Originally Posted by
langleybaston
Is there a formula for calculating?
Yes. The basic formula (for Inhabited buildings) is D (metres) = 22.2Q1/3. Q (kg) being the net explosive content. However, explosives safety is not that simple - many other factors need consideration. I am sure that the personnel at the time involved with burying the wpn knew what they were doing as would the Chief inspector of Explosives (RAF) at the time.