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

LNG Modeling & Safety Consultant

Active

Federal

Response Deadline11/02/2026, 10:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

The LNG Modeling and Safety Consultant subcontract, issued by the Department of Transportation's 693JK3 Acquisition Services Division, focuses on source term modeling and siting analysis for Liquefied Natural Gas facilities. The selected provider will support prime contractors on PHMSA pipeline integrity projects by modeling non-steady state LNG releases and creating siting guidance for temporary and mobile facilities, specifically comparing prescriptive and performance-based maintenance approaches. This engagement requires specialized expertise in cryogenic fluid behavior, dispersion modeling, and LNG regulatory standards to deliver critical source term models and safety guidance. The project is based in Washington, DC, with a response deadline of November 2, 2026, and falls under NAICS code 541620.

General Info

LNG modeling and safety consulting for DOT PHMSA pipeline integrity and siting analysis.

Agency

Department Of Transportation → 693JK3 Acquisition Services DivisionView Agency

NAICS

541620 - Environmental Consulting ServicesView NAICS

Place of Performance

Washington, DC, 20590, USA

Set-Aside

NONE

Documents

This scope was carved out of 693JK326RA001.

The full solicitation package (9 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Pipeline Safety Research and Development (R&D) - Research Announcement 12

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 14

subcontract

Response DeadlineNov 2

Submission deadline

Response Deadline

11/02/2026, 10:00:00 PM UTCin about 2 months

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

AgencyDepartment Of Transportation → 693JK3 Acquisition Services Division

ContactsNo contacts available

OfficeN/A

Organization / Agency

Department Of Transportation → 693JK3 Acquisition Services Division

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Performs source term modeling and siting analysis for Liquefied Natural Gas (LNG) facilities for prime contractors on PHMSA pipeline integrity projects. Models non-steady state LNG releases and develops siting guidance for mobile and temporary facilities, comparing performance-based vs. prescriptive maintenance. Requires expertise in cryogenic fluid behavior, dispersion modeling, and LNG regulatory standards. Delivers source term models and siting guidance.

Similar Contracts

Same NAICS industry code

Environmental Consulting & Testing

FA4661 7 Cons Cd

POSTED

about 5 hours ago

DEADLINE

R10 START VI: Superfund Technical Assessment & Response Team (START) VI

Solicitation # 68HE0726R0037

POSTED

about 13 hours ago

DEADLINE

On-Site Biological Construction MonitoringThis subcontract for UC Santa Cruz requires the provision of real-time biological monitoring for prime contractors working on facility projects. The selected provider must maintain an on-site presence throughout construction phases to ensure strict adherence to biological mitigation plans and the maintenance of no-work buffers. Qualified candidates must possess biological monitoring experience and current OSHA construction site safety certifications. The scope of work includes the delivery of detailed monitoring logs and compliance reports. This opportunity was posted on September 14, 2026, with a response deadline of October 9, 2026, under NAICS code 541620.

POSTED

about 19 hours ago

DEADLINE

Special-Status Species Survey and Mitigation PlanningThis subcontract for UC Santa Cruz involves providing specialized biological surveys and mitigation planning for special-status plant and animal species on facility projects. The selected contractor will support prime contractors by performing pre-construction surveys, establishing no-work buffers, and developing comprehensive impact avoidance and mitigation plans. Success in this role requires expert knowledge of state and federal endangered species lists to ensure all activities comply with environmental regulations. The contractor is responsible for delivering detailed mitigation plans, buffer zone maps, and formal records of coordination with regulatory agencies. This opportunity is categorized under NAICS code 541620 and was posted on September 14, 2026, with a response deadline of October 9, 2026.

POSTED

about 19 hours ago

DEADLINE

Biological Resource Assessment and Technical ReportingThis subcontract for Biological Resource Assessment and Technical Reporting involves performing field-based biological resource assessments for prime contractors on UC Santa Cruz facility projects. The selected provider will conduct site surveys to identify biological resources and prepare formal technical reports to ensure full compliance with CEQA as well as local, state, and federal regulations. The scope of work requires the use of specialized field survey equipment and GIS mapping tools to deliver comprehensive resource assessment documentation. This opportunity is categorized under NAICS code 541620 and is associated with the agency of UC Santa Cruz in California, with a response deadline of October 9, 2026.

POSTED

about 19 hours ago

DEADLINE

RFQ - Biological Services for the Heller Student Housing Project

Solicitation # 4204BIO

The University of California, Santa Cruz Department of Physical Planning, Development and Operations is soliciting qualifications from biological consulting firms to provide environmental compliance support for the Heller Student Housing Project. Located on the former Family Student Housing site adjacent to Heller Drive, this major on-campus development requires services to ensure compliance with the California Environmental Quality Act and other local, state, and federal regulations. The scope of work includes field-based biological resource assessments, pre-construction surveys for special-status species, impact avoidance and mitigation planning, the preparation of technical reports, on-site construction monitoring, and the delivery of Worker Environmental Awareness Program training. The University intends to select up to three firms to provide these services on an as-needed basis under a Blanket Professional Services Agreement. The initial contract term is three years, with the possibility of two additional one-year extensions by mutual agreement. Interested firms must submit a Statement of Qualifications and related experience documentation using the University's standard forms via the UC Santa Cruz Online PlanRoom by 2:00 PM on October 9, 2026. Selection will be based on a review of qualifications and interviews with shortlisted firms.

POSTED

about 19 hours ago

DEADLINE

PFAS Compliance Design & Consulting Services

Solicitation # 26-60

The Port of Vancouver USA is issuing a Request for Qualifications under solicitation number 26-60 to secure a highly qualified consultant for PFAS Compliance Design and Consulting Services. The primary objective is to evaluate, develop, and design a treatment system that ensures compliance with applicable PFAS Maximum Contaminant Levels. The selected consultant will provide expert guidance on feasible treatment options and support the project through final design and construction. This is a one-step unsealing process open for bidding with a clarification deadline of October 7, 2026, and a final due date of October 21, 2026. A single contract may be awarded to a firm that demonstrates significant experience in the required activities. All proposals must be submitted in USD and adhere to the specified timeline to be considered for this professional services agreement.

Port of Vancouver USA

POSTED

about 20 hours ago

DEADLINE

in about 1 month

Airport Environmental Consulting ServicesThis subcontract for Airport Environmental Consulting Services supports the City of Sylvester by providing environmental assessments and compliance reviews for airport projects. The scope of work includes conducting noise studies, wetland delineations, environmental impact studies, and NEPA compliance reviews utilizing specialized sampling and analysis tools. The selected provider is responsible for delivering comprehensive environmental assessment reports and official compliance certifications. To qualify for this engagement, personnel must hold professional environmental certifications such as CEP or PE, in accordance with GDOT and federal aviation regulations. This opportunity falls under NAICS code 541620, with a response deadline of October 15, 2026.

City of Sylvester

POSTED

about 21 hours ago

DEADLINE

in about 1 month

Arboricultural Consulting & Quality AssuranceThe Arboricultural Consulting and Quality Assurance subcontract for the Mississippi Forestry Commission involves providing professional oversight and quality control for prime contractors on municipal projects. The selected provider is responsible for supervising planting activities to ensure mortality rates remain below 10 percent, conducting Spring inspections, and developing comprehensive municipal watering plans. Technical requirements include the use of GPS mapping tools to generate Project Planting Reports and the delivery of detailed GPS maps and watering plans. To qualify for this role, the contractor must hold a mandatory ISA-certified arborist certification. The solicitation was posted on September 14, 2026, with a response deadline of October 1, 2026.

MS FORESTRY COMMISSION

POSTED

about 23 hours ago

DEADLINE

HazMat Packaging and Labeling ServicesThis subcontract for HazMat Packaging and Labeling Services supports DLA Land and Maritime supply chain projects by providing specialized handling of hazardous materials. The contractor is responsible for identifying hazardous components, generating and verifying Safety Data Sheets, and ensuring all labeling and shipment markings comply with 29 CFR 1910.1200 and MIL-STD-129 standards. The final deliverable consists of compliantly labeled shipping containers and a complete HazMat documentation package. The project is managed under the Department of Defense for the Land Supply Chain agency and will be performed in San Diego, California. Classified under NAICS code 541620, the opportunity was posted on September 14, 2026, with a response deadline of September 25, 2026.

LAND SUPPLY CHAIN

POSTED

DEADLINE

HazMat Compliance and Labeling ServicesThe HazMat Compliance and Labeling Services subcontract, issued by the Department of Defense ASC Commodities Division, focuses on providing critical safety documentation and identification for prime contractors on DLA supply contracts. The selected provider will be responsible for identifying hazardous materials according to Federal Standard No. 313, creating hazard warning labels that conform to 29 CFR 1910.1200, and developing comprehensive Safety Data Sheets for all delivered materials. Execution of this contract requires specialized knowledge of DFARS 252.223-7001 and FAR 52.223-3 to ensure all deliverables meet strict federal regulatory standards. The performance of these services is centered in New Cumberland, Pennsylvania, under NAICS code 541620. Responses for this opportunity are due by September 22, 2026.

ASC COMMODITIES DIVISION

POSTED

DEADLINE

Net Zero Consultant for Jersey Airport, Channel Islands

Solicitation # C-CG26024

Ports of Jersey is seeking a single specialist consultant under solicitation C-CG26024 to provide Net Zero consultancy services for Jersey Airport. The project focuses on establishing energy and carbon baselines, identifying the residual Scope 1 and 2 emissions gap, and developing a transition plan away from HVO. The scope includes assessing energy efficiency across HVAC, BMS, lighting, and operational systems, creating a vehicle electrification and infrastructure strategy, and evaluating viable on-site renewable energy generation and storage. The primary deliverables are a prioritized, costed investment roadmap extending to 2030 and beyond, including planned maintenance, and a comprehensive knowledge transfer of tools and models to internal teams. The contract is estimated to have a total value of 100,000 pounds including VAT, with a performance period from 1 January 2027 to 31 December 2027. The award will be based on a quality-weighted evaluation focusing on references and case studies at 40 percent, organizational capability and resourcing at 40 percent, and independence and conflicts management at 20 percent. This opportunity is noted as particularly suitable for small and medium-sized enterprises. Tenders must be submitted electronically via the specified portal by the deadline of 9 October 2026.

Ports of Jersey

POSTED

DEADLINE

More opportunities from Department Of Transportation → 693JK3 Acquisition Services Division

Same awarding agency

Composite Materials ResearcherThe Department of Transportation, through the 693JK3 Acquisition Services Division, is seeking a Composite Materials Researcher for a subcontract focused on PHMSA pipeline integrity projects. The primary objective is to develop standardized evaluation methods and protocols to assess the effectiveness and longevity of composite wraps and reinforcements used on transmission pipelines. This work supports prime contractors by establishing consistent criteria for evaluating composite-reinforced pipeline rehabilitation. The successful candidate must possess specialized expertise in composite materials and pipeline rehabilitation to deliver these standardized protocols. The project is based in Washington, DC, with a response deadline of November 2, 2026. This opportunity falls under NAICS code 541715 and is designed to ensure the long-term integrity of critical pipeline infrastructure.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

in about 2 months

Real-Time Threat Detection Systems IntegratorThe Real-Time Threat Detection Systems Integrator subcontract, managed by the Department of Transportation's 693JK3 Acquisition Services Division, focuses on developing scalable technology to detect external threats and tampering for PHMSA pipeline integrity projects. The project involves implementing monitoring systems for gas, hazardous liquid, and LNG pipelines to identify unauthorized physical damage and tampering, ultimately delivering a validated real-time alert system. Qualified candidates must possess expertise in scalable real-time monitoring hardware, specifically utilizing fiber optic or acoustic sensing. This opportunity is categorized under NAICS code 561621 and is based in Washington, DC. Interested parties must submit their responses by the deadline of November 2, 2026.

Security Systems Services (except Locksmiths)

POSTED

DEADLINE

in about 2 months

AI/Automation Safety Developer (Human Factors)The AI/Automation Safety Developer subcontract, managed by the Department of Transportation's 693JK3 Acquisition Services Division, focuses on creating AI-driven supervisory systems to eliminate workmanship errors for prime contractors on PHMSA pipeline integrity projects. The project involves developing real-time AI monitors for field and control room personnel to provide continuous feedback and guidance until tasks are safely completed. The goal is to deliver a deployment-ready ecosystem reaching Technology Readiness Level 6 or 7 to ensure proactive operational safeguards. This effort requires specialized expertise in Human Factors Engineering, AI/Machine Learning, and real-time monitoring. The opportunity is categorized under NAICS code 541715 and is based in Washington, DC. Interested parties must submit their responses by the deadline of November 2, 2026.

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

POSTED

DEADLINE

in about 2 months

Leak Detection Systems EngineerThe Leak Detection Systems Engineer subcontract, issued by the Department of Transportation's 693JK3 Acquisition Services Division, focuses on enhancing liquid leak detection for PHMSA pipeline integrity projects. The primary objective is to develop advanced algorithms and filtering technologies that reduce false positives by distinguishing actual leaks from operational noise. This effort includes the creation of standardized protocols for external leak detection evaluation and the delivery of validated software or hardware protocols. Successful execution of this contract requires specialized expertise in signal processing, fluid dynamics, and leak detection sensor arrays. The project is based in Washington, DC, with a response deadline of November 2, 2026. Classified under NAICS code 541330, the initiative aims to provide prime contractors with more accurate and reliable leak detection capabilities.

Engineering Services

POSTED

DEADLINE

in about 2 months

Pipeline Inspection Data Analyst / Software DeveloperThis subcontract opportunity with the Department of Transportation's 693JK Acquisition Services Division seeks a Pipeline Inspection Data Analyst and Software Developer to support PHMSA pipeline integrity projects. The primary objective is to develop standardized data formats and correlation tools for In-Line Inspection (ILI), enabling prime contractors to perform run-to-run correlations by comparing data from different inspection periods over time. The selected provider must possess specialized experience with ILI data sets and data interoperability standards to deliver a comprehensive data format specification and a functional software tool for correlation. This project is based in Washington, DC, with a response deadline of November 2, 2026, and falls under NAICS code 541511.

Custom Computer Programming Services

POSTED

DEADLINE

in about 2 months

Nondestructive Evaluation (NDE) SpecialistThis subcontract opportunity with the Department of Transportation's 693JK3 Acquisition Services Division seeks a Nondestructive Evaluation Specialist to support PHMSA pipeline integrity projects. The selected provider will perform advanced material testing and evaluation of pipeline seams and material strength for prime contractors, focusing on aging pipeline steel. Key responsibilities include developing and applying NDE technologies—such as ultrasonic, radiographic, or electromagnetic testing—to assess seam toughness, fracture toughness, and length scale effects, culminating in the delivery of detailed technical validation reports. The project is categorized under NAICS code 541380 and is based in Washington, DC. Interested parties must submit their responses by November 2, 2026.

Testing Laboratories and Services

POSTED

DEADLINE

in about 2 months

Pipeline Safety Research and Development (R&D) - Research Announcement 12

Solicitation # 693JK326RA001

POSTED

DEADLINE

in about 2 months

Training Platform Hardware SupplyThe Training Platform Hardware Supply subcontract, managed by the Department of Transportation's 693JK3 Acquisition Services Division, focuses on providing high-performance hardware for prime contractors working on US DOT and PHMSA training platform projects. The scope of work includes the procurement and delivery of high-end GPUs, VR/AR headsets, and specialized computing workstations designed to support high-fidelity 3D simulations. All supplied hardware must be TAA compliant for US Government delivery and configured to meet specific simulation software requirements. This opportunity falls under NAICS code 423430, with a response deadline of September 28, 2026.

Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

POSTED

DEADLINE

FedRAMP Cloud Deployment & Cybersecurity ComplianceThis subcontract under the Department of Transportation's Acquisition Services Division focuses on the supply and configuration of cloud hosting environments for prime contractors supporting PHMSA training platform projects. The scope involves deploying platforms through SaaS, Hybrid, or On-Premise models utilizing FedRAMP-authorized cloud service providers such as Azure Government or AWS GovCloud. A primary objective of the contract is the implementation of CUI handling protocols and strict adherence to FAR Part 40 compliance to ensure a secure deployment. The final deliverable is a fully operational and secure cloud environment capable of hosting the specified training platform. This opportunity is categorized under NAICS code 541512 with a response deadline of September 28, 2026.

Computer Systems Design Services

POSTED

DEADLINE

Interactive Training Module & UX/UI DevelopmentThis subcontract opportunity with the Department of Transportation's 693JK3 Acquisition Services Division focuses on instructional design and interactivity engineering for PHMSA training platform projects. The selected provider will be responsible for creating the pedagogical structure and developing five to ten high-complexity interactive training modules, utilizing Figma or Adobe XD for UX/UI design. Key deliverables include user engagement workflows, UI/UX wireframes, and fully developed interactive modules that adhere to professional standards for interactive learning. The project falls under NAICS code 611430 and is managed by the Department of Transportation. Interested parties must note the response deadline of September 28, 2026, with the official posting date listed as September 9, 2026. The work involves supporting prime contractors to ensure high levels of user engagement and effective instructional delivery within the federal training environment.

Professional and Management Development Training

POSTED

DEADLINE

High-Fidelity 3D Modeling and Digital Twin EngineeringThis subcontract focuses on the development of high-fidelity 3D simulations and Digital Twins of industrial facilities to support US DOT and PHMSA training platform projects. The selected provider will utilize industry-standard tools such as Autodesk, Blender, Maya, Unreal Engine, or Unity to create detailed 3D assets and environments that accurately mirror real-world industrial infrastructure. All custom models produced under this agreement are subject to Government Purpose Rights. Managed by the 693JK3 Acquisition Services Division of the Department of Transportation, the project falls under NAICS code 541330. The primary deliverables include high-fidelity 3D models, environment assets, and functional Digital Twin simulations. The response deadline for this opportunity is September 28, 2026.

Engineering Services

POSTED

DEADLINE

Interactive Liquified Natural Gas (LNG) Training Platform Development

Solicitation # 693JK326RFI04

The Department of Transportation's Pipeline and Hazardous Materials Safety Administration is issuing a Request for Information to identify potential vendors for the development of an Interactive Liquified Natural Gas Training Platform. The goal is to create a high-fidelity, 3D immersive digital twin environment that allows inspectors to perform virtual plant walkdowns, review piping and instrumentation diagrams, and simulate complex operational scenarios to improve technical competency and safety oversight. Interested respondents must provide detailed company profiles, technical capabilities regarding 3D simulations, and their approach to integrating regulatory requirements into interactive learning. The agency is specifically seeking information on the use of commercial off-the-shelf software, cloud deployment models, cybersecurity compliance, and intellectual property rights. Submissions are due by September 28, 2026, and should include past performance examples and a non-binding estimate of the timeline and pricing for a platform featuring five to ten complex modules.

Custom Computer Programming Services

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 650+ contractors already using CLEATUS