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GLVIA3

 

Guidelines for Landscape and Visual Impact Assessment, 3rd edition

 

The third edition of Guidelines for Landscape and Visual Impact Assessment (GLVIA3) was published and came into force on 17 April 2013.

 

This page has links to technical notes and clarifications produced by the LI Technical Committee and GLVIA Advisory Panel.

 

 

Statement of Clarification 1/13 June 2013

Covers:

  • GLVIA3 and how it should be understood
  • The use of the phrase ‘significant in EIA terms’
  • The use of the term ‘significant’; and
  • How the assessment process may differ between Landscape and Visual Impact Assessment  undertaken for EIA purposes and landscape and visual impact appraisal undertaken for other purposes.

 

Statement of Clarification 2/13 June 2013

Corrects an error in the text of GLVIA3 in Figure 5.10 'Scale of Significance',


 

Statement of Clarification 1/14 Jan 2014

Covers:

  • The role of mitigation in relation to LVIA as part of landscape ‘appraisal’
  • The process of Appraising Effects


Statement of Clarification 2/14 Jan 2014

Covers LVIA and the assessment/appraisal of Residential Amenity


 

Photography / photomontage question 1/13 Jun 2013

Sensor size and crop factor


 

Photography / photomontage question 2/13 Nov 2013

Planar visualisations


 

Transition from the second to the third edition of GLVIA

The LI Technical Committee produced the following guidance on the transition from the second to the third edtion:

GLVIA3 replaces the second edition GLVIA2. In general terms the approach and methodologies in the new edition are the same. The main difference is that GLVIA3 places greater emphasis on professional judgement and less emphasis on a formulaic approach. Members have asked for clarification on the status of projects developed under GLVIA2, but reviewed or implemented after publication of the third edition.

An assessment started using GLVIA2 should be completed using that edition. However, if in the view of the professional a comparison should be undertaken with GLVIA3, and subsequently if necessary a re-assessment undertaken according to GLVIA3, then this should be discussed and agreed with the client in the first instance. Obviously, assessments started after the publication of GLVIA3 should use it, rather than GLVIA2.


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Last updated 22 July 2015

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GLVIA Advisory Panel

The GLVIA Advisory Panel reports to the LI Technical Committee and is assisted by a project co-ordinator from the LI Secretariat.

GLVIA Advisory Panel members:

Jeff Stevenson CMLI (chair)
Julian Francis CMLI (to May 2013)
Mary O'Connor FLI
Mark Turnbull FLI
Marc van Grieken FLI

Chris Bolton CMLI

Charmaine Smith CMLI

 


 

Praise for GLVIA3

"The third edition of the Landscape Institute’s (LI) Guidelines for Landscape and Visual Impact Assessment is a great step forward for the profession. It is well laid out, well written and moves from principles to process with clarity."

Liz Lake - Director, Liz Lake Associates | Read in full


"The ‘Purple Book’ is a welcome update as it offers a clearer terminology and by organising the guidance in two parts, it provides both an overview and detailed approach to the assessment process."

Turley Associates | Read in full


 

GLVIA3 queries

LI members can discuss the guidance and post queries on Talking Landscape

tl

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