Here is a link for PDF files as related to Chicago code which have lots of good general info.
http://egov.cityofchicago.org/city/webportal/portalDeptCategoryAction.do?deptMainCategoryOID=-536887755&deptCategoryOID=-536887756&entityName=Buildings&topChannelName=Dept&contentType=COC_EDITORIAL&Failed_Reason=Session+not+found&com.broadvision.session.new=Yes&Failed_Page=%2fwebportal%2fportalDeptCategoryAction.do
Opps I am aware of mis-spelling guidelines but do not know how to edit post titles.
Good stuff. Thanks.
Bob, thanks for the information, sometimes what I take for granted is worth a barrel of potatoes for others, ah, I mean a wealth of information, ha. ha.
Good information. And thanks.
Marcel:) 
</IMG></IMG>
Your welcome.This kind of post is much more satisfiing.Yuck Yuck