When we recently up-dated our kitchen, the idiot plumber managed to clog-up the exterior waste pipe with gravel, so we are having to create a by-pass with a new pipe; this involves us hand digging a long shallow trench about 2ft deep.
When I draw up the map of the new pipe position (for future generations), I shall include reference to an 'unknown, non-ticking, metal object'. Nothing like a bit of mystery!
