Appendix J - Peabody Energy

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Table 9 Operator-Attended Intrusive Colliery Noise Levels (dBA re 20 μPa) ID Location Operation Intrusive LAeq(15minute) 13, 22 November 07 (Spring Calm) O2 2 Oxley Place Plant 49, 50 (no truck haulage) P53 53 Parkes Street Plant 50, 50 47, 49 MC1 Mine Manager’s Cottage Plant 55, 56 - Intrusive LAeq(15minute) 26 March 08 (Autumn N Wind) 55, 56 An unattended noise logger was also located at the Mine Manager’s Cottage (MC1) and the on site weather conditions were analysed on a daily basis in accordance with the requirements of the INP to derive the noise levels presented in Table 10. Table 10 Unattended Logger Ambient Noise Levels (dBA re 20 μPa) ID Location MC1 Manager’s Cottage Note 1: Note 2: Measured RBL 1 All Noise Sources Measured LAeq(period) 2 All Noise Sources Estimated LAeq(period) 2 Industrial Noise Only Day Evening Night Day Evening Night Day Evening Night 51 53 52 56 58 53 55 54 53 Rating Background Level. Daytime 0700 hours to 1800 hours, Evening 1800 hours to 2200 hours, Night-time 2200 hours to 0700 hours. 4.3 Background Noise for the Purpose of Noise Impact Assessment The measured background and amenity levels from Section 4.1 have been distilled into single representative RBLs and industrial amenity levels for each receiver area as presented Table 11. Table 11 Background and Industrial Amenity Noise for Assessment (dBA re 20 μPa) INP Noise Amenity Zone Receiver Area Background LA90(15minute) All Noise Sources Estimated LAeq(period) 2 Industrial Noise Only Day Evening Night Day Evening Night Near Project Boundary Suburban O16 Oxley Pl 42 36 34
4.4 Ambient Traffic Noise Monitoring Inclusive of the Metropolitan Colliery March 2007 An ambient traffic noise monitoring programme was conducted in March 2007 to quantify ambient noise levels (ie all noise sources) and to estimate traffic noise only (ie total existing vehicles) at three representative residential locations along the existing off-site haulage route. The measurement methodology and analysis procedures are described in Appendix G1. The unattended noise logger data from each monitoring location and the on-site weather conditions were analysed on a daily basis and presented graphically as statistical 24-hour ambient noise profiles in Appendix G2. The ambient traffic noise data were then processed in accordance with the requirements of the ERTNC Policy to derive the daytime, night-time and peak hourly levels as presented in Table 12, normalised to 30m and 15m offset and facade corrected by 2.5 dBA. Table 12 Unattended Traffic Noise Logger Results March 2007 (dBA re 20 µPa) ID Location Offset Distance to Road L171 171 Lawrence Hargrave Dr Daytime 1 LAeq(15hour) Night 1 LAeq(9hour) Night-time Peak LAeq(1hour) Morning Peak LAeq(1hour) 30 m 66 59 63 66 66 P170 170 Parkes St 15 m 64 59 63 66 64 P83 83 Parkes St 15 m 65 57 64 67 65 Note 1: Daytime/evening 0700 hours to 2200 hours, Night-time 2200 hours to 0700 hours. Afternoon Peak LAeq(1hour) The existing and Project-related traffic noise levels are assessed in accordance with the ECRTN in Section 11. 4.5 Residents Noise Complaints Summary The Metropolitan Colliery maintains a complaints register as part of its environmental management and community relations protocol. A listing of noise related complaints are presented in Appendix E1 and summarised as follows: • During 2005 and 2006, community noise concerns generally related to on-site fixed plant noise emissions (three and six noise complaints respectively). • During 2007, community noise concerns generally related off-site truck transport noise (two noise complaints). 5 NOISE ASSESSMENT CRITERIA AND METHODOLOGY 5.1 Construction Assessment Criteria The assessment of impact from on-site construction works remains according to the EPA’s ENCM (1994) Chapter 171 Noise Control Guideline - Construction Site Noise (Appendix H). The ENCM provides noise limits for construction periods of up to 26 weeks. As the duration of the construction works is greater than 26 weeks, the EPA suggests that the construction noise emission should generally not exceed the background level by more than 5 dBA. As the Project construction activities would extend over approximately 5 years, construction noise has been assessed by incorporation in the Year 3 operational scenario (Sections 8 and 9). Heggies Pty Ltd Report Number 10-5055-R1 Revision 0 Metropolitan Coal Project Noise Impact Assessment Helensburgh Coal Pty Ltd (10-5055R1) 31 July 2008 Page 13
Page 1 and 2: APPENDIX J METROPOLITAN COAL PROJEC
Page 3 and 4: Metropolitan Coal Project Noise Imp
Page 5 and 6: TABLE OF CONTENTS 11 OFF-SITE TRANS
Page 7 and 8: 1 INTRODUCTION 1.1 Assessment Requi
Page 9 and 10: • HCPL to implement a continuous
Page 11 and 12: Table 2 Current and Proposed Hours
Page 13 and 14: Table 3 Nearest Potentially Affecte
Page 15 and 16: Table 5 Atmospheric Stability Frequ
Page 17: Table 8 Unattended Background Noise
Page 21 and 22: Ideally, the intrusive noise emissi
Page 23 and 24: 5.4 Noise Impact Assessment Methodo
Page 25 and 26: Table 16 Fixed Plant Noise Audit -
Page 27 and 28: 6.5 Project Noise Model Scenarios T
Page 29 and 30: The PRP 12 Study concluded that whi
Page 31 and 32: 7.6 Continuous Noise Improvement Pr
Page 33 and 34: Existing Metropolitan Colliery Nois
Page 45 and 46: Table 27 Predicted Distance Require
Page 47 and 48: Table 31 Peak Hourly Existing and P
Page 49 and 50: Table 34 Midweek Existing and Cumul
Page 51 and 52: Table 38 Predicted Train Generated
Page 53 and 54: • Negligible noise level increase
Page 55 and 56: HCPL would implement a range of noi
Page 57 and 58: Similarly, ground vibration levels
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Appendix H Report 10-5055-R1 Page 1
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Appendix J - Peabody Energy

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