UpCodes logo
Jump To Full Code Chapter
Where it is desired to terminate stacks at a point below the roof terminus of the main vent stack, the sub-stack may connect to the main vent stack provided the portion of the main vent stack above the connection is sized for the total fixture unit load connected thereto, and for the maximum developed length of the stack or sub-stack.

Related Code Sections

903.6 Vents, Sub-Stack Connections
Where it is desired to terminate stacks at a point below the roof terminus of the main vent stack, the sub-stack may connect to the main vent stack ...
903.6 Vents, Sub Stack Connections
Where it is desired to terminate stacks at a point below the roof terminus of the main vent stack, the sub-stack may connect to the main vent stack ...
904.6 Vents, Sub-Stack Connections
Where it is desired to terminate stacks at a point below the roof terminus of the main vent stack, the sub-stack may connect to the main vent stack ...
Reference Standard 16 Plumbing and Gas Piping [PDF] (page 43)
Reference Standard 16 connect to a vent extension through the roof. The vent header material shall be of non-scaling type. (f) Sub-stack connections ...
Reference Standard 16 Plumbing and Gas Piping [PDF] (page 81)
) required, P109.3(b) size, P109.1(d) sterilizer, sizing, P114.9 sub-stack connections, P109.3(f) Vent systems, combination with waste system, P109.11 ...