I’m not exactly sure you are allowed a pit area on the lap. I’ve always seen the rules as ‘once you enter the course (at either the changeover area or solo entrance/exit/solo straight you must complete a lap before changing parts from outside the course’.
I guess it doesn’t really matter though as long as you only have one pit per lap. Having a pit where you can access it from 2 places on the same lap sounds very dodgy. Teams certianly aren’t allowed that. Conceivably you could get a flat on the first half of the lap and only have to wait 1/2 a lap to change the wheel, rather than a whole lap.
However, given the conditions last weekend I think some flexibility in the rules is essential and sensible.
GB