That's a great document Steve-e, but more than is needed for a meeting organiser. Just saying it's an RMWeb OO compatible module negates the need for describing the standards, or just put a link to them. Similarly we all know what the standard wiring should be.
As cromptonut says the dimensions, track plan and control systems are the variables we need to know.
I would also describe the stock separately.
That said, I've started something very similar, so well done to you. Just wish I had your skills at scenery!
Robin