Noise and Vibration Report - Transnet

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ENVIRO-ACOUSTIC RESEARCHSCOPING NOISE REPORT – TRANSNET: SWAZI RAIL LINK – DAVEL YARD TO NERSTON RSA ROUTE9 TERMS OF REFERENCE FOR THE ENVIRONMENTAL NOISEIMPACT PHASE ................................................................................. 419.1 Purpose of the Environmental Noise Impact Assessment ........................ 419.2 Plan of study for environmental noise impact investigation andassessment ............................................................................................... 419.3 Environmental noise impact investigation ............................................. 419.3.1 Sound emission from the identified noise sources ........................................ 419.3.2 Determination of Rating levels .................................................................. 429.3.3 Assessment of the noise impact: No mitigation ........................................... 429.3.4 Assessment of the noise impact: Implementation of mitigation measures....... 429.4 Environmental Noise Impact Report .................................................... 4210 THE AUTHOR ............................................................................... 4411 REFERENCES ............................................................................... 46P a g e | viii
ENVIRO-ACOUSTIC RESEARCHSCOPING NOISE REPORT – TRANSNET: SWAZI RAIL LINK – DAVEL YARD TO NERSTON RSA ROUTELIST OF TABLESpageTable 2-1: IFC Table .7.1-Noise Level Guidelines ...................................................... 14Table 4-1: Potential maximum noise levels generated by construction equipment ......... 21Table 4.2: Potential equivalent noise levels generated by various equipment ............... 23Table 6.1: Acceptable Zone Sound Levels for noise in districts (SANS 10103) .............. 35Table 6.2: Impact Assessment Criteria - Magnitude .................................................. 36Table 6.3: Impact Assessment Criteria - Duration ..................................................... 36Table 6.4: Impact Assessment Criteria – Spatial extent ............................................. 37Table 6.5: Impact Assessment Criteria - Probability .................................................. 37P a g e | ix
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