A 3-inch diameter vent stack receives the discharge from a 4-inch diameter soil stack. What is the minimum required size for the vent stack, provided that the soil stack is one pipe diameter larger than the vent stack?
A 3-inch diameter vent stack receives the discharge from a 4-inch diameter soil stack. What is the minimum required size for the vent stack, provided that the soil stack is one pipe diameter larger than the vent stack?