Question 1 (5 marks) The plans below show a public library building with an open deck car park underneath. Many of the walls and floors on the plan are labelled. You are required to fill in the table below, nominating the walls and floors that form part of the envelope of the building. You are also required to provide a brief written justification outlining the reasons for your answer.

Walls / floors forming part of the envelope of the building Walls / floors not forming part of the envelope of the building

Justification:

Wall L-1 Wall L-7 W4 Wall L-8 STAIR Wall L-4 Wall L-10 Wall L-9 SUBFLOOR Wall L-5 CARPARK B B Wall L-2 Wall L-3 Wall L-6 LOWER LEVEL PLAN (Not to scale)Ceiling 1 (above Ceiling 2 (above library) amenities) VERANDAH AMENITIES LIBRARY SECTION A-A (Not to scale) Floor 2 (below library) Floor 1 (below amenities) Floor 4 (above carpark and below library) LIBRARY CARPARK SUBFLOOR SECTION B-B (Not to scale) Floor 3 (below library and above subfloor) Floor 5 (below carpark)Ceiling 1 (above Ceiling 2 (above library) amenities) VERANDAH AMENITIES LIBRARY SECTION A-A (Not to scale) Floor 2 (below library) Floor 1 (below amenities) Floor 4 (above carpark and below library) LIBRARY CARPARK SUBFLOOR SECTION B-B (Not to scale) Floor 3 (below library and above subfloor) Floor 5 (below carpark)