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Hazardous Area Equipment, Legislation & Safe Practice Training Course.

Reference Number:183 Please send me an email with the details of the next course.

For whom intended | Outline

 

Training Course Summary:

Our most popular and highly-rated course, the 3-day programme is aimed at those involved at every level gain a solid understanding of the safety of Ex equipment, current safety legislation and codes of practice.

It looks at the types of equipment used, protection methods and maintenance of these hazardous areas.

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Target Audience:

The course is designed for those involved at every level within potentially explosive atmospheres.

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Training Course Outline

Day One

Introduction
Flammable Materials (60 mins)
The characteristics and properties of flammable material: flash point, auto-ignition temperature,
flammable limits (including an explosion demonstration), spark ignition energies
The mechanics of explosion
Detonation
Area Classification for gases, vapours and mists (60 mins)
The meaning of zones and how they are derived
IEC 60079-10-1 and other codes of practice
The relationship between zones and ATEX categories of equipment
Area Classification workshop (30 mins) time permitting
The area classification of a tank farm, performed in groups of 2 to 3
Review of the answers from each group
ATEX 94/9/EC (100a)’Product’ Directive – Part 1 (60 mins)
The two ATEX Directives and their UK implementation (EPS and DSEAR)
Introduction to ATEX Directive 94/9/EC
ATEX categories & IECEx EPLs
ATEX and IECEx marking of equipment for flammable gases and dusts
ATEX 94/9/EC (100a) ‘Product’ Directive – Part 2 (60 mins)
The application of Directive ATEX 94/9/EC
Electrical protection methods
Non-electrical protection methods
Dust protection methods
Apparatus Grouping and Temperature Classification (45 mins)
The meanings of IEC apparatus groups IIA, IIB and IIC and how gases are assigned
Dust groups IIIA, IIIB & IIIC
Temperature classes T1 – T6 and ambient temperature rise
Historic and IEC-based North American systems compared
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Day Two

ATEX 1999/92/EC (137) ‘Worker Protection’ Directive & DSEAR (45 mins)
The relationship between ATEX 137 and DSEAR
Overview of DSEAR compliance
Risk assessments for existing electrical & non-electrical equipment
When ‘non-sparking’ tools are required
Flameproof protection, Ex d (60 mins)
The technique is explained in principle
How flamepaths work (including an explosion demonstration)
Acceptable and unacceptable weatherproofing measures
Pressure piling
Inspection and maintenance of Ex d apparatus
Equipment Inspection Exercise: Session 1 (60 mins)
This exercise involves dismantling a number of items of Ex equipment,
looking for faults and answering questions on applicable zones, gas groups,
temperature class, glands, earthing, etc.
Increased Safety, Ex e (60 mins)
Principles of the type of protection
Junction boxes, luminaries & motors
Inspection and maintenance of Ex e apparatus
Intrinsic Safety, Ex ia/ib (90 mins)
Principles of intrinsic safety (including an explosion demonstration)
Associated and intrinsically safe apparatus
Intrinsically safe systems
Zener barriers and galvanic isolators compared
Earthing requirements
Simple apparatus
Equipment Inspection Exercise: Session 2 (60 mins)

Day Three

Pressurised Equipment Ex p (30 mins)
The basic principles of the type of protection
Applications, advantages and disadvantages of the method
Certified apparatus (e.g. gas analysers)
Uncertified pressurised applications (e.g. control rooms, analyser houses)
Non-Incendive, Type N/n equipment for zone 2 (30 mins)
EN 50021:1999 and IEC/EN 60079-15
Non-Sparking apparatus, Ex nA
Energy limitation, Ex nL
Restricted breathing, Ex nR
Enclosed break and sealed devices, Ex nC
Zoning and suitable equipment for use in flammable dusts (30 mins)
An overview of the zoning for flammable dusts
Auto-ignition temperatures, spark ignition energies and other properties
Pre-ATEX equipment: requirements for continued use
Glanding and Cable Entry (45 mins)
Cable glanding or entry referenced to the protection type
When certified glands are and are not required
The use of sealing washers and earthing connections at gland entries
Equipment Inspection Exercise: Session 3 (60 mins)
Installation (30 min)
A brief coverage of some important aspects of IEC/EN 60079-14 not already covered in the course;
cabling, wiring,I.S. segregations, etc
Inspection, Maintenance, Repair and Testing (45 mins)
IEC/EN 60079-17 code for inspection and maintenance
Visual, close and detailed inspections
Filing in an inspection schedule
The IEC 60079-19 code for repairs
The use of test meters in hazardous areas (including an explosion demonstration)
Equipment Inspection Exercise: conclusion (45 mins)
Review of the answers
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