Block laying Paper 2 WASSCE (SC), 2019

Question 2

(a)        List three methods of setting-out the right angle corner of a building.
(b)        Sketch each of the following types of bricks:
                (i)         king closer;
                (ii)        half bat.
(c)        State three uses of a builder’s square.

Observation

Most candidates were able to sketching closer and half bat;

However, some of them were unable to:


  •  List three methods of  setting-out the right angle corner of a building;
  • state three uses of a builder’s square.

The expected response to question 2 is as given below:


2 (a)Methods of setting-out the right angle corner of a building:

  • 3:4:5 method;
  • Builder’s square/steel square method;
  • Levelling instrument method such as theodolite, dumpy level, optical square etc.
  • Use of site square.

    (b) Sketches of the following types of bricks:

  1. king closer



  2. half bat


(c) Uses of builder’s square:

  • setting out right angles or corners of buildings;
  • checking the squareness of a wall construction;
  • squaring brick or blocks before cutting;
  • measuring brick/blocks.