Westminster Open Spaces Noise Study 2008 Final Report

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Westminster Open Spaces Noise Study2008Final ReportIssue NoCurrentStatus02 Final 13/03/09Date Prepared by Reviewed by Approved byShibani Bose&Chris SkinnerStuart Woodin&Alf ManeylawsPaul ShieldsThis document has been prepared in accordance with the scope of Scott Wilson's appointment with its client and is subject tothe terms of that appointment. It is addressed to and for the sole and confidential use and reliance of Scott Wilson's client. ScottWilson accepts no liability for any use of this document other than by its client and only for the purposes for which it wasprepared and provided. No person other than the client may copy (in whole or in part) use or rely on the contents of thisdocument, without the prior written permission of the Company Secretary of Scott Wilson Ltd. Any advice, opinions, orrecommendations within this document should be read and relied upon only in the context of the document as a whole. Thecontents of this document do not provide legal or tax advice or opinion.© Scott Wilson Ltd 2009.Scott Wilson Ltd12 Regan WayChetwynd Business ParkChilwellNottinghamNG9 6RZPhone: +44 (0)115 907 7000Fax: +44 (0)115 907 7001www.scottwilson.com
Westminster Open Spaces NoiseStudy 2008: Final ReportTABLE OF CONTENTSPage No.EXECUTIVE SUMMARY................................................................................................................... I1. INTRODUCTION ...................................................................................................................... 11.1 BACKGROUND..................................................................................................................... 11.2 TRANQUILLITY..................................................................................................................... 11.3 PILLARS OF URBAN TRANQUILLITY – A HYPOTHESIS .............................................................. 22. METHODOLOGY AND DATA PROCESSING......................................................................... 32.1 SITES ................................................................................................................................. 32.2 SURVEY MEASUREMENT METHODOLOGY............................................................................. 32.3 ACOUSTIC MEASUREMENT METHODOLOGY.......................................................................... 42.4 ACOUSTIC MEASUREMENT DATA PROCESSING .................................................................... 42.5 QUESTIONNAIRE ................................................................................................................. 52.6 DATA GATHERING METHOD................................................................................................. 62.7 SAMPLING........................................................................................................................... 82.8 NOTE ON TYPOLOGIES ........................................................................................................ 83. CREATION OF TOOLKITS .................................................................................................... 113.1 TOOLKITS ......................................................................................................................... 113.2 DATA INPUT, ANALYSIS AND WEIGHTING............................................................................ 113.3 USE OF WEIGHTING .......................................................................................................... 123.4 LIMITATIONS OF THE METHOD............................................................................................ 134. USING THE TOOLKIT – ASSESSMENT OF SITES.............................................................. 144.2 TRANQUILLITY CAPTURE FORM ......................................................................................... 144.3 INTERPRETATION OF SCORES............................................................................................ 175. FINDINGS............................................................................................................................... 185.1 FINDINGS FROM ACOUSTICS MEASUREMENTS.................................................................... 185.2 OTHER NOISE INDICATORS................................................................................................ 225.3 COMPARISON WITH NOISE MAPS ........................................................................................ 255.4 FINDINGS FROM ATTITUDINAL SURVEYS............................................................................. 276. DISCUSSION.......................................................................................................................... 307. RECOMMENDATIONS FOR PROTECTION AND ENHANCEMENT.................................... 338. RECOMMENDATIONS AND FURTHER WORK ................................................................... 388.1 PROTECTION (AND CREATION) OF TRANQUIL SPACES......................................................... 388.2 MITIGATION ...................................................................................................................... 388.3 NATURAL SOUNDS ............................................................................................................ 388.4 MAN MADE SOUNDS .......................................................................................................... 398.5 FURTHER WORK ............................................................................................................... 399. CONCLUSIONS ..................................................................................................................... 419.1 DEFINITION OF THE CHARACTERISTICS OF AREAS OF RELATIVE TRANQUILLITY ..................... 419.2 IDENTIFICATION OF AREAS OF RELATIVE TRANQUILLITY IN WESTMINSTER FOR PROTECTIONAND ENHANCEMENT ...................................................................................................................... 4110. ACKNOWLEDGEMENTS................................................................................................... 4311. REFERENCES.................................................................................................................... 44APPENDIX A: RELEVANT ACOUSTIC AND ATTITUDINAL SURVEY TERMINOLOGY ........... 45APPENDIX B: QUESTIONNAIRE USED AT EACH SITE............................................................. 47APPENDIX C: DETAILS OF NOISE MEASUREMENTS AT EACH SITE..................................... 49D121316/R1/02Scott Wilson LtdMarch 2009
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Westminster Open Spaces Noise Study 2008 Final Report

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