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# IRESC

Integrated Risk, Environmental & Safety Consultants

## Sitemaps

- [XML Sitemap](https://irescglobal.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Blog](https://irescglobal.com/blog.html)

## Pages

- [Welcome to IRESC](https://irescglobal.com/) - We perform technical analyses leading to practical solutions IRESC has a team of highly qualified, multi-disciplinary process safety and risk practitioners with global experience. We provide services for clients in the Offshore and Onshore Oil & Gas Processing, Refineries, Chemical and Petrochemical sectors and have undertaken process safety, risk, environmental and reliability studies for major
- [SIF Design Challenges IN Ethylene Plant](https://irescglobal.com/publications/2026-2/sif-design-challenges-in-ethylene-plant.html) - Hazardous scenarios such as fired heater overfiring or explosion, reactor runaway, pipeline overpressure, tank or vessel overfilling, cold breakthrough, and ground flare piping overpressure often rely on a Safety Instrumented Function (SIF) as the primary preventive safeguard, since no mechanical protection is available. These are high consequence events with the potential for multiple fatalities, escalation,
- [Challenges in Safety Barrier Identification and Control](https://irescglobal.com/publications/2026-2/challenges-in-safety-barrier-identification-and-control.html) - The progression of an incident from a minor failure to a Major Accident Hazard (MAH) requires failure of one or more protection layers built in design which are commonly referred as Barriers. Barriers could be either preventive type which prevents the hazard (reduces likelihood) or mitigative type which minimises the impact of hazard (reduces consequence
- [5th Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2026)](https://irescglobal.com/events/2026-2/5th-thailand-international-chemical-engineering-and-chemical-technology-asia-conference-tnche-asia-2026.html) - Date: 9 - 11 June, 2026 Venue: Dusit Pattaya Hotel, Pattaya, Chonburi, Thailand Theme: INSPIRING Innovations and Digital Solutions for Asia Sustainability Organizer: Thailand Institute of Chemical Engineers (TICHE) IRESC exhibited in the 5th Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2026). More information on the TNChE Asia 2026 Conference can be found at TICHE
- [2026 AIChE Spring Meeting and 22nd Global Congress on Process Safety](https://irescglobal.com/events/2026-2/2026-aiche-spring-meeting-and-22nd-global-congress-on-process-safety.html) - Date: 12 - 16 April, 2026 Venue: Hilton of the Americas and the George R. Brown Convention Center, Houston, Texas, USA IRESC as a proud Sponsor, participated in the 2026 AIChE Spring Meeting and 22nd Global Congress on Process Safety organized by American Institute of Chemical Engineers (AIChE) from 12th to 16th April, 2026 at Hilton
- [7th Edition International Process Safety Conference (INPSC) 2026](https://irescglobal.com/events/2026-2/7th-edition-international-process-safety-conference-inpsc-2026.html) - Date: 26 February, 2026 Venue: Hyatt Regency, Delhi, India IRESC,as a proud Gold Partner, participated in the 7th International Process Safety Conference organized by The Energy & Climate Initiative Society (ENCIS) and ITEN on 26th February 2026 at Hyatt Regency Hotel, Delhi, India. The conference was built around a transformative theme “Process Safety 5.0: Intelligence.
- [A Comparison of Approaches for assessing Overpressure impact on Buildings](https://irescglobal.com/publications/2026-2/a-comparison-of-approaches-for-assessing-overpressure-impact-on-buildings.html) - Vapor Cloud Explosions (VCEs) remain one of the most critical accidental hazards in onshore process facilities, particularly due to their potential to generate damaging overpressures in congested and partially confined environments. The accurate assessment of blast loads on buildings - such as control rooms, substations, operator shelters, and administrative facilities, is essential to prevent structural
- [2026](https://irescglobal.com/publications/2026-2.html)
- [AI-Enabled HAZOP: Automating Hazard Scenario Development and Risk Classification](https://irescglobal.com/publications/2025-2/2025-global-conference-on-process-safety-and-big-data.html) - This paper presents an innovative application of artificial intelligence (AI) and machine learning (ML) to significantly enhance Hazard and Operability (HAZOP) studies. Our data-driven methodology directly addresses critical aspects of HAZOP analysis: First, we leverage Natural Language Processing (NLP) with semantic similarity analysis and generative models to produce highly relevant, facility- and equipment-specific potential consequences
- [SAFECHEM 2025 (PSM Conference)](https://irescglobal.com/events/2024-2/safechem-2025-psm-conference.html) - Date: 26 - 27 June, 2025 Venue: Hilton Hotel, Chennai, India IRESC participated as one of the Gold Sponsors in SAFECHEM 2025, India’s largest PSM Conference organized by Chemical Industries Association, FICCI, MIA and ICC on 26th and 27thJune 2025 at Hilton Hotel, Chennai, India. As part of the Conference Program relating to Process Safety,
- [2025 Global Conference on Process Safety and Big Data](https://irescglobal.com/events/2024-2/2025-global-conference-on-process-safety-and-big-data.html) - Date: 11 November, 2025 Venue: Leonardo Royal Hotel Frankfurt, Frankfurt am Main, Germany IRESC staff participated in the 10th Edition of the Global Conference on Process Safety and Big Data organized by the Center for Chemical Process Safety (CCPS) and the European Process Safety Centre (EPSC) on 11th November 2025 and 12th November 2025 at
- [4th Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2025)](https://irescglobal.com/events/2024-2/4th-thailand-international-chemical-engineering-and-chemical-technology-asia-conference-tnche-asia-2025.html) - Date: 20 - 22 May, 2025 Venue: Dusit Thani Pattaya Hotel, Chonburi IRESC is proud to be one of the Event Partners for the 4th Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2025) organized by the Thailand Institute of Chemical Engineers (TICHE) from 20th to 22nd May 2025 at Dusit Thani Pattaya Hotel, Chonburi. For more
- [3rd Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2024)](https://irescglobal.com/events/2024-2/knowledge-sharing-event-on-process-safety-and-risk-management.html) - Date: 19 - 21 June, 2024 Venue: Dusit Thani Pattaya Hotel, Chonburi IRESC is proud to be one of the Event Partners for the 3rd Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2024) organized by the Thailand Institute of Chemical Engineers (TICHE) from 19th to 21st June 2024 at Dusit Thani Pattaya Hotel, Chonburi. For more information
- [8th CCPS Global Summit on Process Safety](https://irescglobal.com/events/2024-2/8th-ccps-global-summit-on-process-safety.html) - Date: 26 November, 2024 Venue: Mumbai, India IRESC participated in the 8th edition of Global Summit on Process Safety (GSPS 2024) organized by the Center for Chemical Process Safety (CCPS) from 26th to 27th November 2024 at Jio World Centre, Mumbai, India. As part of the Conference Program relating to Process Safety, IRESC team members presented papers on 26th November as
- [Knowledge Sharing event in Thailand](https://irescglobal.com/events/2024-2/knowledge-sharing-event-in-thailand.html) - Date: 20 June, 2024 Venue: Dusit Thani Pattaya Hotel, Chonburi IRESC organized a Knowledge Sharing Event on “Insights and Approaches for Process Safety and Risk Management”, at Hotel Dusit Thani in Pattaya, Thailand on 20th June 2024 (9 am to 12 noon), on the sidelines of the TNChE Asia 2024 conference,. As part of this
- [2025 CCPS Europe Regional Meeting](https://irescglobal.com/events/2024-2/2025-ccps-europe-regional-meeting.html) - Date: 13-14 November, 2025 Venue: Basel, Switzerland IRESC consultants attended the 2025 CCPS Europe Regional Meeting organized by the Center for Chemical Process Safety (CCPS) from 13th - 14th November 2025 at Basel, Switzerland. IRESC team presented on the topic “Process Safety and Risk Impacts due to Changes in Project Execution, Design, Operation over the
- [Addressing LOPC Risks in Brownfield Projects](https://irescglobal.com/publications/2024-2/addressing-lopc-risks-in-brownfield-projects.html) - The rising demand for oil and gas products around the world, along with fluctuating margins, have led to many companies opting for revamping existing plants or building new trains within the existing plant boundary (referred as brownfield project) instead of building a new grassroots complex (referred as greenfield project). As a result, in many such
- [2026](https://irescglobal.com/events/2026-2.html)
- [Blogs](https://irescglobal.com/blogs.html) - Blog Content
- [CCPS India Regional Meeting](https://irescglobal.com/events/2024-2/ccps-india-regional-meeting.html) - Date: 09 October, 2025 Venue: Gujarat Institute of Disaster Management (GIDM), Gandinagar, India IRESC consultants attended the CCPS India Regional Meeting organized by the Center for Chemical Process Safety (CCPS) on 9th October 2025 at Gujarat Institute of Disaster Management (GIDM), Gandhinagar, Gujarat, India. References CCPS Regional Meeting
- [CCPS South East Asia Regional Meeting](https://irescglobal.com/events/2024-2/ccps-south-east-asia-regional-meeting.html) - Date: 06 October, 2025 Venue: PETRONAS Leadership Centre, Malaysia IRESC consultants attended the CCPS South East Asia Regional Meeting organized by the Center for Chemical Process Safety (CCPS) on 6th October 2025 at PETRONAS Leadership Centre, Malaysia. References CCPS Regional Meeting
- [Training](https://irescglobal.com/our-services/training.html) - IRESC offers tailored training courses on various topics in process safety, risk and reliability studies. The duration and content of the courses are designed to meet the specific needs of our clients, including engineering contractors and plant operators. Extending our know-how in analysis and assessment to technical training, IRESC is well positioned to help clients
- [Onshore Risk Assessment](https://irescglobal.com/our-services/onshore-sector.html) - Discover essential techniques for conducting onshore risk assessments. Enhance your skills in risk identification and management for better decision-making.
- [Reliability Engineering](https://irescglobal.com/our-services/reliability-engineering.html) - Master reliability engineering with our detailed guide. Explore best practices that boost efficiency, reduce failures, and enhance product reliability.
- [3D Fire & Gas Mapping](https://irescglobal.com/softwares/3d-fire-gas-mapping.html) - IRESC’s software utilises true 3D modelling techniques and is tailored for a variety of methodologies in compliance with most of the common industrial standards.
- [Ask IRESC](https://irescglobal.com/ask-iresc.html) - Got a question on safety, risk or environmental aspects of processing plants? Send it to us at askiresc@irescglobal.com. Our technical specialists will be in touch with you shortly.
- [Consideration of Cumulative Frequency of Hazard Scenarios in SIL/LOPA Review](https://irescglobal.com/publications/2015-publish/consideration-of-cumulative-frequency-of-hazard-scenarios-in-sil-lopa-review-hazards-asia-pacific-2015.html) - Often individual hazard scenarios or scenarios in the near zone of a process section where a safety instrumented system is provided; are considered in analyzing the frequency of events that can cause a demand on the safety instrumented system. However, given the complexity in process schemes with a high level of integration between various streams
- [Environmental Assessment](https://irescglobal.com/our-services/environmental-and-occupational-hazard.html) - Best practices for conducting environmental assessments, focusing on key steps, GHG forecasting, and navigating health and safety challenges.
- [Workshop Facilitation](https://irescglobal.com/our-services/workshop-facilitation.html) - Discover essential steps to prepare for a HAZOP workshop, ensuring effective risk assessment and enhanced safety in your projects.
- [Training](https://irescglobal.com/trainings.html) - IRESC offers customized training courses focused on Functional Safety, SIL Verification, and SIF Reliability for professionals in Process Industries
- [Software](https://irescglobal.com/softwares.html) - IRESC provides advanced software solutions for Process Safety Management, including a Safety Asset Database and Risk Integration for diverse facilities across regions.
- [3D Fire and Gas Mapping](https://irescglobal.com/our-services/3d-fire-and-gas-detection.html) - Optimize your safety protocols with our 3D Fire and Gas Mapping services, adhering to Shell, BP, and PETRONAS guidelines. Experience our innovative in-house software.
- [CFD Modelling](https://irescglobal.com/our-services/cfd-modelling.html) - Get precise CFD modelling for IRESC dimensioning, accidental load design, and superior ventilation and dispersion modelling to ensure safety and efficiency.
- [Occupational Hazard Assessment](https://irescglobal.com/our-services/occupational-hazard-assessment.html) - Stay informed on Occupational Health Risk Assessment and Human Factors Engineering to ensure a safe and efficient work environment for all employees.
- [Offshore Risk Assessment](https://irescglobal.com/our-services/offshore-sector.html) - Enhance your knowledge on conducting safety studies for offshore installations. Access expert insights and practical tips to ensure operational safety.
- [CCPS 13th Global Congress on Process Safety](https://irescglobal.com/events/2017-event/ccps-13th-global-congress-on-process-safety.html) - IRESC staff will be attending the conference and presenting papers on the following subjects: “Consideration of Escalation Risks in Facility Siting” “Handling Uncertainty in LOPA and SIF Design” We look forward to interacting with industry representatives and sharing our experience. For further details on the conference, visit Global Process Safety 2017 References Global Process Safety
- [4th CCPS Global Summit on Process Safety](https://irescglobal.com/events/2017-event/4th-ccps-global-summit-on-process-safety.html) - IRESC representatives attended the CCPS Summit in Okayama, Japan, where world-class international speakers shared their insights into the recent advancements in process safety. The leading theme of the summit was Process Safety Vision 2020, one of the major CCPS initiatives. IRESC was proud to be one of the sponsors of this event being held in
- [5th CCPS China Conference on Process Safety](https://irescglobal.com/events/2017-event/5th-ccps-china-conference-on-process-safety.html) - IRESC representatives attended this benchmark CCPS conference in Nanjing, China. The key topics of the conference included: Process Safety Management development in the region and its outlook, as well as the changes in regulations, codes and standards in the industry, among many other topics on the agenda. Our staff presented on the following topics at
- [CCPS Middle East Conference on Process Safety](https://irescglobal.com/events/2017-event/ccps-middle-east-conference-on-process-safety.html) - IRESC representatives attended the CCPS Middle East Conference on Process Safety held in Bahrain in October. Organized jointly by CCPS and AIChE, this conference hosted leading process industry stakeholders and organized discussions around the CCPS Vision 2020 initiative. IRESC set up an exhibition booth at the conference and it was a pleasure to meet the event attendees
- [Hazards Australasia 2018](https://irescglobal.com/events/2018-2/hazards-australasia-2018.html) - IRESC representatives will attend the Hazards Australasia 2018. This event is one of the most significant in the Process Safety industry, bringing together experts from industry, government agencies and services to discuss the key issues in process safety. The topics at the conference will cover knowledge and competence, engineering and design, systems and procedures, assurance,
- [2nd Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2023)](https://irescglobal.com/events/2024-2/2nd-thailand-international-chemical-engineering-chemical-technology-asia-conference-tnche-asia-2023.html) - Date: 20 - 23 June, 2023 Venue: Royal Cliff Hotel, Pattaya, Chonburi IRESC participated as one of the exhibitors in the 2nd Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2023) organized by the Thailand Institute of Chemical Engineers (TICHE) from 20th to 23rd June 2023 at Royal Cliff Hotel, Pattaya, Chonburi. IRESC
- [Digitization, Integration & Leveraging AI for enhanced Process Safety Management](https://irescglobal.com/publications/2025-2/digitization-integration-leveraging-ai-for-enhanced-process-safety-management.html) - This paper explores the digitization and integration of various process safety studies, from the concept and Front-End Engineering Design (FEED) stages through to Engineering, Procurement, and Construction (EPC), and extending into operation and maintenance. A key focus is on centralizing all study data, documents and workflow onto a single risk assessment platform. The concept further
- [Contact Us](https://irescglobal.com/contact-us.html) - You may contact us at info@irescglobal.com, or call any of our offices below. Hong Kong Unit 3105, 31/F,One Kowloon1 Wang Yuen Street,Kowloon BayKowloonHong Kong +852 3911-1000 香港九龙九龙湾宏远街1号一号九龙31楼3105室 Australia Level 139 Tallebudgera Creek RoadWest BurleighQueensland 4219 +61 (0)7-2145-6527 India Unit No. 801-805Narain ManzilBarakhambaConnaught PlaceNew Delhi 110 001 +91 (0)11-4044-6328 4th Floor, No 65222nd Cross, 23rd MainHSR Layout, Sector
- [AI-Enabled HAZOP: Automating Hazard Scenario Development and Risk Classification](https://irescglobal.com/publications/2025-2/ai-enabled-hazop-automating-hazard-scenario-development-and-risk-classification.html) - This paper explores the application of artificial intelligence (AI), natural language processing (NLP) and machine learning (ML) techniques to enhance Hazard and Operability (HAZOP) studies. The methodology employs advanced natural language processing techniques including semantic similarity analysis and generative models to generate potential consequences based on identified causes. Furthermore, it utilizes NLP, feature engineering techniques,
- [2025](https://irescglobal.com/publications/2025-2.html)
- [How Many Detectors Are Optimal for a Hazardous Facility?](https://irescglobal.com/publications/2024-2/how-many-detectors-are-optimal-for-a-hazardous-facility.html) - The intent of Fire & Gas Detection System (FGDS) is to provide timely detection of any fire scenario or gas release and to raise alarms and/or initiate appropriate control action. The main purpose is to minimize catastrophic damage associated with escalation events due to undetected and thereby unmitigated fire/gas release scenarios. To ensure that the
- [How to Leverage CFD to Improve Hazard Assessment and Enhance Safety?](https://irescglobal.com/publications/2024-2/how-to-leverage-cfd-to-improve-hazard-assessment-and-enhance-safety.html) - Computational Fluid Dynamics (CFD) has emerged as a crucial tool in risk and safety studies across various industries. Its ability to simulate and analyse fluid flow behaviour, coupled with advanced mathematical models, allows for precise prediction of potential hazards and the assessment of safety measures. This presentation explores the use of CFD in risk and
- [2024](https://irescglobal.com/publications/2024-2.html)
- [2024](https://irescglobal.com/events/2024-2.html)
- [Knowledge & Experience sharing event in Delhi](https://irescglobal.com/events/2018-2/knowledge-experience-sharing-event-in-delhi-3-feb-2023.html) - IRESC is organising a Knowledge & Experience Sharing Event on “Process Safety and Risk Management”, in New Delhi on Friday, 3rd of February 2023. We believe this will provide an opportunity for everyone in the industry to connect face to face after some years of being unable to do so due to the Covid and provide
- [Reset Password](https://irescglobal.com/reset-password.html)
- [TNChE Brochures](https://irescglobal.com/tnche-brochures.html) - General Service Software Experience F&G Mapping
- [Registration](https://irescglobal.com/events/2024-2/knowledge-sharing-event-on-process-safety-and-risk-management/registration.html) - Knowledge Sharing Event On Process Safety and Risk Management On the sidelines of 3rd Thailand International Chemical Engineering and Chemical Technology Asia Conference (TNChE Asia 2024) Date: 20 June, 2024Time: 9:00 am to 12 Noon (followed by lunch)Venue: Hotel Dusit Thani, Pattaya, Thailand Agenda 08:30 am to 09:00 am Registration/ Meet & Greet over Tea/
- [Registration Confirmed](https://irescglobal.com/events/2024-2/knowledge-sharing-event-on-process-safety-and-risk-management/registration-confirmed.html) - Knowledge Sharing Event On Process Safety and Risk Management Date: 20 June, 2024 Venue: Hotel Dusit Thani, Pattaya, Thailand Time: 9 AM to 12 Noon Thank you for registering for the upcoming Knowledge Sharing Event on Process Safety and Risk Management. The details of event programme and venue will be mailed to your registered email
- [Careers](https://irescglobal.com/careers.html) - At IRESC, we recognise that our strength comes from our highly dedicated employees. We believe in hiring carefully, celebrating individual and team success, and investing in our staff's professional development. IRESC offers opportunities to work on exciting HSE and risk consulting projects with a diverse range of clients who seek a trusted advisor in protection
- [Registration](https://irescglobal.com/events/2023-2/knowledge-sharing-event-on-process-safety-and-risk-management/registration.html) - Knowledge and Experience Sharing Event On Process Safety and Risk Management Friday, 3 February, 2023 Time: 12 Noon to 5:30 pm Radisson Blu Hotel, Dwarka, New Delhi Event Programme 12 noon to 1:30 pm : Meet and Greet over Lunch 1:30 pm to 1:45pm : Introductory address 1:45 pm to 3:15 pm : First round
- [Registration Confirmed](https://irescglobal.com/events/2023-2/knowledge-sharing-event-on-process-safety-and-risk-management/registration-request-received.html) - Knowledge Sharing Event On Process Safety and Risk Management 3 February, 2023 Radisson Blu Hotel, Dwarka, New Delhi Time: 12 PM to 5:30 PM Thank you for registering for the upcoming Knowledge Sharing Event on Process Safety and Risk Management. The details of event programme and venue have been mailed to your registered email id.
- [Knowledge Sharing Event on Process Safety and Risk Management](https://irescglobal.com/events/2023-2/knowledge-sharing-event-on-process-safety-and-risk-management.html) - Time: 12 Noon to 5:30 PM This event will help you understand: What is CFD? Who uses it? Why is it used? When should you use it? Where is it used? How to interpret the results? What to keep in mind while scoping and reviewing a CFD analysis? Some of the latest developments in the
- [2023](https://irescglobal.com/events/2023-2.html)
- [About Us](https://irescglobal.com/about-us.html) - IRESC was founded in 2012 by a group of experienced professionals with the aim to serve the oil and gas industry as a specialist risk consulting firm with a global outlook. IRESC has staff working from Hong Kong, Singapore, Delhi, Bengaluru, Chennai, Houston and Brisbane and has plans to expand to other locations such as
- [Events](https://irescglobal.com/events.html)
- [India](https://irescglobal.com/careers/india.html) - Role – Risk and Safety Consultant Location – INDIA Who are we? IRESC Global is an integrated risk, environmental and safety consultancy group providing independent services in process safety, risk and reliability for clients in offshore and onshore, oil & gas and petrochemical sectors. What are we providing? IRESC offers an excellent opportunity to work
- [Quality Policy](https://irescglobal.com/about-us/quality-policy.html) - IRESC Quality Policy IRESC is committed to providing high quality risk, process safety, environmental and reliability consulting services meeting customer expectations and applicable statutory and regulatory requirements. IRESC is committed to enhance customer satisfaction through continual improvement of its services and the quality management system. Quality Management System IRESC has developed and implemented a Quality
- [Contact](https://irescglobal.com/contact-3.html) - Hong Kong +852 3909-9800 Brisbane +61 (0)7-5641-1150 New Delhi +91 (0)11-4350-2801 Bengaluru +91 (0)90-3636-6417 Chennai +91 (0)11-4350-2801 Singapore +65 9665-2915 Houston +1 713-914-8694 for enquiry, contact us online or mail us info@irescglobal.com
- [Houston](https://irescglobal.com/careers/houston.html) - Role – Risk and Safety Consultant Location – Houston, Texas Who are we? IRESC Global is an integrated risk, environmental and safety consultancy group providing independent services in process safety, risk and reliability for clients in offshore and onshore, oil & gas and petrochemical sectors. What are we providing? IRESC offers an excellent opportunity to
- [Bengaluru](https://irescglobal.com/careers/bengaluru.html) - Role – Risk and Safety Consultant Location – Bengaluru, INDIA Who are we? IRESC Global is an integrated risk, environmental and safety consultancy group providing independent services in process safety, risk and reliability for clients in offshore and onshore, oil & gas and petrochemical sectors. What are we providing? IRESC offers an excellent opportunity to
- [The Functional Safety Lifecycle – Looking Beyond LOPA](https://irescglobal.com/publications/2018-2/the-functional-safety-lifecycle-looking-beyond-lopa.html) - LOPA has become the go-to method for establishing the reliability requirements of safety instrumented functions (SIFs). However, the objectives of a LOPA study are not realized if the reliability requirements are not actually achieved and/or maintained throughout the life of the SIF. In fact, the LOPA study is just one of several essential steps in
- [Hazards in Plant Modifications, Revamping, Upgrading, Expansion works – do we know and have we evaluated all the associated risks?](https://irescglobal.com/publications/2018-2/hazards-in-plant-modifications-revamping-upgrading-expansion-works-do-we-know-and-have-we-evaluated-all-the-associated-risks.html) - Plant modifications are routinely performed to meet the operational needs and implement minor design improvements which are handled largely by in-house teams. Extensive revamping and expansion works are carried out to upgrade or expand capacities for which external engineering firms may be employed. Revamping/ expansion works provide a cost effective way to improve capacities of
- [2018](https://irescglobal.com/publications/2018-2.html)
- [Enviro 2018](https://irescglobal.com/events/2018-2/enviro-2018.html) - Debabrata Panda from IRESC was invited to present in “Enviro-2018” seminar held in New Delhi on 26th-27th February 2018. He gave a presentation on “Incidents of Fire and Explosion – Use of QRA for Land Use Planning”. The presentation highlighted risks from fire and explosion events that may result in catastrophic events having impact well
- [Acknowledgement](https://irescglobal.com/acknowledgement.html) - Thank you for taking the online test. You will be contacted by IRESC Recruitment Team after the evaluation of your test results. Please allow at least 2 weeks for the evaluation procedure to be completed.
- [help](https://irescglobal.com/help.html) - Important: Please read the following instructions carefully before taking the test! Test Instructions: This test contains two (2) sections: Aptitude (Section 1) and Writing (Section 2). Section 1 - Aptitude consists of twenty five (25) multiple-choice questions from 1 to 25. Section 2 - Writing consists of two (2) questions from 1 to 2. Total
- [Terms and Conditions](https://irescglobal.com/terms-and-conditions.html) - Important: Please read the following instructions carefully before taking the test! Test Instructions: This test contains two (2) sections: Aptitude (Section 1) and Writing (Section 2). Section 1 - Aptitude consists of twenty five (25) multiple-choice questions from 1 to 25. Section 2 - Writing consists of two (2) questions from 1 to 2. Total
- [Answers](https://irescglobal.com/answers.html)
- [Questions](https://irescglobal.com/questions.html)
- [Candidate List](https://irescglobal.com/candidate-list.html)
- [Sign In](https://irescglobal.com/sign-in.html)
- [2018](https://irescglobal.com/events/2018-2.html)
- [Registration Request Received](https://irescglobal.com/events/2018-2/knowledge-sharing-event-on-computational-fluid-dynamics-cfd-in-the-oil-gas-industry/registration-request-received.html) - Knowledge Sharing Event On Computational Fluid Dynamics (CFD) In The Oil & Gas Industry 6 March, 2018 Abu Dhabi Time: 9 AM to 3 PM Thank you for registering your request for the upcoming one day seminar. After successful evaluation, a confirmation email regarding participation will be sent to each of the successfully registered email
- [Registration](https://irescglobal.com/events/2018-2/knowledge-sharing-event-on-computational-fluid-dynamics-cfd-in-the-oil-gas-industry/registration.html) - Knowledge Sharing Event On Computational Fluid Dynamics (CFD) In The Oil & Gas Industry 6 March, 2018 Abu Dhabi Time: 9 AM to 3 PM
- [Optimizing Fire & Gas Detection Coverage and Layout using 3D mapping](https://irescglobal.com/publications/2017-publish/optimizing-fire-gas-detection-coverage-and-layout-using-3d-mapping.html) - A Fire & Gas Detection System enables detection of a gas release or a fire scenario and raises alarms and/or initiates appropriate control action (system isolation, deluge, facility shutdown, etc.). This serves to minimize the potential for escalation of events that could lead to a catastrophic damage. To achieve this objective, the coverage of fire
- [training calendar](https://irescglobal.com/trainings/calendar.html) - Our upcoming scheduled training courses are shown below. For enquiries and registration please contact us at the email address provided. Date No. of Days Course Location Contact Nov 28 to Nov 30, 2017 3 Functional Safety in Process Industry Baroda baroda.trg@irescglobal.com Dec 5 to Dec 7, 2017 3 Functional Safety in Process Industry Rayong rayong.trg@irescglobal.com
- [Reliability Modelling of Over-pressure Protection Systems for Oil and Gas Flowlines](https://irescglobal.com/publications/2017-publish/reliability-modelling-of-over-pressure-protection-systems-for-oil-and-gas-flowlines.html) - Detailed analysis of the reliability of over-pressure protection systems for well flowlines is necessary given the potentially catastrophic consequences of loss of containment. This paper presents a method for modelling such systems, using simplified equations and the beta factor method for the analysis of common cause failures. Various scenarios were modelled, representing different configurations of
- [Managing Process Alarms - A Systematic Way to Improve Operator Response](https://irescglobal.com/publications/2017-publish/managing-process-alarms-a-systematic-way-to-improve-operator-response.html) - Alarms are an audible and visual means of alerting an operator about an abnormal condition or a system out of normal operating range. They provide early indication of a potential hazard or production upset. Due to the introduction of advanced control system, the uses of alarms have increased since they are easy to configure and
- [Cognitive Impact of IoT & AI on Oil & Gas](https://irescglobal.com/publications/2017-publish/cognitive-impact-of-iot-ai-on-oil-gas.html) - Systems capable of processing cognitive data use techniques which apply human-like capabilities such as learning, understanding, reasoning and implementation. In the oil and gas industry, these techniques are poised to transform organizations and industries. In this era of abundance, decision-making to streamline rapid extraction, optimal storage, efficient processing and on time delivery are as important
- [Moving into a Smarter and More Efficient HAZOP and LOPA to Ensure Identification of Keyholes in Current Safety Systems](https://irescglobal.com/publications/2017-publish/moving-into-a-smarter-and-more-efficient-hazop-and-lopa-to-ensure-identification-of-keyholes-in-current-safety-systems.html) - The presentation addressed the need to update and enhance the key studies HAZOP and LOPA so that keyholes in current safety system are identified and managed. The session also highlighted the shift to smarter and more efficient study assessment technique for HAZOP and LOPA in order to sustain the growing momentum of process safety culture.
- [9th Annual Process Safety Summit](https://irescglobal.com/events/2017-event/9th-annual-process-safety-summit.html) - IRESC attended the 9th Annual Process Safety Summit as the Strategic Consulting Partner for the event. The Summit was held in Abu Dhabi, UAE. The meeting will focus on regional and global trends in process safety, including best practices in human error prevention, effective management of Change strategies, and leadership and communication improvement. The event
- [Impact of Escalation and Cumulative Risks in Chemical Parks](https://irescglobal.com/publications/2017-publish/impact-of-escalation-and-cumulative-risks-in-chemical-parks.html) - Quantitative Risk Analysis (QRA), together with Occupied Building Risk Analysis and Fire and Explosion Risk Analysis, are techniques commonly used by international regulators and facility owners to quantify the risk from process plants. In China, the legislative requirements for risk assessment are stated in Temporary Regulation for Monitoring and Managing of Major Hazardous Installations. The
- [An “Outside the Box” Approach to Management of Change Process](https://irescglobal.com/publications/2017-publish/an-outside-the-box-approach-to-management-of-change-process.html) - Changes are inevitable in any processing facilities during both design and operational phases. Proper management of these changes is of utmost importance in order to address the associated risk. Identifying the changes that need careful attention becomes the key for the management of change process. A number of incident investigation reports identified that ineffective management
- [Modelling of Radiation Impacts from Multiple Ignited PSVs on LNG Tanks](https://irescglobal.com/publications/2017-publish/modelling-of-radiation-impacts-from-multiple-ignited-psvs-on-lng-tanks.html) - Pressure Safety Valves (PSV) on Liquefied Natural Gas (LNG) storage tanks are designed for high relieving rates in excess of 100 tons/hr. Typically, multiple PSVs are installed on the tank roof and the relieved gases are vented directly to atmosphere. Ignition of PSV release can result in high levels of thermal radiation on the tank
- [Is QRA Relevant to Japan?](https://irescglobal.com/publications/2017-publish/is-qra-relevant-to-japan.html) - Japan is a country with a high population density and land constraints. Thus, it is not uncommon to find hazardous installation in proximity to residential and commercial developments. Any major accident in these installations could have the potential for causing a large number of injuries and fatalities. In the case of industrial zones where hazardous
- [2016](https://irescglobal.com/publications/2016-publish.html)
- [2015](https://irescglobal.com/publications/2015-publish.html)
- [2013](https://irescglobal.com/publications/2013-publish.html)
- [2017](https://irescglobal.com/publications/2017-publish.html)
- [Overview](https://irescglobal.com/our-services/overview.html) - IRESC offers a full range of capability for risk and HSE consulting services to meet our clients' need at various stages of engineering from conceptual design to startup and commissioning and operations. We serve as a 'one-stop-solutions' provider, providing integrated solutions to help our clients in developing robust and sustainable HSE management strategies. Industry Sectors
- [Research & Collaboration](https://irescglobal.com/about-us/research-collaboration.html) - Collaboration with HKUST IRESC has sponsored a research project with the Hong Kong University of Science & Technology (HKUST) to investigate the radiation impacts in the event of ignition of discharge from multiple PSVs. The research is in progress. As part of this project, a paper was presented by the HKUST team at the ASME
- [Publications](https://irescglobal.com/publications.html)
- [Leak Frequency Analysis](https://irescglobal.com/softwares/leak-frequency-analysis.html) - Our software provides a unified platform for the key steps involved in leak frequency analysis. The program features a graphical interface which enables electronic markup of project drawings, with the goal of enhancing traceability and auditability of the parts count process. The program is preloaded with failure data from reputable sources (eg. OGP) and, for
- [Risk Integration](https://irescglobal.com/softwares/risk-integration.html) - Calculating and presenting risks in a range of forms including Location Specific Individual Risk (LSIR), Individual Risk Per Annum (IRPA), Potential Loss of Life (PLL) and F-N curves
- [Hazards Asia Pacific 2017](https://irescglobal.com/events/2017-event/hazards-asia-pacific-2017.html) - IChemE together with the Chemical Industries Council of Malaysia is organizing the Hazards Asia Pacific 2017. The main theme of the event is Process Safety: Now, more than ever, focusing on the strategies for process safety to survive and thrive in the current economic scene. The symposium will host an impressive lineup of over 70 speakers from
- [IRESC - Industry Seminar](https://irescglobal.com/events/2017-event/industry-seminar-in-doha-qatar.html) - IRESC organized a one day seminar on 15th of May, 2017 in Doha, Qatar on “Recent Developments in Process Safety and Risk Assessment” for the Oil & Gas, Refinery and Chemical Industry. The event was attended by Facility Operators/Owners, and Engineering Consultants/ Contractors from the Industry. We thank the attendees for their interest and their
- [Hazards 27](https://irescglobal.com/events/2017-event/hazards-27.html) - IRESC staff gave a poster presentation at the conference on the subject of “Fire Consequence Modelling – A Comparison of Results from PHAST & KFX” The event was a great opportunity to meet with representatives from the industry, hear their thoughts and insights. For further details about the conference, please visit : Hazards 27
- [3rd Russia & CIS Process Safety Forum](https://irescglobal.com/events/2017-event/3rd-russia-cis-process-safety-forum.html) - IRESC staff attended the forum and also delivered a presentation on the topic "Control of Escalation Risk", which sparked avid discussion among the audience. We are delighted to have attended the event and look forward to continue to serve our clients in Russia and CIS countries.
- [IRESC - Industry Seminar](https://irescglobal.com/events/2017-event/industry-seminar-in-vadodara-india.html) - IRESC had organized a one day seminar on 8th March 2017 in Vadodara, India on “Process Safety – A Knowledge Sharing Event” for the Oil & Gas, Refinery and Chemical Industry. We thank all the companies who sent their representatives to attend the seminar. We also thank the guest speakers from the regulatory agency and
- [Enviro 2017](https://irescglobal.com/events/2017-event/enviro-2017.html) - Debabrata Panda from IRESC was invited to present in “Enviro-2017” seminar held in New Delhi on 27th- 28th February 2017. He gave a presentation on “Offshore Risk Assessment – Ensuring protection of Safety Critical Elements” which addressed use of studies such as FERA (Fire & Explosion Risk Assessment) for estimating Design Accidental Load (DAL) of
- [FABIG 89th Technical Meeting](https://irescglobal.com/events/2016-event/fabig-89th-technical-meeting.html) - Fire and Blast Information Group (FABIG), UK invited Sharad Gupta to present at their 89th Technical Meeting: “New Insights into Risk Assessment” held in Aberdeen and London on 30 Nov/1 Dec 2016. His presentation on “CFD based Explosion Risk Analysis (ERA) using Time Varying Release Rates in Dispersion Simulations” showed how this approach could lead
- [IRESC - Industry Seminar](https://irescglobal.com/events/2016-event/industry-seminar-in-rayong-thailand.html) - IRESC hosted a one day seminar on 9th December 2016 in Rayong, Thailand on “Practical Approach to Enhance Process Safety Performance in Operating Plants”. We thank all the companies who sent their representatives to attend the seminar. Follow us on our LinkedIn page and our website for updates regarding future events and IRESC's services in
- [3rd CCPS Global Summit on Process Safety](https://irescglobal.com/events/2016-event/3rd-ccps-global-summit-on-process-safety.html) - IRESC staff participated in the 3rd Global Summit on Process Safety held on 4th - 5th December, 2016 in Dammam, Kingdom of Saudi Arabia. We thank all the conference attendees who visited IRESC booth at the Exhibition. Follow us on our LinkedIn page and our website for updates regarding future events.
- [Society of Petroleum Engineers Lecture](https://irescglobal.com/events/2016-event/society-of-petroleum-engineers-lecture-in-yangon-myanmar.html) - Dennis Ngai from IRESC was invited by the Society of Petroleum Engineers (SPE), Yangon, Myanmar to speak at their November 2016 meeting. He gave a lecture on “Assessing and Managing the Risk of Overpressure on Wellhead Facilities”, which addressed the risk of over-pressurisation of wellhead flowlines and how such risks can be managed in a cost-effective
- [IRESC - Industry Seminar](https://irescglobal.com/events/2016-event/industry-seminar-in-cilegon-indonesia.html) - IRESC organized a one day seminar on 11th November 2016 in Cilegon, Indonesia on “Practical Approach to Enhance Process Safety Performance in Operating Plants” for the Petrochemical, Oil & Gas, Refinery and Chemical Industry. The seminar covered various topics including HAZOP, QRA, Functional Safety, Process Safety Management and Alarm Management, presented by a specialist group
- [IRESC - Industry Seminar](https://irescglobal.com/events/2016-event/industry-seminar-in-chennai-india.html) - IRESC organized a one day seminar on 26th August 2016 in Chennai, India on “Recent Trends in Process Safety and Risk Assessment” for the Oil & Gas, Refinery and Chemical Industry. The seminar covered various topics including Fire and Explosion, Functional Safety, Risk Mitigation and Process Safety Management, presented by a specialist group from IRESC. We would
- [International Symposium](https://irescglobal.com/events/2016-event/international-symposium.html) - Hilton Conference Center, 801 University Drive East College Station, TX, US Conference Website IRESC staff presented at this conference on the following topics: “High Pressure Relief Systems in LNG Receiving Terminals – A Safety Case for HP Flare” (by Sunny Choi at the session on "LNG" at 11:00am, Oct 26th) & “Inherently Safer Design &
- [2016](https://irescglobal.com/events/2016-event.html)
- [2017 MKOC International Symposium](https://irescglobal.com/events/2017-event/mkoc-international-symposium.html) - IRESC representatives will attend the Mary Kay O'Connor Process Safety Center International Symposium for the second year in a row. This event is one of the most significant in the Process Safety industry, bringing together experts from industry, academia, government agencies and services to discuss the key issues in process safety. Akshat Khirwal of IRESC
- [2017](https://irescglobal.com/events/2017-event.html)
- [A CFD Based Explosion Risk Analysis Methodology Using Time Varying Release Rates in Dispersion Simulations](https://irescglobal.com/publications/2016-publish/a-cfd-based-explosion-risk-analysis-methodology-using-time-varying-release-rates-in-dispersion-simulations-journal-of-loss-prevention-in-the-process-industries.html) - A full probabilistic Explosion Risk Analysis (ERA) is commonly used to establish overpressure exceedance curves for offshore facilities. This involves modelling a large number of gas dispersion and explosion scenarios. Capturing the time dependent build up and decay of a flammable gas cloud size along with its shape and location are important parameters that can
- [Emergency Isolation Valves for Pump Suction: Application for Flammable Liquids](https://irescglobal.com/publications/2016-publish/emergency-isolation-valves-for-pump-suction-application-for-flammable-liquids-loss-prevention-2016-dechema.html) - Loss of containment due to mechanical seal failure, flange connection leak or small bore connection failure associated with pumps is recognised as a significant hazard. To minimise the inventory that could leak, Emergency Isolation Valves (EIVs) are provided at the suction of pumps or at the bottom of the vessel connecting to the pump suction.
- [Investigation of Flame Height from Multiple Liquefied Natural Gas Fire](https://irescglobal.com/publications/2016-publish/investigation-of-flame-height-from-multiple-liquefied-natural-gas-fire-asme-2016-power-conference.html) - The research of multiple liquefied natural gas fires is limited due to the unique condition of temperature and velocity. Therefore, the effect of the distance between multiple liquefied natural gas jet fires on the characteristics of the flame is investigated by numerical methods in this paper. Grid analyses have been carried out to establish sufficient
- [High Pressure Relief Systems in LNG Receiving Terminals - A Safety Case for HP Flare](https://irescglobal.com/publications/2016-publish/high-pressure-relief-systems-in-lng-receiving-terminals-a-safety-case-for-hp-flare-mkoc-2016.html) - Worldwide demand for liquefied natural gas (LNG) has been steadily increasing, leading to the design and construction of larger receiving terminals in recent years. While the safety record of the LNG industry has been good, it may be beneficial to review some of the standard design safety features, with regard to their adequacy given the
- [Inherently Safer Design & Robust Protection Layers for High Consequence Hazards](https://irescglobal.com/publications/2016-publish/inherently-safer-design-and-robust-protection-layers-for-high-consequence-hazards-mkoc-2016.html) - Reliance on standard protection layers which have been used commonly in the industry, on its own, may not be sufficient in all cases. Although these protection layers are believed to be adequate for existing facilities, a more detailed analysis in terms of adequacy of the safety design features and the protection layers may be required
- [Establishing Minimum Requirements for Fire and Gas Detection for Process Facilities](https://irescglobal.com/publications/2013-publish/establishing-minimum-requirements-for-fire-and-gas-detection-for-process-facilities-hazards-australasia.html) - Fire and gas detectors are provided in process facilities - both onshore and offshore for raising alarms as well as automatic shutdown / depressurization actions as part of essential safety design features. However, there is a wide variation in the approach and philosophy adopted during the design and implementation of such detector systems with associated
- [LNG Tank - Revisiting Overfilling and Overpressurisation Hazards](https://irescglobal.com/publications/2013-publish/lng-tank-revisiting-overfilling-and-overpressurisation-hazards-hazards-australasia.html) - This paper discusses the improvement of safety in LNG tanks designs over years, the safeguards available in modern full containment LNG tank design against the "credible" hazards including overfilling and overpressurisation and the potential shortfall in the design. A frequency assessment has then been performed to quantify the likelihood of a full containment LNG tank
- [Enhancing Safety of Ammonia/Urea Fertilizer Complexes](https://irescglobal.com/publications/2013-publish/enhancing-safety-of-ammonia-urea-fertilizer-complexes-hazards-australasia.html) - Fertiliser is an essential component in maximising crop yields in the agriculture industry. Fertilizers are substances which are used to increase crop yields and crop quality by providing one or more of the essential plant nutrients nitrogen (N), phosphorus (P) and potassium (K). These three are primary nutrients and their most common sources are ammonium
- [Handling Uncertainty in LOPA and SIF Design](https://irescglobal.com/publications/2017-publish/handling-uncertainty-in-lopa-and-sif-design-alche-2017-13th-global-congress-on-process-safety.html) - Layer of protection analysis (LOPA) is a widely used semi-quantitative method for determining the reliability requirement for safety instrumented functions (SIFs). An advantage of LOPA is that it specifies a numerical reliability target - the average probability of failure on demand (PFDavg). However, uncertainties in the input parameters and simplifications within the LOPA method lead
- [Fire Consequence Modelling - A comparison of the results from PHAST and KFX](https://irescglobal.com/publications/2017-publish/fire-consequence-modelling-comparison-of-results-from-phast-and-kfx-hazards-27-conference-2017.html) - Fire consequence modelling is routinely performed as part of safety studies for onshore and offshore installations in the oil and gas industry. While PHAST software is commonly used for this purpose, the use of KFX software has increased considerably in recent times to provide better accuracy in the results. KFX uses Computational Fluid Dynamics (CFD)
- [Consideration of Escalation Risks in Facility Siting](https://irescglobal.com/publications/2017-publish/consideration-of-escalation-risks-in-facility-siting-alche-2017-13th-global-congress-on-process-safety.html) - A small fire when uncontrolled, can potentially lead to failure of equipment containing a large inventory of hydrocarbon or a structure holding hydrocarbon bearing equipment within the same process unit, resulting in an escalation of a minor event to a much larger event with catastrophic consequences. Similarly, a major fire in a process unit can
- [IRESC](https://irescglobal.com/iresc.html)
- [Welcome to IRESC](https://irescglobal.com/home.html) - We perform technical analyses leading to practical solutions IRESC has a team of highly qualified, multi-disciplinary process safety and risk practitioners with global experience. We provide services for clients in the Offshore and Onshore Oil & Gas Processing, Refineries, Chemical and Petrochemical sectors and have undertaken process safety, risk, environmental and reliability studies for major
- [IRESC](https://irescglobal.com/iresc-2.html)
- [IRESC](https://irescglobal.com/iresc-3.html)
- [Health Policy](https://irescglobal.com/about-us/health-policy.html) - IRESC has established safe work practices to achieve high standards of safety and health in the work environment for all employees and those affected by our activities. IRESC is committed to: Providing supportive and accountable leadership for promoting and fostering safe and healthy work conditions Ensuring compliance with legal requirements at all times, regardless of
- [Our People](https://irescglobal.com/about-us/our-people.html) - IRESC Team Our prime assets as a knowledge-based company are our employees. We have a team of dedicated, multinational consultants. We have a talented pool of professionals with diverse skills and background to work as one team dedicated to providing high quality risk and HSE consulting services. Our team comprises of engineers and specialists from
- [Our Mission, Vision & Values](https://irescglobal.com/about-us/our-mission-vision-values.html) - Our Mission IRESC is committed to providing independent analysis, advice and cost effective and practical solutions to businesses to achieve their goals on safety, environment and risk. We strive to establish a successful and long-term partnership with our clients. We are committed to creating a supportive environment to foster the growth of our multicultural team
- [Inherently Safer Design & Robust Protection Layers for High Consequence Hazards](https://irescglobal.com/blog/inherently-safer-design-robust-protection-layers-for-high-consequence-hazards.html) - Akshat Khirwal, Venkatesh Sourirajan IRESC Abstract Reliance on standard protection layers which have been used commonly in the industry, on its own, may not be sufficient in all cases. Although these protection layers are believed to be adequate for existing facilities, a more detailed analysis in terms of adequacy of the safety design features and
- [Our Services](https://irescglobal.com/our-services.html)
- [A homepage section](https://irescglobal.com/a-homepage-section.html) - This is an example of a homepage section. Homepage sections can be any page other than the homepage itself, including the page that shows your latest blog posts.
- [Sample Page](https://irescglobal.com/sample-page.html) - This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this: Hi there! I'm a bike messenger

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