Question 1
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(a) State three preliminary site operations.
(b) Sketch the isometric view of each of the following types of purpose made bricks:(i) bevelled closer;
(ii) double bullnose.(c) Sketch a hollow sandcrete block and label the following parts:
(i) arris;
(ii) web.
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Observation
Most candidates were able to:
- sketch the isometric view of the purpose made bricks that is, bevelled closer and double bullnose;
- sketch a hollow sandcrete block and label arris and web.
However, few candidates were unable to state the three preliminary site
Operations.
The expected response to question 1 is as given below:
1(a) Preliminary site operations:
- site clearing (i.e, removal of existing structures, tree roots/stump, top soil
excavation etc);
- site levelling (i.e, cut and fill);
- provision of access road;
- provision of site offices for personnels;
- provision of site workshops for trade personnels;
- provision of storage facilities for materials;
- provision of plant and equipment;
- site planning;
- site organisation;
- site layout;
- provision of welfare facilities (i.e, canteen, temporary toilet, bathroom etc.)
- provision of First – Aid facility;
- ensuring site safety and security, e.g fence, gateman, watchman etc;
- site investigation.
(b) Sketches of purpose – made bricks
(c) Sketch of a sandcrete block