Carpenter Red Seal Exam Prep · Question
A carpenter is erecting a working scaffold for exterior stucco application. The scaffold will be 12 metres high. According to CSA S269.3-16, what is the minimum load capacity required for the scaffold platform if it is designed to hold 3 workers, each weighing 100 kg, plus 150 kg of tools and materials?
CSA S269.3-16 Table 1 specifies minimum design load for light-duty scaffolds (e.g., plastering, stucco) as 2.4 kPa (50 psf), which accommodates 1-2 workers and
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Question: A carpenter is erecting a working scaffold for exterior stucco application. The scaffold will be 12 metres high. According to CSA S269.3-16, what is the minimum load capacity required for the scaffold platform if it is designed to hold 3 workers, each weighing 100 kg, plus 150 kg of tools and materials?
Answer options:
- 2.0 kPa ✅ 2.4 kPa
- 3.6 kPa
- 4.8 kPa
Correct answer: 2.4 kPa
Explanation: CSA S269.3-16 Table 1 specifies minimum design load for light-duty scaffolds (e.g., plastering, stucco) as 2.4 kPa (50 psf), which accommodates 1-2 workers and limited materials. Medium duty is 3.6 kPa.
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