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You have selected our Virtual Combustible Dust Fundamentals (NFPA 660) training on June 9-12, 2025.
The course will be held: Monday - Thursday 12:00 pm to 3:00 pm Central Time
Combustible Dust Fundaments in accordance with NFPA 660 – Standard for Combustible Dust and Particulate Solids – Understanding and Practical Use of the Code
Course Design and Objectives
The recently published NFPA 660 Standard for Combustible Dusts and Particulate Solids combines and updates the fundamentals from NFPA 652 with the requirements from the five “commodity-specific” NFPA standards (NFPA 61, 484, 654, 655 and 664).
This course will cover the fundamentals of combustible dust prevention and control contained in Chapters 1-10 of NFPA 660. It will also cover how to navigate the “commodity-specific” requirements from Chapters 21-25 when specific dusts are handled that are subject to additional requirements.
Chapters 1-10 of NFPA 660 form the “On Ramp” to combustible dust requirements contained in the commodity-specific Chapters 21-25 of NFPA 660. It contains mandatory requirements for the management of the fire, flash fire, and explosion hazards posed by combustible dusts. Although this standard provides some flexibility in approaches for ensuring the safety of the occupants, facility, processes, and equipment, some of the requirements must be complied with retroactively.
With over 25 years of experience in conducting thousands of Dust Hazard Analyses (DHA) for our clients around the world, we have designed this workshop to help you
1) better understand the applicability of this standard,
2) make compliance with its requirements manageable and practical, and
3) gain practical experience conducting Dust Hazard Analyses, including earning a DHA Leader certificate.
You Will Learn
- How to determine if a dust fire, flash fire or explosion hazard exists within your facility;
- Effective strategies for compliance with NFPA 660 requirements;
- How to identify dust sample(s) that need to be tested and the necessary laboratory tests;
- How to determine the validity of any existing laboratory data you might have;
- How to identify any gaps that exist in the required laboratory data;
- What the requirements are for a complete Dust Hazard Analysis (DHA);
- How to identify the gaps in your dust hazard management systems;
- How to identify gaps in your facility's dust fire and explosion prevention and protection requirements;
- How to conduct a Dust Hazard Analysis, using practical exercises;
- How to identify practical measures for not only ensuring compliance but going beyond compliance
- How to navigate the commodity-specific requirements when dusts are handled that are subject to additional requirements.
Who Should Participate
Personnel involved with plant operations, including management, engineering, maintenance, Process Safety Management and auditing activities for processes where combustible dust is being generated, processed, or handled. These types of facilities include the chemical & processing industries such as bulk and finished pharmaceuticals, chemicals, petrochemicals, food, plastic & rubber, metals, textiles, wood, pulp & paper, agrochemicals and additive manufacturing.
This workshop will provide participants with the insight necessary to identify those indicators with the equipment, operations, processes, and activities that could lead to dust explosions and then help them with the steps that they can consider to not only ensure compliance but to go beyond compliance to a true safety commitment.
Course Outline
Introduction
- Conditions required for dust flash fires and explosions
- NFPA 660 applicability
- Relationship between the fundamental chapters (previously in NFPA 652) and other, Industry/commodity-specific chapters (previously in NFPA 61, NFPA 484, NFPA 654, NFPA 655, NFPA 664)
- Authority Having Jurisdiction (AHJ)
- Combustible Dust Requirements of the International Fire Code and International Building Code
Requirements for the design, construction, maintenance, and management system of equipment and processes
- Protection of occupants in the area of the ignition
- Protection of occupants not in the immediate proximity of the ignition
- Prevention of serious injury from fires, flash fires and explosions
- Ensuring the ongoing production/operation capability
Retroactive Requirements
- Determination
- Options/flexibility
Requirements for Appropriate Combustibility/Explosibility Data
- Sample selection and preparation
- Combustibility/explosibility
- Characterization of ignition sensitivity and explosion severity
- Use of historical facility data
Prescriptive vs. Risk-Based Approaches to DHAs
- Prescriptive approach, Including: Dust Hazard Analysis (DHA) & Documented risk assessment
Dust Hazard Analysis (DHA)
- Definition
- Compliance deadline
- Dust Hazard Analysis (DHA) vs. Process Hazards Analysis (PHA) requirements of the OSHA regulation
- Qualification of person conducting DHA
- DHA Review and update frequency period
Risk Assessment to Determine the Level of Design and Features for:
- The building and equipment
- Housekeeping and dust control
- Ignition source control
- Explosion prevention and protection
- Personal protective equipment
- Fire protection
Written Management Systems for Operating Safe Operation of the Facility and Equipment, Including:
- Operating Procedures, Practices, Inspection, Testing, and Maintenance
- Training and Hazard Awareness
- Emergency Planning and Response
- Incident Investigation
- Management of Change
Performance-Based Alternative Design
- Qualification of person to conduct a Performance-Based Design assessment
- Documentation
Practical Exercises & DHA Workshop
- Participants will be provided with process information, equipment design data, dust testing results, drawings / pictures and resources for several types of industry operations.
- Participants will use the information to conduct Table-top Dust Hazard Analysis (DHA)
- Effective methods for how to organize, lead, and execute a DHA.
- DHA outcomes will be reviewed and discussed with instructors.
Discussion
Quiz (Certificate will be issued for DHA Leader upon passing the quiz)
Course Evaluation Sheet
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