Wambo Coal AEMR 2011-2012 - Peabody Energy

2011-2012 AEMR
WCPL’s development consent specifies that blasts
within 2 km of the Wambo Homestead need to be
monitored.
monitor). The highest recorded vibration result at
BM01 was 4.07mm on the 16/12/2011.
Any recorded overpressures at the Wambo
Homestead blast monitor, that exceed the EPL
blasting criteria of 115dB and 120dB are not
considered a non-compliance because the property
is owned by the mine.
There were no vibration results greater than 5
mm/second at any of the monitoring sites during the
reporting period (except results from the Homestead
125
2011-2012 AEMR Blast Results for WCPL
5.0
100
4.0
Overpressure Result (dB(L))
75
50
25
3.0
2.0
1.0
Vibration (mm/s)
0
08/07/11
15/07/11
22/07/11
29/07/11
05/08/11
12/08/11
19/08/11
26/08/11
02/09/11
09/09/11
16/09/11
23/09/11
30/09/11
07/10/11
14/10/11
21/10/11
28/10/11
04/11/11
11/11/11
18/11/11
25/11/11
02/12/11
09/12/11
16/12/11
23/12/11
30/12/11
06/01/12
13/01/12
20/01/12
27/01/12
03/02/12
10/02/12
17/02/12
24/02/12
02/03/12
09/03/12
16/03/12
23/03/12
30/03/12
06/04/12
13/04/12
20/04/12
27/04/12
04/05/12
11/05/12
18/05/12
25/05/12
01/06/12
08/06/12
15/06/12
22/06/12
29/06/12
0.0
Overpressure Limit Homestead Overpressure Kelly Overpressure Harris Overpressure Muller Overpressure
Kelly Vibration Vibration Limit Homestead Vibration Harris Vibration Muller Vibration
Date
Figure 3.20 – 2011-2012 Blast Monitoring Results
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