Observation

They performed well by:

-           laying-out both the external and internal walls drawn on plan properly;
-           labelling the various rooms spaces and compartments correctly;
-           showing the three threshold steps in their correct location.

However, some of them failed to:

-           to dimension the floor plan properly;
-           partition the windows into spaces into bays as specified;
-           indicate the doors shown on plan with conventional symbols.

The expected response to question 2 is as given below: