Draft National Wind Farm Development Guidelines - July 2010

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Always use the standard scale of 1 unit equal to 1m in real world units in producing a 3D computer model. Ensure the model is created using a GIS datum (i.e. MGA 94), and if you decide to shift your model, make sure you record the translation so that it is easy to bring additional data in at a later date. What are the limitations of this technique Computer modelling is sometimes portrayed as a time consuming and expensive exercise that is undertaken only for the benefit of the wider public. Often proponents overlook the usefulness of this effective design tool. As technologies continue to change and evolve at a high rate, it is becoming increasingly difficult to keep track of best practice 3D modelling techniques. In order to provide an accurate representation, the proponent should engage in a relevant expert in this field. A 3D computer model has different limitations depending on the extent of elements modelled. For example, if the simulation models topography and proposed turbines only, it can be assumed that the model provides an appreciation of the potential views and the form and massing of the proposed development, but does not provide an accurate representation of the final outlook. To provide a more accurate picture, a higher level output is required (such as a photomontage, 3D simulation (animation) or virtual reality (VR) modelling). There are potential inaccuracies in digital data (e.g. limitations of contour data) that need to be considered. C.7.4 Viewshed mapping What is Viewshed Mapping A viewshed (or ‘seen area’) is defined as the land visible from a point, or series of points. In its most basic form, a viewshed map, or ‘zone of visual influence’ (ZVI) analysis, identifies an area of landscape and/or object(s) that would be visible assuming that it had no vegetation cover or built structures. What is Viewshed Mapping used for Viewshed mapping is undertaken early in a project to assist professionals and communities in identifying locations from which the development will be visible, and to assist in determining the appropriate boundaries for the study area. It is also a useful tool in the early stages of a development proposal to identify the most useful locations for photomontages and similar computer generated simulations. Page 100 Draft National Wind Farm Development Guidelines – 2 July 2010
Figure C-4 Example of viewshed mapping Source: EDAW Portland Wind Energy project EES Amalgamating a series of viewsheds from individual points at regular intervals along a specified route identifies the composite viewshed of a linear feature such as a road or river. In this way, a series of individual viewsheds is combined into a single viewshed. This is particularly useful in demonstrating the overall visibility of a wind farm, as experienced by a person moving through the subject landscape on a particular route. Draft National Wind Farm Development Guidelines – 2 July 2010 Page 101
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EPHC National Wind Farm Development
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Acknowledgements These Guidelines h
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A.6.1 Site selection 28 A.6.2 Proje
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E.7 Technical discussion of key con
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The 20/20 target is challenging; ho
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Table 1-1 Elements of a ‘wind far
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2 Principles for responsible wind f
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3 Wind Farm Specific Issues The spe
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Specific noise limits are not provi
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3.5 Shadow flicker The issue Shadow
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Guidance notes Heritage issues are
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Table 4-1 Typical decision process
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The studies and community consultat
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A Community and Stakeholder Consult
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• Responsive There is a comm
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Figure A-1 IAP2 Public Participatio
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Specific components which should be
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Figure A-2 Example of Good Practice
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Recording the occurrence and outcom
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A.6.6 Decommissioning Planning & Co
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Potential Stakeholders Consultation
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B Noise B.1 Introduction This Appen
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the converse. These Guidelines reco
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The Standard should form the basis
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Stage and methodology Construction
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Other noise-sensitive uses such as
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Table B-2 Existing state and territ
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Page 61 and 62: As noted in Section 6.3.1 of AS4959
Page 63 and 64: predicted levels are significantly
Page 65 and 66: Prepare expert evidence (as require
Page 67 and 68: Undertake unattended monitoring to
Page 69 and 70: assessment of wind farm noise emiss
Page 71 and 72: B.4.5 Decommissioning Noise-related
Page 73 and 74: If a significant amount of time has
Page 75 and 76: B.7 Technical discussion of key con
Page 77 and 78: The HGC Engineering report 10 also
Page 79 and 80: C Landscape C.1 Introduction This A
Page 81 and 82: • Cumulative impacts “Cumulativ
Page 83 and 84: C.2 Overview of Methodologies Figur
Page 85 and 86: C.3 Task Methodologies C.3.1 Projec
Page 87 and 88: • State Relevant State herita
Page 89 and 90: The preliminary landscape character
Page 91 and 92: • Identifying and describing (in
Page 93 and 94: Advanced photomontages should also
Page 95 and 96: C.4.2 Visual Impact Assessment The
Page 97 and 98: C.4.2.4 Assessment of cumulative im
Page 99 and 100: the implementation of agreed change
Page 101 and 102: Figure C-2 IBRA mapping of Australi
Page 103 and 104: Table C-4 Mapping of landscape char
Page 105 and 106: C.7.2 Levels of significance What a
Page 107 and 108: Consider ‘Supporting Evidence’
Page 109: information available for other sit
Page 113 and 114: Figure C-6 Example of photomontages
Page 115 and 116: communicate broad-scale ideas and p
Page 117 and 118: Table C-5 Mapping other wind farms
Page 119 and 120: C.7.9 Glossary & acronyms Australia
Page 121: Viewpoint The point from which a vi
Page 124 and 125: D.1.2 Underlying approach The under
Page 126 and 127: All of the above is generally appli
Page 128 and 129: the operational wind farm is aimed
Page 130 and 131: D.4 Task methodologies D.4.1 Site S
Page 132 and 133: area as it was not collected accord
Page 134 and 135: used throughout these Guidelines as
Page 136 and 137: wind farms. Such data from existing
Page 138 and 139: considered acceptable, undesirable,
Page 140 and 141: construction phase are identified d
Page 142 and 143: Searches for dead birds and bats ar
Page 144 and 145: D.5 Cumulative impacts D.5.1 Defini
Page 146 and 147: in the absence of any turbine colli
Page 148 and 149: that it was first observed. Where m
Page 150 and 151: e the case that assessment for bats
Page 152 and 153: Department of Primary Industries, W
Page 154 and 155: Percival, S.M. 2003, Birds and wind
Page 157 and 158: E Shadow Flicker E.1 Introduction T
Page 159 and 160: • The use of recreational facilit
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• The method is inherently linked
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Table E-1 Recommended exposure limi
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E.4.4 Construction Assessment of th
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E.7 Technical discussion of key con
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Figure E-4 Variation in shading wit
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common practice varies between one
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as the actual limit, rather than th
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likely to be obstructed. Radiocommu
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Licensed radiocommunications servic
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Figure F-1 EMI mitigation methodolo
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F.4 Task methodologies F.4.1 Projec
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Expected timeframe for evaluation r
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The near field zone can be calculat
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Develop mitigation strategy As a st
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aseline RF survey which involves th
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G Wind Farm Development Process G.1
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Project Sub-stages Activities to be
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Preliminary Technical Studies Issue
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Planning application (PA2) The plan
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Develop mitigation strategy Finalis
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Environmental Management Plans Issu
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Monitoring: confirmation (O3) Confi
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Decommissioning (D2) Once a decisio
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Draft National Wind Farm Development Guidelines - July 2010

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