There is also OSGeo Oceania, which may cover the “… to enlist more local contributors and allow more local input into administration of the community…” portion you spoke of.

The description off of their website: “OSGeo Oceania is a volunteer organisation devoted to growing and enabling the OpenStreetMap and Open Source Geospatial communities in Oceania and the surrounding nations. We welcome participants of all skill levels, from hobbyists to professionals, engaged with mapping in Oceania.”

More specifically, the Australian Tagging Guidelines seem really fleshed out and might be of use to you. They also list contact information if you have any questions or need assistance.

I understand it seems you might not be interested in using the wiki or having to send a message for assistance, but even with US English, I keep the wiki open all the time. It is an invaluable resource.

Thank you for this write-up! I wish I would have seen it back in April.