vents and windows

[Barrybpdx]

i'm doing a big remodel, finishing the 3rd floor attic as living space w/ a dormer bathroom. also moving fixtures in a 1/2 bath in a 1-story section (former porch) off the back of the house.

what is the requirement about how far a roof vent needs to be from an operable window?
something like the end of the pipe must be 2' above any window within 10' horizonally?

 

[Winslow]

according to the UPC you need to be 10 away horizontally or three feet above any openable window or air intake