Observation

Majority of them did well by:

-           preparing the schedules in accordance with the conventional format;
-           describing correctly, the various doors and window required;
-           indicating the appropriate sizes of the doors and windows.

However, many of them failed to:

-           state the qantity of each door and window type required;
-           draw the doors and windows to scale 1:25 as specified;
-           dimension the doors and windows;
-           represent the doors and windows with appropriate symbols.
The expected response to question 4 is as given below: