waecE-LEARNING
Technical Drawing Paper 2, May/June. 2013  
Questions: 1 2 3 4 5 6 7 8 9 10 Section B 1 2 Main
General Comments
Strength
Weakness/Remedies

Question 1B

Study the sketch plan of a bungalow below and use the given specifications to answer the questions that follows  


FOUNDATION:          750 X 450 laid over 100 thick cement concrete pad at a depth of 900 below ground level.

FLOOR:                      300 hardcore, 150 concrete slab, 25 mortar screed.
                                    Finished floor to ceiling 3150.

WALLS:                      All walls 225.

LINTEL:                      225 X 225 reinforced concrete.

DOOR:                        All doors 1850 X 750 X 40 flush wooden in 100 X 50 timber frame, except Garage door – 2800 X 2100 X 40, roller shutter.

WINDOW:                  Sliding glass in aluminium frames;
                                    bath,WC and store windows 600X600,  others 900 X 1200.
BEAM:                        225 X 225 reinforced concrete, 2400 above floor level.

RAILING:                    Balustrade, 1000 high from the floor level.

COLUMN:                  225 X 225 reinforced concrete.

ROOF:                        Pitched gable at 15º slope, with corrugated asbestos sheets;
                                    timber rafter 1000 X 50 at 1000 centres;
                                    fascia board 25 X 250;
                                    eaves 600.

  1. Draw to a scale of 1:100, the :
  2. floor plan in the form of working drawing;
  3. rear elevation.

 

  1. Draw to a scale of 1 : 50, the sectional view on plane PP.

(Note:  Assume suitable dimensions where necessary)

  1. The Plan

(a)       (ii)        Rear Elevation


Observation
   

Candidates were expected to:

  1. draw to correct scale 1: 100 (13,125 x 9,900);
  2. draw the outlines for walls;
  3. draw 13 windows;
  4. draw 10 doors;
  5. draw 2 beams;
  6. draw 2 columns;
  7. draw the cutting plane P – P;
  8. identify 9 spaces;
  9. write floor plan;
  10. draw neatly.

The solution is shown below:

Candidates were expected to:

  1. draw to correct scale (13, 125 x 3,150);
  2. draw the ground line;
  3. draw the finished floor level;
  4. draw 5 walls (vertical lines);
  5. draw 4 conventional windows;
  6. draw 2 conventional doors;
  7. draw the roof;
  8. draw the eaves projection;
  9. write rear elevation;
  10. draw neatly.

 

The solution is shown below:

  1. Sectional View on plane P-P

Candidates were expected to:

  1. draw to correct scale (1:50) (9,900 x 6,200);
  2. draw 4 foundation footings & blindings;
  3. draw 4 foundation walls;
  4. draw the earth fillings;
  5. draw the hardcore;
  6. draw the concrete slab;
  7. draw the ground level;
  8. draw the screed;
  9. draw the finished floor level;
  10. draw 2 sectional walls;
  11. draw 2 columns;
  12. draw one window in section;
  13. draw one door in elevation;
  14. draw a lintel;
  15. draw 2 beams;
  16. draw 2 wall plates;
  17. draw the ceilings (board & joist);
  18. draw the roof components (Rafter, Purlin, Kingpost, Strut, Tie beam);
  19. draw the roof cover;
  20. draw the ridge cap;
  21. draw the facial board;
  22. draw the eaves;
  23. write sectional view P-P.

The solution is shown below:
 
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