Every once in a while someone will post a question regarding what particular steps occur before the other in the building process. I ran across this link which explains the different steps in the order of which they should occur. I have not read the entire link to determine how accurate it is but while proofing it seems fairly close. You may choose to use this as a sort of "guideline" .
Archived material contains the earlier post.
http://mynewhomeforeveryone.blogspot.com/2009_07_12_archive.html