FULL DAY CSA Z462 ARC FLASH TUTORIAL
Wes Procyshyn,
Electrical Safety Consultant,
The Electricity Forum (Dartmouth, Richmond, Edmonton)
Len Cicero,
Lenco Electrical Training Services (Toronto)
8:00 a.m. - 3:00 p.m.
ELECTRICAL HAZARDS
- 5 Main Factors in Electrical Accidents
- Electrical Shock
- Arc Flash Defined
- Incident Energy Defined
- Arc Flash Burn Injuries
- Arc Blast Pressure
- Inhalation Injuries
EXISTING AND PROPOSED STANDARDS
- NFPA 70E-2004
- CSA Z462 "Update"
- IEEE 1584-2002
- Canadian Electrical Code 2006 Changes
- Review of Provincial Electrical Safety Regulations
PREPARING TO WORK SAFELY
- Detailed Description of a "Job Briefing"
- How to Prepare an "energized Work Permit" as per NFPA 70E
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 NFPA 70E Tables
- Limited Approach Boundary
- Restricted Approach Boundary
- Prohibited Approach Boundary
- Hazard Boundary
DETERMINING ARC HAZARD RISK CATEGORY
FAULT CURRENT CALCULATIONS
- Power System Short Circuits
- Bolted Faults
- Calculating Prospective Short-Circuit Current
- Calculating Bolted Faults
- Arcing Faults
- Calculating Arcing Fault Current
12:00 noon - 1:00 p.m. - Complimentary Lunch - Sponsored By AGO Industries
DETERMINATION OF ARCING FAULT CLEARING TIME
- Time Current Curves
- Coordination studies
BOUNDARY CALCULATIONS
- Detailed Examples and Exercises
DETERMINING ARC FLASH HAZARD RISK CATEGORY
- Detailed Examples and Exercises
- Simplified Table Approach
- Matrix Table Approach
- Single Line Diagram
- Short Circuit Study report
- Coordination Study Report
- Exercise #1 – Hazard/Risk Category for an MCC
- Exercise #2 – Hazard/Risk Category for Power Circuit Breaker Switchgear
- Exercise #3 – Hazard/Risk Category for Metal Clad Switchgear 1KV and Above
- NFPA 70E Table 130 – Protective Clothing and PPE Matrix
INCIDENT ENERGY EXPOSURE CALCULATIONS
- Selecting the Correct Level of PPE
- NFPA 70E Calculation Method
- Calculating Arc in a Cubic Box
- Comparison of "Arc in Open Air" to "Arc in a Box"
- IEEE 1584 Method
HAZARD ANALYSIS
- Demonstration of Various Software Packages
- Arc Flash Labels
- NEC 2002 Edition
Bill Murphy, AGO
3:00 p.m. - 4:00 p.m. (approx)
NFPA 70E 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