What is the main purpose of a permit-to-work system on a construction site?
Correct answer: D. To authorise and control specified high-risk activities
- A. To replace all training and supervision of site workers
- B. To calculate the quantities of materials used on site
- C. To approve the contractor's monthly payment certificate
- D. To authorise and control specified high-risk activities
Explanation
A permit-to-work system formally authorises hazardous activities after required precautions, isolations, and responsibilities are confirmed. It supports safe control but does not replace worker training or supervision.
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About Construction Management and Estimation
Construction management covers planning, scheduling, resource control, contracts, procurement, site organisation, safety, quality assurance and project documentation. Estimation includes quantity take-off, rate analysis, bill preparation, valuation and cost control, with attention to the difference between direct and indirect costs and between an estimate, a tender and a final account.
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