Just as an aside, the curve in the A15 was supposed to be the reason for the NAAFI being called "The Flying Bowman", the bowstring representing the original A15 and the stave showing the new bends.
The best dispersal was the one near the back gate onto the B1398, Line Eng. was also in the same place. It meant that it when on night shift, at supper time, it was easy to nip out for a swift half at "Mr. Bells"