Effective Emergency Relief System (ERS) design helps companies meet risk-management goals, compliance requirements, and sound business practices. ioMosaic provides a total ERS solution with our comprehensive ERS design services, from reactivity testing for design basis determination to calculations for Z-axis deflection from dynamic loads.
Our team has decades of experience performing PRFS analysis and design.
Our risk-based approach helps mitigate near-unventable scenarios to a tolerable level of risk.
Better evaluate hazards in your facility with an accurate process simulation.
Delivering properly designed pressure relief systems that save both money and time.
Reasonable estimates of the expected time to failure (ettf) or expected time to yield (etty) are required and necessary for effective risk management as well as effective emergency and fire protection and response. Read this paper for a demonstration of calculating ettf or etty in fire exposure scenarios with Process Safety Office® SuperChems™.
Ever since OSHA implemented their National Emphasis Program in 2007, facility’s pressure relief systems design basis have come under increasing scrutiny. Recognizing that they may not be fully compliant, many companies are conducting audits of their relief systems design basis to determine their current state, identify gaps, and establish a path forward for compliance. ioMosaic Corporation is often called upon to conduct these audits, and in doing so, has developed a successful methodology to do this efficiently and effectively. This paper outlines how companies can conduct audits of their relief systems in a successful way. The explosion at BP’s Texas City Refinery on March 23, 2005 triggered an industry-wide increase in focus on pressure relief systems design basis. Relevant codes and standards, such as API Standard 520 [1], [2] and 521 [3] were updated and expanded. At the same time, OSHA implemented CPL-03-00-004 (Petroleum Refinery Process Safety Management National Emphasis Program) in 2007, followed by CPL-03-00-014 (PSM Covered Chemical Facilities National Emphasis Program) in 2011. Both of these programs involved onsite auditing activities, with pressure relief systems being one area of particular focus. Since then, there is still a continued awareness of the benefit and need to audit pressure relief systems. Additionally, Section O of the OSHA PSM Standard requires that compliance audits be conducted every three years. Since a facility's relief systems design and design basis is part of its Process Safety Information (PSI), this information should be audited every three years, and revalidated every five years.
This PSE module performs efficient tracking of process safety related data and analysis. A customized workflow allows for a specific operating unit or the entire facility to be studied and evaluated for compliance.
A large U.S. company in the oil and gas industry needed to evaluate their protective relief systems in a unit of abnormal operation in which a reactor in a two-stage reactor system was to be bypassed. The client wanted to have the capabilities to safely bypass either of the reactors while not having to shut down the entire unit. Read this case study to find out how we delivered solutions that empowered the client to confidently bypass either reactor without unit shutdown, safeguarding continuous operations.
Jun 1, 2025
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Dec 1, 2024