11 story building.
Over 80 wall hung toilets and 30 urinals.
Where would the vent be and how big would it be?
Would I find a 4 inch piece of PVC sticking out of the roof if I ventured up there?
If it's any bigger, what would stop people falling in?
Over 80 wall hung toilets and 30 urinals.
Where would the vent be and how big would it be?
Would I find a 4 inch piece of PVC sticking out of the roof if I ventured up there?
If it's any bigger, what would stop people falling in?