Question 1
1. (a) (i) List four types of clay bricks.
(ii) State one reason for firing bricks.
(b) With the aid of a line diagram, show each of the following in relation to setting-
out a building:
(i) building line;
(ii) property line;
(iii) set back.
(c) State the use of a site datum peg.
Most candidates were able to:
- list four types of clay bricks.
- state one reason for firing bricks.
Observation
1. (a) (i) Types of clay bricks include:
- facing brick;
- common brick;
- engineering brick;
- fletton/adobe brick;
- terracotta brick;
- Staffordshire blue;
- Southwater red;
- coloured/decorative brick;
- special/purpose-made brick;
- firebrick;
- wire-cut brick;
- Stocks.
(ii) Reasons for firing clay bricks are to:
- remove the moisture from the brick;
- make it strong;
- make it durable;
- make it weather-resistant;
- harden the brick.
(b) Sketch showing building line, property line and setback in setting-out of building:
(c) The uses of a site datum peg:
- site datum peg is used to transfer levels on site;
- site datum peg is used to fix or establish a known level from
where other levels are taken on site.