Wambo Coal AEMR 2011-2012 - Peabody Energy
Wambo Coal AEMR 2011-2012 - Peabody Energy Wambo Coal AEMR 2011-2012 - Peabody Energy
3.3.2 Wambo Coal Rail Spur Noise Noise levels generated by activity associated with the Wambo Coal Rail Spur are shown in Table 3.11 and Table 3.12, where comparison of measured L Aeq(15 minutes) and L A1(1 minute) levels for WCRS is made with relevant noise goals. Table 3.11 L Aeq(15 minute) dB GENERATED BY WCRS AGAINST NOISE CRITERIA - QUARTER 1, 2012 Location Date / Start Time Wind Speed (m/s) VTG 7 ( 0 C/100m) Criterion L Aeq(15 min) dB1 Winter Criterion L Aeq(15 min) dB1 Not winter Criterion Applies? 3 Wambo L Aeq(15 min) dB 4,5 Exceedance N01 03/04/12 12:14 1.6 -1.9 35 35 Y IA Nil N24 03/04/12 13:10 0.7 -1.9 35 35 Y IA Nil N01 12/03/12 01:18 0.6 4.1 41 35 N IA NA N24 12/03/12 02:09 0.9 4.1 41 41 N IA NA 6,8 Notes: 1. Development consent criterion; 2. Monitoring location is within Zone of Affectation. EIS or SEE modelled noise level presented; 3. The noise emission limits identified in the above table apply under meteorological conditions of: - Wind speeds of up to 3 m/s at 10 metres above ground level; or - Temperature inversion conditions of up to 3ºC/100m, and wind speeds of up to 2 m/s at 10 metres above ground level. 4. Estimated or measured L Aeq dB attributed to WCRS; 5. NM denotes WCRS audible but not measurable, IA denotes inaudible; 6. NA in exceedance column means atmospheric conditions outside conditions specified in development consent and so criterion is not applicable; 7. Vertical temperature gradient (VTG) calculated using sigma theta values according to INP procedures; and 8. Bold and red text indicate an exceedance of relevant criterion. 12384_R01.doc Page 19
Table 3.12 L A1(1 minute) dB GENERATED BY WCRS AGAINST NOISE CRITERIA - QUARTER 1, 2012 Location Date / Start Time Wind Speed (m/s) VTG 7 ( 0 C/100m) Criterion L A1(1 min) dB 1 Criterion Applies? 1,3 Wambo L A1(1 min) dB 4,5 Exceedance 6,8 N24 12/03/12 02:09 0.9 4.1 50 N IA NA Notes: 1. Development consent criterion; 2. Monitoring location is within Zone of Affectation, no EIS L A1,1min levels available; 3. The noise emission limits identified in the above table apply under meteorological conditions of: - Wind speeds of up to 3 m/s at 10 metres above ground level; or - Temperature inversion conditions of up to 3ºC/100m, and wind speeds of up to 2 m/s at 10 metres above ground level. 4. Estimated or measured L A1,1min dB attributed to WCM; 5. NM denotes WCM audible but not measurable, IA denotes inaudible; 6. NA in exceedance column means atmospheric conditions outside conditions specified in development consent and so criterion is not applicable, or, there is no applicable criterion; 7. Vertical temperature gradient (VTG) calculated using sigma theta values according to INP procedures; and 8. Bold and red text indicate an exceedance of relevant criterion. 12384_R01.doc Page 20
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- Page 195 and 196: Table of Contents 1 INTRODUCTION...
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- Page 231 and 232: Results The onsite population of A.
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Table 3.12 L A1(1 minute) dB GENERATED BY WCRS AGAINST NOISE CRITERIA - QUARTER 1, <strong>2012</strong><br />
Location Date / Start Time Wind<br />
Speed<br />
(m/s)<br />
VTG 7<br />
( 0 C/100m)<br />
Criterion<br />
L A1(1 min)<br />
dB 1<br />
Criterion<br />
Applies? 1,3<br />
<strong>Wambo</strong><br />
L A1(1 min)<br />
dB 4,5<br />
Exceedance 6,8<br />
N24 12/03/12 02:09 0.9 4.1 50 N IA NA<br />
Notes:<br />
1. Development consent criterion;<br />
2. Monitoring location is within Zone of Affectation, no EIS L A1,1min levels available;<br />
3. The noise emission limits identified in the above table apply under meteorological conditions of:<br />
- Wind speeds of up to 3 m/s at 10 metres above ground level; or<br />
- Temperature inversion conditions of up to 3ºC/100m, and wind speeds of up to 2 m/s at 10 metres above<br />
ground level.<br />
4. Estimated or measured L A1,1min dB attributed to WCM;<br />
5. NM denotes WCM audible but not measurable, IA denotes inaudible;<br />
6. NA in exceedance column means atmospheric conditions outside conditions specified in development consent and<br />
so criterion is not applicable, or, there is no applicable criterion;<br />
7. Vertical temperature gradient (VTG) calculated using sigma theta values according to INP procedures; and<br />
8. Bold and red text indicate an exceedance of relevant criterion.<br />
12384_R01.doc<br />
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