Given: A vertical soil stack 4″ in diameter has a cleanout at its base and runs directly into the building sewer, A cleanout is not required between the bulding sewer and the building drain if the cleanout is wit hin ____ feet of the connection.

Given: A vertical soil stack 4″ in diameter has a cleanout at its base and runs directly into the building sewer, A cleanout is not required between the bulding sewer and the building drain if the cleanout is wit hin ____ feet of the connection.