This Subcontract opportunity from California was posted on May 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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AAM/UAM Planning and Feasibility Studies

Closed

State & Local

Submission Closed06/26/2026, 04:30:00 PM PDT

Contract Overview

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

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NAICS: 541620

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International

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Gwinnett County Government

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Stream Mitigation Credit ProviderThis subcontract agreement establishes a partnership for the provision of 450 stream mitigation credits to support prime contractors working on Loudoun County projects, with a specific focus on the Lightridge Park development. The provider is responsible for delivering these credits from a mitigation bank and must submit a current credit ledger along with a Primary Service Area map. The formalization of this arrangement requires the execution of an Agreement for Credit Purchase and Sale. To ensure regulatory compliance, the transfer of credits is subject to approval from the Virginia Department of Environmental Quality and the U.S. Army Corps of Engineers. The contract falls under NAICS code 541620 and is managed by Loudoun County, Virginia, with a response deadline set for December 15, 2026.

POSTED

DEADLINE

Purchase of Stream Mitigation Credits for Lightridge Park, RFQ 719029

Solicitation # RFQ 719029

Loudoun County, Virginia, is soliciting bids under RFQ 719029 for the purchase of an estimated 450 stream mitigation credits to provide compensatory mitigation for stream impacts associated with the construction of Lightridge Park. To be eligible, bidders must be owners or authorized representatives of mitigation banks approved by the U.S. Army Corps of Engineers (USACE) and the Virginia Department of Environmental Quality (DEQ). Credits must be calculated using the Unified Stream Methodology (USM) or Stream Condition Units (SCUs) and must be released and available for sale at the time of bid opening. Furthermore, the bank's approved service area must include the Upper Bull Run watershed, specifically Hydrologic Unit Code (HUC) 020700100701. The final quantity of credits will be determined by the requirements of USACE State Program General Permit No. NAO-2026-01685 and DEQ Virginia Water Protection Permit No. WP4-26-1792. The contract will be awarded to the lowest responsive and responsible bidders based on unit cost, with the County reserving the right to award multiple contracts if a single bidder cannot provide the full quantity of credits. Bids must be submitted by December 15, 2026, and must include a W-9 form and Proof of Authority to Transact Business in Virginia. Required submissions include one physical hard copy and one electronic PDF copy on a USB flash drive. Upon award, the contractor must provide a written letter of credit availability and an executed purchase agreement within seven calendar days of the purchase order, followed by a Bill of Sale and verification of conveyance to USACE and DEQ within ten calendar days of payment.

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Wetland Mitigation Credit ProviderThis subcontract opportunity with the South Dakota State Government seeks a recognized mitigation bank entity to provide certified wetland mitigation credits for prime contractors working on state transportation projects. The scope specifically includes project PCN 01VA – 08DJ – 08DK as well as other initiatives listed in the State Transportation Improvement Program. All provided credits must strictly adhere to USACE 404 Permit and EO11990 standards to ensure environmental compliance. The selected provider is required to maintain Commercial General Liability insurance of at least 1,000,000 dollars. Key deliverables for the contract include the provision of a Bill of Sale and the necessary notifications of acceptance from the USACE and FHWA. Interested parties must submit their responses by December 3, 2026.

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Urban Design and Historic Preservation ConsultantThe Spalding County Board of Commissioners in Georgia is seeking an Urban Design and Historic Preservation Consultant for a subcontracting opportunity. The selected consultant will be responsible for establishing visual and physical standards for the built environment to guide prime contractors on county projects. Key deliverables include the creation of form-based codes and historic preservation standards, as well as the production of supporting graphics, illustrations, and diagrams to help visualize Unified Development Ordinance requirements. Qualified candidates must possess specialized expertise in urban design, historic preservation, or form-based coding. This opportunity was posted on November 13, 2026, with a response deadline of December 15, 2026. The project falls under NAICS code 541620 and focuses on enhancing the architectural and historical integrity of the local environment through detailed design standards and visual documentation.

Spalding County Board of Commissioners

POSTED

about 13 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This contract involves performing feasibility and planning studies focused on Advanced Air Mobility (AAM) and Urban Air Mobility (UAM) operations. The work includes evaluating eVTOL (electric vertical takeoff and landing) infrastructure and associated charging systems, addressing critical factors for the implementation and development of these emerging transportation technologies. The contract is a subcontract opportunity under the NAICS code 541620, which pertains to environmental consulting services, and is managed by the Public Works department of California. Issued in late May 2026, the contract submission deadline is set for late June 2026, providing about a month for interested parties to respond. While some details such as agency location and point of contact are not specified, the solicitation aligns with efforts to support advanced transportation solutions in urban environments. It integrates technical research and logistical planning to help shape the future deployment of electric air mobility infrastructure, emphasizing sustainability and innovative transit options.

General Info

Feasibility and planning studies for eVTOL infrastructure and charging systems in urban air mobility.

Agency

California → Public Works

NAICS

541620 - Environmental Consulting Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 2526-RFQ-012.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

PROFESSIONAL ARCHITECTURAL/ENGINEERING/PLANNING/ENVIRONMENTAL SERVICES INVOLVING DESIGNATED CAPITAL IMPROVEMENT PROGRAM PROJECTS AT FULLERTON MUNICIPAL AIRPORT

AI Contract Breakdown

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Timeline

PhaseClosed

PostedMay 29

subcontract

Response DeadlineJun 26

Deadline has passed

Submission Closed

06/26/2026, 04:30:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → Public Works

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Public Works

Office AddressN/A

ContactsNo contact information available

Full Description

Conduct feasibility and planning studies for Advanced Air Mobility (AAM) and Urban Air Mobility (UAM) operations, including eVTOL infrastructure and charging systems.