These alternatives to network folder (t: drive) options may be worth checking out. They allow you to take control over who can view/edit documents. No need to involve DoTS.
Network Folder Creation
Need a network folder so your department (perhaps including student employees) can collaborate? See more...
Network Folder Change
Already have a network folder but need to change it in some way? See more...
Network Folder Deletion
Need to have a network folder removed that is no longer needed? See more...