1. Any strata notices to the owner should be sent to the name and address on the strata roll. The owner can put whatever details she likes on the strata roll, and that is where the notices go. Privacy has nothing to do with it.
There is one address for service of notices, that is the address on the strata roll. It is not up to the OC to send notices to addresses other than those on the strata roll and in practice that would create a lot of problems.
If the owner wishes to appoint the strata manager as their agent for the purposes of receiving strata notices, that is a matter between the owner and the strata manager. That is, she could enter into an arrangement with the strata manager to have his addresss on the strata roll and forward the notices on to her address, and she can pay him to do that.
There is no requirement for you to add an extra four days notice, provided you send the notices to the address on the strata roll, nor is it up to the OC to meet additional costs because, quite frankly, someone is being a pain in the neck.
(sorry, but this sort of thing makes me really cross)
2. In relation to the documents on the legal file, as a general rule privileged documents are those between a solicitor and client where the purpose of the documents is for the giving of legal advice, or communications between a client, solicitor and other persons for the dominant purpose of anticipated or exisiting litigation.
What are the documents? It doesn’t sound like they fall into the category of privileged documents. If they were, why would the EC member have given them over? Note you also have to claim privilege to keep it.
If they are just basic documents and they did originally come from the EC member, which is what they sound like as they were provided for research, then just copy them and give back the originals.