You could look at creating a 'Commons" folder. It can be a bit tricky at first, but if you work with it I think you can get what you want. See John Detroye's excellent Tips and Tricks document which can be downloaded from this web address: https://servicedesk.utep.edu/workorder/FileDownload.jsp?module=Solution&ID=1511& delete=false
Search for 'Commons". This document is geared toward 10.5 server, but ACL's were introduced in 10.4 server, so it should be doable.