Sorry I don't have an answer about the occupation order (they weren't around when I went through my divorce) but you should be able to access support services. If you have already had dealings with police (as he is on bail etc) then the domestic abuse team should be able to help you, or if you have any domestic abuse support services (womans aid or similar) they will ba able to advise you about all aspects. You could try contacting them via the telephone line or website if you don't have anything local.
best wishes x