Few candidates were able to:
explain the reasons for washing pit sand for concrete work; sketch a section through a formwork; label the given part of the formwork.
However, majority of the candidates failed to sketch the section through a formwork for a beam.
The expected response to question 1 is as given below:

1. (a)       Reasons for washing pit sand for Concrete Work
2. To ensure                          that the sand is free from impurities.
3. To ensure                                                         proper adhesion.
4. To ensure  adequate hydration of cement in the concrete mix.
5. To remove harmful substances
• (b) Section through a formwork for a beam