UKTC Archive

Re: BS5837 - how to categorise a hazardous tree with a known bat roost in it?

Subject: Re: BS5837 - how to categorise a hazardous tree with a known bat roost in it?
From: Jerry Ross
Date: Oct 21 2020 17:07:57
It seems to me you're all kow-towing to BS837 rather more than necessary. It only offers "recommendations"; it's not holy writ. Like so many trees, this one doesn't fit neatly into any one of the four boxes provided. So give a narrative verdict; provide a description of its condition, its likely safe life expectancy and its value (landscape, biodiversity and whatever) and of course stress the presence of a protected species which it would be a criminal offence to disturb without the relevant licence. It's our job to provide information about trees to guide others as to how they should be treated. If that information is incapable of being expressed in one of four letters of the alphabet, express it in some other way.




On 21/10/2020 17:52, Rupert Baker wrote:
Hi Bettina, what size/ dbh is the tree; does it show signs of having 
responded by regrowth to the previous pruning work; what level of target does 
it have currently- in terms of the busy-ness of the road, and whatever the 
proposals are for the development?
As Jim says - more questions rather than answers.... any photos??
If the bat roost is in the main stem, then  if nothing else a monolith would 
be worth trying, dismantling as a crane job using bat-friendly contractors
Atb
Rupert

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info On Behalf Of Bettina Broadway-Mann
Sent: 21 October 2020 15:00
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: BS5837 - how to categorise a hazardous tree with a known bat roost 
in it?

Dear All,
I have a mature Beech with many Ganoderma fungal brackets around the base and 
up the trunk, numerous old pruning wound cavities and other veteran features, 
and an identified bat roost in it as well.

It is within a site requiring a BS5837, and yesterday shed a very large limb 
across the road.

Question - would you class this as an A3 tree, or as a category U?

Many thanks as always,

regards
Bettina



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