I was on the Tree Commission for my city for about 15 years an done of the things that we accomplished was the creation of a series of regulations regarding trees. Section 5.14 of our city regulations covers most tree issues. Here is a link
http://www.ci.milford.ct.us/Public_D...%202-21-06.pdf
I will post the link to our regulations to protect trees from consturction damage when I find it again. The city has changed their web site and I am having trouble locating it.