Back7.2.4.2.(1)

ATTRIBUTION:

Functional Statement:

F81

To minimize the risk of malfunction, interference, damage, tampering, lack of use or misuse.

Objective:

OH2.1, OH2.4

 

APPLICATION:

Use of single and double sanitary T fittings in nominally horizontal soil-or-waste pipes and vent pipes.
This applies to buildings.

INTENT:

To limit the probability that turbulence and interference between flows from opposite branches will lead to a reduction of flow capacity in drainage systems, which could lead to waste water backing up, which could lead to unsanitary conditions, which could lead to harm to persons.