Draft!
ID
Past use
Current
Proposed as
K20-B-
K20-0-xx
Toilet
K20-0-1
Bathroom
K20-0-1B
Storage
K20-0-2
Kitchen
K20-0-3
Room
K20-0-4
Room
K20-0#-1
Toilet
K22-0-1
Kitchen?
K22-0-2
Bathroom
K22-0-3
Room
K22-0-4
Room
K22-0-5
Kitchen/Bathroom