POSTED

about 15 hours ago

DEADLINE

in about 1 month

Signage and Mailbox RelocationThis subcontract opportunity with the City of San Antonio involves the relocation of mailboxes and street signs to support prime contractors on various street rehabilitation projects. The selected provider will be responsible for the removal of existing signage and mailboxes and their subsequent re-installation in approved locations, ensuring all work adheres strictly to the City of San Antonio placement standards. The scope of work focuses on the delivery of secured and correctly positioned assets to maintain city infrastructure during roadwork. Interested parties should note that the response deadline for this project is December 8, 2026, and the work falls under NAICS code 238990.

CITY OF SAN ANTONIO

POSTED

about 16 hours ago

DEADLINE

in about 1 month

More opportunities from Maryland → DPW - Capital Project Management

Same awarding agency

Demolition & Well AbandonmentThis subcontract for the Maryland Department of Public Works Capital Project Management involves structural demolition and environmental closure services for water facility projects in Charles County. The selected contractor will be responsible for the demolition of an existing well house structure and the formal abandonment of the associated well to ensure a cleared site and a certified abandoned well. The project falls under NAICS code 238910 and was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Site Preparation Contractors

POSTED

DEADLINE

in about 1 month

Plumbing & Process MechanicalThis subcontract opportunity, titled Plumbing and Process Mechanical, is issued by the Maryland Department of Public Works Capital Project Management for water facility projects in Charles County. The selected contractor will support prime contractors by installing yard piping, process mechanical systems, and chemical flow schematics. The primary objective is the delivery of fully installed and leak-tested process piping and plumbing fixtures. The project falls under NAICS code 238220 and was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026. Detailed information and submission portals are available through the Charles County procurement portal.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

DEADLINE

in about 1 month

HVAC InstallationThis subcontract involves the installation of heating, ventilation, and air conditioning systems for prime contractors working on Charles County DPW water facility projects. The scope of work includes the installation of HVAC units along with all necessary ductwork and piping to deliver a fully operational climate control system for the well house, strictly adhering to project plans and schedules. Managed by the Maryland DPW Capital Project Management agency under NAICS code 238220, the opportunity was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

DEADLINE

in about 1 month

Electrical & Process ControlsThis subcontract opportunity involves the installation of electrical power and control systems for prime contractors working on Charles County DPW water facility projects. The scope of work includes the installation of electrical duct banks, power distribution, Motor Control Centers, Automatic Transfer Switches, and lighting, as well as the implementation of process control elementary diagrams to deliver a fully wired and energized electrical system. Managed by the Maryland DPW Capital Project Management agency under NAICS code 238210, the project was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Electrical Contractors and Other Wiring Installation Contractors

POSTED

DEADLINE

in about 1 month

Pre-Cast Concrete SupplyThis subcontract agreement involves the manufacture and delivery of specialized pre-cast concrete wall sections for prime contractors working on Charles County DPW water facility projects. The scope of work requires the production of wall panels featuring embossed brick patterns that adhere strictly to project specifications, with the supplier responsible for transporting the completed sections directly to the project site. Managed by the Maryland DPW Capital Project Management office under NAICS code 327390, the opportunity was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Other Concrete Product Manufacturing

POSTED

DEADLINE

in about 1 month

Concrete & FoundationsThis subcontract opportunity, titled Concrete and Foundations, involves providing structural concrete services for prime contractors working on Charles County DPW water facility projects. The scope of work includes performing excavation for well house foundations, pouring concrete pad foundations for generators, and constructing concrete walks and ADA-compliant sidewalk crossings. The final deliverables consist of fully cured concrete foundations, pads, and walkways. Managed by the Maryland DPW Capital Project Management office under NAICS code 238110, the solicitation was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Poured Concrete Foundation and Structure Contractors

POSTED

DEADLINE

in about 1 month

Water Main & Utility InstallationThis subcontract for Water Main and Utility Installation involves the installation and certification of water distribution infrastructure for prime contractors working on Charles County DPW water facility projects. The scope of work includes the installation of Phase 1 water mains, pressure testing, disinfection, and the demolition of existing water mains located between Phase 1 connections. The ultimate objective is the delivery of a fully operational, pressure-tested, and disinfected water main system. Managed by the Maryland DPW Capital Project Management agency under NAICS code 237110, the project was posted on October 29, 2026. Interested parties must submit their responses by the deadline of December 2, 2026.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

in about 1 month

Civil & Site WorkThis subcontract for Civil and Site Work involves performing essential site preparation and civil improvements for prime contractors on water facility projects managed by the Charles County Department of Public Works in Maryland. The scope of work includes mobilization, the implementation of erosion and sediment control, site regrading, and the hauling and disposal of excess soil to ensure a graded and stabilized site ready for construction. The opportunity is categorized under NAICS code 237990 and is managed by the DPW Capital Project Management office. Interested parties must submit their responses by the deadline of December 2, 2026.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

in about 1 month

Mattawoman Beantown Well House Improvements (UN#1301)

Solicitation # 27-016

The Board of Commissioners for Charles County, through the Department of Public Works Capital Project Management, is soliciting sealed bids for the Mattawoman Beantown Well House Improvements project. The scope of work includes the construction, development, and testing of a new well house, the demolition of the existing structure, and the abandonment of the existing well. Key deliverables include the installation, pressure testing, and disinfection of the Phase 1 water main, as well as comprehensive civil and sitework encompassing excavation, shoring, a micro-biorention basin assembly, and ADA-compliant sidewalk crossings. The project is located at 12599 Mattawoman Drive, Waldorf, Maryland. The contract will be awarded to the lowest responsive and responsible bidder based on the sum of base bid and contingency items. Bidders must submit electronic proposals by December 2, 2026, including a 5% bid bond, an MWBE Compliance Plan, and required experience and disclosure forms. The selected contractor must adhere to Maryland prevailing wage requirements and provide a one-year warranty following the Certificate of Substantial Completion. Strict quality control standards are mandated, including specific packaging and marking requirements for equipment and the use of an independent testing laboratory for inspections. All work is subject to inspection by the County Contracting Officer to ensure compliance with technical specifications and safety codes.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

in about 1 month

Cobb Island and Hill Road Pump Station Improvements (UN 1308\UN 1309)

Solicitation # 27-010

The Board of Commissioners for Charles County, Maryland, is soliciting bids for construction services to improve the Cobb Island and Hill Road sewage pump stations. The scope of work involves the demolition of existing mechanical and electrical equipment from the 1980s and the installation of new process mechanical piping, submersible pumps, HVAC, electrical and control systems, and interior coatings for wet wells and valve vaults. Additional requirements include the installation of new odor control systems, electrical and instrumentation canopies, and civil site work encompassing temporary bypass pumping, erosion and sediment control, final grading, and paving. Specific technical mandates include the use of Type 316 stainless steel for hardware inside manholes and wet wells, and compliance with NEC Class I, Division 1, Group C and D standards for hazardous locations. The contract will be awarded to the lowest responsive and responsible bidder based on the sum of base bid items and contingency items. Bidders must provide a five percent bid bond and demonstrate technical competency through an experience form listing three similar projects. The project is subject to Maryland state law, prevailing wage requirements, and a 9.5 percent MWBE goal. Once awarded, the contractor must submit a schedule of values within ten days of the construction schedule. Payments are issued monthly, subject to a five percent deduction. The completed work is subject to a one-year warranty from the date of final acceptance, and the contractor must provide performance and labor bonds to guarantee fulfillment of the contract.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

MWWTP Effluent FM Surge & Transient Design Build Services (UN 1282)

Solicitation # 27-002

The Mattawoman Wastewater Treatment Plant (MWWTP) in Charles County, Maryland, requires turn-key design-build services to manage force main surge and transients. Following a project that increased the effluent pump station's design peak flow to 60 million gallons per day, the County is concerned that cyclical pump operations and potential pump trips could damage the 50-year-old, 54-inch diameter prestressed concrete cylinder pipe and the existing air release valve. The project involves the design and construction of a new 40-foot diameter welded steel standpipe with separate influent and effluent pipes, including a welded steel roof cover, internal ladders, safety cages, and an overflow system. Key technical requirements include the creation of a water hammer model using Bentley HAMMER software to simulate various pump trip events and adherence to NACE II or higher qualifications for the agent. The procurement process is managed by the DPW Capital Project Management office, with proposals evaluated based on a combination of team qualifications, key personnel experience, and proposed price. The project timeline allows for a design phase of up to 270 consecutive calendar days, with construction starting within 270 days of the Notice to Proceed and reaching substantial completion within 420 days of the construction start date. Contractors must provide a 5 percent bid bond, as well as performance and labor and material bonds for 100 percent of the contract price. Additionally, the design-builder must maintain professional liability insurance of at least 2 million dollars per occurrence and aggregate, and all work must comply with ADA standards and prevailing wage requirements.

Water and Sewer Line and Related Structures Construction

POSTED

DEADLINE

Charles County VanGo Maintenance Facility Construction

Solicitation # 27-012

The Board of Commissioners for Charles County is soliciting bids for the turnkey construction of the VanGo Transit Operations and Maintenance Facility in Waldorf, Maryland. Located on a 6.72-acre site, the project involves the complete construction, testing, commissioning, and turnover of an approximately 180,000-square-foot facility designed to support 50 transit buses. The scope of work includes 20,000 square feet of administration and maintenance space, 82,000 square feet of commuter-bus parking, bus and chassis wash facilities, fueling islands, fare-collection facilities, and comprehensive site improvements including grading, drainage, and utility installation. The project is funded in part by Federal and State transit funds administered through the Maryland Transit Administration. The contract will be awarded to the lowest responsive and responsible bidder based on the sum of base bid and contingency items. The successful contractor must complete all work within 547 consecutive calendar days from the Notice to Proceed. Key compliance requirements include adherence to the Davis-Bacon Act for prevailing wages, Buy America and Build America Buy America standards, and 2010 ADA Standards for Accessible Design. Bidders are required to provide a 5% bid bond and must submit all proposals electronically via the County's eProcurement Portal. Performance and labor bonds are required to ensure contract fulfillment and payment for materials and labor.

Commercial and Institutional Building Construction

POSTED

DEADLINE

in about 1 month

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS