A miscellany of policies that are more complex than on the Shop Rules page.
You can view current policy proposals that are in the works here: Governance Proposals
Yes, that's great, do it. If you think you *might* need to ask, do so, if only to avoid scheduling conflicts and the like. No ones been told “No” yet, however there have been a few “Please don't do this” things so that projects don't interfere with other members or the community. The Board of Directors is certainly *not* going to stop you from doing anything (legal) but we also don't expect every member to be familiar with every event or other project going on. This is only to be respectful of our community and other members. If you didn't ask, you might be told to move something, or alter something in a way that's more annoying than we'd like to be. (Remember, play well with others.)
In November 2011 our organization adopted a living and changeable document, which outlines a Code of Conduct for its members. The content of this document can be found on the Twin Cities Maker Code of Conduct page.