ALL-NEW CSA Z462 ARC FLASH COURSE CONTENT
Jim Anderson
Consultant, The Electricity Forum
Wes Procyshyn
Consultant, The Electricity Forum
John Robin
Consultant, The Electricity Forum
Bill Murphy
AGO Industries
Complimentary Breakfast - Sponsored By ESA, Inc.
8:00 a.m. - 4:00 p.m.
UNDERSTANDING ELECTRIC POWER SYSTEMS
- Basic Electrical Theory and Definitions
- Electrical Drawings
- Ground Fault Systems
- Time-Current Curves & Power System Studies
- Electrical Arc Characteristics
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
Bill Murphy, AGO
CSA Z462 PPE CLOTHING REQUIREMENTS, FR CLOTHING TESTING STANDARDS, HOW TO ESTABLISH A PPE PROGRAM IN YOUR COMPANY
- The evolution of Flame Resistant (FR) fabrics
- The various types of FR fabrics that are available in the marketplace
- The problems with off shore FR fabrics
- FR fabrics and the effects of undergarments
- Review the technology and effectiveness of inherently flame resistant fibers vs chemically treated fabrics
- Developing a PPE Program in Your Company
- Assessing the correct Arc Flash hazard and choosing the right level of protective clothing
- Company training and worker compliance
- Documentation
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
CSA Z462 Annex B - Safety-related Electrical Maintenance
- Introduction
- Risk Categories and Maintenance Justification
- Reliability Centered Maintenance (RCM)
- Frequency of Maintenance Tests
- Maintaining Electrical Drawings
- Maintenance Standards
CSA Z462 Annex Q - Electrical Hazard Labels, Arc Flash and Shock Labelling
- General
- Canadian Electrical Code Rule 2-306 Shock and Arc Flash Warning Label
- Arc Flash Label Example
- Detailed Arc Flash Hazard Analysis Label
ARC FLASH SOLUTIONS
- Arc Flash Study Analysis and Implementation
- Power System Upgrades
- Arc Resistant Switchgear
- Circuit Breaker Retrofitting
- Remote Breaker Racking
- Regular Maintenance and Testing
ADVANCED CSA Z462 ARC FLASH WORKSHOP SESSIONS
Students will divide into groups and be given the opportunity to complete the following exercises (using CSA Z462 ):
- Exercise #1 - Job Hazard Analysis Checklist as Per Annex
- Exercise #2 – Preparing A Job Briefing and Planning Checklist As Per Annex I
- Exercise #3 - Preparing A Hazard Risk Evaluation As Per CSA Z462 Annex F
- Exercise #4 – Preparing An Energized Electrical Work Permit As Per CSA Z462 Annex J
DAY TWO - IMPLEMENTING CSA Z462
Jim Anderson,
Electrical Safety Consultant,
The Electricity Forum
Wes Procyshyn
Consultant, The Electricity Forum
John Robin
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