mr. flanigan >> thank you very much. to supervisor weiner and christensen bringing this ford we will been working with supervisor weiner's office and the department and public works to bring this forward we think it's absolutely necessary to put teeth into existing policy this does that. the fact that we have so much construction going on in the city right now historically has been almost impossible to man date the developers put the trees in this way. we put the trees in the beginning process and put it in the hands of public works that can enforce the issue that is incredibly important. the other things we're sensitive to are the billboards in san francisco and how billboard owners have butchered trees we hope this is the first step to address this in san francisco. there is no reason we hold adjacent property owners responsible when we don't hold billboard owners responsible for destroying their tree we strongly support this legislation. the last thing is we need to protect the existing trees around development in thi