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Firewater System Design: Ensuring Safety and Reliability
There are several steps involved in designing firewater systems. Not only calculating firewater demand and ensuring proper coverage but...

Håkon Tjørhom | Principal Consultant
Jun 8, 20238 min read


QRA Modelling of Domino Effects for Onshore Process Plants
In this article: What is a domino effect? Modelling the domino effect for onshore plants Conclusion Seveso Directive states that domino...

Carsten Stegelmann | Principal Consultant
May 15, 20236 min read


ATEX Assessments: Full Guide
In this article: Introduction to ATEX Hazardous areas and ATEX zones Classification and calculation of the extent of zones Conclusion...

ORS
May 3, 20237 min read


Loss of containment QRA modeling
In this article: Planning Information gathering (system description) HAZID Frequency analysis Consequence analysis Risk integration...

Carsten Stegelmann | Principal Consultant
Apr 18, 20235 min read


What is the difference between the Process Safety Time and the SIF Response Time?
In this article: Introduction What is the ‘Process Safety Time’ and the SIF Response Time? Which one should you use? How to calculate...

Neill Renton | Principal Consultant
Apr 12, 20234 min read


Re-HAZOP and Modification HAZOP: Understanding the differences and when to use each methodology.
In this article: What is a Modification HAZOP? Pitfall with modification HAZOP What is a Re-HAZOP? What triggers a Re-HAZOP? Necessary...

Rikard Davidsen | Senior Consultant
Feb 27, 20232 min read


ORS Consulting acquires RCLD in Aberdeen
ORS Consulting (ORS), a Scandinavian industrial risk management advisory with offices in Norway, Sweden, and Denmark, has acquired a...

Baris Arslan | Principal Consultant
Jan 2, 20231 min read


HAZOP vs HAZID – when is one more useful than the other?
Introduction to HAZOP and HAZID Two common ways of identifying and analysing potential risks are the Hazard and Operability (HAZOP) and...

ORS
Sep 20, 20225 min read


Essentials of Pressure Safety Valve (PSV) sizing
Despite safety precautions in design and operation, equipment failure, human error, control loop failure, external events etc. can lead...

Carsten Stegelmann | Principal Consultant
Jun 8, 20223 min read

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