Wambo Coal AEMR 2010-2011 - Peabody Energy

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2010-2011 AEMRTable 2.4 – WCPL Waste StatisticsFigure 2.5 Water Reticulation DiagramPage 31
2010-2011 AEMR2.8.1 Water Supply and UseContinuity of water supply to the CHPP, Open Cutand Underground is important for the processing ofcoal and the operation of the mine. During thisreporting period the site water balance for themining activities was recalculated. This waterbalance is presented in Table 2.5.WCPL manages its water supply through a numberof on site water storage dams. The mine routinelyobtains water from the Hunter River Licence(Number 20AL200631), Wollombi Brook Licence(Number 20SL033872), the Wollemi andHomestead goaf areas and from rainfall runoff.WCPL’s annual water catchment generally matchesoperational water requirements for CHPP and OpenCut usage. In 2009-2010, minimal water wasextracted from the Hunter River to supplementextraction via the Wollombi Brook pumps. Waterextracted from Wollombi Brook (and the HunterRiver) is used to supply the fire suppression systemand underground oprerations.2.8.2 Surface Water ManagementTo minimise the potential for water quality impactsfrom mining operations, a network of water storageshas been established to separate the clean water(runoff from undisturbed areas) and dirty water(runoff from disturbed areas). Rainfall runoff fromundisturbed areas is diverted away from miningareas. Runoff from areas disturbed by mining isdiverted into the onsite dams for use across the site.West Cut Dam and Area C Dam have now beendewatered and are now only sumps.The wash down and runoff water from the CHPPand adjacent stockpiles is accumulated insedimentation ponds which feed into the GordonBelow Franklin Dam network. The Gordon BelowFranklin Dam network is designed to slow the flowof the water and encourage the precipitation of finesediment to drop out. The sediment ponds arecleaned out on a regular basis using a variety ofmethods including dredging and truck andexcavator. Water from these dams is returned to theEagles Nest Dam. A new dredging programcommenced in late 2010 to remove excesssediment from the CHPP dam network.Water stored in South Wambo Dam, Chitter Damand Eagles Nest Dam complex is used in the coalwashing process and for dust suppression at theCHPP.Water is pumped to tank fill points in the Open Cutto allow water carts to fill and assist in dustsuppression. Water for this process is pumped fromthe storage dams and the Homestead Pit (North)decant dam.2.8.2.1 Water Balance & ModelingIn March 2010, WCPL completed a detailed reviewof the operations water balance. The water balanceis based on monitoring data from numerous waterflow meters on site and information provided byWCPL technical personnel.In addition, a comprehensive predictive site waterand salt model was finalised in February 2011, inaccordance with recent development consentrequirements. The completed water model includesa predictive accounting system for water and saltbudgets.2.8.2.2 NWC Discharge ReportIn April 2008, the North Wambo Creek (NWC)Diversion Plan was approved by DoPI, DTIRIS andNOW, subject to a number of approval conditions. Inaccordance with the approval conditions for theNWC Diversion Plan, WCPL must prepare andsubmit a flow assessment report after each flowevent down the diversion.In early June 2011, significant rainfall resulted increek flows down South Wambo Creek, StonyCreek and North Wambo Creek, including flowsdown the NWC Diversion. At the time of writing theAEMR, WCPL has engaged a consultant tocommence a flow assessment report of the NWCDiversion in accordance with the approvalconditions for the diversion. The results of the flowassessment report will be provided in the nextAEMR.NWC Diversion Flow Event June 2011Page 32
Page 1: Wambo Coal Pty LimitedAnnual Enviro
Page 4 and 5: 2010-2011 AEMR2.8 Water Management.
Page 6 and 7: 2010-2011 AEMR3.13.1.3 Aboriginal C
Page 8 and 9: 2010-2011 AEMRList of FiguresFigure
Page 10 and 11: List of Appendices2010-2011 AEMRApp
Page 12 and 13: 2010-2011 AEMR1.0 Introduction1.1 S
Page 14 and 15: 2010-2011 AEMRTable 1.0 - Annual Re
Page 16 and 17: JERRYS PLAINS 15kmCOAL & ALLIEDRIVE
Page 18 and 19: 2010-2011 AEMRTable 1.2 - WCPL Mini
Page 20 and 21: 2010-2011 AEMR1.3.3 Environmental P
Page 22 and 23: 5UNITED COLLIERYGOLDENGW16GW17WOMBA
Page 24 and 25: 2010-2011 AEMR1.3.7 Subsidence Mana
Page 26 and 27: 2010-2011 AEMR1.5 Review of 2009-20
Page 28 and 29: 2010-2011 AEMRNo DoPI Issue DoPI Ac
Page 30 and 31: 2010-2011 AEMROpen CutDuring the re
Page 32 and 33: 2010-2011 AEMRTable 2.1 - Productio
Page 34 and 35: 2010-2011 AEMRthe excavators and re
Page 36 and 37: 2010-2011 AEMRFigure 2.3 - Coal Han
Page 38 and 39: 2010-2011 AEMRhydrocarbon spill res
Page 40 and 41: 2010-2011 AEMRTable 2.3 - Stored Wa
Page 44 and 45: 2010-2011 AEMRAs discussed in the l
Page 46 and 47: 2010-2011 AEMR3.0 EnvironmentalMana
Page 48 and 49: 2010-2011 AEMRWambo Coal Weather St
Page 50 and 51: 2010-2011 AEMRFigure 3.5 - 2010-201
Page 52 and 53: 2010-2011 AEMRIn accordance with Co
Page 54 and 55: 2010-2011 AEMRTotal Suspended Parti
Page 56 and 57: 2010-2011 AEMR3.2.2.3 Dust Depositi
Page 58 and 59: 2010-2011 AEMR3.3 Erosion & Sedimen
Page 60 and 61: 2010-2011 AEMRTrigger levels for EC
Page 62 and 63: 2010-2011 AEMRWollombi Brook record
Page 64 and 65: 2010-2011 AEMRNovember and December
Page 66 and 67: GW20GW16 GW17 GW19P1P11P3NORTH WAMB
Page 68 and 69: 2010-2011 AEMRUnited Collieries Pie
Page 70 and 71: 2010-2011 AEMR3.7.2.2 Acacia Specie
Page 72 and 73: V10-A2NORTH WAMBOCREEK DIVERSIONV10
Page 74 and 75: 2010-2011 AEMR3.8 Weeds3.8.1 Enviro
Page 76 and 77: 2010-2011 AEMR1252010 - 2011 AEMR B
Page 78 and 79: 2010-2011 AEMRDayL Aeq(15 minute)Ta
Page 80 and 81: 2010-2011 AEMRAttended Noise Monito
Page 82 and 83: WARNINGNo part of this plan should
Page 84 and 85: 2010-2011 AEMRGain advice on most s
Page 86 and 87: 2010-2011 AEMRWith the commencement
Page 88 and 89: 2010-2011 AEMRfive complaints recor
Page 90 and 91: 2010-2011 AEMRNo. of complaints1098
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2010-2011 AEMRSingleton Public Scho
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2010-2011 AEMRTable 5.2 - Maintenan
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2010-2011 AEMRNETD Rehabilitation w
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2010-2011 AEMRtransects had a simil
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Appendix 1Rail Haulage Records
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Wambo Coal Pty Ltd2010-2011 AEMRTon
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Appendix 2Environmental MonitoringP
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Annual Environmental Management Rep
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Wambo Coal Pty Ltd2010 - 2011 AEMRL
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876543210Annual Environmental Manag
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Wambo Coal Pty Ltd2010-2011 AEMRDat
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Wambo Coal Pty Limited2010-2011 AEM
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FM8 - Cross Section - 21 June 20113
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FM6 - Cross Section 21 June 201143.
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FM4 - Cross Section 21 June 201110.
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FM2 - Cross Section 21 July 201143.
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HYDROGRAPHIC STATIONFM9 - SOUTH WAM
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HYDROGRAPHIC STATIONFM7 - Stony Cre
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HYDROGRAPHIC STATIONFM5 - South Wam
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HYDROGRAPHIC STATIONFM3 - Lower Wam
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HYDROGRAPHIC STATIONFM1 - Upper Wam
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10.09.08.07.06.05.0Annual Environme
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Wambo Coal MineAnnual Report_______
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EXECUTIVE SUMMARYGlobal Acoustics w
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Table of Contents1 INTRODUCTION....
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The survey purpose is to quantify a
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1.3 TerminologySome definitions of
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1.5 Wambo Coal Rail Spur Developmen
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2 METHODOLOGY2.1 Assessment Method2
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Table 3.2 L A1(1 minute) dB GENERAT
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Table 3.10L A1(1 minute) dB GENERAT
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Table 3.12 L A1(1 minute) dB GENERA
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4 SUMMARY OF COMPLIANCE4.1 SummaryN
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DayEvening/NightNightLand NumberL A
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A.2 Wambo Rail Spur Development Con
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compliance with the LAeq(15 minute)
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2010 Annual EcologicalMonitoring Re
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Executive SummaryRPS Australia East
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ContentsEXECUTIVE SUMMARYI1 INTRODU
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1 IntroductionRPS Australia East (R
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1.2 Qualifications and Licensing1.2
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Figure 2-1: Locations of Flora Moni
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• In 2007 all quadrats recorded i
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2.3 Discussion2.3.1 Species Diversi
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species specific herbicide), no con
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3 FaunaFive types of targeted surve
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Bird survey locations are not marke
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Figure 3-2: Threatened Species Loca
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Species Abundance in 2010The number
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• Observer bias. Likely variation
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Common Brushtail Possum was identif
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• Understorey characteristics;•
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Figure 4-2: Riparian Section Condit
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Sections• A relatively high numbe
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4.4 RecommendationsImplementation o
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Appendix 3Summary ofEnvironmental I
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Appendix 4Register of CommunityComp
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NoDate & TimeReceivedNature of Comp
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Appendix 5Rehabilitation Plan
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aemcWambo Coal Mine, Rail Loop and
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