Cause & Effect (C&E) diagrams show the relationship between sensor inputs and their required outputs. C&Es provide a clear and concise visual representation in tabular form, allowing users to quickly and easily view multiple functions within a process area or logic solver. They are commonly used as functional specifications for PLC-based programs, such as a Safety Requirement Specification (SRS) for a Safety Instrumented System (SIS). As such, they are of critical importance to successful implementation of the Safety Instrumented Functions (SIFs) in any functional safety project. While C&Es are not directly required by the ANSI/ISA-61511-2-2018 / IEC 61511-2:2016 standard, they are often included as an extension of the SRS, making them a part of the Safety Lifecycle. aeSolutions C&E diagrams use standard industry terms or terms that the client has clearly defined and are named, formatted, tracked, issued, controlled, and checked per aeSolutions company procedures unless superseded by specific client requirements. Our C&E templates have been developed from many years of experience to optimize ease-of-use for configuration, testing, operator training and turnover effectiveness. In cases where the functional complexity exceeds the capacity of C&Es, our staff is capable of selecting the most efficient alternate format. Acronyms & Terms Glossary <- More Definitions Cause and Effect Cause & Effect (C&E) diagrams show the relationship between sensor inputs and their required outputs. C&Es provide a clear and concise visual representation in tabular form, allowing users to quickly and easily view multiple functions within a process area or logic solver. They are commonly used as functional specifications for PLC-based programs, such as a Safety Requirement Specification (SRS) for a Safety Instrumented System (SIS). As such, they are of critical importance to successful implementation of the Safety Instrumented Functions (SIFs) in any functional safety project. While C&Es are not directly required by the ANSI/ISA-61511-2-2018 / IEC 61511-2:2016 standard, they are often included as an extension of the SRS, making them a part of the Safety Lifecycle. aeSolutions C&E diagrams use standard industry terms or terms that the client has clearly defined and are named, formatted, tracked, issued, controlled, and checked per aeSolutions company procedures unless superseded by specific client requirements. Our C&E templates have been developed from many years of experience to optimize ease-of-use for configuration, testing, operator training and turnover effectiveness. In cases where the functional complexity exceeds the capacity of C&Es, our staff is capable of selecting the most efficient alternate format. Our Services Whitepaper: The Courage to Intervene | Developing Ethical Leadership in the Next Generation of Process Safety Professionals As the process industries experience the “great shift change,” developing the next generation of leaders requires more than technical competence. It demands ethical courage and the ability to influence others to uphold process safety under pressure. This paper explores how ethical decision-making and leadership behaviors can be intentionally developed through structured case-based learning derived from real engineering failures. aeSolutions Recognized with 2026 CSIA Social Responsibility Award aeSolutions is proud to share that we were recognized with the 2026 Social Responsibility Award at the 2026 CSIA Awards, held during the Control System Integrators Association Conference in Baltimore, Maryland. Whitepaper: Six Feet Under | How to Dig Yourself Out of a Recommendations Graveyard Have you felt buried under six feet of safety study recommendations that must be closed? Does it feel impossible to follow Recognized and Generally Accepted Good Engineering Practices (RAGAGEPs) to convert recommendations into engineered design reality? You are not alone.

We know that our success is a result of having talented, dedicated and passionate team members driving our projects. If working for a company that takes on complex challenges in nearly every capacity interests you, we would love to talk to you about possible career with us. work environment. Working at aeSolutions View Current Openings > At aeSolutions, our team members solve some of the most complex automation and process safety engineering challenges in industry. We foster a collaborative work environment comprised of talented and dedicated individuals who strive to realize their full potential while also contributing to the success of our clients. We lead the way in critical fields that others avoid by staying authentic to our core values – Results-Driven, Inclusive, and Relentless. Employees Are VALUED At aeSolutions you won’t get lost in the crowd. Each employee’s contribution makes a difference and helps us improve industry and guide clients to increasingly resilient operations and safer communities. Employees Are CHALLENGED We provide stimulating career development opportunities including working on complex projects in a quality-driven, fast-paced environment. You will be challenged to bring your creativity, problem-solving skills, high-integrity, and professional insight to everything you do. Employees Are DEVELOPED New team members join a collaborative, supportive, and inclusive work culture which will encourage you to develop to your full potential. You will learn from others, and they will learn from you. Your success is our success, and you will be supported in setting and achieving your professional goals. Employees Are REWARDED We provide competitive salaries, opportunities for advancement, and a comprehensive Total Rewards package, including: Medical, Prescription Drug, Dental, & Vision insurance HSA, FSA, and Dependent Care FSA options Mental health & counseling benefits through our confidential Employee Assistance Program (EAP) for employees and their family members Company-provided Employee Life and Disability Coverage with buy-up options 401(k) retirement plan with Roth or Traditional options and company contribution 1-on-1 retirement planning and financial advice for all stages of life Flexible paid time off accrual program Flex-time schedules, Half-Day Fridays, & Office, Hybrid, and Remote work options Incentive bonus programs, including for performance, professional development, employee referrals, repeat business, and more Resources and support for career and skills development, including a Learning Management System with access to thousands of high-quality learning courses, and a peer-to-peer Coaching Program Applicant Notices aeSolutions values the contributions of a diverse and inclusive workforce and is an Equal Employment Opportunity employer. This means we do not discriminate on the basis of actual or perceived race, creed, color, religion, national origin, ancestry, citizenship status, age, disability, sex, marital status, veteran status, uniformed services, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable federal, state, or local laws. Our management team is dedicated to this policy with respect to recruitment, hiring, placement, promotion, transfer, training, compensation, benefits, employee activities, and general treatment during employment. Access the “Know Your Rights” information from the Equal Employment Opportunity Commission here: Know Your Rights: Workplace Discrimination is Illegal. aeSolutions participates in E-Verify. We will provide the federal government with new employee’s Form I-9 information to confirm work authorization. Please note that we do not use this information to pre-screen applicants: E-Verify Notice — Right to Work Notice . Consistent with the Americans with Disabilities Act (ADA) and state disability laws, it is the policy of aeSolutions to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact the HR Director at 864-404-3022 or resumes@aeSolutions.com This link leads to the machine-readable files that are made available in response to the federal Transparency in Coverage Rule and includes negotiated service rates and out-of-network allowed amounts between health plans and healthcare providers. The machine readable files are formatted to allow researchers, regulators, and application developers to more easily access and analyze data: Transparency in Coverage – Machine Readable Files *aeSolutions does not solicit resumes from territories covered by the GDPR. View Current Openings >

aeSolutions conceptual and preliminary engineering services support moving industrial manufacturing facilities from Risk to Resilience by defining scope, system concepts, and project direction. Conceptual & Preliminary Engineering Service Click Here to Chat With Our Conceptual & Preliminary Engineering Experts Establishing a Clear, Defensible Path Forward for Automation and Control System Projects aeSolutions provides Conceptual and Preliminary Engineering services to help organizations define a clear, structured approach to automation and control system safety projects. Early project phases are critical for aligning scope, identifying risks, and setting the foundation for successful execution. With a well-defined conceptual plan, facilities eliminate the risk of scope gaps, unclear requirements, and project uncertainty. aeSolutions works with clients to develop practical, well-documented engineering strategies that support informed decision-making and align with project objectives, operational needs, and safety expectations. Our Conceptual and Preliminary Engineering services include: Development of project scope definitions and preliminary system concepts Identification of key risks, constraints, and project considerations High-level architecture development for control and automation systems Preliminary input to system selection, design approach, and execution strategy Alignment of project objectives with operational and safety requirements Coordination with stakeholders to define expectations and priorities Establishment of a clear basis for subsequent detailed engineering phases Documentation to support project planning, budgeting, and decision-making aeSolutions works closely with your engineering, operations, and project teams to establish a strong foundation for automation and control system initiatives. Whether supporting new projects or early-stage evaluations, our conceptual and preliminary engineering expertise helps reduce uncertainty, improve alignment, and support a more predictable and resilient path from project definition through execution. — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Learn More About aeSolutions — Let's Discuss Your Conceptual and Preliminary Engineering Needs —

A failure that occurs at a random time is called a random failure. Random failures are non-deterministic by nature but they follow a probability distribution for failure, which is used to calculate probability for such a failure from historical data and testing. Acronyms & Terms Glossary <- More Definitions Random Failure A failure that occurs at a random time is called a random failure. Random failures are non-deterministic by nature but they follow a probability distribution for failure, which is used to calculate probability for such a failure from historical data and testing. Our Services Whitepaper: The Courage to Intervene | Developing Ethical Leadership in the Next Generation of Process Safety Professionals As the process industries experience the “great shift change,” developing the next generation of leaders requires more than technical competence. It demands ethical courage and the ability to influence others to uphold process safety under pressure. This paper explores how ethical decision-making and leadership behaviors can be intentionally developed through structured case-based learning derived from real engineering failures. aeSolutions Recognized with 2026 CSIA Social Responsibility Award aeSolutions is proud to share that we were recognized with the 2026 Social Responsibility Award at the 2026 CSIA Awards, held during the Control System Integrators Association Conference in Baltimore, Maryland. Whitepaper: Six Feet Under | How to Dig Yourself Out of a Recommendations Graveyard Have you felt buried under six feet of safety study recommendations that must be closed? Does it feel impossible to follow Recognized and Generally Accepted Good Engineering Practices (RAGAGEPs) to convert recommendations into engineered design reality? You are not alone.

aeSolutions fire and gas conceptual system design services support moving industrial facilities from Risk to Resilience by defining system scope and direction. Fire & Gas Conceptual System Design Service Click Here to Chat With Our Conceptual System Design Experts Building a Practical Foundation for Fire and Gas System Performance Fire and gas safety decisions made early in the project lifecycle can have a significant impact on long-term system performance, compliance confidence, and implementation efficiency. Without a clear conceptual design, facilities may face unclear requirements, late-stage design changes, detection coverage gaps, or inadequate system integration. aeSolutions helps clients establish a defensible system direction that supports informed decision-making and a clearer path from risk to resilience. aeSolutions' conceptual system design services help industrial facilities define the early structure, scope, and direction of fire and gas safety systems. As part of a structured, lifecycle-based approach, conceptual system design helps translate fire and gas risk insights into a practical path forward for system architecture, detector strategy, integration needs, and future detailed design. Our F&G Conceptual System Design services include: Development of early fire and gas system concepts and design basis Definition of system scope, objectives, and performance expectations Preliminary planning for detector placement, system architecture, and integration needs Review of facility layout, hazard areas, and operational requirements Alignment of conceptual design inputs with plume dispersion and detector coverage modeling where appropriate Identification of design constraints, implementation considerations, and project risks Documentation to support future detailed design and project execution Coordination with engineering, operations, and safety stakeholders during early project planning aeSolutions works closely with your engineering, operations, and safety teams to develop fire and gas system conceptual designs that are practical, defensible, and aligned with facility needs. Whether supporting a new project, facility modification, or existing system improvement, our conceptual system design expertise helps reduce uncertainty, improve project alignment, and support safer, more resilient fire and gas safety performance. — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Learn More About aeSolutions — Let's Discuss Your F&G Conceptual System Design Needs —

aeSolutions' Burner Management Systems help improve safe startup, operation, shutdown, code compliance, and lifecycle support for fired equipment. Burner Management Systems Services Click Here to Chat With Our Burner Management System Experts Supporting Safe Startup, Operation, and Shutdown of Fired Equipment Burner Management Systems play a critical role in reducing fired equipment hazards and supporting safe, reliable, and resilient operations. When BMS design, documentation, or configuration does not align with current equipment needs or applicable requirements, facilities can face increased operational risk, compliance challenges, and uncertainty during startup or upset conditions. aeSolutions helps clients develop practical BMS solutions that support safer operation, improved reliability, and the path from Risk to Resilience. aeSolutions provides Burner Management System services to help facilities manage the safe startup, operation, monitoring, and shutdown of fired equipment. A properly designed BMS supports critical burner functions, including interlocks, trips, flame monitoring, ignition sequencing, and shutdown logic. Our Burner Management System services include: Development and implementation of Burner Management System strategies BMS design support for fired equipment startup, operation, and shutdown Configuration of interlocks, trips, flame monitoring, ignition sequencing, and shutdown logic Evaluation of existing BMS performance, limitations, and documentation Support for BMS upgrades, modifications, and replacement projects Integration of BMS functionality with combustion control systems Documentation to support operation, maintenance, and lifecycle management Alignment with applicable project requirements and fired equipment safety objectives aeSolutions works closely with your engineering, operations, and project teams to develop Burner Management Systems that are practical, reliable, and aligned with your facility’s fired equipment needs. Whether supporting a new installation, system upgrade, or existing BMS challenge, our expertise helps improve operational confidence, reduce uncertainty, and support safer fired equipment performance. — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Learn More About aeSolutions — Let's Discuss Your Burner Management System Needs —

aeSolutions is a licensed reseller of aeShield Safety Lifecycle Management software suite, a comprehensive platform for automating the safety lifecycle in compliance with ISA84.00.01/IEC 61511 and the related requirements of OSHA 1910.119 aeShield Software aeShield® automatically maintains the complex relationships among the risk reduction performance, design verification calculations, inspection and test plans for integrity management, and actual plant historical data. aeShield® provides real time alerts and reporting on the process safety health of a single safety loop, a full process area or across an entire multi-site enterprise. Please visit https://www.aeshield.com/ for more information.

aeSolutions systems integration services support moving industrial manufacturing facilities from Risk to Resilience by integrating control systems and ensuring reliable performance. Systems Integration Services Click Here to Chat With Our Systems Integration Experts Connecting Control Systems for Reliable, Consistent, and Scalable Operations Outdated systems, inconsistent configurations, or poorly integrated components introduce risk, reduce visibility, and create challenges for operations and maintenance teams. aeSolutions works with clients to integrate control systems in a way that supports consistency, reliability, and long-term maintainability. aeSolutions provides Systems Integration services to help industrial manufacturing facilities connect and align control systems, platforms, and field devices into a cohesive, functional environment. Effective integration is essential to ensuring that automation systems operate reliably, data flows accurately, and system performance meets operational expectations. Our Systems Integration services include: Integration of control systems, including DCS, PLC, and HMI platforms Configuration and alignment of system communications and data exchange Integration of field instrumentation and control devices into automation systems Support for system interoperability across new and existing platforms Coordination of system interfaces and data flow between components Verification of system functionality and alignment with project requirements Documentation of integrated system architecture and configurations Development of I/O lists, control narratives, and logic documentation Design of HMI interfaces and operator displays aeSolutions works closely with your engineering, operations, and project teams to deliver integrated control systems that function as intended in real-world environments. Whether supporting new system deployments or upgrades to existing infrastructure, our systems integration expertise helps ensure reliable performance, improved visibility, and a more connected operational environment. — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Learn More About aeSolutions — Let's Discuss Your Systems Integration Needs —

From preliminary engineering to installation support, aeSolutions provides consultation on requirements to meet regulatory compliance required by OSHA, Life Safety 101, International Building Code, International Fire Code, and NFPA 72.  We can provide a turn-key fire & gas protection solution that regulatory requirements including everything from detector placement to installation and start-up services. Gas detection technology, EPA, industrial fire and gas, mapping, FM, Toxic Gas, Combustible Transforming Your Fire & Gas Safety From Does this sound familiar? Ready for Relief? Let's Chat Aging Detection Systems Uncertainty in Compliance Detection Coverage Gaps Inadequate System Integration — Our Industrial Fire & Gas Safety Capabilities — Fire and gas safety is critical to operational resilience in complex industrial manufacturing environments. Gaps in detector coverage, inadequate system integration, and aging detection systems can leave facilities exposed to hidden hazards, compliance uncertainty, and costly disruptions. These challenges are often compounded when safety decisions are made late in the project lifecycle. aeSolutions ensures your facility is following a structured, lifecycle-based approach to its fire and gas safety. Our disciplined engineering approach to front-end risk modeling, detector placement, system design, system fabrication, commissioning, startup, and ongoing system support, help industrial manufacturing facilities close safety gaps, ensure compliance, and move from risk to resilience with clarity and confidence. Plume Dispersion Modeling Detector Coverage Modeling Conceptual System Design Detail Design FM Approved System Fabrication Installation & Ongoing Support Click Here to Speak with a Fire & Gas Safety Expert About Your Facility's Resilience — The aeSolutions ResiliencePath™ Method — We’re an integrative specialist with a proven methodology that we call ResiliencePath ™ that embeds safety into every stage of the project lifecycle — from concept to closure — for compliance today and resilience tomorrow. Empowering — Not Enforcing Rather than checking boxes, we help you identify the right questions early to prevent costly late-stage corrections and avoid years of OpEx fixes. Each ResiliencePath™ step is driven by one goal: empowering resilient, value-aligned decisions that stand the test of time. EPC & Subcontractor Integration ResiliencePath™ is adaptable to collaborate seamlessly with EPCs and subcontractors, integrated into a structured workflow designed to adapt to real-world project dynamics without compromising on results. Your Process, Our Expertise At aeSolutions, we help industrial manufacturing facilities reduce risk and improve operational resilience by integrating gas detection and fire safety engineering into real-world project execution. Our capabilities span front-end gas risk modeling, hazard area classification, detection system design, and lifecycle support, grounded in engineering expertise and a focus on practical, defensible implementation. We work closely with engineering, operations, and EHS teams to close gas and fire safety gaps and turn fragmented safety efforts into a cohesive approach that protects people, assets, and uptime. Whether addressing legacy detection systems or engaging early to shape your facility's fire and gas safety strategy, aeSolutions helps you move from risk to resilience with clarity and confidence. Learn More About the aeSolutions ResiliencePath ™ Methodology — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results Heater Controls Upgrade Improves Safety and Resilience of Arctic Pipeline Pump Stations Custom SI-BMS Solution Enhances Reliability and Safety for Critical Pipeline Transportation Facility Achieving a High-Risk Systems Overhaul on an Accelerated Schedule Multi-Fuel Boiler BMS Upgrade for Chlor Alkali Production Facility Chemical Facility FEL3 & Detail Design Achieves PSM OSHA Compliance Under Total Installed Cost Budget | A Masterclass In aeSolutions’ Lifecycle Solutions Capabilities Designing and Implementing a Fire & Gas Detection System for a Hydrogen Production Plant A Strategic Integration of SIS, BMS, and PSM in a Boiler Fuel Conversion Project Alarm Management for a Greenfield LNG Facility Pharma Company Detecting Natural Gas Leaks in Boiler House Large Specialty Chemical Company Reduces Alarm Floods Simplified, Cost-Effective, and Consistent Acidic Compound Detection Energy Company Reduces Regulatory Compliance Costs Saving Almost $50 Million Water Cannons Protect Community from Anhydrous Ammonia Leaks Pharmaceutical Company Required Toxic & Combustible Gas Detection System Complex Hot Cutover of Large Natural Gas Processing Facilities Specialty Chemical Site’s Increasingly Complicated Cutover “Fit for Purpose” Solution Reduces Planned Downtime by 66% Protecting Personnel with Practical Gas Detector Placement Alarm System Rationalization and Safe Operating Limit for Energy Production Heater Controls Upgrade Improves Safety and Resilience of Arctic Pipeline Pump Stations Custom SI-BMS Solution Enhances Reliability and Safety for Critical Pipeline Transportation Facility Achieving a High-Risk Systems Overhaul on an Accelerated Schedule Multi-Fuel Boiler BMS Upgrade for Chlor Alkali Production Facility Chemical Facility FEL3 & Detail Design Achieves PSM OSHA Compliance Under Total Installed Cost Budget | A Masterclass In aeSolutions’ Lifecycle Solutions Capabilities Designing and Implementing a Fire & Gas Detection System for a Hydrogen Production Plant A Strategic Integration of SIS, BMS, and PSM in a Boiler Fuel Conversion Project Alarm Management for a Greenfield LNG Facility Pharma Company Detecting Natural Gas Leaks in Boiler House Large Specialty Chemical Company Reduces Alarm Floods Simplified, Cost-Effective, and Consistent Acidic Compound Detection Energy Company Reduces Regulatory Compliance Costs Saving Almost $50 Million Water Cannons Protect Community from Anhydrous Ammonia Leaks Pharmaceutical Company Required Toxic & Combustible Gas Detection System Complex Hot Cutover of Large Natural Gas Processing Facilities Specialty Chemical Site’s Increasingly Complicated Cutover “Fit for Purpose” Solution Reduces Planned Downtime by 66% Protecting Personnel with Practical Gas Detector Placement Alarm System Rationalization and Safe Operating Limit for Energy Production View More Case Studies Here — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Click Here to Chat With Our Industry Experts — Our Fire and Gas Safety Whitepapers — Whitepaper - Understanding Flammable Mist Explosion Hazards Whitepaper - Evolution of the Traditional Fire Panel - FGS 1400 MK II Whitepaper - SIL Ratings and Certification for Gas & Fire System Hardware View More Whitepapers Here — Let's Discuss Your Fire and Gas Safety Needs —

Identify and mitigate process risks with aeSolutions’ HAZOP study services. Our expert-led analyses help facilities improve safety, ensure compliance, and reduce operational risk. HAZOP Study Services Click Here to Chat With Our HAZOP Study Experts Structured Hazard Identification for Safer and More Resilient Process Operations aeSolutions provides expert Hazard and Operability (HAZOP) study facilitation to help industrial manufacturing facilities systematically identify and evaluate process hazards and operability issues. Our experienced facilitators guide your team through a structured analysis that helps uncover potential deviations, evaluate safeguards, and reduce process safety risks. HAZOP studies are a critical component of effective Process Safety Management (PSM) programs. aeSolutions supports facilities throughout the HAZOP lifecycle, from preparation and study execution to documentation and action item tracking, ensuring studies deliver practical insights that strengthen operational safety and reliability. Our HAZOP study capabilities include: HAZOP study facilitation by experienced process safety professionals Node definition and deviation analysis using standard guide words Identification of credible hazard and operability scenarios Safeguard evaluation and risk ranking Documentation of study findings and recommendations Support for capital projects, facility modifications, and management of change (MOC) Integration with broader PHA and process safety programs Revalidation support for existing HAZOP studies With aeSolutions’ HAZOP expertise, organizations can improve hazard visibility, strengthen process safety programs, and ensure operational risks are identified and addressed through a structured and defensible methodology. — DON'T JUST TAKE OUR WORD FOR IT — Evidence-Backed Results — Trusted By Industry Leaders — Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Chemical Manufacturing Energy & Power Generation Hydrogen Production & Processing Battery Materials & Minerals Processing Ag Chem Utilities & Critical Infrastructure Specialty Chemicals & Advanced Materials Renewable Fuels & Bioenergy Pharmaceutical & Life Sciences Manufacturing Petrochemicals & Hydrocarbon Processing Metals & Mining Processing Oil & Gas Production & Processing Learn More About aeSolutions — Let's Discuss Your HAZOP Study Needs —

Meet our aeSolutions team! Our employees include over 50 certified industry experts. See who separates us from the competition. Employee Spotlight Stephen began his career in July 2010 as a contracted process controls engineer at the Saudi Arabian Fertilizer Company in Jubail, Saudi Arabia. A year later, he began developing his expertise in alarm management at ProSys, Inc., in Baton Rouge, LA, which was later acquired by Emerson in January 2018. By January 2020, he transitioned to an operational role as a site process controls engineer with TSRC Specialty Materials in Plaquemine, LA, and later with Air Liquide Advanced Materials in Branchburg, NJ, in April 2022. By June 2023, Stephen joined aeSolutions, leveraging his diverse experiences across various facilities, industries, and control systems to help grow the company's alarm management services. Stephen and his wife, Catherine, welcomed their first child, Caden, into the world this past February and have been grateful to have him in their lives ever since. Burt began his career in a refinery, spending 18 years as an operator and eventually advancing to Zone Superintendent before retiring to attend college. In 2000, Burt entered the field of Alarm Management, starting with PAS Global, moving to Honeywell and Chevron Phillips, before returning to PAS Global, which Hexagon later acquired. After retiring from Hexagon, he joined aeSolutions in 2024, bringing over 24 years of global Alarm Management experience. Married to his high school sweetheart for over 43 years, Burt has two wonderful sons, two beautiful daughters-in-law, and two handsome grandsons. Burt enjoys traveling, outdoor activities like hunting, and working with wood and leather in his spare time. With a degree in Chemistry from Texas Tech University and a Chemical Engineering degree from Prairie View A&M University, Tchana initially planned to pursue a career in pharmacy. However, his path shifted when Tchana’s older brother, a civil engineer, recommended exploring Chemical Engineering, a decision he considers one of the best he has ever made. This choice eventually led him to join aeSolutions. Outside work, Tchana is a dedicated family man who enjoys staying active, following Houston sports, and traveling. Wyatt began his journey at aeSolutions with a strong desire to learn and support his coworkers. With a long-standing interest in engineering, Wyatt feels fortunate to assist the accounting team and the engineers driving the company's success. He finds daily work enjoyable and eagerly seeks opportunities to take on more responsibilities. A writer at heart, Wyatt is working on a novel he hopes to complete in the coming years. Lance previously held multiple Vice President roles at Emerson Automation Solutions and served as Sr. Business Development Director at Hargrove Engineers. He is passionate about building strong client relationships and leading teams to deliver effective solutions. In his free time, Lance enjoys working out, playing golf, and dealing with his Shih Tzu, Forest. Erich has worked in both the process safety side as a Senior SIS FEL Specialist and his current role in the Automation group. Erich recently became the Fabrication Shop Lead. He started at aeSolutions as an intern and has enjoyed the variety of project work and hopes to continue the career growth opportunities afforded to him. Erich enjoys mentoring local robotics teams, working on cars, playing drums in a band, fishing when he can, and being a dad to his wonderful kids, Zoey and Fritz. Ethan spent a few summers working at a Marathon Petroleum refinery in Canton, Ohio, while completing his chemical engineering degree at Ohio State. After finishing his Master’s program in 2016, Ethan was put in touch with Craig Shell to discuss an opportunity at aeSolutions. Ethan found a lot of overlap with the safety-focused work he had completed at Marathon and was excited at the prospect of working in an office environment rather than in-field work. A few months later, he moved to Greenville to start in the SIS Engineering department! Ethan loves to collect vinyl records – his most prized possession is a copy of Taylor Swift’s “Red” pressed on red vinyl. Christi joined aeSolutions after working in training and marketing for an EPC, a training consultant, a hospital, and a top-20 accounting firm. In her time at aeSolutions she has supported our BD and marketing efforts and our executive team giving her the ability to build upon her experience as well as develop new skills. Christi enjoys the work and her co-workers! She has 3 grown kids and enjoys going on road trips to see them and she likes to go hiking with her dog Sadie. Lauren arrived at aeSolutions with design experience in Process Engineering, professional licensure in engineering, and a growing interest in Process and Functional Safety. aeSolutions has given her exposure to Machine Safety as it relates to Functional Safety, which ultimately helped her become a TUV NORD Certified Machinery Safety Expert (CMSE) in 2019. Lauren currently works as a technical lead in the SIS Engineering department. She is a South Carolina native and just welcomed her second child back in July. Lauren is also in her 5th year of serving on the NCEES Chemical PE Exam Development Committee. Ben fell into HR early in his career by accident but discovered that he loved working to help people have better experiences at their jobs. When he joined aeSolutions in 2013, he focused primarily on supporting the Anchorage office but eventually moved into the HR Manager role and now the HR Director role. He has had the opportunity to work with a fantastic team focused on providing the best work environment possible. Ben has a great deal of respect and admiration for the entire aeSolutions workforce and their unwavering dedication to safety. Before moving to Denver, Ben lived in Alaska for seven years – once, he couldn’t leave the office building in downtown Anchorage because there were too many moose on the sidewalks. True story! Ken and two partners started aeSolutions 23 years ago in a bonus room when their employer decided to close their Greenville office. By the time they had five employees, they knew they needed to rent an actual office space because the air conditioner could no longer keep up. Ken remembers how excited they were when they successfully networked the one Dell computer with the one printer. It seems like yesterday from a lifetime ago. Ken enjoys pretty much anything outdoors, including backpacking, running, and motorcycles. Engineering is Liena’s second career after being a chemist and a chemistry instructor at a university. She started as an SIS (Safety Instrumented Systems) specialist and worked as both SIS and PSM (Process Safety Management) senior specialist. Liena immigrated to the US from Ukraine, never dreaming that her career would take such a turn, but she loves the challenges and fun that process safety engineering presents. Now, she participates in almost all Safety Lifecycle related projects except installation & commissioning, but maybe one day in the future, that will happen too. She also has the honor and pleasure to be the Board Secretary for the ISA Alaska chapter. She loves to go fishing, hiking, riding snowmobiles, camping, hunting and enjoys relaxing on the couch with a good book. Jackie started out early by participating in a high school mentorship program for engineering at BP. She then earned her B.S. in Chemical and Biochemical Engineering at Colorado School of Mines. In September of 2016 Jackie moved back to Alaska and started her career with aeSolutions. Jackie completed the DNV GL PHAST Training Course in October 2017 and is currently a scribe for PHA studies. Sarah was hooked when she sat through her first Process Hazard Analysis as a Process Engineer doing process design. Sarah felt like she had finally found a way to make a difference in her field by helping to protect people and the environment. After joining aeSolutions and working in both the PSM and SISFEL groups, Sarah found her passion for alarm management. She is thankful for a career that allows her to grow professionally and supports a strong family life enabling her to spend time making memories with the ones she cherishes the most. Kevin has a 34-year background in Electrical and Controls, beginning his career at aeSolutions as a Project Manager in 2009. In 2019, Kevin became a Senior Discipline Leader and continued with the Project Manager role. He currently holds his Professional Engineering License in 11 states! Greg is Canadian with 25 years of experience in the industry, 17 years as an Instrumentation and Controls Specialist, and 8 years as a Process Safety Specialist. He brought his worldwide industry knowledge to Houston to help influence our younger employees and help the company grow to exciting new levels. Greg is part of the ISA Fire and Gas division standards committee and the wireless standard division. He loves to cook, build things with his hands, and look after his much too needy Pug.

There are many unique industry terms used with Process Safety, Automation, and Combustion. This ongoing glossary looks to define these in a quick and easy way. A B C D E F G H I J L M N O P Q R S T U V Z Industry Acronyms & Terms Glossary A Advanced Process Control (APC) Alarm Alarm Flood Alarm Management Alarm Philosophy Alarm Priority Alarm Rationalization Alarm Selection ANSI ISA-16511 (IEC 61511) ANSI ISA-18.2-2009 API 525 API 535 API 556 Arc Flash Hazard Area Classification As Low as Reasonably Practicable (ALARP) As-Built Automated Valve Automatic Shutdown System Availability (Reliability Engineering) B Balanced Design Barrier Management Basic Process Control Systems (BPCS) Blowdown Breakdown Maintenance Burn-In Burner Management System (BMS) C Calibration Curve Cause & Effect (C&E) Cause of Failure Center for Chemical Process Safety (CCPS) Central Utilities Plant (CUP) Certified Functional Safety Expert (CFSE) Code of Federal Regulation (CFR) Combustion Control System (CCS) Common Cause Failure Common Mode Failure Compliance Auditing Computational Fluid Dynamics (CFD) Conditional Modifier Consequence Modeling Control Hazard and Operability Study (CHAZOP) Control Panel Control Valve Covert Failure Critical Control Point (CCP) D De-energization (De)terminate Deflagration Detonation Deviation Dispersion Modeling Distributed Control System (DCS) Double Jeopardy Dust Hazard Analysis (DHA) Dynamic Simulation E Emergency Shutdown System (ESD) Emergency Response Planning Guideline (ERPG) Enabling Condition Environmental Protection Agency (EPA) Event Tree Analysis (ETA) F Facility Siting Study Factory Acceptance Testing (FAT) Fail Closed - Fail Open Failure Mode Failure Modes and Effects Analysis (FMEA) Fault Tolerance Fault Tree Diagram Fire and Gas Mapping Fire and Gas Philosophy Flash Fire Frequency Front End Loading (FEL) Functional Safety Functional Safety Assessments (FSA) Functional Test G Gas Detection System Gas Reclamation H Hardware Fault Tolerance Hazard Hazard Identification (HAZID) HAZOP (Hazard and Operability) Analysis High Demand Mode Highly Hazardous Chemical (HHC) HIPPS System Hot Work Human Factors Human Machine Interface (HMI) Human Reliability Analysis (HRA) Hysteresis (dead band) I Immediately Dangerous to Life and Health (IDLH) Incident Independent Protection Layer (IPL) Industrial Automation Industrial Control Systems Inherently Safer Design (ISD) Initiating Event Interlock System Intrinsic Safety (IS) IPL Independence IPL Verification J Jet Fire L Latching Alarm Latent Failure Layers Of Protection Analysis (LOPA) Likelihood Low Demand Mode Lower Explosive Limit (LEL) Lower Flammability Limit (LFL) M Maintenance Override Switch (MOS) Management of Change (MOC) Maximum Credible Event (MCE) Mean Time Between Failures (MTBF) Mean Time to Repair (MTTR) Mitigation Measures N NFPA 85 NFPA 86 NFPA 87 Node Nuisance Alarm O Operational Readiness P Pigging Process Hazard Analysis (PHA) Probability Probability of Failure on Demand (PFD) Process Automation Process Control Loop Process Risk Management Programmable Logic Controller (PLC) Proof Test PSM (Process Safety Management) Covered Process Q Quantitative Risk Assessment (QRA) R Recognized and Generally Accepted Good Engineering Practice (RAGAGEP) Recommendation Redundancy Reliability Centered Maintenance (RCM) Risk Risk Reduction Factor (RRF) Root Cause S Safeguard Safety Controls, Alarms, and Interlocks (SCAI) Safety Critical Element (SCE) Safety Instrumented Function (SIF) Safety Instrumented System (SIS) Safety Integrity Level (SIL) Calculations Safety Integrity Level (SIL) Ratings Safety Lifecycle Safety Requirement Specification (SRS) Scenario Sequential Function Chart (SFC) Shutdown Shutdown Logic SIL Verification SIS Engineering Site Acceptance Testing (SAT) Software in Safety Instrumented Systems (SIS) Spurious Trips Start-Up Sequence Systematic Failure Systematic Failures Systems Integration Systems Theoretic Accident Model and Processes (STAMP) Systems Theoretic Process Analysis (STPA) T Trip Point Two-out-of-Three (2oo3) Voting U Upper Flammability Limit (UFL) V Valve Failure Mode Vapor Cloud Explosion (VCE) Variable Frequency Drives (VFD) Voting Logic Z Zero Energy State (ZES) A B C F H I L S P D E G J M N Q R O T U V Z