The City said YES!!

agreed, but if it's not an option put in an inspection pit before laying the floor slab. make sure it's long enough to get out without having to roll the car back or forward too. neil.
they won't let you do inspection pits here, don't want you dying because you left the car running and didn't ventilate :BangHead:. some people have done one after the garage was built. easiest way is get the contractor to pour the slab thin in the area you're planning to dig out.