11-15 Fixture outlet trap seal

Question: 11-15Code Section: 7Date: 14 September 2011OBC 2006 Reference:

Question Submitted:
Can the trap seal on inlet side of the trap rise into the fixture outlet pipe due to the trap arm
being installed too high?


Interpretation:
The consensus is that a code change proposal; that all fixture outlet pipes be installed above
the weir of the trap.