Hazardous Area Classification: Gas Utilities
- Allan Bozek, P. Eng
- Mar 11, 2021
- 2 min read
Updated: Apr 6, 2021
A seven-hour course intended for Engineering, Design, Construction and Maintenance Personnel involved in Gas Utility Installations and Facilities. The course covers hazardous locations for utility installations handling natural gas, hazardous area classification codes and best practices, ventilation assessments, and documentation of a hazardous area classification design.
Course Description
Learning Objectives:
To establish the degree and extent of a hazardous location for typical Utility installations handling natural gas
To identify the appropriate hazardous area classification codes, standards and recommended practices for a given situation
To perform ventilation assessments for enclosed locations
To properly document a hazardous area classification design
Course Information
Course Includes:
Hard copy of slide presentation
PDF of course materials
Certificate of attendance
Instructor
Allan Bozek, P.Eng, MBA Allan has over 30 years experience in the design, construction, commissioning and maintenance of industrial power systems. The scope of his experience includes manufacturing, oil and gas production, refining, water treatment and mining industrial facilities. He is a member of the IEEE industrial applications society, a committee member of the Canadian Electrical Code Section 18 (Hazardous Locations) and is a registered Profession Engineer in Alberta, British Columbia, Saskatchewan, Manitoba and Ontario.
Detailed Outline
1. Hazardous Locations
Basic Concepts
The fire triangle
Probability of release vs. risk of ignition
Standard of care required to perform a hazardous area classification
2. Codes Standards and Recommended Practices
• CEC Section 18
• OH&S Requirements
• API RP 500, RP 505
• NFPA 497
• IEC 60079-10-1
• IGE/SR/16, IGE/SR/25
• AGA XL1001
3. Definitions
Class, Zone, Group, Temperature code
Zone vs. Division Method of Area Classification
Normal vs. Abnormal Operations
4. Hazardous Materials
Flammable gases and liquids classifications
Highly volatile liquids (HVL`s)
Flammability relationships
Density
Group classification
Auto-ignition temperature
5. Methods of Area Classification
Classification by Simple Methods
Classification by Combination of Methods
Classification based on Operating Experience
6. Ventilation Concepts
Adequate vs. Inadequate ventilation
Ventilation Assessments
HVAC design concepts
Naturally ventilated enclosed areas
Use of gas detection
Use of vapor-tight barriers
7. Documentation Requirements
Area classification study report
Calculation requirements
Drawing requirements
8. Application Examples
Gas Utility Regulator Station
Gas Utility Gate Station
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