UKTC Archive

RE: Windshield/Drive-by | Speed Limit

Subject: RE: Windshield/Drive-by | Speed Limit
From: elsteadbysea@xxxxxxxxxxx.com
Date: Nov 25 2019 12:07:59
Agree with Bill and having done some motorway work in the past, very hard to 
go back and find tree/s unless you are able to note post number.
I wonder if a dash cam may be of assistance in picking up issues.

By all means do a drive past survey to identify level of issues but you 
cannot spot a tree with a basal cavity behind tree.
How many times have we looked at a apparently good three to walk behind it 
and exclaim OMG?

Best 

Phillip

-----Original Message-----
From: uktc-request@xxxxxx.tree-care.info <uktc-request@xxxxxx.tree-care.info> 
On Behalf Of Bill Kowalczyk
Sent: 25 November 2019 11:57
To: UK Tree Care <uktc@xxxxxx.tree-care.info>
Subject: Re: Windshield/Drive-by | Speed Limit

Hi David 

I’ve only done a couple of these, although they were on private estate roads 
where speed or other traffic wasn’t any kind of issue.

Nevertheless, it’s often easy to spot some significant concerns even driving 
at 70mph on a motorway, so long as the trees are far enough apart that they 
stand out.  

However, if you’re driving through a densely wooded area (eg. Ampfield 
Straight Mile down here, see: https://tinyurl.com/tpkh9b7 
<https://tinyurl.com/tpkh9b7> ) I doubt that 5mph would be slow enough to 
reasonably spot what’s going on, and it would make YOU the potential hazard 
to road users!

So I’m not at all sure how you can be prescriptive in writing a protocol.  
But from my experience I'd certainly recommend the advantages of driving a 
convertible :o)

Regards,

Bill

On 25 Nov 2019, at 09:58, David Evans <david@xxxxxxxxxxxxxx.com> wrote:

A driver and a spotter.  Both sides of the road driven.  At what speed 
do you reckon a windshield/drive-by should be carried out to pick up 
'Obvious Defects'*?

For example, is driving at around 30mph going to reveal significantly 
less obvious defects than driving at about 10mph?  Or significantly 
more obvious defects than driving somewhere close to 50mph?

If you had to choose a speed limit, what would it be?




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