William I don't have all those answers - yet - but I'm working on it.
The Jimna road - Ron and I are doing a night time site recce Tuesday night. I may travel either up or back that way and give a proper report afterwards.
Paul and Ron did a daytime visit here initially last year, here's a few choice bits of their report at that time:
" Ron and I loved the place. The accommodation is first rate and we both feel the skies will be as black as pitch."
&
"This place is setup as an education facility so it lacks nothing. There are even about half a dozen computers with internet access. The place is spotless and there is room for about 60 people in excellent quality double bunks in a number of bunkhouses."
(Confirmed - although the new dining hall now seats 100, we are limited to 60 beds - so first come first served!)
&
"The Principal of the place has a 10" LX200GPS

Guess what he likes to do at night

. Visual observers that don't require power have a pretty good dob field with access to about 30+ deg above the horizon, but it's a huge field so with scopes set up all over the place the limitations will be small. "
(We are looking into running power across to the large observing field for imagers as well, at present we don't think this will be a problem)
&
" Sky Quality: Expected to be as black as the inside of a dogs youknowwhat. 9.5-10

Yep we think it's going to be that black. It is along way from the nearest town. "
&
"To be honest we both fell in love with the place"
Yes, we did need to arrange public liability insurance - being a State Education Dept facility insurance is mandatory, not optional. The fact that it is Government owned and compliant with everything meant it was much easier to arrange.
Hope this answers most of your questions William. Can we expect to see you there??