The cost of formwork is generally expressed as a percentage of
- ATotal labour cost
- BTotal construction cost
- CTotal cost of concrete workCorrect
- DTotal project cost
Solution
Concept
Formwork cost
Step-by-step solution
1. Formwork is commonly expressed as a percentage of the cost of concrete work (about 20–25%).
Explanation
The key gives the cost of concrete work as the reference.
Why the other options are wrong
Other bases are not standard.
Shortcut
Formwork ≈ 20–25% of concrete cost.
Correct answer: C) Total cost of concrete work