MNO2608
Fundamentals of Industrial hygiene
ASSESSMENT 4
Due date 19 September 2023
Unique number: 372634
50 marks
, MNO2608 ASSESSMENT 3 (WRITTEN)
SECTION B: THEORETICAL QUESTIONS
CASE STUDY: GAS EXPLOSION IN JOHANNESBURG
On 20 July 2023 a suspected underground gas explosion occurred in the central
business district of Johannesburg ripping open roads and flipping vehicles. One person
was killed and 41 sustained injuries.
Do research on the methane gas explosion to answer the questions that follow.
QUESTION 1 [30]
1.1 You have been newly appointed as the safety officer at an oil and gas refinery
municipality. You have been tasked to present a safety talk to management on the
method of materials handling and the safety aspect of handling materials at a
safety meeting for all factory workers. Please describe what content you would
create for this presentation. Include all aspects you regard as relevant to this safety
talk. (15)
1.1 Presentation on Materials Handling Safety:
For the safety talk on materials handling at an oil and gas refinery municipality, it is
crucial to cover various aspects to ensure the safe handling of materials. Here's the
content you should include:
Introduction:
• Brief overview of the importance of safe materials handling in the oil and gas
industry.
• Emphasis on the potential risks and consequences of improper handling.
Content:
1. Types of Materials Handled:
• Differentiate between hazardous and non-hazardous materials.
• Highlight common materials encountered in the refinery (e.g., chemicals,
gases, liquids).
2. Safe Handling Procedures:
• Emphasize the use of appropriate Personal Protective Equipment (PPE).
2