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 30 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Environmental BMPs and Wetland Credit Bank Construction

Active

State & Local

Response Deadline10/29/2026, 08:00:00 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 Loudoun County in Virginia focuses on the installation of environmental features and the construction of wetland and nutrient credit banks for prime contractors on park projects. The scope of work includes the construction of stormwater Best Management Practices, the implementation of environmental protection measures, and the execution of wetland creation and restoration to generate certified nutrient credits. To achieve these goals, the contractor will utilize specialized planting materials, erosion control blankets, and wetland-specific soil amendments to deliver functional BMP systems. The solicitation was posted on September 23, 2026, with a response deadline of October 29, 2026, falling under NAICS code 541620.

General Info

Loudoun County subcontract for environmental features, wetland construction, and nutrient credit bank installation.

Agency

Virginia → Loudoun County

NAICS

541620 - Environmental Consulting Services

Place of Performance

Not specified

Set-Aside

NONE

Documents

This scope was carved out of RFQ 692007.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Construction of the Westpark Improvements, RFQ 692007

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

PostedSep 23

subcontract

Response DeadlineOct 29

Submission deadline

Response Deadline

10/29/2026, 08:00:00 PM UTCin about 1 month

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 → Loudoun County

ContactsNo contacts available

OfficeN/A

Organization / AgencyVirginia → Loudoun County

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Installs environmental features and constructs wetland/nutrient credit banks for prime contractors on Loudoun County park projects. Constructs stormwater Best Management Practices (BMPs), performs wetland creation and restoration to generate nutrient credits, and implements environmental protection measures. Uses specialized planting materials, erosion control blankets, and wetland-specific soil amendments. Delivers functional BMP systems and a certified bank of credits.

Similar Contracts

Same NAICS industry code

Biological Monitoring/ServicesFlatiron Dragados Constructors, Inc. is seeking a subcontractor for biological monitoring and environmental compliance services on City of San Diego sewer and water main projects. The selected provider will be responsible for delivering on-site biological oversight to protect species and habitats during construction, as well as providing necessary compliance certifications and monitoring reports. This subcontract opportunity is specifically set aside for Women-Owned Small Businesses and Disadvantaged Business Enterprises under NAICS code 541620. Interested parties must submit their responses by October 28, 2026.

Flatiron Dragados Constructors, Inc.

POSTED

about 7 hours ago

DEADLINE

in about 1 month

Environmental Testing ConsultantThe Los Angeles County Office of Education is seeking an Environmental Testing Consultant for a subcontract focused on facility projects in Downey, California. The selected consultant will be responsible for testing imported and exported earth materials for prime contractors to ensure environmental compliance of soil and fill materials. Key deliverables include the provision of comprehensive environmental testing reports and official certifications. This opportunity is categorized under NAICS code 541620. The solicitation was posted on September 25, 2026, with a response deadline of October 16, 2026. Interested parties can find further details through the provided bid portal link.

Los Angeles County Office of Education

POSTED

about 8 hours ago

DEADLINE

High-Level Energy Audit for Warehouses and Modular OfficesThis subcontract involves performing high-level energy audits for warehouses and modular office buildings located at The Pirbright Institute. The selected provider will work with prime contractors to conduct site walkthroughs and analyze energy consumption patterns specifically related to lighting, heating, and cooling systems within these structures to identify potential efficiency gains. The primary deliverable is a comprehensive energy audit report that highlights existing performance gaps. This opportunity falls under NAICS code 541620 and was posted on September 25, 2026, with a response deadline of October 1, 2026.

The Pirbright Institute

POSTED

about 8 hours ago

DEADLINE

Energy Centre Utilities and Metering AnalysisThis subcontract for The Pirbright Institute involves performing comprehensive energy centre utility and metering analysis to support prime contractors on site energy projects. The scope of work includes analyzing energy sources and sinks, developing strategic metering plans, and evaluating how new buildings and on-site generation affect the energy baseline to pinpoint performance gaps. The successful provider will deliver a detailed report outlining energy source and sink specifics along with actionable recommendations for improvement. This project falls under NAICS code 541620, with a response deadline set for October 1, 2026.

The Pirbright Institute

POSTED

about 8 hours ago

DEADLINE

Site Energy Project Development Services

Solicitation # 2026/S 000-091132

The Pirbright Institute is seeking a single supplier for the Site Energy Project Development Services contract, solicitation number 2026/S 000-091132. The objective is to conduct comprehensive energy assessments and produce detailed reports to identify energy efficiency improvements and reduce operational costs. The scope of work includes analyzing energy centre utilities and metering strategies, performing project opportunity studies for chilled water and compressed air, conducting high-level energy audits for warehouses and modular office buildings, and reviewing site building management systems and submetering. The selected supplier will be responsible for attending project progress meetings and managing any subcontractors employed to complete the works. The contract has an estimated value of 51,000 GBP excluding VAT, with a performance period running from 2 November 2026 to 30 April 2027. Deliverables consist of detailed reports for each work package specifying energy sources, sinks, and performance gaps, as well as recommendations that account for the impact of new buildings, on-site generation, and combined steam systems on the energy baseline. Award decisions will be based on a weighted evaluation of 65 percent quality and 35 percent price. The submission deadline for this opportunity is 1 October 2026.

The Pirbright Institute

POSTED

about 8 hours ago

DEADLINE

Sewer Flow Monitoring & Field Data CollectionThe City of Torrance Public Works Department is seeking a subcontractor for sewer flow monitoring and field data collection. The selected provider will be responsible for the supply, installation, deployment, and retrieval of at least 18 flow monitors, specifically utilizing area-velocity meters and data loggers to monitor sanitary sewer overflow locations. All activities must strictly comply with the State Water Board Sanitary Sewer Systems General Order, and the contractor is required to deliver comprehensive flow monitoring data reports. This subcontract opportunity is based in Torrance, California, under NAICS code 541620. Interested parties must submit their responses by the deadline of October 21, 2026.

City of Torrance, Public Works Department

POSTED

about 8 hours ago

DEADLINE

Safety & Environmental Planning IntegrationThis subcontract for the City of Jackson in Tennessee focuses on safety and environmental planning integration for planning projects involving the Jackson Area MPO. The selected provider will perform consistency analyses with conservation and preservation plans and integrate safety elements that align with the Tennessee Strategic Highway Safety Plan. These tasks will be executed using specialized environmental and safety impact analysis tools. The primary deliverable for this engagement is the production of safety and conservation integration reports for the Long Range Transportation Plan. The opportunity is categorized under NAICS code 541620, with a response deadline of October 13, 2026.

City of Jackson

POSTED

about 9 hours ago

DEADLINE

Oceanographic and Environmental Sampling ServicesThe Oceanographic and Environmental Sampling Services subcontract, managed by the Department of the Interior's Acquisition Management Division, provides critical scientific research and environmental monitoring for prime contractors operating on Atlantic Outer Continental Shelf projects. The scope of work involves performing oceanographic sampling and marine wildlife observations utilizing specialized equipment such as CTDs and water samplers, while ensuring all activities adhere to strict environmental sampling protocols. The contractor is responsible for managing sample storage within modular laboratory spaces equipped with necessary refrigeration and containment systems. Key deliverables include the provision of collected samples, detailed scientific data reports, and comprehensive wildlife observation logs. This opportunity falls under NAICS code 541620 and has a response deadline of October 26, 2026.

Acquisition Management Division

POSTED

about 11 hours ago

DEADLINE

in about 1 month

Stormwater Pollution Prevention Plan (SWPPP) ImplementationThis subcontract focuses on managing stormwater compliance for prime contractors involved in residential development projects for the City of Santa Clara. The primary objective is the implementation of the NPDES General Permit through the development of a Stormwater Pollution Prevention Plan and strict adherence to the SCVURPPP C.3 Stormwater Handbook and City Code Chapter 15.15. The scope of work includes the deployment of erosion control materials and runoff monitoring equipment to ensure environmental standards are met. Key deliverables for the contract include the submission of an approved SWPPP and the provision of detailed compliance reports. The project is associated with NAICS code 541620 and is located in the 95050 zip code area.

City of Santa Clara

POSTED

about 16 hours ago

DEADLINE

Stormwater Pollution Prevention Plan (SWPPP) ServicesThis subcontract for Stormwater Pollution Prevention Plan services involves providing stormwater compliance and monitoring for prime contractors on IEUA facility projects located in Chino and Chino Hills, California. The scope of work includes implementing SWPPP measures, conducting regular site inspections, and managing reporting to prevent pollution and ensure compliant site runoff management during construction. The opportunity is designated as a subcontract under NAICS code 541620 and is open to various small business set-asides, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned small businesses. The solicitation was posted on September 25, 2026, with a response deadline of October 29, 2026, and is associated with the agency Filanc.

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Environmental Data Analysis & GHG ReportingThis subcontract for Metro Vancouver focuses on environmental data analysis and GHG reporting for projects within the Greater Vancouver Sewer and Drainage District. The selected provider will support prime contractors by tracking rescued food tonnage, calculating the financial value of recovered food, estimating the number of meals created, and determining avoided greenhouse gas emissions through specialized accounting software and environmental impact modeling. All activities must strictly adhere to the CSA K100 Canadian Standard for Food Loss and Waste Measuring and Monitoring. The primary deliverables include the production of annual network data reports and the tracking of key performance metrics. The solicitation was posted on September 24, 2026, with a response deadline of October 22, 2026, under NAICS code 541620.

Metro Vancouver

POSTED

DEADLINE

Wastewater Chemical Application SpecialistThe Wastewater Chemical Application Specialist subcontract involves providing technical consulting services for prime contractors working on projects for OC Waste & Recycling in California. The primary objective is to optimize the use of organic defoamers within wastewater infrastructure by determining precise dosage rates, identifying ideal dosing locations, and establishing effective application methods. The scope of work includes conducting field testing and providing implementation support through the use of chemical concentration analysis and foam measurement equipment. The final deliverable consists of validated dosage and application protocols. This opportunity was posted on September 24, 2026, with a response deadline of October 23, 2026, falling under NAICS code 541620.

OC Waste & Recycling

POSTED

DEADLINE

More opportunities from Virginia → Loudoun County

Same awarding agency

Native Plant & Seed SupplierThis subcontract opportunity with Loudoun County, Virginia, is for a Native Plant and Seed Supplier to support prime contractors on stormwater pond retrofit projects. The selected supplier will be responsible for sourcing and delivering high-quality native riparian plants, deep-rooted species, live stakes, and stabilization grass seed that adhere to specific ecological project requirements. The supplier is tasked with the delivery of all specified plant materials and seed directly to the project sites. Interested parties should note that the response deadline for this opportunity is October 30, 2026, and the contract falls under NAICS code 113210.

Forest Nurseries and Gathering of Forest Products

POSTED

DEADLINE

in about 1 month

Riparian Vegetation & Wetland RestorationThis subcontract opportunity with Loudoun County, Virginia, focuses on riparian vegetation and wetland restoration for stormwater pond retrofit projects. The selected provider will work with prime contractors to install native riparian vegetation and stabilization measures, including the planting of wetland species, deep-rooted native plants, and live stakes. Additionally, the scope includes the installation of both temporary and permanent stabilization mats and grasses to ensure a fully stabilized pond perimeter and wetland area. Applicants must possess a thorough understanding of riparian restoration standards to successfully deliver these environmental improvements. The solicitation was posted on September 23, 2026, with a response deadline of October 30, 2026. This project falls under NAICS code 561730 and is designed to restore critical ecological functions within the county's stormwater infrastructure.

Landscaping Services

POSTED

DEADLINE

in about 1 month

Water Management & Dewatering ServicesThis subcontract for Water Management and Dewatering Services supports prime contractors on stormwater pond retrofit projects within Loudoun County, Virginia. The scope of work focuses on maintaining pond water levels and managing water flow through the installation and operation of clean-water, dirty-water, and bypass pumping systems. These efforts ensure that work areas remain dry and that runoff is managed in strict accordance with environmental discharge regulations. The opportunity is categorized under NAICS code 238910 and was posted on September 23, 2026, with a response deadline of October 30, 2026. The primary objective is to provide continuous water level maintenance and effective stormwater bypass to facilitate the successful completion of county infrastructure improvements.

Site Preparation Contractors

POSTED

DEADLINE

in about 1 month

High-Accuracy Earthwork & GradingThis subcontract for Loudoun County, Virginia, focuses on high-accuracy earthwork and grading for stormwater pond retrofit projects. The selected provider will support prime contractors by performing specialized site-civil excavation and precision grading, utilizing GPS-guided machinery and high-accuracy equipment to ensure all work meets strict technical specifications and project plans. The opportunity is categorized under NAICS code 238910 and was posted on September 23, 2026, with a response deadline of October 30, 2026. The primary objective is the delivery of a fully excavated pond structure and a completed graded site that adheres to the specific engineering requirements of the county.

Site Preparation Contractors

POSTED

DEADLINE

in about 1 month

MD1745 Stormwater Pond Retrofit, RFQ 715024

Solicitation # RFQ 715024

Loudoun County, Virginia, issued Invitation for Bid RFQ 715024 to secure a qualified General Contractor for the MD1745 Stormwater Pond Retrofit project located in Sterling. The scope of work involves converting a Level I Wet Pond into wetlands, which includes the removal and disposal of approximately 4,200 cubic yards of cut material, the installation of a sediment forebay, a plunge pool, and a deep plunge pool, the construction of three wetland cells with intercell berms and a flow channel, and the installation of native riparian landscape plantings. The project requires high-accuracy excavation, grading, and specialized water management using various pumping systems to maintain pond levels. Eligible bidders must hold a Class A Virginia Contractor registration and demonstrate a track record of success with similar stormwater or wetland projects, providing three references with a minimum construction cost of 500,000 dollars each from the last seven years. The contractor must assign a full-time Superintendent with at least 10 years of relevant experience, a valid Responsible Land Disturber certification, and OSHA-30 training. The contract is subject to Virginia prevailing wage laws and requires 100 percent performance and payment bonds. Bids are due by 4:00 p.m. on October 30, 2026, and must be submitted to the Loudoun County Government Offices in Leesburg.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

in about 1 month

Construction Quality Control (CQC) ManagementThis subcontract for Loudoun County in Virginia focuses on providing Construction Quality Control management for prime contractors working on park projects. The selected provider is responsible for developing and implementing a comprehensive CQC system, performing detailed inspections to ensure all work meets quality requirements, and managing the processing of submittals, shop drawings, and product data. A key requirement of the contract is the appointment of a competent CQC System Manager in accordance with Division 01 standards. The provider must deliver regular quality control reports and verify that all project elements comply with the established specifications. The response deadline for this opportunity is October 29, 2026.

Engineering Services

POSTED

DEADLINE

in about 1 month

Park Restroom ConstructionThis subcontract for Loudoun County, Virginia, involves the construction of park restroom facilities. The scope of work includes foundation pouring, structural framing, electrical wiring and lighting, and the installation of waste lines and plumbing fixtures. To ensure the delivery of fully operational facilities, the project requires the use of licensed plumbing and electrical contractors. The opportunity was posted on September 23, 2026, with a response deadline of October 29, 2026. Classified under NAICS code 236220, the contract is designed for subcontractors working under prime contractors on county park projects. Interested parties can find further details through the Loudoun County bids portal.

Commercial and Institutional Building Construction

POSTED

DEADLINE

in about 1 month

Parking Lot InstallationThis subcontract for Loudoun County in Virginia involves the construction of parking facilities for prime contractors on various county park projects. The scope of work includes sub-grade preparation and compaction, the installation of base courses, and surface paving using either asphalt or concrete, concluding with the installation of necessary striping and signage. Qualified providers must hold the required paving licenses and ensure all work adheres strictly to County specifications to deliver a completed parking area. The solicitation was posted on September 23, 2026, with a response deadline of October 29, 2026, falling under NAICS code 237310.

Highway, Street, and Bridge Construction

POSTED

DEADLINE

in about 1 month

Site Development and Passive Park ConstructionThis subcontract for Site Development and Passive Park Construction involves providing general site grading, land clearing, and development services for prime contractors on Loudoun County passive park projects. The scope of work includes clearing former golf course areas, performing earthwork to establish park topography, coordinating utility locations with Miss Utility, and managing traffic safety on adjacent public roads. These operations require the use of heavy earthmoving equipment such as excavators, dozers, and graders to deliver a site fully prepared for park features. The project is associated with NAICS code 237999 and is managed by Loudoun County in Virginia. The solicitation was posted on September 23, 2026, with a response deadline of October 29, 2026.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

in about 1 month

Construction of the Westpark Improvements, RFQ 692007

Solicitation # RFQ 692007

Loudoun County, Virginia, is seeking a qualified General Contractor through Invitation for Bid RFQ 692007 to execute the Westpark Improvements project. The project involves transforming approximately 133.46 acres of the former Westpark Golf Course in the Town of Leesburg into a passive park. Key construction elements include the development of parking facilities, restrooms, and environmental features focused on best management practices and the creation of a wetland and nutrient credit bank. The contract requires the contractor to provide all necessary labor, materials, and equipment, including a competent superintendent with at least 10 years of experience. Substantial completion must be achieved within 548 calendar days from the date of the Notice to Proceed. The contract will be awarded to the lowest responsive and responsible bidder based on a lump sum bid. Eligible bidders must be prequalified through RFQ 683913 and hold a Virginia Class A Contractor license. Submission requirements include a W-9 form, a bid bond of at least five percent of the bid amount, and verification of bonding capacity from a surety with an A.M. Best rating of A or better. The project is subject to Virginia prevailing wage laws and strict adherence to local noise and work hour ordinances due to its proximity to residential areas. Bids must be submitted electronically via the iSupplier portal by October 29, 2026, at 4:00 PM.

Other Heavy and Civil Engineering Construction

POSTED

DEADLINE

in about 1 month

Traffic Analysis and Modeling Sub-consultantThis subcontract opportunity is for a Traffic Analysis and Modeling Sub-consultant to support prime contractors on Route 15 widening projects in Loudoun County, Virginia. The selected provider will be responsible for performing technical traffic operations and safety evaluations, which includes developing and executing VISSIM models to analyze current and future traffic conditions and performing volume projections. The role requires specialized expertise in VISSIM modeling to deliver comprehensive traffic analysis reports, model results, and safety evaluation summaries. This opportunity falls under NAICS code 541330, with a response deadline of October 22, 2026.

Engineering Services

POSTED

DEADLINE

Public Involvement and Stakeholder Engagement SpecialistThis subcontract opportunity is for a Public Involvement and Stakeholder Engagement Specialist to support prime contractors on transportation projects within Loudoun County, Virginia. The selected specialist will be responsible for leading public information meetings, engaging with civic organizations and property owners, and managing online surveys specifically for rural and historic areas. Key deliverables include the creation of communication exhibits, the production of public meeting reports, and the maintenance of detailed stakeholder engagement logs. The solicitation was posted on September 21, 2026, with a response deadline of October 22, 2026. This project falls under NAICS code 541820 and is managed by Loudoun County. Interested parties can find further details through the official Loudoun County bids portal.

Public Relations Agencies

POSTED

DEADLINE

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