ZIMSEC · O Level · Syllabus 4052
Building Technology and Design
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Form 1 2 topics
- Site safety, site clearance and setting out Personal protective equipment: hard hat, safety boots, gloves, overalls, high-visibility vest, goggles and dust masks. Keep the site tidy; fence off trenches; use sound ladders and scaffolds; store materials safely; handle cement carefully (it burns skin).
- Building materials Burnt clay bricks (common in Zimbabwe), concrete blocks and cement-stabilised soil blocks. Good bricks are well burnt, hard, uniform in size and give a ringing sound when struck together.
Form 2 2 topics
Form 3 2 topics
- Floors and roofs Roofs protect the building from weather and must be strong, waterproof and well drained.
- Plumbing, drainage, finishes and costing Pipes (PVC, copper, galvanised steel) bring cold water from the main or a tank; geysers or solar water heaters supply hot water. Stopcocks control the supply.