Martin Groves et moi were working there ages ago (five years plus?) and I haven't heard of anyone since. Lot of the materials pre-dates our exploits (Parker?) & not sure I'd trust them anymore. It's a good project but there are a couple of sketchy chokes on the way that we shored up as well as possible. The terminal choke was always blowing well but I seem to recall that it became a bit vague as to the best way to proceed. Added to which it would have taken a while to exit so we only used chemical persuasion when the wind was sucking in so think it was our winter playground... Biggest hassle was danger of vehicle break-ins so long walk from the pub was the way we did it. Drop me a line if you need any details or labour: I could be persuaded to get off my ass.