Paul Melarange
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Everything posted by Paul Melarange
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Three trees of concern
Paul Melarange replied to Two Acres's question in Homeowners Tree Advice Forum
Trees can grow near buildings without causing problems 😀 -
Any tree risk assessment should involve a balanced and reasonable approach. If you assess the targets, the hazards and the risk of those hazards causing harm/damage, then that is your risk assessment. QTRA does this along with many other methods of tree risk assessment. Tree failure will be the main thing that you will consider. However if you feel that there are particular characteristics of a species that may pose an unacceptable risk then record it and make recommendations accordingly. You certainly don't need to list every possible eventuality for every tree.
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Three trees of concern
Paul Melarange replied to Two Acres's question in Homeowners Tree Advice Forum
The scots pine looks great. The white beam doesn't look as bad as I expected from your earlier description. The root plate doesn't look like it has lifted significantly, if at all. I'd have to see it in the flesh to comment any further though. The cherry obviously has a decaying cavity, but whether it is severe enough to increase significantly the risk of the stem failing is impossible to work out from a photo. -
The large growths are the bud proliferation. They are clusters of buds, some of which may be dead others might be alive, that form large swellings. It is common on red horse chestnut (Aesculus x carnea).
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Hi Keith, Was there any indication of any excavation or changes in soil levels near the trees? I can't see the wall behind the trees very well in the photo, but is there any indication that it has been constructed or re-built in the last decade?
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They charge around £500 per day for the spider FS320 (plus transport charges).
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Hi James, We use a 32m spider from a company called Easi Uplifts. It's a great platform. I think the depot nearest you would be Southam in Warwickshire. Paul
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I'm looking at getting a camera for use in the tree. I want it to be able to take still shots as well as video footage. Does anyone have any experience of using the Sony HDR100? The sony looks pretty good and is a little cheaper than the GoPro. Any help and advice would be much appreciated Paul
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Hi Kevin, I don't have my own resistograph but a local consultancy company allow me to use theirs (as well as their Picus). Let me know if you need any decay mapping doing. It would be great to work with you. Paul
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Give me a call if you like Nick. We could do the resistograph tests together.
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Laser surveying to determine root spread/depth
Paul Melarange replied to ChrisG's topic in General chat
Sharon has extensive experience of using the tree radar. She has done two surveys for me, both of which I've been really pleased with. I'm sure she would be happy to talk to anyone that might be interested in the technique/eqiupment. -
Laser surveying to determine root spread/depth
Paul Melarange replied to ChrisG's topic in General chat
Do you mean root surveys using ground penetrating radar? -
I'll second that 😀
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That's really interesting Codlasher 👍 What type of soil was it? We're there any signs of damage to the structure of the building caused by tree? Was the root barrier designed by an engineer? Or was it the home owner that came up with the idea?
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Not necessarily unreasonable, just unusual. I would have thought that the building control officer would have specified a foundation type and depth that would have been sufficient without additional measures such as root barriers. However, I don't know the details of the project and I'm certainly not an engineer. Is it a single storey extension or two? The building control aspects of a planning consent are generally completely separate to the tree protection side of things (they can often provide conflicting advise/recommendations). It seems strange that a root barrier has been recommended to protect both the building and the tree. Is the diameter of the stem (at 1.5m) less than or great than 67cm?
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Ah ha, right I see. Have they specified how deep the barrier should go? And do you know what depth the foundations are going to be? Sorry for asking so many questions, but it's an area that really interests me. The use of root barriers in this way is also quite unusual (in my experience anyway). Cheers, Paul
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Just out of interest, where is the root barrier going? Along the edge of the foundation for the extension? Or nearer to the tree?
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I'm not sure if I miss read this post but, just to avoid confusion, Paul AATeccie) is Paul Smith (Technical officer for the Arb Association). Paul Elcoat is someone entirely different. He is a business consultant that is employed by the association to conduct some of the approved contractor assessments. Both Pauls are very good at what they do and top blokes 👍
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Would you bother retaining/managing the decline?
Paul Melarange replied to benedmonds's topic in Tree health care
What is the extension growth like? Tis a shame about the Tarmac right up to the stem, but I'm pretty certain that's not going to change anytime soon! -
Looking at the form of the smaller branches and twigs, I'd go for Red horse chestnut (Aesculus x carnea) too. Also the burring or bud proliferation is typical of that species. Bloomin' difficult to say for certain from those photos though.
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Simon, have a look at this guidance on tree crown support by Andreas Detter and Phillip van Wassenaer http://baumpflege.net/images/pdf/eng/crown_support_balt.pdf
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The following website has an online calculator that might help you: http://www.treecalc.com (it does cost money to use it though). Ps Gary you'll like this site. It's based on tree statics 😀
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Fair comment. I posted it for the same reasons listed in Gnomes post #12. However, on reflection, it probably wasn't necessary. I won't do it again.
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Yes but only after you've ascertained that the tree is actually within falling distance of the house, is large enough to actually penetrate the structure of the building and after explaining all the other options available i.e. crown reduction to reduce wind load etc. surely?
