COMAH Tier Calculations – You Ask, We Answer

Carrying out COMAH calculations seems simple, but can be a daunting task. We answer some FAQs regarding COMAH tier calculations
Lower Tier, Upper Tier or Out of Scope? The Traps Hidden in COMAH Calculations

COMAH tier calculations look simple but rarely are. Understand the 2% rule, the aggregation rule and hazard-type summation, and when to get expert help.
COMAH Calculations Case Study – Anaerobic Digestion Facility

An anaerobic digestion facility required clarity on its obligations under the Control of Major Accident Hazards (COMAH) Regulations, particularly in relation to the quantity of dangerous substances handled onsite, this is how we helped.
Tank Storage Demolition DSEAR – Case Study

A major oil terminal operator engaged OTECSA to review an existing DSEAR risk assessment relating to the demolition of crude oil a storage tank at one of its terminal sites.
Is Your Site Ready for MHHHRA?

The Major Hazard Human Harm Risk Assessment — MHHHRA — is the most significant development in COMAH safety report practice in years
MHHHRA is coming, are you ready?

Major Hazard Human Harm Risk Assessment has been developed as a comprehensive guidance document by CDOIF. It is coming as “best practice” for CoMAH regulated sites.
Standard Consultancy Terms

As a provider of professional process safety services, here are our standard consultancy terms and conditions for engagement.
DSEAR on demand training now available

OTECSA now offer a 10 module DSEAR Awareness training course through our learning management system.
Junior Process Safety Consultant – now hiring

We’re expanding our team and looking for the right person to join us!
Why does a DSEAR Risk Assessment cost so much?

Why does my DSEAR RA cost so much? This is a question we rarely get directly asked, but we can definitely tell that clients are often bursting to ask when they receive quotes for these studies.