Block laying Paper 2 WASSCE (SC), 2023

Question 2

 

2.(a)        Explain each of the following terms in relation to site work:
                (i)         site preparation;
                (ii)        setting out.

   (b)        State two advantages of 3:4:5 method of setting out.

   (c)(i)     State two safety rules to be observed during the erection of a scaffold.
   (ii)        Name one safety wear most needed when erecting a timber scaffold.

Observation

 

Most candidates were able to answered question 2 correctly except the aspect of question 2b which were not well answered.

The expected response to question 2 (b) is as given bellow:

(b)        Advantages of 3:4:5 method of setting out

  • It gives accurate right angle to the building.
  • It is a versatile method.
  • It is simple to carry out.
  • Shorter distances are measured to avoid sagging as compared to diagonal method.
  • The processes involved consume less time.