This Subcontract opportunity from Virginia was posted on July 30, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Cost Estimating & Validation Services

Closed

State & Local

Submission Closed09/01/2026, 12:00:00 AM EDT

Contract Overview

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

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NAICS: 541690

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R--Technical Services Support

Solicitation # 89243126RSC000172

The Department of Energy Office of Science is soliciting a single contractor to provide comprehensive security support services in Oak Ridge, Tennessee. This 8(a) set-aside solicitation, under NAICS code 541690, supports the Office of Safety and Security, the Office of Science Consolidated Service Center, and the Oak Ridge Office of Environmental Management. The primary mission is to implement and administer Safeguards and Security programs to protect critical national security assets, including personnel, information, and Category I-IV Special Nuclear Material. The scope of work encompasses personnel security, industrial security, information security, and general program support, with a specific requirement to administer the personal identity verification and credentialing program under Homeland Security Presidential Directive-12. The contractor is responsible for providing a qualified Program Manager, designated as Key Personnel, and must implement a rigorous Quality Control Plan involving continuous measurements and inspections. Key deliverables include the quality assurance review of CSCS forms and the digitization of PSF and HSPD-12 files. All work must comply with DOE directives and federal, state, and local laws. Personnel must maintain appropriate access authorizations and manage various levels of sensitive data, including Classified Matter, Unclassified Controlled Nuclear Information, Export Controlled Information, and Personally Identifiable Information. The government will provide necessary workspace and access authorizations, while the contractor remains accountable for all safety and health program mandates.

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Antiterrorism Support Services

Solicitation # PANAPG27P0000057143

The Department of Defense, through the US Army Acquisition Support Center, is seeking a contractor to provide non-personal Antiterrorism Program support. This 8(a) set-aside opportunity, under NAICS code 541690, requires the contractor to provide all necessary personnel, equipment, facilities, and supervision to perform assessment, planning, and policy development. Key personnel must have completed or be capable of completing the US Army Antiterrorism Level II course. The work will be performed at Fort Belvoir, Virginia, and requires strict adherence to security requirements, including FAR 52.204-2 for access to classified information and FAR 52.204-9 for personal identity verification. The contractor is responsible for delivering a Quality Control Plan within 30 days of award and must meet specific performance standards, including strict report accuracy and timeliness for pre-visit actions and final reports. The government maintains unlimited rights to all produced materials and software source codes. Additionally, the contractor must manage government property according to FAR 52.245-1 and implement a mitigation plan for any potential Organizational Conflict of Interest. Interested parties must submit a statement of relevant capability with performance examples, not exceeding ten pages, to the designated points of contact by November 17, 2026.

W6QK Acc-Apg

POSTED

1 day ago

DEADLINE

in 6 days

AI Contract Overview

The contract seeks independent cost estimating and validation services aligned with key design milestones for a public transportation project managed by Virginia Railway Express. The scope includes developing an Owner’s Project Cost Committee (OPCC) estimate, reconciling budget variances throughout the design process, and providing technical support during Guaranteed Maximum Price (GMP) negotiations to ensure fiscal accountability and alignment with project objectives. All deliverables must be timely, accurate, and closely coordinated with the project’s evolving design phase to support informed decision-making and financial control. The opportunity is classified as a subcontract under NAICS code 541690 and was posted on July 30, 2026, with proposals due by September 1, 2026. The work is expected to be performed in support of Virginia Railway Express operations, though the specific location of performance is not defined. Interested parties must respond through the official procurement portal linked in the posting, and the contract does not include any set-aside provisions or special eligibility requirements beyond standard subcontracting obligations.

General Info

Independent cost estimation and validation for Virginia Railway Express project through design milestones and GMP negotiations.

Agency

Virginia Railway Express

NAICS

541690 - Other Scientific and Technical Consulting Services

Place of Performance

VA, USA

Set-Aside

NONE

Documents

This scope was carved out of 026-007.

The full solicitation package (12 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Cost Estimating and Cost Validation Services for L'Enfant Station and Fourth Track Improvements Project

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Timeline

PhaseClosed

PostedJul 30

subcontract

Response DeadlineSep 1

Deadline has passed

Submission Closed

09/01/2026, 12:00:00 AM EDT

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Organization & Contact Information

AgencyVirginia Railway Express

ContactsNo contacts available

OfficeN/A

Organization / AgencyVirginia Railway Express

Office AddressN/A

ContactsNo contact information available

Full Description

Provide independent cost estimating services aligned with design milestones, including development of OPCC, reconciliation of budget variances, and support for GMP negotiations.