waecE-LEARNING
Technical Drawing Paper 2, May/June. 2011  
Questions: 1 2 3 4 5 6 7 8 9 10 Section B 1 2 Main
General Comments
Strength
Weakness/Remedies



Question 1

 

The figure below shows the sketch of a bungalow (all dimension are from face to face of walls ).
study the specifications carefully and answer the questions that follow



     ROOF:           30' gable with 13 corrugated asbestos sheets with ridge cap.
                         Rafter 100 x 50 at 1200 centres;
                         Purlins 100 x 50 at 1000 centres;
                         King post/strut 100 x 50;
                         Wall plate 100 x 75;
                         Tie beam 100 x 50;
                         Ceiling joist 50 x 1200 centres;
                         Floor to ceiling height3150.

    (a) Draw to a scale of I: 100, the:
          (i)           floor plan.
          (ii)          left side elevation.
    (b) Draw to a scale of 1:50, a detailed section p-p. (Assume suitable dimensions where necessary)

 

 

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Observation
  ai. FLOOR PLAN
Candidates were expected to draw to scale and use suitable lines and symbols to draw walls, windows,
doors, beams , roof etc. The detailed Floor Plan is shown below:

  aii. LEFT SIDE ELEVATION
Candidates were expected draw to scale . They are to show ground line , floor level , wall(2no) ,
conventional double windows(2no), conventional single window (2no), the roof , the facial board,
eaves and ridge cap as shown below. Candidates performance was impressive as more than 50%
had above average.

  b. SECTION P-P
Candidates were required to draw to the required scale,. The following were expected to to
be shown: foundation footing(4no); earth filling; hardcore; ground level ; concrete slab; cement
sand screed; floor level ; wall in section (4no); door in section; windows in section(2nos) ; lintels(4no);
conventional doors(2no); wall plates (2nos0; ceilings (board and joist); rafter; purlin; kingpost; strut;
tie beam ; roof; ridge cap; facial board; eaves etc. The required solution is shown below. Most of the
candidates performed averagely in the question.

 

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