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Hi All, I am a new member and I am an architect and arboriculturist, based in Warwickshire. I am looking for some feedback if possible. I am passionate about both trees and buildings, and in particular am interested in locating trees close to buildings. There are a number of barriers preventing this, such as : - the RPA calculation in BS5837 - threat of litigation - lack of arboricultural knowledge that architects have My doctoral research relates to how these barriers could be moved to allow trees to be located closer to buildings taking advantage of all of the widely known benefits. Can anyone comment on how the 12x calculation for single stem trees for RPA was arrived at? The calculation seems arbitrary and doesn't appear to necessarily relate to all situations. I am also interested to know if anyone knows the authors of the calculation or how it was arrived at.
Hi I'm wanting to build a garage in my front garden, after I was somewhat conned by the builders, but that's a long story. There is a large oak tree on the edge of my front boundary to a main road and large grassed area that has a RPA within in it, drawn as a circle. I wanted to erect a garage about 12m from the tree, near the house, for which it seems I need planning permission due to being in front of the forward elevation of the house.... GRRRRRRR. As such I will also come under the beady eye of the tree lady, who will no doubt argue the roots won't like it. I actually love the tree and without question want to protect it. If one altered the shape of the RPA it would spread under the driveway, which is shallow construct, just gravel and porous paving. The tree is quite large, about 1m at 1.5m above the ground. Does anyone have any ideas that might improve my chances. Out of interest, I also have a fir tree at the back, which is also protected!!!! where a garage could go, but I was hoping to leave all trees in tact, even if I could get the protection order on the fir lifted...is that likely? Thank you for any help.