to address the email that ms. oakes submitted today, it's always a challenge for me when someone is attached to a tree, i certainly feel a lot of empathy in the case but i want to state for the record as i think you all are aware, we don't take tree removal lightly, we generally have a very preservationist policy and try to preserve trees whenever we can. but we also have to take a tree decline and public safety into consideration. we did actually email her these photos even earlier before today to try to at least let her understand what we were seeing and the concerns. she just to address point number two, in my brief i indicated there's a lack of structural supporting roots opposite the lean and she questioned how we knew that and that's because of the records we have of repairing the sidewalk so we have a root pruning record when we repaired the sidewalk. i think that's all i have. commissioner goh: i have a question, ms. short. since i asked you this question many times over the last four years and this will be my l

ms. short, it's kind of interesting to have a case here on fell street when we had one on fell last week. >> oak last week. commissioner fung: reasonably in the same area. not necessarily exactly. but my question relates to, does the city have good information on when these trees were planted throughout the city? >> the quick answer is no. we have good information on some parts of the city, and we certainly have good information on trees that have been planted in the last 20 years or so. but prior to that, we have records, permit records if the trees were planted with a permit which does even occur on city maintained streets sometimes and in some cases when they were part of, for example, a redevelopment area then we have those records. commissioner fung: for the older stuff which i'm curious about is, i assume that most of the city maintained trees were not planted at the same time as the other ones. >> that's true. there's a wide range of -- commissioner fung: as an area developed, perhaps that area got planted all at once to a certain extent? >> that's right. and as i understand it there have