Course Description

Dust explosions are one of the major preventable losses of life and property in industry today. Many installed systems are either old or non-building code compliant to today's standards, are recent installations without the necessary explosion prevention features or poorly maintained resulting in questionable reliability of the installed explosion and fire safety features. This seminar is intended to cover all aspects of dust explosion prevention including NFPA and Canadian Building code requirements as well as recommended proven engineering practices which control the collection, transport, storage and disposal of explosive dusts. Also included is an outline for the preparation of NFPA Benchmark documentation required for existing and new facilities which handle combustible dust to ensure safe operating conditions for the life of the facility.


Ramada Hotel Downtown Prince George, 444 George Street,Prince George, BC V2L 1R6


This seminar will provide participants with the necessary dust explosion prevention information to prepare a combustible dust risk assessment and action plan to ensure code compliance and ensure the correct explosion protection and fire prevention engineering standards are used in their facilities.

Who Should Attend

This seminar is intended for HSE, operators, maintenance, engineering, insurers, inspectors and suppliers, who will benefit from an improved knowledge of how to design, install, operate, maintain and test existing or new explosive dust collection systems to ensure all required explosion safety devices are installed and operational through the life of the facility.

Benefits to Participants

  • Gain a better understanding of the requirements of a complete dust explosion prevention program
  • Recognize existing dust explosion problems and methods for correction
  • How to prepare a combustible dust risk assessment and action plan
  • Familiarization of the applicable NFPA fire prevention codes and Canadian building codes relating to preventing dust explosions
  • Recommended practices for collection, transport, collection and storage of combustible dusts.
  • Focus on methods for ensuring capture hoods are collecting +99% of produced dust
  • Review plant legal responsibilities for proactive dust explosion prevention programs
  • Requirements for scheduled inspection and testing of installed explosion prevention equipment also retaining record keeping.
  • Understanding of electrical zone classifications for combustible dust and the relationship with dust extraction systems and or manual cleaning programs.
  • Improve your understanding of capital cost when implementing an explosion prevention program
  • How to prepare an NFPA compliance Gap analysis. The objective of the Gap analysis is to identify what is required to update the dust control systems to meet the objective of safe operation as defined by the NFPA, local building codes, Local and National Fire Marshall, insurance and WorkSafe. The Gap analysis identifies what needs to be done, when and methods for approximating cost.
  • How to prepare an interim action plan through Gap Analysis to Compliance certification. Included will be strategies for contractor bidding, self-source procurement, third party review specifications, identifying opportunities for a Turnkey project, communication and documentation for Authority Having Jurisdiction (AHJ) reporting.
  • Using compliance items from the Gap Analysis, review common construction and design problems during upgrades to meet the respective codes. This section will include resources and tools used to evaluate what is required to upgrade existing dust collection systems, eliminating the high costs of replacement.
  • Methods and requirements for developing an annual compliance documentation plan. This will include training in testing and report preparation to ensure the proper maintenance and testing as per the manufacturers or Authority Having Jurisdiction is being completed.

Course Outline

Day 1 - registration/check-in will start at 8:00 a.m. with sessions to begin at 8:30 a.m. and adjourn at 4:30 p.m. Day 2 will commence at 8:30 a.m. and adjourn at 4:30 p.m. Lunch is on your own from 12 noon to 1:00 p.m. There will be 15-minute mid-morning and afternoon breaks.

Program Outline

Day One

8:00  Registration
8:30 Meet & Greet
9:00 Introduction of Speakers
Why dust collection?
HSE aspects, interior air quality, exterior air quality & recycle opportunities
Hazards when not done safely
9:30 Critical Steps for Dust Explosion Prevention
1) Determine Dust Explosion Characteristics
2) Applicable Codes
3) Transport System
4) Collection Devices
5) Fire/Explosion Protection
6) Regular Inspection, Testing and NFPA compliance Documentation requirements
10:15  Conversation Break
10:30 Session 1: Determining Explosive Properties of the Dust to be Handled (inc. Kst)
Definition and typical sources of minimum ignition energy (MIE)
Minimum explosion concentration (MEC)
Which equipment and areas are under risk of explosion through evaluation of an explosion risk matrix?
11:45 Lunch (on your own)
12:45 Session 2: What Codes Apply for the Material to be Collected & Identified
Explosion risk areas and/or equipment
Which governing province/state inspector has jurisdiction
Canadian Electrical Code
2:15  Conversation Break
2:30 Session 3: Safe Collection & Transport Methods for +99% Capture
Proper transport velocities to prevent build-up of combustible and/or explosive hazards inside the ducting.
Proper bonding methods to eliminate static build-up.
Sprinkler installation, spark detection and abort gates.
Backflow prevention for explosions traveling back into the process area.
3:15 Session 4: Collection Devices and explosion protection
How to determine the correct collection device and explosion protection method.
Rupture discs or explosion doors for controlled explosion relief, suppression systems for explosion protection.
4:15 Group Discussions, Questions & Answers
4:30 Adjournment

Day Two

8:30  Session 5: Fire Protection
Fire protection options, sprinkler design, CO2 systems, equipment interlocks, deluge systems and proper drainage.
Interior duct inspection and cleaning.
10:00 Conversation Break
10:15 Session 6: Documentation
Regular scheduled documentation: weekly, monthly and annually
10:45 Common Problems Overcome for Upgrading Explosion Protection in Existing Facilities
Recommendations and adherence to acceptable engineering /HSE practices Typical reasons for upgrades include:
Change in process components
Upgrade of older systems to current codes
Insurance inspection requirements
Local inspector having jurisdiction citation
Improperly designed system
Improperly installed system
Changes in HSE requirements
Changes in the use of the facility
11:15 NFPA Benchmark Compliance documentation for new and existing facilities
11:45 Lunch (on your own)
12:45 NFPA Benchmark Compliance documentation for new and existing facilities (continued)
3:00 Conversation Break
3:15 NFPA Compliance documentation for new and existing facilities (continued)
4:15 Final Questions & Answers & Presentation of Course Certificates
4:30 Final Adjournment


John E. Bachynski, B.Sc. P.Eng., is President of EPM Consulting located in Halifax, Nova Scotia. He has over 30 years experience in the field of Mechanical Engineering, specializing in plant air quality, dust collection, transport, storage and dust explosion prevention. Since graduating from the Technical University of Nova Scotia (TUNS) (B.Eng., Mechanical) in 1980 he has worked continuously in the testing, design, installation and commissioning of industrial dust collection and explosion prevention systems. His project experience includes dust and fume collection systems, dilute and dense phase pneumatic conveying systems in the rubber, cement, coal, steel, grain, foundry, salt, machining, wood pellets, pulp, paper and wood handling facilities. He continues his growing client base in Canada, United States, Mexico and Europe specializing in upgrading plants to prevent dust explosions and also designing, commissioning and testing for new facilities. Mr. Bachynski has published articles on dust related topics for Bulk and Powder magazine, and has been a technical presenter for the dust related topics for Powder and Bulk, Dalhousie University, College of Continuing Education, NFPA International Technology Conference and private industry. He was nominated for a Canadian design award 1982, and received the Nova Scotia Award for Energy Conservation, Large Industry Sector, 1988 for the installation of a 40TPD wood dust burning boiler.

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