Solutions & Services

Strategic Solutions.
Proven Expertise.

At Paschal, we pride ourselves in providing solutions, not problems, and strive to earn the spot as our clients’ most valuable partner. Our team excels in developing novel approaches to solve issues where others have failed. Our philosophy of ensuring safety through simple and efficient operation is invaluable in designing solutions that involve nuclear safety or criticality safety requirements. Additionally, Paschal excels in specialized nuclear engineering analyses, offering a diverse skill set to tackle any industrial challenge. Our unmatched expertise with UF6 and its byproducts includes extensive experience with the physicochemical nature of UF6 systems. By providing exceptional service and unparalleled expertise, Paschal consistently meets and exceeds client expectations, fostering long-term partnerships built on trust and success.

Nuclear Safety

Paschal leads in nuclear safety, offering comprehensive services in Nuclear Criticality Safety (NCS), Integrated Safety Analyses (ISA), and Safety Basis documentation. Our expert team ensures top-notch consulting services for DOE and NRC regulated clients, resulting in improved safety and compliance. We excel in developing criticality calculations, technical reviews, and safety analyses per NRC and DOE guidelines. With a focus on safety, reliability, and regulatory adherence, Paschal delivers innovative solutions that protect people and the environment, earning a reputation for excellence and long-term client satisfaction.

Nuclear Criticality Safety

Paschal has become renowned for offering top-notch Nuclear Criticality Safety (NCS) consulting services to DOE and NRC regulated clients, earning a reputation for excellence and reliability. Our approach to criticality safety has resulted in improved safety, a reduction of controls, satisfied customers, and long-term customer relationships. Our comprehensive NCS services include criticality calculations, rigorous analyses, technical reviews, code validation, implementation, program/procedure development, training, regulatory interface, assessments, triennial audits, and response to non-conforming conditions. By leveraging our extensive expertise and commitment to safety, we ensure that our clients achieve the highest standards of criticality safety and regulatory compliance, fostering a culture of continuous improvement and operational excellence.

Integrated Safety Analyses (NRC)

Paschal’s capabilities in Integrated Safety Analyses (ISA) encompass the development and implementation of comprehensive safety analyses in strict accordance with Nuclear Regulatory Commission (NRC) requirements and guidelines, including 10 CFR Part 70, NUREG-1513, and NUREG-1520. Our expert team ensures meticulous adherence to regulatory standards, integrating safety assessments with hazard identification and risk management to enhance the safety and reliability of nuclear facilities. We deliver robust safety solutions that address potential risks and ensure compliance with all applicable regulations, fostering a culture of safety excellence and operational integrity in the nuclear industry.

Safety Basis (DOE)

Paschal excels in developing and implementing comprehensive safety basis documentation in accordance with DOE, NNSA, and DoD requirements, including 10 CFR 830, DOE O 410.1, DOE O 413.3B, and DOE-STD-1189. Our capabilities encompass the creation of Technical Safety Requirements, Documented Safety Analyses, Safety Analysis Reports, Hazard Analysis Reports, and Probabilistic Risk Assessments. We provide these services for both new nuclear facilities and updates, modifications, and recategorizations of existing facilities. Our expert team ensures rigorous adherence to regulatory standards, enhancing safety and reliability. With a commitment to excellence and a deep understanding of regulatory frameworks, Paschal delivers robust safety solutions that meet the highest standards of the nuclear industry.

Specialized Engineering

Paschal stands out in the field of engineering with its unparalleled expertise and innovative approach. Our diverse range of technical knowledge covers Design Engineering, Fire Protection Engineering, Radiation Protection Engineering, and Non-Destructive Assay Engineering.

Shielding Analyses
Paschal boasts extensive expertise in performing radiation shielding analyses in support of equipment designs, Criticality Accident Alarm Systems (CAAS) detector placement, and emergency response. Our experienced team leverages state-of-the-art simulation tools and methodologies to ensure optimal protection and compliance with stringent safety standards. We conduct detailed assessments of radiation exposure scenarios, design tailored shielding solutions and provide recommendations to mitigate risks effectively.
Non-Destructive Assay Engineering
Paschal staff are uniquely qualified to provide technical support in situ characterization and gamma spectroscopy. Our expertise includes technical support in developing a quality program for NDA measurements. We provided oversight for the development of reference materials for in situ characterization and implemented a Performance Demonstration Program to ensure reliable in situ measurements in support of Decontamination and Decommissioning activities. Additionally, we performed independent assessments of NDA programs for determining radionuclide content in waste and process equipment and developed the technical basis for NDA neutron and gamma measurements for an operating uranium enrichment facility.
Fire Protection/Systems Engineering

Paschal excels in developing comprehensive Fire Hazard Analyses, conducting thorough initial condition assessments, and providing expert support for the design and operation of fire protection, alarm, and suppression systems. Our team conducts meticulous fire protection-related design reviews and supports fire protection system upgrades, ensuring robust safety measures and regulatory compliance. With a commitment to excellence and safety, we deliver tailored solutions that protect personnel and assets in high-risk environments.

Engineering Design Reviews
Paschal deploys multi-discipline engineering teams to conduct rigorous design reviews. Our expert teams ensure that designs meet stringent safety and quality standards, providing valuable insights and recommendations to enhance project outcomes. Through detailed evaluations and strategic guidance, we support clients in achieving successful project execution and regulatory compliance.
Project Management and Controls
Paschal has a proven ability to agilely provide high-quality project management and controls resources, including project managers, project controls professionals, cost estimators, and schedulers, to support major capital construction projects. Our expertise in project planning, execution, and monitoring ensures that projects are completed on time, within budget, and to the highest standards of quality and safety. With a focus on efficiency and precision, we deliver exceptional project management and control services that drive project success.

Nuclear Material Control and Accountability

Paschal leads in Nuclear Material Control and Accountability (NMC&A), offering comprehensive programs and innovative software solutions. We excel in developing, reviewing, and assessing NMC&A programs and providing robust nuclear materials inventory support.

Material Control and Accountability
Paschal excels in the development, review, and assessment of comprehensive NMC&A programs, along with providing nuclear materials inventory support. Our expertise includes the creation of the NMC&A program for the first Category II fuel cycle facility to be licensed in the United States. Our capabilities ensure robust compliance with regulatory requirements and enhance the overall safety and security of nuclear materials.
Material Control and Accountability Software
Paschal offers exceptional capabilities in the implementation of NMC&A programs, including the development of sophisticated accountability software. Our solutions streamline the management and tracking of nuclear materials, ensuring precise and reliable control. Our software development expertise supports seamless integration with existing systems, enhancing the efficiency and accuracy of NMC&A operations.

Readiness & Quality Assurance

Paschal delivers unparalleled operational readiness and quality assurance services that elevate performance and reliability to new heights. Our expert team conducts thorough assessments, readiness reviews, and mentoring, driving continuous improvement and operational excellence. Our quality assurance specialists rigorously evaluate suppliers, perform detailed assessments, and address quality control concerns, ensuring the highest standards. Partner with Paschal to experience unmatched dedication to superior operational and quality standards, making us your trusted ally in achieving success and safety.

Operational Readiness
Paschal excels in operational readiness, with staff actively participating in management assessments and operational readiness reviews to ensure optimal performance and safety. We provide conduct of operations mentoring, share valuable lessons learned, and perform comprehensive reviews and assessments to enhance operational efficiency. Our team’s deep expertise and commitment to excellence ensure that we deliver actionable insights and strategic guidance, fostering a culture of continuous improvement and operational resilience. With a focus on safety and reliability, Paschal stands as a trusted partner in achieving and maintaining high standards of operational readiness.
Quality Assurance
Paschal’s quality assurance experts excel in conducting comprehensive quality and quality management support tasks, rigorously evaluating approved suppliers, performing detailed assessments, and thoroughly investigating quality assurance/quality control concerns. Our team’s commitment to excellence ensures that all processes and products meet the highest standards of quality and reliability. Through meticulous evaluation and proactive quality management, we identify potential issues and implement effective solutions, fostering continuous improvement and operational efficiency. With Paschal, clients can trust in our unwavering dedication to maintaining superior quality standards in all aspects of their operations.

Nuclear Energy

Paschal offers unparalleled expertise in regulatory compliance and licensing, providing strategic guidance and comprehensive support to navigate complex regulatory landscapes. 

Regulatory Licensing

Regulatory / Licensing

Paschal offers unparalleled expertise in regulatory compliance and licensing, providing strategic guidance and comprehensive support to navigate complex regulatory landscapes. Our dedicated team ensures clients meet all necessary regulatory requirements and secure essential licenses to operate efficiently and legally. We guide clients through intricate regulatory requirements, assist with licensing applications, craft tailored regulatory strategies, and provide support during regulatory audits and inspections. We develop robust policies and procedures, offer specialized training programs, act as a liaison with regulatory authorities, identify and mitigate regulatory risks, and ensure accurate documentation and reporting. Our commitment to regulatory excellence enables clients to confidently navigate regulatory challenges and focus on their core business operations.

Trusted Solutions for Complex Challenges

At Paschal, we don’t just provide services—we deliver strategic solutions that drive safety, efficiency, and compliance in the most complex regulatory environments. Whether you need expert nuclear safety consulting, engineering innovation, or mission assurance support, our team is ready to partner with you for success.