DAY ONE
FULL DAY CSA Z462 ARC FLASH TUTORIAL
Jim Anderson
Electrical Safety Consultant,
The Electricity Forum
Wes Procyshyn
Consultant, The Electricity Forum
Complimentary Breakfast - Sponsored By ESA, Inc.
8:00 a.m. - 3:00 p.m.
IMPACT OF CSA Z462 ON CANADIAN ELECTRICAL SAFETY CULTURE
- CSA Z462 Development Update
- Relationship to NFPA 70e
- Relationship to Canadian Electrical Code
- New Additions and Changes from NFPA 70e
- Relationship to CSA Z460 "Lockout" Standard
- Electrical Safety Training Requirements
- Future Impact on Provincial and Federal Law
OVERVIEW OF CSA Z462 STRUCTURE AND ORGANIZATION
- Scope
- Definitions
- Safety-Related Work Practices
- Safety-related Maintenance Requirements
- Safety Requirements for Special Equipment
- Annexes
PREPARING TO WORK SAFELY
- Hazard Risk Analysis/ Task Assesment
- Annex F Hazard/ Risk Evaluation/ Assessment
- Assessment to Lockout or Work Energized
- Overview of Lockout Fundamentals and CSA Z460
- Working Energized defined
- Annex I Job Briefing and Planning Checklist
- Energized Electrical Work Permit Flow Chart- Annex J2
- Elements of an Energized Electrical Work Permit and preparing for- Annex J1
ELECTRICAL HAZARDS
- Electrical Shock
- Effects of current on human beings based on IEC 60479-1
- shock Hazard Analysis- Table 1
- Shock Protection Boundaries
- Approach to Energized electrical conductors or circuit parts operating at 50 Volts or more
- Arc Flash/ Arc Blast
- Elements and characteristics of an Arc Flash Event
- Arc Flash Hazard Analysis
- Arc Flash Protection Boundary for voltages between 50 and 600 Volts
DETERMINING SAFE APPROACH DISTANCE
- Determining Safe Approach Distance
- Definitions of Boundaries and Spaces
- Limits of Approach
- Shock Hazard Analysis
- Shock Protection Boundaries
- Understanding and Applying CSA Z462 Tables
- Limited Approach Boundary
- Restricted Approach Boundary
- Prohibited Approach Boundary
- Hazard Boundary
12:00 noon - 1:00 p.m. - Complimentary Lunch - Sponsored By AGO Industries
SHOCK HAZARD ASSESSMENT (UTILIZING TABLE METHOD IN CSA Z462)
- Annex C - Limits of Approach
- Preparation for Approach
- Qualified Persons, Safe Approach Distance
- Basis for Distance Values in Table 1 - Approach Boundaries to Energized
- Electrical Conductors or Circuit Parts for Shock Protection
- Specific Distance Columns in Table 1
BASIC METHOD FOR DETERMINING ARC FLASH HAZARD ASSESSMENT
- Breakdown and characteristics of the 5 Hazard Risk Categories
- Selection of Personal Protective Equipment for Various Tasks
- Table 4 - Hazard/ Risk Category Classification
- Table 5 Protective Clothing and Personal Protective Equipment (PPE)
- Table 6 Protective Clothing Characteristics
- Factors in selection of Protective Clothing and Equipment
- Annex H Simplified- Two Category, Flame Resistant (FR) Clothing System
- Annex M Layering Protective Clothing and Total System Arc Rating
- Annex N - Arc Rating, Arc Thermal Performance Value (ATPV) and Breakopen Threshold Energy (EBT)
- Brief overview of applicable ASTM standards for Protective Clothing and PPE- Tables 2 and 3
DAY TWO - IMPLEMENTING CSA Z462
Jim Anderson,
Electrical Safety Consultant,
The Electricity Forum
Wes Procyshyn
Consultant, The Electricity Forum
CSA Z462 AND ARC FLASH CALCULATIONS
Arc Flash Hazard Analysis (1-1.5 hours, including discussion)
- General Introduction
- • Identify the hazard
- • Determine the Arc Flash Protection Boundary
- • Selection of PPE
- Hazard Risk Categories
- Calculations Methods
- • Basic equations for calculating arc flash protection boundary distances
- • Calculations of incident energy exposure for arc flash hazard analysis
- - Arc in open air
- - Arc in a cubic box
- Incident Energy Analysis
DETAILED REVIEW OF CSA Z462 ANNEXES NOT COVERED IN DAY ONE