All measurements in Meters and centimeters, to the .1

Use a good measuring tool. 

SW1
Room 1
25.4
2.5
12.1
10.5
6.0
2.5
4.0
2.5
10.5
4.0
4.0
4.0
4.0
8.0
3.8
26.5
0.0
1.0
0.0
1.0
3.0
0.0
1.85
None
458

auditorium dimension points 75a