11-16 AAV serving a grease interceptor

Question: 11-16Code Section: 7Date: 14 September 2011OBC 2012 Reference: 7.5.9.2.(1), (2).


Question Submitted: Can Air Admittance Valves be used to serve a grease interceptor?


Interpretation:
The grease interceptor is not a fixture as per 7.5.9.2.(1).
The inlet vent is subjected to back pressure which is not permitted as per 7.5.9.2.(2)(d).