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, September 16 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

In-Place Density Testing Services

Active

State & Local

Response Deadline10/06/2026, 06:00:00 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 In-Place Density Testing Services involves performing soil and material density testing for prime contractors at Upper Occoquan Service Authority wastewater treatment facility projects. The selected provider will utilize nuclear density gauges or equivalent equipment to conduct in-place testing and verify that all compaction requirements are met. The contractor is responsible for coordinating testing windows with the Owner and Engineer, as well as delivering formal density test reports and certifications of compaction. This opportunity falls under NAICS code 541370, with a response deadline of October 6, 2026.

General Info

Subcontract for soil density testing at Upper Occoquan facility; deadline October 6, 2026.

Agency

Virginia → Upper Occoquan Service AuthorityView Agency

NAICS

541370 - Surveying and Mapping (except Geophysical) ServicesView NAICS

Place of Performance

VA, USA

Set-Aside

NONE

Documents

This scope was carved out of 27-01.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

L2 GAC

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PostedSep 4

subcontract

Response DeadlineOct 6

Submission deadline

Response Deadline

10/06/2026, 06:00:00 PM UTCin 25 days

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyVirginia → Upper Occoquan Service Authority

ContactsNo contacts available

OfficeN/A

Organization / Agency

Virginia → Upper Occoquan Service Authority

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs soil and material density testing for prime contractors on Upper Occoquan Service Authority (UOSA) wastewater treatment facility projects. Conducts in-place density testing using nuclear density gauges or equivalent equipment to verify compaction requirements. Coordinates testing windows with the Engineer and Owner. Delivers density test reports and certification of compaction.

Similar Contracts

Same NAICS industry code

Boundary, Topographic, and Utility Surveying

Department of Environmental Protection

POSTED

about 14 hours ago

DEADLINE

Utility Locating and Mapping Services

POSTED

about 16 hours ago

DEADLINE

Park Signage and Surveying

POSTED

about 18 hours ago

DEADLINE

CYPRESS-FAIRBANKS ISD

POSTED

about 23 hours ago

DEADLINE

Historical Preservation & Materials Analyst

POSTED

DEADLINE

in about 2 months

Pavement Condition Survey & Field Inspection

POSTED

DEADLINE

Parcel Data Acquisition & Processing

California Department of Water Resources

POSTED

DEADLINE

Imagery Acquisition and Photo Interpretation

Napa County Flood Control and Water Conservation District

POSTED

DEADLINE

Professional Land Surveying

City of Emeryville

POSTED

DEADLINE

Surveying and Mapping Services

City of Atlanta

POSTED

DEADLINE

Foundation and Utility Survey Services

Texas Military Department

POSTED

DEADLINE

in about 2 months

Cultural Resources & Archaeological Services

Public Works / Roads

POSTED

DEADLINE

More opportunities from Virginia → Upper Occoquan Service Authority

Same awarding agency

Granular Activated Carbon (GAC) Media SupplyThis subcontract for the Upper Occoquan Service Authority involves the supply and delivery of specialized Granular Activated Carbon (GAC) media to a project site in Centreville, Virginia. The selected provider must furnish media that meets all technical specifications using bulk transport and delivery vehicles, while providing necessary technical data sheets to verify media quality. A critical requirement of this agreement is the certification of domestic origin in accordance with Buy American and domestic preference standards. Interested parties must submit their responses by October 6, 2026, to be considered for this supply contract under NAICS code 423690.

Other Electronic Parts and Equipment Merchant Wholesalers

POSTED

DEADLINE

Piping and Utility InstallationThis subcontract for the Upper Occoquan Service Authority involves the installation and interconnection of piping and utility systems for prime contractors at facility projects in Centreville. The scope of work focuses on optimizing GAC treatment through the use of specialized welding equipment, pipe fitting tools, and pressure testing equipment to ensure all systems are fully installed and tested. The project requires strict adherence to Section 01 31 13 and the Virginia Public Procurement Act standards. Interested parties must submit their responses by October 6, 2026, under NAICS code 238220.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

DEADLINE

Dewatering and Waste Disposal ServicesThis subcontract for Dewatering and Waste Disposal Services involves performing draining, cleaning, and material disposal for prime contractors at Upper Occoquan Service Authority facility projects in Centreville, Virginia. The selected provider will execute a comprehensive dewatering and material disposal plan utilizing vacuum trucks, dewatering pumps, and disposal containers to ensure facilities are cleaned and drained and ready for construction. The contractor must maintain all necessary environmental permits for waste disposal and ensure full compliance with Section 01 31 13. This opportunity is categorized under NAICS code 562910, with a response deadline of October 6, 2026.

Remediation Services

POSTED

DEADLINE

Concrete Drilling and Sawing ServicesThis subcontract for Concrete Drilling and Sawing Services involves performing precision cutting and drilling of existing concrete infrastructure for prime contractors at Upper Occoquan Service Authority facility projects in Centreville. The scope of work includes executing core drilling and concrete sawing for utility penetration and infrastructure assessment, utilizing specialized equipment such as core drills, concrete saws, and vacuum systems for slurry control. The selected provider must adhere to all UOSA site access and safety protocols to deliver completed penetrations and cuts in concrete structures. This opportunity falls under NAICS code 238910, with a response deadline of October 6, 2026.

Site Preparation Contractors

POSTED

DEADLINE

UOSA IFB 27-01 GAC Treatment Optimization

Solicitation # 27-01

The Upper Occoquan Service Authority is soliciting bids for the GAC Treatment Optimization project, identified as IFB-127897. The project is divided into two phases, with Phase 1 focusing on retrofitting one L/2 Building carbon contactor to serve as a PFAS pilot study system. This initial phase includes restoring upflow and downflow operating capabilities via underdrain nozzle system modifications and conducting a proof-of-concept evaluation for carbon transfer improvements. If authorized by the owner, Phase 2 will expand these improvements to the remaining seven carbon contactors, totaling fourteen cells, based on the outcomes of the first phase. The work will be performed in Centreville, Virginia. Interested parties must submit their responses by October 6, 2026.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

Cementitious Waste Hauling and DisposalThis subcontract for Cementitious Waste Hauling and Disposal supports prime contractors at the Upper Occoquan Service Authority wastewater treatment facility. The scope of work involves the transport and offsite disposal of rejected concrete, grout, and flowable fill using dump trucks. Additionally, the contractor is responsible for managing settled solids from cementitious wash water to ensure the legal removal of all waste materials. Compliance is a critical component of this agreement, requiring adherence to VPDES Stormwater No Exposure Certification and Construction Stormwater Pollution Prevention Plans. The solicitation was posted on September 4, 2026, with a response deadline of October 6, 2026, under NAICS code 484220.

Specialized Freight (except Used Goods) Trucking, Local

POSTED

DEADLINE

Temporary Piping, Electrical, and Instrumentation ServicesThis subcontract for Temporary Piping, Electrical, and Instrumentation Services involves the installation and management of temporary utility connections for prime contractors at the Upper Occoquan Service Authority wastewater treatment facility in Virginia. The scope of work includes implementing plans for temporary piping, plumbing, electrical, and instrumentation interconnections, as well as managing temporary HVAC, lighting, and dewatering operations for facilities being drained. The primary objective is to deliver functional temporary utility systems that ensure plant operations remain uninterrupted during construction. This opportunity is categorized under NAICS code 238220, with a response deadline of October 6, 2026.

Plumbing, Heating, and Air-Conditioning Contractors

POSTED

DEADLINE

Selective Demolition and Concrete Infrastructure AssessmentThis subcontract for the Upper Occoquan Service Authority involves selective demolition and concrete infrastructure assessment at wastewater treatment facility projects. The selected provider will support prime contractors by performing pre-demolition scanning using X-ray instruments or ground-penetrating radar to identify piping, conduits, and rebar. The scope of work includes core drilling and saw-cutting of concrete walls, ceilings, and floor slabs, as well as the delivery of detailed infrastructure assessment reports. This project falls under NAICS code 238910, with a response deadline of October 6, 2026.

Site Preparation Contractors

POSTED

DEADLINE

Solicitation # 27-01

The Upper Occoquan Service Authority in Virginia has issued solicitation number 27-01, titled L2 GAC, which was officially posted on September 4, 2026. This local government procurement opportunity includes a scheduled pre-bid or proposal meeting set for September 17, 2026, at 10:00 AM to provide interested parties with essential project details. Prospective bidders must submit their formal responses no later than the deadline of October 6, 2026, at 6:00 PM. Further information regarding the solicitation and specific requirements can be accessed through the agency's official website.

Sewage Treatment Facilities

POSTED

DEADLINE

UOSA IFB 27-02 P2NR+ Construction

Solicitation # IFB-127048

The Upper Occoquan Service Authority is soliciting bids for the P2NR+ Construction project at the Millard H. Robbins, Jr. Regional Water Reclamation Plant in Centreville, Virginia. This contract focuses on nitrogen management process improvements and various renewal and replacement upgrades. Key mechanical work includes replacing eight screw pumps at Primary Effluent Lift Stations 55/1 and 55/2, upgrading two RAS pumps at Station 9/1 to increase capacity, and improving cyclone and settleability at Selector Basins 56/1 through 56/7. Additionally, the project involves replacing secondary clarifier mechanisms for units 6/5 and 6/6, as well as a primary sludge pump at Station 54/2. The scope of work extends to critical electrical and infrastructure upgrades, including the replacement of equipment in Load Center No. 1 and Load Center No. 8. Further improvements will be made to the aeration basins, secondary effluent collection box, biofoam pump station, and various dewatering pump stations. The project also encompasses updates to the blower building, mixed liquor splitter box, and associated site piping and electrical systems. Responses for solicitation IFB-127048 are due by October 22, 2026.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

in about 1 month

Process Instrumentation and Control Systems (PICS)This subcontract for the Upper Occoquan Service Authority involves the supply and installation of process instrumentation and control systems for water reclamation plant projects. The scope of work focuses on implementing sensors, controllers, and interfaces specifically for pump station automation and nitrogen management in accordance with Section 44 42 56.07. To ensure full system compatibility, the contractor will utilize PICS hardware and control panels to deliver a completely operational process control system. This opportunity falls under NAICS code 238210, with a response deadline set for October 22, 2026.

Electrical Contractors and Other Wiring Installation Contractors

POSTED

DEADLINE

in about 1 month

Ground Penetrating Radar (GPR) & Utility LocatingThis subcontract involves providing subsurface utility locating services for prime contractors working on water reclamation plant projects for the Upper Occoquan Service Authority in Virginia. The selected provider will utilize ground-penetrating radar and X-ray instruments to identify underground utilities and obstructions before excavation begins, ensuring compliance with Section 02 41 00. Deliverables include detailed utility location reports and physical on-site markings. The opportunity is categorized under NAICS code 238910 and was posted on August 24, 2026. Interested parties must submit their responses by the deadline of October 22, 2026. Further details and solicitation information can be accessed through the Upper Occoquan Service Authority website.

Site Preparation Contractors

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 650+ contractors already using CLEATUS