Sorry for the late reply
According to this drawing:
http://members.ozemail.com.au/~jgpri...lansTypeII.jpg
Which appears to be Type IIa or Vesikko
You can actually see parts of that image on the floor, it's how I started the layout. If I didn't have to move the radio room, I wouldn't have. I'm not 100% positive about the sound room, but that's the most likely place.