Somerset Dam Emergency Procedure...Case 1 - the level in Somerset Dam is below EL 100.45; or o Case...

52
) Manual ofOptrarional Procedures (or Flood Mil igation lit Wivcnhct: Dam and Somerset Dam 47 Somerset Dam Emergency Procedure In the event of communications loss with the Flood Operations Centre, the Dam Supervisor at Somerset Dam is to assume responsibility for flood releases from the Dam. Once it has been established that communications have been. lost, the Dam Supervisor at Somerset Dam is to: Take all practicable measures to restore communications and periodically check the lines of communication for any change; Undertake the actions sel out below to release flood water from Somerset Dam; Log all actions in the Event Log; • Ensure the dam is at full supply level at the end of the event; • Remain in the general vicinity of the dam while on duty. The actions to be undertaken to release flood water are: If communications with Wivenhoe Dam are lost, the level in Wivenhoe Dam is to be assumed as the level shown on gauge boards located downstream of Somerset Dam. The radial gates are to be kept raised to allow uncontrolled discharge. • The regulators are to be closed if the tail water level exceeds EL 68.60 and are generally kept closed. The only exception to this is if the regulators are used to prevent overtopping of the dam. Sluice gates are operated as either fully opened or fully closed. The order of operntion for opening the sluice gates is LMKNJOIP. Sluices are to be closed in reverse order of opening. Any inoperable sluices are to be dropped from the opening or closing sequences. The sluice gates are to be operated in accordance with the following procedures: o . Case 1 - the level in Somerset Dam is below EL 100.45; or o Case 2 - the level in Somerset Dam is above EL 100.45. These procedures are described below. Revtsion No: 7 Novanber 2009 SOQ.001.001.4140

Transcript of Somerset Dam Emergency Procedure...Case 1 - the level in Somerset Dam is below EL 100.45; or o Case...

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)

Manual ofOptrarional Procedures (or Flood Miligation lit Wivcnhct: Dam and Somerset Dam 47

Somerset Dam Emergency Procedure

In the event of communications loss with the Flood Operations Centre, the Dam Supervisor at Somerset Dam is to assume responsibility for flood releases from the Dam. Once it has been established that communications have been. lost, the Dam Supervisor at Somerset Dam is to:

• Take all practicable measures to restore communications and periodically check the lines of communication for any change;

• Undertake the actions sel out below to release flood water from Somerset Dam;

• Log all actions in the Event Log;

• Ensure the dam is at full supply level at the end of the event;

• Remain in the general vicinity of the dam while on duty.

The actions to be undertaken to release flood water are:

• If communications with Wivenhoe Dam are lost, the level in Wivenhoe Dam is to be assumed as the level shown on gauge boards located downstream of Somerset Dam.

• The radial gates are to be kept raised to allow uncontrolled discharge.

• The regulators are to be closed if the tail water level exceeds EL 68.60 and are generally kept closed. The only exception to this is if the regulators are used to prevent overtopping of the dam.

• Sluice gates are operated as either fully opened or fully closed. The order of operntion for opening the sluice gates is LMKNJOIP. Sluices are to be closed in reverse order of opening. Any inoperable sluices are to be dropped from the opening or closing sequences. The sluice gates are to be operated in accordance with the following procedures:

o . Case 1 - the level in Somerset Dam is below EL 100.45; or

o Case 2 - the level in Somerset Dam is above EL 100.45.

These procedures are described below.

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Manua1 ofOpcl1lcionsl Procedures for Flood MiCi8fllion at WiV1:nhoe Darn Md Somerset Dam 48

Case 1 Prooedure !Level in Somerset Dam is below EL 100.45)

The sluice gates are to be operated in accordance with the following table:

SOMERSET DAM LOSS OF COMMUNICATIONS

CASE 1 PROCEDURE

CONDITIONS AT SOMERSET ACTIONS AND WIVENHOE DAMS

Level in Somerset Dam is below Sluice gates are to be opened Ilt intervals of not less EL 100.45, Level in Wivenhoe than 120 minutes, provided the number of open sluice Dam is below EL 70.0 and falling. gates does not exceed that shown in the "SOMERSET

DAM - MAXIMUM SLUICE GATE OPENING" table. Once a sluice gate is opened, no further sluice gate operations are to be undertaken for 120 minutes.

Level in Somerset Dam is below Sluice gates are to be closed at intervals of not less EL J 00.45, Level in Wiv~llhoe than 180 minutes. Once a sluice gate is closed, no Dam is below EL 70.0 and rising. further sluice gate operations are to be undertaken for

180 minutes.

Level in Somerset Dam is below Sluice gates are to be closed at intervals of not less EL 100.45, Level in Wivenhoe than 60 minutes. Once a sluice gate is closed, no Dam is above EL 70.0. further sluice gate operations are to be undertaken for

60 minutes.

SOMERSET DAM MAXIMUM SLUICE GATE OPENING

SOMERSET DAM LEVEL MAXIMUM NUMBER OF SLUICE GATES ALLOWED TO BE OPEN

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MllnlJ:1i arOperntianal Proceduru CO( Flood Miliprion 11 Wivcnboe Dam and Somcucl Dam 49

Case 2 Procedure CLevel in Somer.etDem is above EL 100.45)

The sluices gates are to be operated in accordance with the following graph :

CASE 2 • TARGET LINE FOR OETERMI>4f:IG SLUICE GATE OPERATIONS

81 ~-------r--------~-------'--------'--------'r-----~,

~h$ ulltprq;fe~;l'dy

+ __________ j __________ -t4~~~t~e~ cf~~~u I-____ +-______ ~~--------~ 79 wh~qI.f1I.~ a:._Ih~

O~f:)r[~ l:lf'let LI,..:,

.B

rn 99 101 103 IDS 107 109 111

SomeflldDamLev.1 tm AHD)

Sluices are progressively closed at one hour intervals if operating above the Operating Target Line and progressively opened at one hour intervals if operating below the Operating Target Line. The aim is always to follow the Operating Target Line as closely as possible.

10.4 Equipment Failure

In the event of equipment failure the aClion to be taken is indicated in Appendix E for Wivenhoe Dam and Appendix F for Somerset Dam.

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Manual orOpcrational Procedures ror Flood Mitipllon at Wlvenhoe Dam end Somersel Dam 50

APPENDlXA AGENCIES HOLDING CONTROLLED COPIES OF THIS MANUAL

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Manual of Operational Procedures for Flood Mitigation at Wivumoe Dam and Somersel Dam 51

APPENDIXB KEY REFERENCE GAUGES

1974 MlnorFlood Moderate Flood Major Flood Gauge

Gauge Zero Giluge Gauge Gauge Location Flow Flow Flow Height Height Height Height

mARD m m rn"s m m',s m m',s

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Manual orOperational Procedures ror Flood Mitigation 81 Wivenitoe Dmn and Somerset Dam

Revision No: 7

APPEJ'I.'DIX C WlVENHOE DAM TECHNICAL DATA

52

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Manual of Operational Proccdutn rot Flood Miti,.tion at WiveMOC Dam and Somerset Dim 56

SOQ.001.001.4149

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Manua] ofOpemrioo81 Procedures for Flood Mitigation Rt Wivenhoc Dam and Somcrsd Dam 57

W1VENHOE DAM AUXILIARY SPILLWAY RATING TABLE

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Manual orOpcrationl1 Procechns fOt' Flood Miliption et Wivnlhoc Dam and Somtttel Dam

Rt'vision No: 7

APPENDIXD SOMERSET DAM TECHNICAL DATA

58

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Manuel ofOpemtionDl Pnxc:dttrCs for Flood Miliga\lorl at Wivenhoe Dam and Somcrset Dllm 59

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Mlloual ofOpcrarional Procedures (or Flood Mifi~ion at Wivenhoc Oam and Somerset Dam 60

APPENDIXE WIVENHOE DAM GATE OPERATION CONSIDERATIONS

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Manual afOperational Proccdlns for Flood Mitigation el Wivenhoc Dam and Somencl Dam 62

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Manual ofOpemrlonnl Procedures for Flood Mitigation 81 Wivcnhoe Dam nnd SomtrSt( Dam 63

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Manual ofOpenuionai Proccd~ for Flood Mitigation at Wivenhoe Dam and Somerset Dam 64

Rovislon No: 7 0810. Novembcr2D09

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ManlJ8l or OpenlUcnal Procedures for Flood MitiGAtkln lit Wivmhoe Oem and Somerset Dam 65

APPENDIXF SOMERSET DAM AUXILIARY EQUIPMENT

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Manual otOpcrauorW rrocedw'e! ror Flood Miligalion at Wivtnhoe Dam:and SomUV( Dam

Rcvl!lion No: 7

APPENDIXG HYDROLOGIC INVESTIGATIONS

66

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ManUII ofOperalional Proccdurc.s foe Food MiliGBlion at Wivcnhoe Dam and Somerset Dam

Revision No: 7

APPENDIXH WIVENHOE DAM

PLANS, MAPS AND PHOTOGRAPHS

67

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Manual of Ope ratione 1 Procedures for Flood Mitigillion et Wivenhoe Dam and SomCl'$Cl Dam

Revision No: 7

APPENDIX I SOMERSET DAM

PLANS, MAPS AND PHOTOGRAPHS

74

Date: November 2009

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Manual ofOperalicnaJ Prccedun:s for Flood Miligalion at Wivcnhoe Dam and Somerset Own 80

APPENDIXJ WIVENHOE DAM - FUSE PLUG BREACH SCENARIOS

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Mllnunl orO~l'alional Procedwcs for Flood MtugaJ.j~n &1 Wivenhoc Dam and Samaset Dam 82

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Milnual OfOpClIltioml Procedures for Flood Miugalion at Wivenhoe Dam IUld Somersel Dam 83

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Manual ofOperationaJ Proccdul'U for Flood Mitigation at Wivenhoe Dam IlrId SometSc:t Dam 84

RevlS)on No: 1 Dale; Novembcr2009

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Manual ofOpeflltianl1\ ProcedutC, for Flood MiUption al Wivcrthoc Darn IUld SomeJXt OMrl 85

RC:'Yision No: 7 o..le: NovtlTJbct 2009

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GULF OF

CARPENTARIA

SOUTH

AUSTRALIA

e Queensland Government

----,-"' ............ .. ........ ""'-..... ................ -.. _ ... R_ W __ ...... ...-"'_ ....... -"._ .... ..-110\\_ .. _"""", __ ...,_ .. ...--...._ ........ -.0-.-._ .. -.) ..... --.... -.-.~- .. - ... _ J ___ ... __ ... _ ..... ___

.. --.. ...,-_ ...... -_<xoo.l._._._~ _ ... ,.." .""' ...... -,~ .. ---"'"'-1'1):101'

'OERM-18'

Department of Environment and Resource Management (OERM) Streamflow Gauging Stations and Bureau of Meteorology (BaM) Flood Alert Stations

PIIb,""on dt\tl; 23 F"bruery 2011

D. N

'M * ~ --. ""'Ie<_: ~Geogor_

__ O_'_o.1""'of ..... _' .. (GO~ .. )

.. .' . "", " .

DRAFT For discussion purposes only

Flood station data not validated

~: ott; • ... , • ,0

0

ll$l.O~f. CAlNO _ 11""'101'"

Legend

• BoM and councK flood alert stalions (real-time data vie radio telemetry)

• OERM gauging stations

Population ~ntr8

Rlllsr I creek.

c:::l Drainage basin

N~: TIw toc.lIonI oIltloe 8 ..... "'\1 of Mol~ (801.4) al'lCl c:oundlllood lllllofl. lhown on I," map_o soureed d~ "om !he BoM _belle (www.bom.gov.aul_!'wI"" not be.., ullC~lod

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I ..... (0

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'DERM-20'

QUEENSLAND FLOODS COMMISSION OF INQUIRY

DEPARTMENT SUBMISSIONS FOR STATE OF QUEENSLAND

Department of Environment and Resource Management (DERM)

ATTACHMENT DERM-18 WEBLINKS

DERM Links - Publicly available

Coporate Brochure http://www.derm.qld.gov.au/aboutlorganisation/pdf/corporate brochure.pdf

Flood Mitigation Manual for a Dam http://www.denn.gld.gov.aulabout/policy/documents/3991 Iwir 2009 3991 .pdf

Spatiallnfonnation http ://www.denn.gld .gov.aulservices resources!category.php?class id=8

oee - Report http://www.climatechange.gld.gov.au/pdf/gayndah-policy-report.pdf

Flood Risk Management http ://www.denn.gld.gov.aulwaterlregulationlflood risk management.html

Water Resource Plans and Resource Operations Plans http://www.denn.gld.gov.aulwrp/catchments.html

Resource Operations Licences and Interim Resource Operations Licences http://www.denn.gld.gov.aulwater/management/rols irols .html

Other Entity Links - Publicly available

Murray Darling Basin http://www.mdba.gov .aul http://www.nwc.gov.aulwwwlhtmI/20-other-water-initiatives.asp

National Flood Risk Advisory Group (NFRAG) http://www.ga.gov.aulhazards/governance/national-committees-hazards/national­flood-risk-advisory-group .html

National Water Initiative http://www.nwc.gov.aulwwwlhtmIlI17-national-water-initiative.asp http://www.nwc.gov.aulresources/documents/lntergovernmental-Agreement-on-a­nat i onal -water -ini tia ti ve. pdf

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National Water Commission http://www.nwc.gov.auiwwwlhtml17-home-page.asp

Water for the Future http ://www.environmenLgov.auiwater/australiaiindex.html

Australia' s Biodiversity Conservation http://www.environmenLgov.au/biodiversity/ http://www.environment.gov.au/biodi versi t y/pu b I i cat i ons/ strategy -2 01 0-30/index.html

Bureau of Meteorology www.bom.gov.au

Emergency Management Queensland http://www.emergency.gld.gov.auiemg

State Counter Disaster Plan http://www.health.gld.gov.auiemerg serv/default.asp

State Disaster Management Group www.disaster.g ld.gov.au

Webbe-Weller Review http://wv..W.premiers.gld.gov.auigovemment/boards-committees/review/review­panel.aspx http://wv..W.derm .gld.gov.auiwateriregulation/webbeweller/index.html

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QUEENSLAND FLOODS COMMISSION OF INQUIRY

DEPARTMENT SUBMISSIONS FOR STATE OF QUEENSLAND

Department of Environment and Resource Management (DERM)

SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence)

REPOR Title

2

REAL TIME FLOOD OPERATIONS MODEL REPORT

Report on the Feasibil ity of a Real Time Flood Warning Model.

BRISBANE RIVER AND PINE RIVER HYDRAULIC MODEL REPORT Report on Review and Evaluation of Hydraulic Models.

3 REAL TIME FLOOD OPERATIONS MODEL REPORT Report on the Evaluation of Available Hardware Platforms.

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

Date

Nov-90

Nov-90

May-91

Page I of9

c m ;0 3: I ~ ~

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4a PINE RIVER FLOOD HYDROLOGY REPORT VOLUME [ Aug-91 Report on Runoff-Routing Model Calibration.

4b PINE RIVER FLOOD HYDROLOGY REPORT VOLUME 11 Aug-91 Report on Design Flood Estimation.

4c PINE RIVER FLOOD HYDROLOGY REPORT VOLUME ill Aug-91 Appendix A Runoff-Routing Model Data files Appendix B Bureau of Meteorology PMP Report

5 PINE RIVER FLOOD HYDROLOGY REPORT December 1991

Report on North Pine Dam -Post Dam Flood Frequency Analysis.

6 BRISBANE RIVER AND PINE RIVER FLOOD HYDROLOGY REPORT Apr-92 Report on Warragamba Dam EIS Flood Study.

7a BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME I Sep-92 Report on Runoff-Routing Model Calibration.

7b BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME Il Sep-92 Appendix A Comparative Plots.

7c BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME III Sep-92

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index Page 2 of9

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Appendix B Runoff-Routing Model Layouts.

7d BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME IV Sep-92 Appendix C Runoff-Routing Model Data Files.

8a BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME I Mar-93 Report on Design Flood Estimation.

8b BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME 11 Mar-93 Appendix A Probable Maximum Precipitation Estimates.

8c BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME 1II Mar-93 Appendix B Flood Frequency Analysis Results .

8d BRISBANE RIVER FLOOD HYDROLOGY REPORT VOLUME IV Mar-93 Appendix C Runoff-Routing Model Layouts.

9a PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I Apr-93 Report on Model Calibration.

9b PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME II Apr-93 Appendix I Pine River Cross-Sectional Data

9c PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME III Apr-93

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index Page 3 of9

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9d

10

Ila

II b

llc

lId

12

Appendix II Lateral Inflows Appendix TlI Time Series Plots

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME IV Appendix IV Hydraulic Model Data Files.

PINE RIVER FLOOD HYDROLOGY REPORT Report on North Pine Dam Rating of Spillway Gates.

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I Report on North Pine Dam Dambreak Analys is.

PINE RIVER SYSTEM HYDRAULIC MODEL VOLUME II Appendix I Flood Height Profiles and Flood Inundation Maps.

PINE RIVER SYSTEM HYDRAULIC MODEL VOLUME III Appendix I! Wave Set Up and Wave Run Up Estimation. Appendix III Time Series Plots for Selected Locations. Appendix IV Cross-Sectional Data

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME IV Appendix V Hydraulic Model Data Files.

BRISBANE RIVER AND PINE RIVER HYDRAULIC MODEL REPORT

Report on Validation of RUB1CON Hydrodynamic Modelling System.

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

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Apr-93

Jun-93

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16a

BRISBANE RIVER FLOOD HYDROLOGY REPORT Report on Downstream Flooding.

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I Report on Sideling Creek Dam Dambreak Analysis.

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME II Appendix I Flood Height Profiles and Flood Inundation Maps.

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME 1Il Appendix II Wave Set Up and Wave Run Up Estimation. Appendix III Time Series Plots for Selected Locations. Appendix IV Cross-Sectional Data

PINE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME IV Appendix V Hydraulic Model Data Files.

PINE RIVER SOIL MOISTURE ACCOUNTING MODEL REPORT Report on Model Calibration.

BRISBANE RIVER SOIL MOISTURE ACCOUNTING MODEL REPORT VOLUME I Report on Model Calibration.

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

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Oct-93

Oct-93

Oct-93

Oct-93

Nov-93

Nov-93

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BRISBANE RIVER SOIL MOISTURE ACCOUNTING MODEL REPORT VOLUME II Appendix I Daily Stream flow Plots.

BRISBANE RIVER SOIL MOISTURE ACCOUNTING MODEL REPORT VOLUME III

Appendix [] Daily and Monthly Flow Duration Curves and Monthly Scatter Diagrams.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I

Report on Somerset Dam to Wivenhoe Dam Hydraulic Model Calibration.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME II Appendix I Cross-Sectional Data.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME III Appendix II Calibration Event - Time Series Plots.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME IV Appendix III Somerset Dam to Wivenhoe Dam Hydraulic Model Rubicon Data Files.

BRISBANE RIVER AND PINE RIVER FLOOD HYDROLOGY REPORT

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

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May-94

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RepOlt on Regional Loss Model Relationships.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT Report on Historical Flood Data.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT Report on Somerset Dam - Dam Failure Modes.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I Report on Somerset Dam - Dam Failure Analysis.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME TI Appendix A Flood Height Profiles and Inundation Maps.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME 1Il Appendix B Time Series Plots.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME IV Appendix C Somerset Dam to Wivenhoe Dam Hydraulic Model Rubicon Data Files.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT Report on Wivenhoe Dam - Dam Failure Modes.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT Report on Wivenhoe Dam Hydraulic Model Calibration.

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

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Jun-94

July 1994

July 1994

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July 1994

July 1994

VOLUMEl

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October 1994

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME 1I Appendix A Volume of A3 Figures

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT - Volume ill Appendix B Derivation of Wivenhoe Dam Discharges

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT Volume IV Appendix C Cross-sectional Data

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME I Report on Wivenhoe Dam - Dam Failure Analysis.

BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME II Appendix A Volume of A3 Figures

24c BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME III Appendix B Wivenhoe Dam Wind Set Up and Wave Run Up Appendix C Time Series Plots

24d BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME 11 Appendix 0 Hydraulic Model Data Files

24e BRISBANE RIVER SYSTEM HYDRAULIC MODEL REPORT VOLUME V

Appendix IV Wivenhoe Dam to Moreton Bay Hydraulic Model - Rubicon data Fi les

DERM-20 SEQWB (South East Queensland Water Board) 1993 Study (Commercial in Confidence) Volume Index

October 1994

October 1994

October 1994

October 1994

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Report on Brisbane River and Pine River Geographic Information System

BRISBANE RIVER AND PINE RIVER FLOOD STUDY REPORT Executive Summary Report.

REAL TIME FLOOD OPERATIONS MODEL REPORT 'FLOOD' USERS MANUAL User Manual and System Manual.

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May-95

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