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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 compliant to today's standards, are recent installations without the necessary explosion prevention features or poorly maintained resulting in questionable reliability of the installed safety features. This seminar is intended to cover all aspects of dust explosion prevention including NFPA and OSHA code requirements as well as recommended proven engineering practices which control the collection, transport, storage and disposal of explosive dusts.

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.

Day 1

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 (CBS video)
9:30 Critical Steps for Dust Explosion Prevention
  • Determine Dust Explosion Characteristics
  • Applicable Codes
  • Transport System
  • Collection Devices
  • Fire/Explosion Protection
  • Regular Inspection, Testing and Documentation requirements
10:15 Conversation Break
10:30 Session 1: Determining Explosive & Transport 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
  • NFPA
  • SMACNA
  • OSHA
  • International 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.
4:00 Group Discussions, Questions & Answers
4:30 Adjournment

Day 2

8:30 Session 4: Collection Devices
  • How to determine the correct collection device and explosion protection method.
  • Shut off valves to reduce stack effect during a fire and isolate equipment after an explosion.
  • Rupture discs or explosion doors for controlled explosion relief, suppression systems for explosion protection.
9:15 Session 5: Fire Protection
  • Fire protection options, sprinkler design, CO2 systems, equipment interlocks, deluge systems and proper drainage.
  • Interior duct inspection and cleaning.
10:30 Conversation Break
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
11:45 Lunch (on your own)
12:45 Case Study 1: Upgrading typical wood shop shaker style dust collectors to Explosion and Fire Prevention Codes
  • Review of available vendor information for upgrading a dust explosion prevention system
2:00 Case Study 2: Review selected class participant submitted problems. Lab example for hood design and capture efficiency
        (Group Discussion)
3:00 Conversation Break
3:15 Final Questions & Answers & Presentation of Course Certificates
4:30 Final Adjournment

What You Will Learn

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

  • 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 risk analysis and action plan
  • Familiarization of the applicable NFPA and OSHA 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
  • Improve your understanding of capital cost when implementing an explosion prevention program

Notes

You may be interested in: NFPA Dust Compliance Inspection

For more Engineering & Technical Professional Development courses click here.

Recommended For

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.
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