building construction Paper 2 WASSCE (PC), 2017

Question 1

 

(a)        Give one example of each of the following types of  building:

(i) Commercial building;

(ii) Private building;

(iii) Public building.

(b)        state three safety precautions to be taken when using a concrete mixer.

(c)        sketch a cross-section through a timber upper floor and label the following parts:

(i)Brick wall;

(ii)Timber joist;

(iii) Wall plate;

(iv) Nogging.

 

Observation

 

  Majority of the candidates were able to:

-           give one example of commercial, private and public building;

-           state three safety precautions to be taken when using a concrete mixer.

However, some of them were not able to:

 -    sketch a cross-section through a timber upper floor and label the following parts:

  1. Brick wall;
  2. Timber joist;
  3.  Wall plate;
  4.  Nogging.

The expected response to question 1 is as given below:

1 (a)     One  example of each of the following types of building:

(i) Commercial buildings: supermarkets, locked-up shops, office, eatery or restaurant,bookshop(event centre) shoping malls, hotels, gas stations  

(ii)Private buildings: residential accommodation,flat, duplex, bungalow, storey building  owned by private individuals.           

(iii)Public buildings: hospital, school, office, mosque, police station, post office, Church, Library, town hall                                                                                                                            
(b)     Three safety precautions to be taken when using a concrete mixer:

  1. Adhering to manufacturer’s instructions in the operational manual;
  2. The concrete mixer should be operated by trained or competent personnel;
  3. Periodic/regular maintenance of the concrete mixer;
  4. Checking both the oil level and water level of the engine before starting the equipment;
  5. Concentration must be maintained while operating the machine;
  6. The concrete mixer should be positioned on a flat levelled ground;
  7. The concrete mixer should not be overloaded beyond its capacity in a batch;
  8. The operator/labourer should wear relevant safety clothing during concreting operation.

         

 (c)       Section of a single Joist upper Floor;