And your consultant must know local practices as well.
Building inspectors cover an incredibly wide range.
At the low end, you really would have to delve into plant psychology. I'd say mushroom management applies at times, but I've never encountered a carnivorous mushroom with delusions of self-importance. At the other end, Emory Rodgers, the head of code compliance in Arlington County, where I live, next to Fairfax County, is a delight to work with, is an active participant in evolving building codes standards, and actually believes his department should help get the job done, safely. Over the years, certainly in networking areas, I have come to prefer overhead cable tray as much easier to maintain. Some urban archaeologist is going to take up a research project that investigates why certain artifacts predominate under raised floors.