P6808 Public comment draft
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P6808 Public comment draft

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Draft: DZ6808 v2.5 Public Comment Draft Acoustics – Wind farm noise Draft SPEX # Date V2.0 17/01/09 V2.3 23/01/09 V2.4 02/02/09 V2.5 09/02/09 Committee: P 6808 DO NOT USE THIS DRAFT AS A STANDARD – IT MAY BE ALTERED BEFORE FINAL PUBLICATION Standards New Zealand This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND DRAFT New Zealand Standard Private Bag, Wellington. Fax: 04 498 5994 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND EXPLANATORY NOTES FOR REVIEWERS Credentials This document is a proposed New Zealand Standard in terms of the Standards Act 1988. Issue as a draft in this form provides the required statutory opportunity for consideration and comment by the bodies and persons having an interest in the Standard. Commenting (a) Comments are invited, preferably in electronic format, on the technical content, wording and general arrangement of this draft. Please ...

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This document sin toa N weZ aendlata Sarnd Id.si td a tfarrev  of sionvisea renaad dtsihhcdrw bel il wctjeub siver ot e dna wecnulidgniditgni e deleti possibliddanoit sno dnaaticn io  s.blPuso eupprna yof rakinan mr thotheatS ot tnemmoc glaea Zew Ndsarndtnetsi sorp ibih andutbots ion cN WEZ AEALDN ted. © STANDARDSni d W n ioafmrAticscouss
 
Draft: DZ6808 v2.5
Date 17/01/09 23/01/09 02/02/09 09/02/09     
e 
 
Public Comment Draft
Standards New Zealand
 
SPEX #         
 Draft V2.0 V2.3 V2.4 V2.5      Committee: P 6808   DO NOT USE THIS DRAFT AS A STANDARD – IT MAY BE ALTERED BEFORE FINAL PUBLICATION
 
Private Bag, Wellington. Fax: 04 498 5994
This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
 
EXPLANATORY NOTES FOR REVIEWERS  Credentials  This document is a proposed New Zealand Standard in terms of the Standards Act 1988. Issue as a draft in this form provides the required statutory opportunity for consideration and comment by the bodies and persons having an interest in the Standard.  Commenting  (a) Comments are invited, preferably in electronic format, on the technical content, wording and general arrangement of this draft. Please use the comments pages, provided behind this notice, for your comments. (b) Editorial matters (i.e. spelling, punctuation, grammar, numbering, references etc) will be corrected before final publication. (c) Electronic comments should be sent by e-mail to craig.watkin@standards.co.nz or on a disc. Other formats - Comments should preferably be typewritten. Please do not return marked-up drafts as comments. (d) When completing the comments page ensure that the number of this draft, your name and organisation (if applicable) is recorded. Please place relevant clause numbers beside each comment. (e) Please provide supporting reasons and suggested wording, for each comment. Where you consider that specific content is too simplistic, too complex or too detailed, provide an alternative. (f) If the draft is acceptable without change, an acknowledgement to this effect would be appreciated. (g) Normally no acknowledgement of comment is sent. All comments received by the due date will be put before the relevant drafting committee. Where appropriate, changes will be incorporated before the Standard is formally approved.
     
 
 Postal address: Physical address: Standards New Zealand Level 10    RadioPrivate Bag 2439 New Zealand House WELLINGTON 6140 155 The Terrace   WELLINGTON 6011     Telephone:+64 4 498 5904    + 4 Fax:64 4 498 599    Enquiries:Craig Watkin    tkin@standards.c Emailcraig.wa o.nz    Web site: www.standards.co.nz This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
 
 
This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
 RECOMMENDED CHANGES TO DRAFT STANDARD  To: Craig WatkinFrom: (Your Name and Address) Standards New Zealand  Private Bag 2439 WELLINGTON   Fax: +64 4 498 5994 Email: craig.watkin@standards.co.nz  
Closing date for comment Date of your comments    30 April 2009  Committee: 6808
DZ6808/v2.4 Title: Acoustics – Wind farm noise   Comment is preferred in electronic format using Microsoft Word 97 or above, following the layout below. Electronic drafts are available from Standards New Zealand web site at http://www.standards.co.nz.  The following form is for comments to be submitted electronically. Please email your comments to craig.watkin@standards.co.nz  GENERAL COMMENT Type your general comments in the box. The comment box will automatically expand to accommodate comments of any length.  
Page 5 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
 
 
Page 6 of 47
This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
  SPECIFIC COMMENT Insert the number of the clause, paragraph or figure. Do not preface the number with words (i.e. 1 not clause 1). If there is no clause number, use the section heading (e.g. Preface). Insert the page, paragraph and line number as appropriate. Use a new row for each comment.  The rows will automatically expand to accommodate comments of any length. Remove unused rows, or insert additional rows as required. To insert extra rows at the end of the table, go to the last cell and press the TAB key.  
Clause/ Para/ Figure/ Table No  
 
 
 
 
 
 
Page Recommended Changes and Reason No  Exact wording of recommended changes should be given
 
 
 
 
 
 
 
  
  
  
  
  
  
  
Page 7 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
  
  
  
DZ 6808     
New Zealand Standard
Acoustics – Wind farm noise
Superseding NZS 6808:1998
Page 8 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
 
  COMMITTEE REPRESENTATION This draft Standard was prepared under the supervision of the P6808 Committee the Standards Council established under the Standards Act 1988.  The committee consisted of representatives of the following nominating organisations: Energy Efficiency and Conservation Authority Executive of Community Boards Local Government New Zealand Massey University Ministry for the Environment Ministry of Health New Zealand Acoustical Society New Zealand Institute of Environmental Health Inc. New Zealand Wind Energy Association Resource Management Law Association University of Auckland   ACKNOWLEDGEMENT Standards New Zealand gratefully acknowledges the contribution of time and expertise from all those involved in developing this Standard.   COPYRIGHT The copyright of this document is the property of the Standards Council. No part of the text may be reproduced by photocopying or by any other means without the prior written approval of the Chief Executive Officer of Standards New Zealand unless the circumstances are covered by Part III of the Copyright Act 1994.  Standards New Zealand will vigorously defend the copyright in this Standard. Every person who breaches Standards New Zealands copyright may be liable to a fine not exceeding $50,000 or to imprisonment for a term not to exceed three months. If there has been a flagrant breach of copyright, Standards New Zealand may also seek additional damages from the infringing party, in addition to obtaining injunctive relief and an account of profits.  Published by Standards New Zealand, the trading arm of the Standards Council, Private Bag 2439, Wellington 6140. Telephone; (04) 498 5990, Fax; (04) 498 5994, Website; http://www.standards.co.nz.
Page 9 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
   Contents Committee representation………………………………………………………………………………………………6 Acknowledgement ………………………………………………………………………………………………………6 Copyright ………………………………………………………………………………………………………….……..6 Referenced documents ………………………………………………………………………………………………..9 Latest revisions ………………………………………………………………………………………………………...11 Foreword …………………………………………………………………………………………….………………….11 Review of Standards …………………………………………………………………………………………………..11    Section 1 Scope ..................................................................................................................................................... 15 1.1 General ........................................................................................................................................ 15 1.2  15Offshore wind farms..................................................................................................................... 1.3 Wind turbine types ....................................................................................................................... 15 1.4 Small wind turbines...................................................................................................................... 16 1.5 ................6.1............................................................................ru.ecode trp................eMrusaneme 1.6  ...................................................................................................................... 16Protected premises 1.7 luxconsi..s.....E....................................................................................................................1.6........ Interpretation .......................................................................................................................................... 17 2.1 Terminology ................................................................................................................................. 17 2.2 Noise ............................................................................................................................................ 17 2.3  interval.......iTem................................................................................71......................................... 2.4 Definitions .................................................................................................................................... 17 2.5 ................................................................................................Qutianesti.....23................................ 2.6 ............23................................................................................................................Nota........itno.... Methodology...........................................................................................................................................24 3.1 General ........................................................................................................................................ 24 3.2 Process ........................................................................................................................................ 25 Land use planning.................................................................................................................................. 26 4.1 General ........................................................................................................................................ 26 4.2 Reverse .....................................ytivitisnes................................................................................26.. Noise limits.............................................................................................................................................27 5.1 General ........................................................................................................................................ 27 5.2 Primary noise limit ....................................................................................................................... 27 5.3  28Secondary noise limit................................................................................................................... 5.4 Special audible characteristics .................................................................................................... 30 5.5 Other factors ................................................................................................................................ 31 5.6  31Cumulative effects ....................................................................................................................... 5.7 ..........................................ytniaterncU.........................31................................................................ Predictions ............................................................................................................................................. 32 6.1 Methods ....................................................................................................................................... 32 6.2  33Sound power levels ..................................................................................................................... Measurements ....................................................................................................................................... 34 Page 10 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND
2 3 4 5 
6 7 
  7.1 oLitac.sno....................................................................................................................................43. 7.2 ........................................................................................................................43.nuoS........dad ..ta 7.3 ..53............ datWind....a................................................................................................................... 7.4 und kgroBac....stnemerusaem................................................................................63..................... 7.5 Post-installation measurements .................................................................................................. 36 7.6 ........mentsess esaaicnmolpC....................................................................37.................................. 7.7  38Small wind turbines...................................................................................................................... 8 Documentation ....................................................................................................................................... 39 8.1 Predictions ................................................................................................................................... 39 8.2  39Background sound levels............................................................................................................. 8.3 ........................................................0.4semsa ss....ne.t................................................ilpmecnaoC  Appendices APPENDIX A .................................................................................................................................................... 41 APPENDIX B .................................................................................................................................................... 42 APPENDIX C....................................................................................................................................................44 APPENDIX D....................................................................................................................................................45  Tables Table 1 – Symbols for sound quantities ........................................................................................................... 23 Table 2 – Noise limits summary ....................................................................................................................... 29 Table B1 – One-third octave-band level differences........................................................................................ 42 Table D1 – Atmospheric attenuation coefficient for octave-bands………………………………………………..46 Table D2 – A-weighting values for octave-bands ............................................................................................ 46    Figures Figure 1 – Assessment process....................................................................................................................... 25 Figure 2 – Relationship between background sound level and noise limits .................................................... 29  
Page 11 of 47 This document is not a New Zealand Standard. It is a draft version of a revised standard which will be subject to review and editing including possible deletions and additions. Publication for any purpose other than making comment to Standards New Zealand about its contents is prohibited. © STANDARDS NEW ZEALAND