peninsula vent

We have our sink in the peninsula with the vent running through a half wall to the exterior wall where the vent stack is. The house was built in 2003. It is not code right now (6" above flood level of sink) because the vent is 34.5" from the floor and my current top mount sink is 37". We...

First I would like to thank Terry and this forum for the many posts on island loop vents. My familiarity with them, all from what I learned here, impressed my city inspector for a DIY'er. Before I complete final glue up of my peninsula loop vent, I would like input on heights of the cleanout...