I think what you need to look at is the schemes ongoing 10-year maintenance plan and work out where you are in that.
The maintenance plan has to be renewed every five years (for the next 10) so it sound like you are in the middle of that cycle now.
What you want to establish is what maintenance still needs to be done to fulfill the requirements of the maintenance plan for the next few years and what has been sidelined to concentrate on the more immediate isse.
The fact that the vendor is allso the treasurer is actually an opportunity. He knows what the true situation is and has a vested interest in explaining the situation to you – if he deliberately misleads you, you could have a comeback.
So talk to the treaurer and ask him if he can spend half an hour explainging things to you. Then ask for a written summary of what he’s told you. If he’s in any way reluctant to provide that, be prepared to look elsewhere.
[A discussion about communicating with committees has been moved to HERE]