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Re: Bracing query

Subject: Re: Bracing query
From: Pete Hughes
Date: Jun 06 2006 21:25:28 


Robert Yates wrote:

Dear All

Can anyone help regarding a spec. for a bracing system for a multi-stem Walnut. 
There are around 10 stems, more or less in a circle and between 250 & 350mm 
dia. @ the optimum bracing height.
I believe there is a thing called a 'Ring' brace where you have a central 
collar with the braces emanating from it.
Has anyone had experience of this (or other appropriate system), and is it 
difficult to set up? & who would supply the gear?

Any help much appreciated

Robert @RGS


Robert,
You could try box or rotary cabling - all the stems are linked by a
circumferential ring of cables, with additional cables between opposite
stems, using normal cabling techniques. David Lonsdale, in 'Principles
of Tree Hazard Assessment and Management' describes it on p215/6, but to
be honest it does look pretty unsightly. 

Regards

Pete


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