UKTC Archive

Re: RE: VALID Tree Risk-Benefit Management | Highway Authority

Subject: Re: RE: VALID Tree Risk-Benefit Management | Highway Authority
From: Tom Thompson
Date: Mar 01 2019 09:06:42
Good to see value,  in whatever form, in a risk assessment.

Sincerely Tom

I S Tom Thompson (known as Tom) BSc (Hons) Arb, MSc eFor, MArborA
Principal Arboricultural Consultant

Arbor Cultural Ltd
36 Central Avenue, West Molesey, Surrey, KT8 2QZ

T   0333 XXX XXXX
M  07899 XXXXXX

E   Admin@xxxxxxxxxxxxxxx.co.uk
W  www.arbor-cultural.co.uk



On Fri, 1 Mar 2019, 8:22 am David Evans, <david@xxxxxxxxxxxxxx.com> wrote:

<<"ALARP means the risk is Tolerable if the costs of the risk reduction
are greater than the value of the risk reduction."

The costs need to be grossly disproportionate, not just greater than.>>

Hi Paul

I've given it some thought and updated the sentence to this, which I think
reads better.

"Put simply, ALARP means the risk is Tolerable if the costs of the risk
reduction are much greater than value of the risk reduction."

I'm looking to explain the ALARP concept in easy to understand terms, and
in the context of how VALID goes about dealing with it for tree
risk-benefit assessment and management.  When the risk is amber, ALARP
decision-making, and what's grossly disproportionate or not, is built into
the App around which way the Likelihood of Failure is heading (attached).
So, the assessor or duty holder is spared the numberwang of disproportion
factors and complex cost benefit analysis.

Cheers

Acer ventura



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