Hazardous Area Classification
HSL is to run a 1 day course on Hazardous Area Classification.
6 December 2018
Other available dates: email us to
28 February 2019
HSE Training runs three different courses to help employers
comply with the Dangerous Substances and Explosive Atmospheres
Regulations 2002 (DSEAR). These are:
It is intended that delegates select which course is the most
relevant to them rather than attending more than one.
The Dangerous Substances and Explosive Atmospheres Regulations
(DSEAR) require that areas where accidental releases of dangerous
substances could occur are identified and classified according to
the likelihood of the formation of a flammable atmosphere. Within
classified areas sources of ignition should be controlled. This
course is designed to provide delegates with the knowledge to carry
out straightforward hazardous area classification in accordance
with commonly used standards or to act as an intelligent customer
when contracting others to deliver this role.
The course covers
- The legal duties
- The classification of hazardous substances
- The relevance of the physical/chemical properties of gases,
liquids, dusts and mists to area classification
- The classification of hazardous areas by zone, including the
concept of a zone of negligible extent (NE)
- How ventilation is taken into account when determining the
hazardous zone and the concept of Vz
- A recently developed scientific approach to area
- The national and international standards and guidance commonly
used in area classification including practical examples of their
- An introduction to equipment for use in explosive
- Primarily this course covers gases, vapours and liquids, with
some discussion of dusts. Those interested solely in dusts
hazards should attend the DSEAR -
Controlling Dust Explosion Risks course.
Who should attend
This course is suitable for all those who may be asked to carry
out hazardous area classification as part of a DSEAR assessment
including process safety and electrical engineers and health and
The course will be run at the HSL laboratory in the spa town of
Buxton. Buxton is in the heart of the Peak District and has good
links to mainline train stations and Manchester International
Details of hotels in the Buxton area can be found at www.visitbuxton.co.uk
The cost of the course is £625 per person (includes course
notes, lunch and refreshments).
Please note the invoice option is not available within 4
weeks of the course date, or for overseas customers. If you
are selecting the invoice option for payment, it will be mandatory
to input a purchase order/reference number as we are unable to
process booking forms without this.
For further dates and additional information email: email@example.com
or contact the Training & Conferences Unit
at HSL directly on +44 (0)203 028 3704.
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