Most candidates were able to state the function of :
- a coping to free standing walls;
- distribution bars in a suspended floor.
However, few candidates were unable to:
- list the materials used as lintels in openings;
- state functions of openings in walls.
The expected response to question 5 is as given below: 378
- Functions of a coping to free standing walls are:
- To provide aesthetics/enhances the walls’ appearance.
- Protect the top of walls from rain water/sheds off water.
- It reduces the discoloration of the top of the wall.
- It serves as a tie to stiffen the wall.
- Functions of openings in walls are to:
- accommodate doors for exit and entry;
- accommodate windows for ventilation and illumination;
- provide aesthetics (beauty) in building e.g. arch;
- provide for external view.
- Materials used as lintels in openings are:
- Reinforced concrete;
- Masonry;
- Bricks;
- Timber;
- Steel.
- Distribution bars help to resist and distribute thermal and lateral stresses and keep the main bar in position.