Question 2
(a) List three types of clay brick.
(b) Use a sketch to illustrate the builders’ square method of setting out a building.
(c) State in sequence, the five stages involved in producing sandcrete blocks.
Observation
Most candidates were able to list three tools used in setting out. However, they failed to:
- show a sketch illustrating the builders’ square method of setting out a building;
- state in sequence stages involved in producing sandcrete blocks.
The expected response to question 2 is as given below:
2(a) Any three setting-out tools
- line and pin;
- spirit level;
- steel square;
- builder’s square;
- measuring tape;
- club hammer;
- hand saw;
- claw hammer
- pegs;
- trammel/template;
- straight-edge;
- plumb rule;
- ranging poles.
(c) Any five stages in sandcrete block production
- batching of the materials;
- mixing of sand, cement and water;
- moulding/casting of the blocks;
- curing of the blocks;
- drying of the blocks;
- stacking of the dried blocks;
- transporting of the blocks.