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Intrinsic Safety

$595.00

A one-day course intended for Consulting Electrical and Instrument Engineers, Technicians and Designers, Product Development Specialists, Sales Representatives, Safety Codes Officers, Maintenance and Construction Electricians who work in facilities incorporating intrinsic safety as basis for explosion protection. The course covers the design, documentation and maintenance of field installed intrinsically safe and non-incendive circuits in accordance with the Canadian Electrical Code.  

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Course Description

Learning Objectives:

• To provide a general understanding of Field Wired Intrinsic Safety Circuits and their application 
• To know the various codes and product standards that apply to products designed for hazardous locations
• To understand the applicable codes and standards 

Course Information

Course Includes:

• Hard copy of slide presentation
• PDF of course materials
• Certificate of attendance

Instructor

Allan Bozek, P.Eng, MBA
Allan has over 30 years experience in the design, construction, commissioning and maintenance of industrial power systems. The scope of his experience includes manufacturing, oil and gas production, refining, water treatment and mining industrial facilities. He is a member of the IEEE industrial applications society, a committee member of the Canadian Electrical Code Section 18 (Hazardous Locations) and is a registered Profession Engineer in Alberta, British Columbia, Saskatchewan, Manitoba and Ontario.

Detailed Outline

1. Hazardous Location Fundamentals

• Hazardous Locations (Flammable Gases)
  • Fire Triangle
  • Properties of flammable gases/vapours
  • Hazardous area classification
    • Division vs. Zone method of classification
• Hazardous Locations (Combustible Dusts)
  • Fire Pentagon
  • Properties of combustible dusts
  • Hazardous area classification
    • Division vs. Zone method of classification

2. Codes and Standards

• North American Division standards
  • CSA Standards
  • ISA Standards
• IEC standards
• Canadian Electrical Code requirements

3. Intrinsic Safety Protection Concepts

• Equipment Protection Level (EPL) concepts
• Intrinsic Safety Design Concepts
  • Ex ia
  • Ex ib
  • Ex ic
• Non-incendive Design Concepts
  •  Difference between Non-incendive devices and Non-incendive Field Wiring
•  Intrinsically Safe Systems with electronically controlled spark duration limitation (Power-i)
• FISCO Fieldbus Intrinsically Safe Concept

4. IS Circuit Design

• Entity parameters
  • Associated Apparatus
  • Intrinsically Safe Apparatus
    • Simple Devices
    • Non-simple Devices
  • Interconnecting wiring parameters
• Resolution of the entity parameters for a safe installation
• Assessment of circuits with more than one source of power

5. Intrinsic Safety Wiring Methods

• CEC Code Requirements
• Circuit segregation requirements
• Sealing requirements
  • Process Secondary seals

6. Grounding and bonding of IS Circuits

• CEC Code Requirements
• Zener Barrier vs. Galvanic Isolation barrier grounding
• Surge protection

 7. IS Circuit Documentation

• Control Drawing
• Systems Descriptive Document

 8. IS Circuit Tutorial

• Selection of components, resolution of entity parameters and documentation of an IS circuit application