SIA has experienced many difficulties in practice and it is useful to elaborate on those difficulties here to assist in establishing the good practice used in our trial, as well
as to compare with the findings of our study for example, considered that therewas a need for a shift in thinking from the traditional approach which saw SIA as being only a regulatorytool and/or a tool to identify and mitigate impacts to being a much more proactive approach to enhancing the benefits of projects through: