Caval Ridge Environmental Impact Statement Supplementary …eisdocs.dsdip.qld.gov.au/Bowen Basin Coal Growth Proj 2... · 2014. 4. 15. · j:\jobs\42626420\5 works\flood analysis\7.5

$Page 1: Caval Ridge Environmental Impact Statement Supplementary …eisdocs.dsdip.qld.gov.au/Bowen Basin Coal Growth Proj 2... · 2014. 4. 15. · j:\jobs\42626420\5 works\flood analysis\7.5$
Report

Caval Ridge Environmental Impact Statement Supplementary Flood Modelling

30 OCTOBER 2009

Prepared for

BHP Billiton Mitsubishi Alliance Level 33 Riparian Plaza 71 Eagle Street Brisbane QLD 4001

42626420

j:\jobs\42626420\5 works\flood analysis\7.5 rorb\rorb files1\report\caval ridge environmental impact statement supplementary flood modelling_final.doc

Project Manager:

Julian Long Principal

Project Director:

Chris Pigott Senior Principal

Author:

Vadivu Verakumaran Senior Water Engineer

URS Australia Pty Ltd

Level 16, 240 Queen Street Brisbane, QLD 4000 GPO Box 302, QLD 4001 AustraliaT: 61 7 3243 2111 F: 61 7 3243 2199

Reviewer:

Saul Martinez Principal Water Engineer

Date:Reference: Status:

30 October 200942626420/01/01

Document copyright of URS Australia Pty Limited.

This report is submitted on the basis that it remains commercial-in-confidence. The contents of this report are and remain the intellectual property of URS and are not to be provided or disclosed to third parties without the prior written consent of URS. No use of the contents, concepts, designs, drawings, specifications, plans etc. included in this report is permitted unless and until they are the subject of a written contract between URS Australia and the addressee of this report. URS Australia accepts no liability of any kind for any unauthorised use of the contents of this report and URS reserves the right to seek compensation for any such unauthorised use.

Document delivery

URS Australia provides this document in either printed format, electronic format or both. URS considers the printed version to be binding. The electronic format is provided for the client’s convenience and URS requests that the client ensures the integrity of this electronic information is maintained. Storage of this electronic information should at a minimum comply with the requirements of the Commonwealth Electronic Transactions Act (ETA) 2000.

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Table of Contents

1 Introduction .......................................................................................................1

1.1 Background ........................................................................................................1

2 Hydrology ..........................................................................................................2

2.1 RORB ..................................................................................................................2

2.2 Input Parameters................................................................................................2 2.2.1 Rainfall Losses.................................................................................................................2 2.2.2 Catchment Lag Coefficient- kc .......................................................................................2

2.3 Design Temporal Distribution...........................................................................3

2.4 Peak Flow Adoptions.........................................................................................3

2.5 Results Verification ...........................................................................................4

3 Hydraulics..........................................................................................................5

3.1 Hydraulic Modelling Objectives........................................................................5

3.2 Hydraulic Model Selection ................................................................................5

3.3 Model build .........................................................................................................5

3.3.1 Description of Geometry Data ........................................................................................5 3.3.2 Hydraulic structures ........................................................................................................5 3.3.3 Roughness Values...........................................................................................................6 3.3.4 Steady Flow Data and Boundary Conditions................................................................6

4 References.......................................................................................................15

5 Limitations.......................................................................................................16

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Tables Table 2-1 Rainfall loss values ........................................................................................................... 2 Table 2-2 Parameter kc..................................................................................................................... 3 Table 2-3 Caval Creek Diversion - RORB Peak FlowsCaval Creek Diversion - RORB Peak Flows 3 Table 2-4 Horse Creek Diversion - RORB Peak Flows .................................................................... 4 Table 2-5 Comparison Between RORB and Rational Method.......................................................... 4 Table 3-1 Manning's N Values .......................................................................................................... 6 Table 3-2 Horse Ck ......................................................................................................................... 13 Table 3-3 Caval Ck.......................................................................................................................... 13 Table 3-4 Cherwell Ck..................................................................................................................... 14

Appendices Appendix A Figures Appendix B Tables Appendix C Hydrologic Modelling

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1

1 Introduction

This report has been prepared as part of the Supplementary EIS to provide additional information on flood inundation of the project during extreme events. This report builds on information provided in the flood assessment provided in Section 6 and Appendices I2 and I4 of the EIS and its purpose is to:

• Address comments that were raised in government agency submissions on the EIS

1.1 Background The flood assessment provided in the Caval Ridge EIS considered inundation that would likely occur for up to a 1 in 100 year ARI event for the existing case i.e. no future development was modelled. Submissions were received from DERM regarding the flood inundation potential during extreme events. Specifically the following submissions were received:

• “For the operational phase, the EIS should provide a detailed assessment of the effects of inundation of the proposed project site from at least 1 in 500 year ARI event.”

• “The EIS should include conceptual designs for the pits and levees, and more detailed consideration of flood immunity at the impacted site. It should provide commitments in the Draft EM plan to demonstrate that mitigation of potential environmental impacts will be delivered to an acceptable standard during the operational mine life, and for the foreseeable future after decommissioning and rehabilitation”.

In order to address these comments additional flood modelling and assessment has been undertaken for events up to a 1 in 3000 AEP for the 30 year mine operational phase. The results of this assessment are presented in this report.

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2

2 Hydrology

2.1 RORB RORB Vers.6 was used to derive peak flows for the developed case for 1 in 500, 1000, 2000 and 3000 AEP events. More specifically RORB was used to derive peak flows for input into a hydraulic model which determines the depth and spatial extents of flooding and other hydraulic parameters for design of flood protection levees.

The RORB model is considered to be superior to a Flood Frequency Analysis (FFA) due to its ability to route hydrographs through an extensive network and attenuate flow. Furthermore, extensive RORB modelling has been undertaken on a regional scale (by Sargent Consulting) which provides a source for determining catchment response to rainfall.

Due to the extents of hydraulic modelling two RORB models were constructed; Horse Creek Diversion and Caval Creek Diversion. The extents of catchment delineation for these models are illustrated in Appendix A.

2.2 Input Parameters

2.2.1 Rainfall Losses RORB includes a loss model to account for rainfall losses, allowing for an initial loss followed by continual loss. The loss parameters were derived from AR&R (1998) - Book IV Estimation of Large and Extreme Floods and as shown in Table 2-1 Rainfall loss values The process followed for the derivation of loss parameters is provided in Appendix C.

Table 2-1 Rainfall loss values

ARI (Years) Initial Loss (mm) Continuous Loss(mm/hr)

500 5 2.0

1000 4 1.5

2000 3 1.0

3000 2.6 1.0

2.2.2 Catchment Lag Coefficient- kc The catchment lag coefficient, kc, is the principal calibration tool for RORB models. In the absence of regional stream gauge data with which to calibrate the models, kc scaling relationships were derived from a RORB model constructed by Sargent Consulting and documented in the Isaac River Cumulative Impact Assessment report (Alluvium 2008). This process is detailed in Appendix C and the derived kc values are provided in Table 2-2. It should be noted that different kc values were derived for each models due to the large proportional difference in catchment size.

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Table 2-2 Parameter kc

Catchment Kc Value

Horse Creek Diversion 5.16 Caval Creek Diversion 22

2.3 Design Temporal Distribution Temporal pattern distributions for each model were derived using pluviograph traces recorded for major Australian storms as referenced from the Estimation of Probable Maximum Precipitation in Australia- Generalised Short Duration method, Figure 5, Section 4. The graph used to derive the pluviograophs for RORB input is provided in Appendix C.

2.4 Peak Flow Adoptions Peak flow RORB outputs as adopted for the hydraulic modelling are presented in Table 2-2 and Table 2-3. Smaller catchments (such as the Horse Creek diversion catchment) had a critical storm duration of 1hr while larger catchments (such as the Cherwell Creek catchment) had a critical storm duration of 3hrs. In order to provide consistency of boundary conditions within the hydraulic models a single critical storm duration was required. This was calculated by identifying locations regional to the areas of interest and applying the critical storm duration for these locations to all contributing catchments. These locations were determined to be the downstream extent of the Horse Creek catchment and the confluence between Caval and Cherwell Creeks for Horse Creek Diversion and Caval Creek Diversion models respectively.

Table 2-3 Caval Creek Diversion - RORB Peak FlowsCaval Creek Diversion - RORB Peak Flows

Caval Creek Diversion

Flow (3hrCSD)(m3/s) Description

500 1000 2000 3000

Caval Creek Inflow 220 250 282 293 Caval Diversion 168 190 214 223

Cherwell Creek Inflow 2568 2958 3378 3525 Nine Mile Creek Inflow 861 981 1111 1157

Cherwell Nine Mile Confluence 3325 3826 4368 4560 Cherwell Caval Confluence 3454 4000 4587 4795

Cherwell Harrow Confluence 5086 5913 6809 7119

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Table 2-4 Horse Creek Diversion - RORB Peak Flows

Horse Creek Diversion

Flow (1hrCSD) )(m3/s) Description

500 1000 2000 3000

Horse Creek Inflow 931 1076 1235 1323

2.5 Results Verification The Rational Method was used to verify peak flow outputs from the Horse Creek Diversion RORB model. This was done in order to verify the kc value used for smaller catchments since the scaling relationships were derived from much larger catchments. Assumptions and formula’s used in the calculation are detailed in Appendix C.

Table 2-5 Comparison Between RORB and Rational Method

Peak Flows (m3/s)

1 in 500 AEP 1 in 1000 AEP 1 in 2000 AEP 1 in 3000 AEP

Rorb Model

RM RORB RM RORB RM RORB RM RORB

Horse Creek 1020 931 1135 1076 1255 1234 1326 1323

NOTE : RM = Rational Method

The results in Table 2.5 show that there is a good correlation between the RORB outputs and the Rational Method particular for the 1 in 2000 and 1 in 3000 AEP events.

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3

3 Hydraulics

3.1 Hydraulic Modelling Objectives The objective of the hydraulic modelling was to assess the potential for inundation of Heyford and Horse pits for the 30 year operational phase of the mine during extreme events.

3.2 Hydraulic Model Selection HEC-RAS was selected due to its ability to calculate water surface profiles for steady gradually varied flow. The steady flow component of HEC-RAS if run in mixed flow mode is capable of calculating subcritical and supercritical flow in which this project is modelled. Some other attributes which make HEC-RAS suitable for the pit inundation hydraulic analysis are:

• HEC-RAS utilises one-dimensional energy equations

o Energy losses are evaluated by friction (Manning’s equation) and contraction/expansion (coefficient multiplied by the change in velocity head)

• HEC-RAS utilises momentum equations in situations where the water surface profile varies rapidly i.e. river confluences (stream junctions) and hydraulic structures

• HEC-RAS is capable of modelling a large network of streams • Results can be exported and flood inundation determined for each return period • Flow changes can be added at any cross section chainage

3.3 Model build Two HEC-RAS models were constructed for the study; Horse Creek Diversion and Caval Creek Diversion. The Horse Creek Diversion model was used to assess inundation of Horse pit whereas the Caval Creek Diversion model was used to assess inundation of Heyford pit, Caval Creek diversion and mine infrastructure. Levees were included within the models to avoid pit inundation and to determine the required levee heights for conceptual design.

3.3.1 Description of Geometry Data Figures 1 and 2 illustrate the HEC-RAS geometry schematic for Horse Creek Diversion and Caval Creek Diversion models respectively. The HEC-RAS geometry files were created using 12d software, which is a 3D terrain and design model capable of constructing HEC-RAS projects. Figure 3 shows an aerial photo of the existing surface, 30 year operational phase pit extents and mine plant included in the developed topography, and the HEC-RAS cross sections and river strings used to create the models.

3.3.2 Hydraulic structures

Hydraulic structures were incorporated within the Caval Creek Diversion model at five locations as described below.

Caval Ck Crossing Haul Rd (Caval Ck - Ch 6940)

• 3 circular concrete pipe culvert barrels • 1.8m diameter

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Peak Downs Highway Crossing (Caval Ck – Ch 4770)

• 4 circular concrete pipe culverts • 2.1m diameter

Caval Creek Crossing (Caval Ck – Ch 4644)

• 4 circular concrete pipe culvert barrels • 1.8m diameter

Cherwell Creek Crossing (Cherwell Ck – Ch 20694)

• 7 box concrete barrels • 1.8m rise; 2.1m span

Nine Mile Creek Crossing (Nine Mile Ck – Ch 1340)

• 4 box concrete barrels • 1.8m rise; 2.1m span

The length and invert levels of the culverts were assumed for modelling purposes based on the proposed design and existing information available to URS.

3.3.3 Roughness Values Manning’s roughness values were assigned to the left overbank, right overbank and main channel for each cross section. The roughness values were estimated from aerial photograph taking into account the proposed mine infrastructure as referenced in AR&R Vol 1 (1987). The adopted roughness values are shown in Table 3.1 below.

Table 3-1 Manning's N Values

Manning’s N Values Drainage Feature

Left Overbank Channel Right Overbank

Cherwell Creek 0.07 (Natural Ground) 0.045 0.07 (Natural Ground)

Caval Creek 0.07 (Natural Ground) 0.045 0.07 (Natural Ground)

Horse Creek 0.07 (Natural Ground) 0.045 0.07 (Natural Ground)

Mine Infratructure 0.035 0.045 0.035

3.3.4 Steady Flow Data and Boundary Conditions Steady flow data was derived from RORB modelling conducted for this assessment. Both HEC RAS models were run for mixed flow conditions. As a conservative measure peak flows at the downstream end of each river reach were input as the upstream boundary condition.

3 Hydraulics

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The Horse Creek Diversion downstream boundary was input as a known water level. This is because the model terminates at a dam just upstream of the confluence with Grosvenor Creek. The spillway invert was used as the water surface elevation under the conservative assumption that the dam was full at EL 219.8m AHD. The downstream boundary for the Caval Creek HEC RAS model was defined as the junction at creek confluences-

• Nine Mile Ck and Cherwell Ck confluence

and

• Caval Ck and Cherwell Ck confluence)

The downstream boundary of Cherwell Ck (Downstream of Ch 15580) was defined as normal depth.

3 Hydraulics

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Figure 1

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Figure 2

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Figure 3

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The flood inundation levels from the HEC RAS modelling software are shown in Figure_Appendix 2,3,4 and 5 in Appendix A for 500, 1000, 2000, and 3000 AEP events. These inundation levels are based on levees being present for both the Heyford and Horse pits such that pit inundation does not occur during the AEP 3000 event.

It should be noted that the hydraulic modelling identified three critical locations in the designed and natural channels where there is a potential for erosion and engineered protection may be required. These locations are:

• Horse creek diversion just upstream of its confluence with the natural channel (Ch 1848). • Caval creek diversion downstream of the proposed culvert under the haul road to its confluence

with the natural drainage channel at chainage 2344 • Cherwell Creek at chainage 16409

The table below outlines the flow velocities and chainages at these critical locations for the Horse and Caval Ck Hydraulic models for each design event.

Table 3-2 Horse Ck

Design Event Chainage Average

Velocity (m/s)

Minimum Velocity

(m/s)

Maximum Velocity

(m/s)

ARI 3000 10479-1848 3.38 1.27 6.1 ARI 2000 10479-1848 3.36 1.29 5.91 ARI 1000 10479-1848 3.27 1.3 5.59 ARI 500 10479-1848 3.17 1.35 5.24

Table 3-3 Caval Ck


Velocity (m/s)

Minimum Velocity

(m/s)

Maximum Velocity

(m/s)

ARI 3000 6867- 2344 1.56 0.09 4.53 ARI 2000 6867- 2344 1.57 0.09 4.74 ARI 1000 6867- 2344 1.57 0.08 5.21 ARI 500 6867- 2344 1.48 0.06 4.02

3 Hydraulics

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Table 3-4 Cherwell Ck


Velocity (m/s)

Minimum Velocity

(m/s)

Maximum Velocity

(m/s)

ARI 3000 20582- 16409 3.17 1.42 5.58 ARI 2000 20582- 16409 3.12 1.36 5.43 ARI 1000 20582- 16409 3.01 1.34 5.03 ARI 500 20582- 16409 2.91 1.32 4.65

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4

4 References

Alluvium Isaac River Cumulative Impact Assessment (2008) S Lovejoy, D Sargent

Institution of Engineers, Australia (1998) Extracted from Australian Rainfall and Runoff: Book 1V Estimation of Large and Extreme Floods R J Nathan and P E Weinmann

Institution of Engineers, Australia (1987) Australian Rainfall and Runoff: Book A Guide To Flood Estimation Vol 1 Editor in Chief D.H Pilgram Revised Edition 1987 Reprinted Edition 1998 Barton ACT

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5

5 Limitations

URS Australia Pty Ltd (URS) has prepared this report in accordance with the usual care and thoroughness of the consulting profession for the use of BMA and only those third parties who have been authorised in writing by URS to rely on the report. It is based on generally accepted practices and standards at the time it was prepared. No other warranty, expressed or implied, is made as to the professional advice included in this report. It is prepared in accordance with the scope of work and for the purpose outlined in the Proposal dated 15 September 2009. The work has been undertaken using operational infrastructure details and locations provided by BMA.

The methodology adopted and sources of information used by URS are outlined in this report. URS has made no independent verification of this information beyond the agreed scope of works and URS assumes no responsibility for any inaccuracies or omissions. No indications were found during our investigations that information contained in this report as provided to URS was false.

This report was prepared between 21 September and 27 October 2009 and is based on the conditions encountered and information reviewed at the time of preparation. URS disclaims responsibility for any changes that may have occurred after this time.

This report should be read in full. No responsibility is accepted for use of any part of this report in any other context or for any other purpose or by third parties. This report does not purport to give legal advice. Legal advice can only be given by qualified legal practitioners.

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A

Appendix A Figures

Grosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor CkGrosvenor Ck

Horse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck DiversionHorse Ck Diversion

Horse Pit

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Cherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell CkCherwell Ck

Heyford PitCherwell Creek/Nine MileCreek Confluence

Cherwell CreekInflow

Nine Mile CreekInflow

Caval DiversionInflow

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Horse CreekInflow

Cherwell Creek/CavalConfluence

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Datum: GDA94, Z55

Figure:

CAVAL RIDGE PROJECTENVIRONMENTAL IMPACT STATEMENT

SUPPLEMENTFLOOD ASSESSMENT

42626420

RORB SUBCATCHMENT

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Please refer to Tables 2.3 and 2.4 for reference, in the Caval Ridge EIS - Supplement Flood Modelling Report

Hydraulic Model


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Heyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford PitHeyford Pit

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Dysart - Moranbah Rd

















































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Moranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah AirportMoranbah Airport

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MoranbahCaval Ck

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Horse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse PitHorse Pit

Caval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek DiversionCaval Creek Diversion

7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N7555000N


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390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390

415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415

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219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9

259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4259.4

256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5256.5

254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7254.7

252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5252.5

250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4250.4

246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7246.7

236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4236.4

233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4233.4

231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6

229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7

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222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2222.2

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237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3237.3238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5238.5

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234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6

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229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1229.1

227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2227.2

224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1224.1

219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3

219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219219217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9

213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3

212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1212.1

211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8211.8

207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207.207207207207207207207207207207207207207207207207207207207207207207207207207207207207

210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9210.9

212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5

217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9217.9

218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5

229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2229.2

233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8232.8

229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3229.3

249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3249.3

251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3251.3247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7

218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3218.3

209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209209

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9 235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4235.4

231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2

243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7

234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6

215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4215.4

209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8209.8

Figure:

AEP 500 FLOOD EXTENTS

Rev:CApproved:

File No: A442626158-g-1519c.worAppendix 2

Client Project

Job No:

Date:Drawn:

This

dra

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g is

sub

ject

to C

OP

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IGH

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rem

ains

the

prop

erty

of U

RS

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Pty

Ltd

.

VH

Title

Project Site

Source: BMA Supplied Data

0 1.25

Scale

2.5km

Datum: AGD84, AMG Zone 55

Scale 1:90 000 (A4)

4262 6420

29-10-2009PS



AEP 500 Flood Extent

/6158

Proposed Mine Infrastructure

Stream Centre Line

Open Cut Pit Spot Heights

Dam


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Moranbah

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MoranbahCaval Ck

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208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0

257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0

247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2

232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0

222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5

220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0

390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390

415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145

208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7208.7

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0

237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6237.6

241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8241.8

238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8238.8

237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4237.4

235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1235.1

234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6 231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2

229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5229.5

227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6227.6

224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6224.6

218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7218.7 218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4218.4

215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8215.8

212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9

211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3211.3

209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5

209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1209.1

212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2212.2

212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5212.5

213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3213.3

218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5218.5219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4

219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7219.7

226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1226.1229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5249.5

247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5235.5

233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9232.9

234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6234.6

229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7229.7

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0257.0

247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2247.2

232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0232.0

222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5222.5

220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0220.0

219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9

220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7220.7

225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4225.4228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3228.3

230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1

231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6231.6

233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6233.6

236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5236.5

246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8246.8

250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7250.7

252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7252.7

255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1255.1

259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5259.5

243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7

Figure:


Rev:CApproved:


Client Project

Job No:

Date:Drawn:

This

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Title Source: BMA Supplied Data

0 1.25

Scale

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Scale 1:90 000 (A4)

4262 6420

29-10-2009PS



/6158

Project Site



Stream Centre Line


Dam


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Moranbah

Moranbah

Moranbah

Moranbah

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Moranbah

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Moranbah

Moranbah

Moranbah

Moranbah

Moranbah

Moranbah

Moranbah

Moranbah

Moranbah

MoranbahCaval Ck

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Nine Mile Ck

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6100

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6200

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221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5

247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7

251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0

230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0

235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3

233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4 243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3

249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6

390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390

415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145

221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5221.5

247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7247.7

251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0251.0

259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7

257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5257.5

252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9252.9

255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4255.4

247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3247.3

243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7243.7

236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8

232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3232.3

233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8233.8

231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9231.9230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4

228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4228.4225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7

220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9220.9

220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1

219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8

230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0230.0

235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3

233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4 243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3243.3

249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6249.6

248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5248.5245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6

233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9

234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7234.7

237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8

242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2

239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2239.2

237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9237.9

235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6

235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2 231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2231.2

227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9227.9230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2230.2

230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4224.4

225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1225.1 219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9

220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1

219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.4219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2219.2 218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9218.9

216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4216.4

214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2214.2

212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9212.9

212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7212.7

209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5

209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5209.5

219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1219.1

Figure:


Rev:CApproved:


Client Project

Job No:

Date:Drawn:

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4262 6420

29-10-2009PS



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Stream Centre Line


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Hor

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Moranbah

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MoranbahCaval Ck

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253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0

222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9

221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6

221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2

244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0

247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8

221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0

233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0

235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3

238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0

233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9

228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0

247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9 237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0

213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0

390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390390

415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415415

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200200

145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145145

253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0253.0

222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9222.9

221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6221.6

221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2221.2

244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0

247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8247.8

221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0221.0

219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.8219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9219.9

220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1

225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7225.7228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5228.5

230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7230.7

232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.2232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5232.5

233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9

236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9236.9

247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5247.5

251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1251.1

255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6255.6

257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7257.7

259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7259.7

233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0233.0

235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3235.3

238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0238.0

233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9233.9

228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0228.0

247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9247.9251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4251.4244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0244.0

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9 237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2237.2219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0219.0

213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0213.0

242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2242.2

237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8237.8239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3239.3

235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6

235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2235.2 231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3231.3

230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1230.1

225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3225.3

226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6226.6236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8236.8

230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4230.4

235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6235.6

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9245.9

249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7249.7

220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3220.3

220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1220.1219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3219.3

213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8213.8

212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8212.8

209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6

209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6209.6

211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6211.6

213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5213.5

216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6216.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6219.6

Figure:


Rev:CApproved:


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Job No:

Date:Drawn:

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IGH

T. It

rem

ains

the

prop

erty

of U

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0 1.25

Scale

2.5km


Scale 1:90 000 (A4)

4262 6420

29-10-2009PS



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Project Site



Stream Centre Line


DamExtent of Levee (3000 yearARI flood immunity to pit)

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B

Appendix B Tables

Table_Appendix 1 Horse Creek Diversion Catchment Parameters

Basin ID

Catchment Area (km2)

Reach #

Length (km)

A 9.2 1 1.2 B 9.8 2 1.2 C 4.5 3 1.3 D 6.9 4 0.7 E 11.3 5 0.6

6 1.1

7 1.2

8 2.6

9 1.3

Appendix B

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Table_Appendix 2 Caval Creek Catchment Parameters

Basin ID

Catchment Area (km2)

Reach #

Length (km)

A 62.0 1 7.0 B 75.5 2 5.2 C 54.5 3 4.5 D 29.3 4 5.4 E 25.8 5 4.5 F 52.9 5A 2.4 G 60.4 6 4.6 H 85.6 7 9.1 I 38.4 8 6.0 J 7.8 9 6.8 K 75.4 10 4.3 L 5.7 11 6.8 M 4.7 12 2.1 N 4.8 13 4.2 O 14.0 14 6.8 P 9.5 15 1.6

D1 12.9 16 2.3 R 11.9 17 10.2 S 29.1 18 2.5

19 2.1

20 1.1

21 1.2

22 1.6

23 0.8

24 1.5

25 0.6

26 2.5

27 4.0

28 2.4

29 2.9

30 3.4

31 2.4

32 14.0

Appendix B

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Table_Appendix 3 Horse Creek Diversion Catchment – Rainfall Depth Results (CRC-FORGE)

Total Rainfall Depth (mm) Duration (hrs)

1 in 500 AEP

1 in 100 AEP

1 in 2000 AEP

1 in 3000 AEP

15 min 57 64 70 74 30 min 81 90 99 105 1 hour 110 122 135 143

3 hours 154 172 190 200 6 hours 190 211 233 245 12 hours 233 260 287 301 18 hours 267 297 328 344 24 hours 292 326 360 377 48 hours 360 396 432 451 72 hours 409 449 489 511 96 hours 438 482 526 549

120 hours 455 500 546 568

Table_Appendix 4 Caval Creek Diversion Catchment – Rainfall Depth Results (CRC-FORGE)

Total Rainfall Depth (mm) Duration (hrs)

1 in 500 AEP

1 in 100 AEP

1 in 2000 AEP

1 in 3000 AEP

15 min 55 61 67 70 30 min 78 86 95 100 1 hour 106 118 130 136

3 hours 147 163 180 187 6 hours 179 198 219 228 12 hours 218 242 267 277 18 hours 249 277 306 317 24 hours 274 304 336 348 48 hours 337 371 406 419 72 hours 382 419 456 469 96 hours 407 446 487 501

120 hours 421 461 502 525

Note: 1) Reference : AR&R 1997 Procedures for interpolating between 1 in 100 AEP and PMP depths

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C

Appendix C Hydrologic Modelling

C.1 Rainfall Losses RORB includes a loss model to account for rainfall losses, allowing for an initial loss followed by continual loss. Loss parameters were derived from AR&R (1998) - Book IV Estimation of Large and Extreme Floods. Initial loss was derived by interpolating between an upper and lower limit according to a log normal probability distribution as shown in in Figure_Appendix 1. A median continual loss value of 2.0 mm/hr was adopted for the 1 in 500 AEP event and gradually reduced for more rare events.

C.2 Model Parameters Catchment Lag Coefficient - kc

The catchment lag coefficient, kc, is the principal calibration tool for RORB models. In the absence of regional stream gauge data in which to calibrate to, kc scaling relationships were derived from a RORB model constructed by Sargent Consulting and documented in the Isaac River Cumulative Impact Assessment report (Alluvium 2008).

The Sargent Consulting RORB model provides kc values for all sub-catchments of the Isaac River. Three sub-catchments (Burton Gorge, Goonyella and Deverill) were considered for catchment scaling to calculate the kc value to be applied in RORB models.

A fit test was carried out using a common empirical equation relating kc to Area using equation (2) to establish the appropriate value for the parameter X with data provided in the Sargent report.

kc = X. Area 0.5………………………………………………………………………………………… (2)

where kc = the catchment lag coefficient

Table C-5-1 Derivation of Parameter X- Fit Test

Location Catchment Areas (km2)

Calibrated RORB kc Values

Fit kc = X. Area 0.5

Isaac River at Burton Gorge

555 20 0.85

Isaac River at Goonyella

1215 27.5 0.79

Isaac River at Deverill

4155 78 1.21

The X value of 0.8 obtained from Goonyella catchment was adopted as the most suitable parameter for the study area as the Goonyella catchment was determined as the most appropriate for catchment scaling due to its similar geology and regional location to the study area. Furthermore, the Burton Gorge catchment has distinctly different geology and the Deverill catchment size is far larger than the

Appendix C

42626420/01/01

study area. The Weeks formula as shown below and reported in AR&R (1987) was plotted against the derived equation to test the suitability of the parameter against the study area as shown in Figure_Appendix 2 .

kc = 0.88. Area 0.5……………………………………………………………………………………(3)……

The plot shows a reasonable fit between the derived equation and Weeks equation for catchment areas ranging from 200 km2 to 1500 km2. The derived equation estimates lower Kc values than the empirical equation reported by Weeks. A lower kc value produces higher peak flow estimates and is therefore more conservative.

Table C-5-2 Derived Kc Values From Calibrated Isaac RORB and Weeks Equation

Kc Values and Weeks Equation

Area (km2) kc derived from Calibrated Isaac RORB

kc derived from Weeks Equation

10 2.5 3.0

50 5.7 7.0

100 8.0 10.1

200 11.3 14.6

500 17.9 23.7

1000 25.3 34.2

2000 35.8 49.4

Appendix C

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Log Normal Probability ( Initial Loss vs ARI)

y = -0.4x + 1.8

-1.5

-1

-0.5

0

0.5

1

1.5

0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Log(ARI)

LOG

(Initi

al L

oss)

LOG AEP Linear (LOG AEP)

Figure_Appendix 1 Log Normal Probability( Initial Loss vs ARI)

Appendix C

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Isaac River Relationship RORB Kc vs Catchment Area

0

10

20

30

40

50

60

70

80

90

0 500 1000 1500 2000 2500 3000 3500 4000 4500

Isaac River Catchment Area (km2)

RORB

Kc

Valu

e

Calibrated Isaac River RORB (Sargent Consulting) Derived Isaac RORB Kc Equation (URS)AR&R1987 Weeks Equation

Figure_Appendix 2 RORB Kc vs Catchment Area

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Figure_Appendix 3 : Generalised Short Duration Method Temporal Distribution

Appendix C

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C.3 RATIONAL FORMULA

As used in the design, the formula of Rational Method is

QY = 0.278 . CY. ITC,Y.A ( AR & R 1987)

QY = peak flow rate ( m3/s) of average recurrence interval (ARI) of Y years

CY = runoff coefficient (dimensionless) for ARI of y years

A= area of catchment (km2)

ITC = average rainfall intensity (mm/hr) for design duration of tc hours and ARI of y years

The runoff coefficient was assumed to be 0.8 as the catchment would be saturated during extreme events.

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