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Building Construction Paper 2,Nov/Dec. 2013  
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Questions:   2 3 4 5   Main
General Comments
Weakness/Remedies
Strength




Question 4

            Question 4

  1. State three functions of a door.

2. Sketch the elevation of a two-panel door and indicate the following:

  1. stile;
  2. middle rail;
  3. panel;
  4. top rail.

3. Explain each of the following terms in relation to stair construction:

  1. headroom;
  2. flight of steps;
  3. rise.
_____________________________________________________________________________________________________
OBSERVATION

Most candidates were able to:

-           state the functions of a door;
-           sketch the elevation of a two-panel door;
-           explain what is meant by rise in relation to stair construction.

However, some candidates drew four panels instead of two panels stated in the question.

The expected response to question 4 is given below:

  • Functions of a door

A door –

  • provides means of access to the spaces or rooms in a building;
  • accords privacy to the occupants of a building;
  • provides security to occupants and their properties;
  • excludes or protects the occupants of a building from wind or driving rain.

 

 

(b)



(c)        (i)         Headroom is the clear space of about 2 metres measured
vertically from the line of nosings of a stair to the soffit of another stair, landing or floor above it.

(ii)        Flight of steps consist uninterrupted series of steps between two floors or between a floor and a landing or between two landings.

(iii)       Rise is the vertical distance between two successive treads.

 

 


               

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