1. House (building drain).

Question 1

1. Maximum number of fixture units of a building drain and sewer.
3" - ? FU.
4" - ? FU.
5" - ? FU.
6" - ? FU.
8" - ? FU.
10" - ? FU.
12" - ? FU.
15" - ? FU.

Answer 1

3" - 36 FU.
4" - 180 FU.
5" - 390 FU.
6" - 700 FU.
8" - 1,400 FU.
10" - 2,500 FU.
12" - 3,900 FU.
15" - 7,000 FU.