Noise and Vibration Report - Transnet

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ENVIRO-ACOUSTIC RESEARCHSCOPING NOISE REPORT – TRANSNET: SWAZI RAIL LINK – DAVEL YARD TO NERSTON RSA ROUTETABLE OF CONTENTSEXECUTIVE SUMMARY ........................................................................ iiTABLE OF CONTENTS ......................................................................... viLIST OF TABLES ................................................................................ ixLIST OF FIGURES ............................................................................... xGLOSSARY OF ABBREVIATIONS ........................................................ xi1 INTRODUCTION ............................................................................. 11.1 Introduction and Purpose ..................................................................... 11.2 Brief Project Description....................................................................... 11.3 Project Location .................................................................................. 51.4 Study area ......................................................................................... 51.4.1 Topography ............................................................................................. 51.4.2 Surrounding Land Use .............................................................................. 51.4.3 Roads and rail roads ................................................................................. 51.4.4 Ground conditions and vegetation .............................................................. 51.4.5 Other noise sources .................................................................................. 51.4.6 Residential areas ...................................................................................... 61.4.7 Existing Background Ambient Sound Levels ................................................. 61.5 Terms of Reference ............................................................................. 61.6 Potential sensitive receptors (Noise Sensitive Developments) ................... 72 LEGAL CONTEXT, POLICIES AND GUIDELINES ............................... 92.1 The Republic of South Africa Constitution Act (“the Constitution”) ............. 92.2 The Environment Conservation Act ........................................................ 92.2.1 Noise Control Regulations ......................................................................... 92.3 The National Environmental Management Act ....................................... 102.4 National Environmental Management: Air Quality Act (“AQA”) ................ 102.4.1 Model Air Quality Management By-law for adoption and adaptation byMunicipalities .......................................................................................... 112.5 Noise Standards ................................................................................ 112.6 International Guidelines – Noise Control .............................................. 122.6.1 Guidelines for Community Noise (WHO, 1999) ............................................ 12pageP a g e | vi
ENVIRO-ACOUSTIC RESEARCHSCOPING NOISE REPORT – TRANSNET: SWAZI RAIL LINK – DAVEL YARD TO NERSTON RSA ROUTE2.6.2 Night Noise Guidelines for Europe (WHO, 2009) .......................................... 122.6.3 Equator Principles ................................................................................... 132.6.4 IFC: General EHS Guidelines – Environmental Noise Management ................. 132.7 International Guidelines – Standards for Noise from Railways ................. 153 EXISTING ENVIRONMENTAL SOUND CHARACTER ........................ 173.1 Measurement Procedure .................................................................... 173.2 Limitations: Acoustical Measurements and Assessments ........................ 174 POTENTIAL NOISE SOURCES ....................................................... 194.1 Potential Noise Sources: Construction Phase ........................................ 194.1.1 Construction equipment ........................................................................... 194.1.2 Material and Equipment supply ................................................................. 204.1.3 Blasting ................................................................................................. 204.2 Potential Noise Sources: Operational Phase .......................................... 245 METHODOLOGY: CALCULATION OF FUTURE NOISE EMISSIONSDUE TO PROPOSED PROJECT ............................................................ 285.1 Noise emissions into the surrounding Environment ................................ 286 METHODOLOGY: NOISE IMPACT ASSESSMENT ANDSIGNIFICANCE ................................................................................. 306.1 Noise Impact on Animals.................................................................... 306.2 Why noise concerns communities ........................................................ 316.2.1 Annoyance associated with Industrial Activities ........................................... 316.3 Impact Assessment Criteria ................................................................ 336.3.1 Overview: The common characteristics ...................................................... 336.3.2 Noise criteria of concern .......................................................................... 336.3.3 Determining the Significance of the Noise Impact ........................................ 356.3.4 Identifying the Potential Impacts without Mitigation Measures (WOM)............ 376.3.5 Identifying the Potential Impacts with Mitigation Measures (WM) .................. 387 RESULTS AND PRELIMINARY IMPACT ASSESSMENT .................... 397.1 Construction phase ........................................................................... 397.2 Operational Phase: Estimated Impact and Important Concepts ............... 398 CONCLUSIONS and RECOMMENDATIONS .................................... 40P a g e | vii
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