Wellington and Harris Reservoirs REALM Model...The SKM logo trade mark is a registered trade mark of Sinclair Knight Merz Pty Ltd. Wellington and Harris Reservoirs REALM Model OPERATING

Wellington and Harris Reservoirs REALM Model

OPERATING MANUAL

Final

March 2010

The SKM logo trade mark is a registered trade mark of Sinclair Knight Merz Pty Ltd.

Wellington and Harris Reservoirs REALM Model

OPERATING MANUAL

Final

March 2010

Sinclair Knight Merz ABN 37 001 024 095 590 Orrong Road, Armadale 3143 PO Box 2500 Malvern VIC 3144 Australia Tel: +61 3 9248 3100 Fax: +61 3 9500 1180 Web: www.skmconsulting.com

COPYRIGHT: The concepts and information contained in this document are the property of Sinclair Knight Merz Pty Ltd. Use or copying of this document in whole or in part without the written permission of Sinclair Knight Merz constitutes an infringement of copyright.

LIMITATION: This report has been prepared on behalf of and for the exclusive use of Sinclair Knight Merz Pty Ltd‟s Client, and is subject to and issued in connection with the provisions of the agreement between Sinclair Knight Merz and its Client. Sinclair Knight Merz accepts no liability or responsibility whatsoever for or in respect of any use of or reliance upon this report by any third party.

Operating Manual

SINCLAIR KNIGHT MERZ

I:\VWES\Projects\VW04701\Technical\4_Operating Manual\R02_EM_OperatingManual.doc PAGE i

Contents

1. Introduction 3

2. What is REALM? 4

3. Physical System Description 5

4. Model Inputs 8

4.1. Inflow Inputs 8

4.2. Salinity Inputs 8

4.3. Climate Data Inputs 9

4.4. Demand Inputs 9

4.5. Modifying the Model Inputs 10

5. Model Configuration 11

5.1. Physical System Configuration 14

5.2. Wellington and Harris System Parameters 22

5.3. Wellington System Accounting Configuration 24

5.4. Harris System Accounting Configuration 43

6. Running the Model 47

7. References 49

Appendix A Reading REALM Carrier Equations 50

Appendix B System Listing 53

Operating Manual


I:\VWES\Projects\VW04701\Technical\4_Operating Manual\R02_EM_OperatingManual.doc PAGE ii

Document history and status

Revision Date issued Reviewed by Approved by Date approved Revision type

Draft 1 17/12/09 K. Austin T. Sheedy 17/12/09 Draft

Final 01/04/2010 S. Lang T. Sheedy 01/04/2010 Including DoW comments

Distribution of copies

Revision Copy no Quantity Issued to

Draft 1 1 Electronic Jacqui Durrant, Mark Pearcey (DoW)

Final 1 Electronic Jacqui Durrant, Mark Pearcey (DoW)

Printed: 1 April 2010

Last saved: 1 April 2010 01:14 PM

File name: I:\VWES\Projects\VW04701\Technical\4_Operating Manual\R02_EM_OperatingManual.doc

Author: Erin Murrihy

Project manager: Simon Lang

Name of organisation: Department of Water

Name of project: Wellington and Harris Reservoirs REALM Model

Name of document: Operating Manual

Document version: Final

Project number: VW04701

Operating Manual


I:\VWES\Projects\VW04701\Technical\4_Operating Manual\R02_EM_OperatingManual.doc PAGE 3

1. Introduction

The Collie River catchment is located in south-west Western Australia and is approximately

3,000 km2 in area. The catchment includes two reservoirs; Wellington Reservoir and Harris

Reservoir, which regulate flow to meet downstream demands.

The Department of Water (DoW) has previously developed an Excel spreadsheet model of

Wellington Reservoir to assess the impact of catchment management options on yield, reliability and

water quality (salinity). The Excel spreadsheet model is a semi-empirical daily flow and salinity

balance model which represents Wellington Reservoir as a two layer system; a dense „salty‟ bottom

layer and a „fresh‟ surface layer.

The spreadsheet model incorporates two inflow sources (Collie River inflows and local inflows), up

to three draws from the reservoir (irrigation draw, Western Power draw and an additional draw) plus

scour releases, spill releases and allowances for the influence of climate (rainfall and evaporation).

The model runs over the period from April 1 1974 to December 31 2001.

The spreadsheet model currently produces satisfactory results. However, due to the processing

capability limitations of Excel it is time consuming to run and there is a limit to the number of years

and level of system complexity that can be modelled in a single spreadsheet. Additionally, the

Harris Reservoir system which contributes inflows and salinity mitigation releases to Wellington

Reservoir has not been included in the model.

To enable longer assessment periods and the incorporation of the Harris Reservoir system, Sinclair

Knight Merz (SKM) has developed a daily time-step REALM model of the combined Wellington

and Harris Reservoirs system to replace the existing spreadsheet.

This operating manual provides sufficient detail to enable the DoW to operate and modify the model

independently and is presented in the following sections:

What is REALM;

Physical system description;

Model inputs;

Model configuration;

Running the model; and

Sample model outputs.

Two REALM models were developed for this project, a stand-alone Wellington Reservoir REALM

model and a combined Wellington and Harris Reservoirs REALM model. This user manual relates

to the combined Wellington and Harris Reservoirs REALM model.

Operating Manual



2. What is REALM?

The REALM modelling platform was selected to model the Wellington and Harris Reservoirs system

as it has the capability to model flow and salinity on a daily time-step and has been extensively used

and tested on many major water resource systems across Australia.

REALM (Resource Allocation Model) is a water supply system simulation package. It is general in

that any water supply system can be configured as a network of nodes and carriers representing

reservoirs, demand centres, waterways, pipes, etc. It is flexible in that it can be used as a “what if”

tool to address various options (i.e. new operating rules, physical system modifications, etc.). This

general, flexible nature means that potential system changes can be quickly and easily configured

and investigated.

A wide range of operating rules can be modelled either directly or indirectly by exploiting the basic

set of node and carrier types and their corresponding attributes. It uses a network linear

programming algorithm to optimise the water allocation within the network for each time-step of the

simulation period, in accordance with user-defined operating rules.

The user can specify the desired level of detail of output from the model. Output can be presented

graphically, either in raw form or after post-processing using a suite of utility programs separate

from the simulation model. Input and output data (ASCII) files have the same format and can easily

be transferred to commercially available word processing and spreadsheet packages such as

Microsoft Office to enhance presentation and/or to perform more detailed statistical analyses.

More information on REALM is available from the Victorian Department of Sustainability and

Environment at: http://www.ourwater.vic.gov.au/monitoring/surface-water-modelling. The

modelling package along with supporting documentation can also be downloaded free from this site.

http://www.ourwater.vic.gov.au/monitoring/surface-water-modelling

Operating Manual



3. Physical System Description

The Collie River catchment is located in south-west Western Australia and is approximately

3,000 km2 in area. The catchment includes two reservoirs; Wellington Reservoir and Harris

Reservoir, which regulate flow to meet downstream demands.

Figure 3-1 provides a map of the Collie River catchment, showing the location of Wellington and

Harris Reservoirs and the major rivers.

Figure 3-1: The Collie River catchment showing the location of Wellington and Harris

Reservoirs (DoW, 2009).

Wellington Reservoir is located on the Collie River in the lower reaches of the catchment,

downstream of Harris Reservoir and the East and South Branches of the Collie River. Wellington

Reservoir was originally constructed in 1933 to provide water for irrigation purposes. It was last

raised in 1961 to a capacity of 185 GL, at which time it was being used to supply the Great Southern

Towns water supply and irrigation water. Since this time, the water quality of Wellington Reservoir

has declined, and it is no longer used to supply potable water due to elevated salinity levels.

In addition to releases for irrigation demand, water is also released (scoured) from Wellington

Reservoir during winter. Scour water is released from the bottom of the reservoir (the most saline

water), to reduce the salinity of the reservoir and maintain acceptable water quality for irrigation

purposes.

Operating Manual



Harris Reservoir is located in the upper reaches of the catchment on the Harris River. Harris

Reservoir was constructed in 1991 with a capacity of 72 GL, and is used to supply the Great

Southern Towns water supply formerly supplied from Wellington Reservoir. Water can also be

released from Harris Reservoir to mitigate salinity in Wellington Reservoir, however historically this

has occurred on few occasions.

Figure 3-2 provides a schematic diagram of the combined Wellington and Harris Reservoir system.

This figure shows the key inputs to the system (inflows and climatic information) as well as the key

releases from each reservoir.

Over time, the salinity of inflows to Wellington Reservoir has increased significantly most likely due

to land clearing for agriculture, particularly from the Collie River East Branch (DoW, 2009). This

has lead to significant salinity issues in Wellington Reservoir.

The salinity behaviour of Wellington Reservoir has been extensively studied, and is well known. At

the start of winter the reservoir is generally in a well-mixed state. Early winter inflows are typically

highly saline (dense) and settle to the bottom of the reservoir. During summer and autumn inflows

are generally less saline and settle on the surface of the reservoir.

Over the warm summer months, solar heating intensifies the stratification of the reservoir. During

autumn, cooler weather cools the surface of the reservoir, and strong winds start to mix up the

reservoir. By May, these processes have generally left Wellington Reservoir in a well-mixed state.

Operating Manual



Figure 3-2: A schematic diagram of the Wellington and Harris Reservoir system, showing

key inputs and releases (DoW, 2009).

Operating Manual



4. Model Inputs

Time-series model inputs for the Wellington and Harris Reservoirs REALM model (inflows,

salinities, demand etc) were supplied by the DoW for this project an were adopted without

modification. Inputs cover the period of record from January 1st 1975 to December 31

st 2001.

Note that where inflow and salinity inputs are adjusted through the use of factors, this is undertaken

within the REALM model. The values in the input files are unfactored flow, salinity and climate

time-series.

4.1. Inflow Inputs

The combined Wellington and Harris Reservoirs REALM model requires three inflow inputs. These

inputs are summarised in Table 4-1 and are contained in the file

“Well&Harr_LinkedModel_Inflows.sf”. All inflow inputs are in megalitres per day (ML/day).

Table 4-1: Inflow inputs to the Wellington and Harris Reservoirs REALM model.

Input Name Description Data Source/ Comment

COLLIE INFLOWS Inflows to Wellington Reservoir from the Collie River (excludes Harris and Local inflows)

Final_LUCICAT.xls[Inflow Wellington], column C

Supplied by DoW November 2009

LOCAL INFLOWS Local inflows to the catchment between Harris Reservoir and the Collie River confluence

Final_LUCICAT.xls[Lower Harris], column C


HARRIS INFLOWS Inflows to Harris Reservoir Final_LUCICAT.xls[Inflow Harris], column C


4.2. Salinity Inputs

The combined Wellington and Harris Reservoirs REALM model requires three salinity inputs.

These inputs are summarised in Table 4-2 and are contained in the file

“Well&Harr_LinkedModel_Salinity.sf”. All salinity inputs are in milligrams per litre (mg/L).

Table 4-2: Salinity inputs to the Wellington and Harris Reservoirs REALM model.

Input Name Description Data Source

COLLIE SALINITY Salinity of inflows to Wellington Reservoir from the Collie River (excludes Harris and Local inflows)

Final_LUCICAT.xls[Inflow Wellington], column E


Operating Manual




LOCAL SALINITY Salinity of local inflows to the catchment between Harris Reservoir and the Collie River confluence

Final_LUCICAT.xls[Lower Harris], column E


HARRIS SALINITY Salinity of inflows to Harris Reservoir

Final_LUCICAT.xls[Inflow Harris], column E


4.3. Climate Data Inputs

The combined Wellington and Harris Reservoirs REALM model requires two climate inputs. These

inputs are summarised in Table 4-3 and are contained in the file

“Well&Harr_LinkedModel_Climate.sf”. Note that climate data for Wellington Reservoir is also

used to model the influence of climate on Harris Reservoir (as per the spreadsheet model). All

evaporation and rainfall inputs are in millimetres (mm).

Table 4-3: Climate data inputs to the Wellington and Harris Reservoirs REALM model.


WELLINGTON EVAP

Evaporation from Wellington Reservoir

Wellington Daily Water Balance 1974-1989.xls[Climate data lookup] column H

Supplied by DoW June 2009

WELLINGTON RAIN

Rainfall to Wellington Reservoir

Wellington Daily Water Balance 1974-1989.xls[Climate data lookup] column C


4.4. Demand Inputs

The combined Wellington and Harris Reservoirs REALM model requires five demand inputs. The

demand inputs for the combined Wellington and Harris Reservoirs REALM model are summarised

in Table 4-4 and are contained in the file “Well&Harr_LinkedModel_Demands.dm”. All demand

inputs are in megalitres per day (ML/day).

Table 4-4: Demand inputs to the Wellington and Harris Reservoirs REALM model.


WESTERN POWER

Western Power draw from Wellington Reservoir

Wellington Daily Water Balance 1974-1989.xls[Target draw lookup] column C


IRRIGATION Irrigation draw from Wellington Reservoir

Wellington Daily Water Balance 1974-1989.xls[Target draw lookup] column D


Operating Manual




ADDITIONAL DRAW

Draw for additional (consumptive) demands from Wellington Reservoir (not currently in use, for scenario modelling)

Wellington Daily Water Balance 1974-1989.xls[Target draw lookup] column E


GSTWS HARRIS Great Southern Town Water Supply draw from Harris Reservoir

Wellington & Harris Daily Water Balance 1974-1985.xls[Target draw lookup] column H


OTHER HARRIS Draw from other (consumptive) demands from Harris Reservoir (not currently in use, for scenario modelling)

Wellington & Harris Daily Water Balance 1974-1985.xls[Target draw lookup] column I


4.5. Modifying the Model Inputs

The model inputs are formatted as ASCII files, or space delimitated files. The input files can be

opened and modified using Microsoft Excel. Column widths and decimal formats should be

maintained. Once modified the files should be saved as “formatted text (space delimited)”.

Inflow, salinity and climate files should be saved with a suffix of “.sf” while demand files should be

saved with a suffix of “.dm”.

Operating Manual



5. Model Configuration

The REALM system file is comprised of a network of nodes and carriers that represent the physical

and accounting structure of the surface water system. The combined Wellington and Harris

Reservoirs REALM system file is configured such that carriers and nodes representing the physical

system are located in the middle of the screen when viewed using the REALM software. Figure 5-1

shows the configuration of the physical system.

Demand Node

Stream Junction

Stream Terminator

Carrier

Inflow

Reservoir Node

Figure 5-1: Carriers and nodes representing the configuration of the physical system (This is a snapshot of the system file Wellington&Harris17.sys).

Operating Manual



Carriers and nodes representing the system parameters are located in groups of accounting carriers

on the left-hand side of the screen. The groups are arranged (from top to bottom): Wellington

system parameters; Harris system parameters. Figure 5-2 shows the configuration of the system

parameters.

Carriers and nodes representing accounting systems are located in bunches of accounting carriers on

the right-hand side of the screen. These bunches are arranged in groups of similar accounting groups

(from top to bottom): miscellaneous accounting including allocations; Wellington Reservoir top and

bottom layer volume and salinity accounting; Wellington Reservoir scour accounting; and Harris

Reservoir accounting. Figure 5-3 shows the configuration of the accounting systems.

3435

32101

5654

49

53

33 5755

92

5041

51 5247

48

63

71

3938

40

86

89

746864

8182

8384 85

80

Figure 5-2: Carriers and nodes representing the system parameters (showing the carrier number of each carrier).

Operating Manual



44 945 46 11

12

10

421494

1397

16 43 9315

98

96

9020

1918

17 23

24212291 5859

60

6162

99

2930

31

37

272625

28

76757372

77 78 79

Figure 5-3: Carriers and nodes representing the accounting systems (showing the carrier number of each carrier).

Operating Manual



5.1. Physical System Configuration

The physical system configuration (Figure 5-1) is comprised of two reservoir nodes, five demand

nodes and a number of carriers:

the properties of the two reservoir nodes are detailed in Table 5-1;

the properties of the five demand nodes are detailed in Table 5-2; and

the properties of the flow carriers are detailed in Table 5-3.

Table 5-1: Reservoir nodes used to represent the physical system.

Node Name Description

Wellington Reservoir Spills1 Downstream spills enabled

Maximum storage capacity 184,916 ML

Minimum storage applied through carriers

Number of above/below target zones

2

1/1

Evaporation record WELLINGTON EVAP

Rainfall record WELLINGTON RAIN

Pan evaporation factor (B) 0.90

Rating table for area (see Figure 5-4)

Volume (ML) Surface Area (Ha)

0 0

8,493 232

15,678 631

28,131 512

38,149 600

54,093 731

91,952 1000

123,881 1212

168,447 1500

184,916 1610

1 Allows spills to occur from the reservoir to downstream rivers/channels when above capacity, rather than

being lost from the system 2 Target storages can be defined for reservoirs in REALM and are used to determine when and or how water is

transferred between storages (to maintain storages at desired levels or at a proportion of total storage etc). In

line with the spreadsheet model, target storages have not been defined in this model, therefore the number of

above and below target zones are not required and set to 1. This means that water will be retained in the

storage where it is harvested, unless specifically released to supply a demand or other release (i.e. scour).

Operating Manual




Rating table for level (see Figure 5-5)

Volume (ML) Level (m AHD)

0 135.16

1,035 139.75

8,493 145.45

15,687 147.85

19,750 148.90

23,959 149.85

28,131 150.70

38,149 152.50

54,093 154.90

70,697 157.00

91,952 195.30

123,881 162.20

148,373 164.10

168,477 165.50

184,916 166.56

This rating table is also used in the following carriers: TOP LAYER LEVEL, BOT LAYER LEVEL and TOP MIN BOT VOL

If the rating curve is revised these carriers must be updated.

Harris Reservoir Spills (see footnote 1) Downstream spills enabled

Maximum storage capacity 71508 ML

Number of above/below target zones (see footnote 2)

1/1

Evaporation record WELLINGTON EVAP

Rainfall record WELLINGTON RAIN

Pan evaporation factor (B) 0.90

Rating table for area (see Figure 5-6)

Volume (ML) Surface Area (Ha)

0 0

2,605 95

6,545 180

9,200 229

14,751 304

20,720 371

23,431 405

29,691 492

43,443 658

71,508 958

Operating Manual




Rating table for level (see Figure 5-7)

Volume (ML) Level (m AHD)

0 199.00

886 204.70

2,605 207.45

4,076 208.75

6,545 210.35

9,200 211.65

12,077 212.80

14,751 213.73

18,048 214.75

20,720 215.50

23,431 216.20

29,691 217.60

36,075 218.80

43,443 220.00

71,508 223.50

Rating tables are used by REALM to determine the volume of net evaporation from reservoirs. The

rating tables supplied in the DoW spreadsheet model contain a large number of data points.

However, the rating tables used by REALM are restricted to a limited number of points on the curve.

As such, the rating tables used by REALM contain only a few of the data points from the DoW

spreadsheet model.

Figure 5-4 to Figure 5-7 show the rating curves used by the DoW spreadsheet model and REALM

for Wellington and Harris Reservoirs. As REALM uses linear interpolation to return results between

the specified points, the REALM model will return similar results as the DoW spreadsheet model.

Operating Manual



0

500

1000

1500

2000

2500

3000

3500

0 50000 100000 150000 200000 250000 300000 350000

Su

rfac

e A

rea

(ha

)

Volume (ML)

DoW Model

REALM Model

Figure 5-4: Surface area-volume relationship for Wellington Reservoir.

135

140

145

150

155

160

165

170

175

0 50000 100000 150000 200000 250000 300000 350000

Leve

l (m

AH

D)

Volume (ML)

DoW Model

REALM Model

Figure 5-5: Level-volume relationship for Wellington Reservoir.

Operating Manual



0

200

400

600

800

1000

1200

0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000

Surf

ace

Are

a (h

a)

Volume (ML)

DoW Model

REALM Model

Figure 5-6: Surface area-volume relationship for Harris Reservoir.

199

204

209

214

219

224

229

234

0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000

Leve

l m A

HD

)

Volume (ML)

DoW Model

REALM Model

Figure 5-7: Level-volume relationship for Harris Reservoir.

Operating Manual



Table 5-2: Demand nodes used to represent the physical system.

Node Description

22 GSTWS HARRIS

Supply to GSTWS demand from Harris Reservoir

Demand node, no restriction policy

Demand shortfall priority = 1*

Number of demand shortfall zones = 1*

23 OTHER HARRIS

Supply to other demands from Harris Reservoir


Not in use (demand set to zero in input file)



4 WESTERN POWER

Supply to western power from Wellington Reservoir




14 IRRIGATION Supply to irrigation demands from Wellington Reservoir

Demand node, restriction policy set by carrier IRRIGATION ALLOC (see Section 5.3.2)



15 ADDITIONAL DRAW

Supply to additional demand from Wellington Reservoir

Demand node, restriction policy set by carrier ADD DRAW ALLOC (see Section 5.3.2)



*Demand shortfall priorities are used to determine which demands should be shortfalled first, and how the

shortfall should be distributed across the demands, in the event of capacity constraints limiting supply. Shortfall

priorities in the Wellington and Harris Reservoirs REALM model are determined by carriers; as such the

demand shortfall priority and number of demand shortfall zones are both set to 1 for all demand nodes.

Table 5-3: Flow carriers used to represent the physical system (see Appendix A for information on how to read REALM carrier equations).

Carrier Description

65 HARRIS INFS Inflows to Harris Reservoir Variable capacity carrier

River carrier

Capacity set to: „1*(„2/1000)

Where „1- HARRIS INFLOWS (STRM), and „2- HARRIS INF ADJ (CAPC)

66 GSTWS H SUPP

Supply to GSTWS from Harris Reservoir

Variable capacity carrier

Pipe carrier

Capacity set to: IF((„1-„2),0,999999,999999)

Where „1- HARRIS RES (STOR), and „2- HARRIS OFFTAKE (CAPC)

Equation prevents supply to GSTWS when storage volume in Harris Reservoir is below the offtake level

Operating Manual



Carrier Description

67 OTHER SUPP Supply to other demands from Harris Reservoir


Pipe carrier


Where „1- HARRIS RES (STOR), and „2- HARRIS OFFTAKE (CAPC)

Equation prevents supply when storage volume in Harris Reservoir is below the offtake level

70 HARRIS REL Salinity mitigation releases from Harris Reservoir


River carrier

Capacity set to MIN((MAX(„1,‟2)),(„3-„4),(„3-„5))

Where „1- HARRIS SEP REL (CAPC), „2- HARRIS O&N REL (CAPC), „3- HARRIS RES (STOR), „4- HARRIS MIN (CAPC), „5- HARRIS OFFTAKE (CAPC)

Release volume is equal to the minimum of the current months calculated release volume („1 or „2) or the volume in Harris Reservoir („3) above the minimum storage („4) or offtake level („5) (whichever is less)

Penalty: -56,000,000 (high negative penalty to ensure required release is made)

69 HARRIS SPILL Spills from Harris Reservoir Fixed capacity carrier, maximum capacity set to 0

River carrier

A river carrier with no available capacity downstream of a reservoir will pass spills if downstream spills are enabled.

1 COLLIE RIVER Inflows to Wellington Reservoir from Collie River


River carrier

Capacity set to („1*(„2/1000))+(„3*(„4/1000))

Where „1- COLLIE INFLOW (STRM), „2- COLLIE INF ADJ (CAPC), „3- LOCAL INFLOWS (STRM) and „4- LOCAL INF ADJ (CAPC)

Equation factors inflow by the appropriate inflow adjustment factors for scenario modelling.

102 TOT WELL INFLOW

Total inflow to Wellington River from Harris Reservoir releases and Collie River inflows

Fixed capacity carrier

River carrier

3 POWER SUPP Supply to Western Power from Wellington Reservoir


Pipe carrier


Where „1- WELLINGTON RES (STOR), and „2- WELL LOW OFFTAKE (CAPC)

Equation prevents supply to Western Power when storage volume in Wellington Reservoir is below the lower offtake level

Operating Manual



Carrier Description

4 IRRIGATION SUPP

Supply to irrigation demands from Wellington Reservoir


Pipe carrier

Capacity set to:

Primary- IF(„3,‟A,‟A,0),

„A- IF((„1-„2),0,999999,999999)

Where „1- WELLINGTON RES (STOR), „2- WELL UP OFFTAKE (CAPC), and „3- WESTERN POWER (SHRT)

Equation prevents supply to irrigation demands when Western Power is being shortfalled, or when storage volume in Wellington Reservoir is below the upper offtake level

5 ADD DRAW SUPP

Supply to additional demands from Wellington Reservoir


Pipe carrier

Capacity set to:

Primary- IF((„3+‟4),‟A,‟A,0),

„A- IF((„1-„2),0,999999,999999)

Where „1- WELLINGTON RES (STOR), „2- WELL LOW OFFTAKE (CAPC), „3- WESTERN POWER (SHRT), and „4- IRRIGATION (SHRT)

Equation prevents supply the additional demand when Western Power or the irrigation demand is being shortfalled or when storage volume in Wellington Reservoir is below the lower offtake level

36 WELL SCOUR REL

Scour releases from Wellington Reservoir


River carrier

Capacity set to: „1+‟2

Where „1- BOT SCOUR VOL (CAPC) and „2- TOP SCOUR VOL (CAPC)

Penalty: -56,000,000 (high negative penalty to overcome inbuilt penalty for supplying water to a stream terminator)

Carrier allows release of water for scour from Wellington Reservoir (calculated in accounting carriers, see Section 5.3.6)

7 WELL SPILL Spills from Wellington Reservoir

Fixed capacity carrier, maximum capacity set to 0

River carrier

A river carrier with no available capacity downstream of a reservoir will pass spills if downstream spills are enabled.

8 WELL ENV REL Environmental releases from Wellington Reservoir

Currently set to zero capacity (not in use)

6 D/S WELL RES Total river flow downstream of Wellington Reservoir

Fixed capacity carrier

River carrier

Operating Manual



5.2. Wellington and Harris System Parameters

The Wellington and Harris Reservoirs system requires a number of inputs parameters which can be

varied to model alternative scenarios. The input parameters include information such as: reservoir

starting conditions, scour and release trigger rules and allocation rules. This information is contained

in two groups of carriers on the left-hand side of the system file for easy modification:

system parameters for the Wellington system are located in the top group and are summarised in

Table 5-4; and

system parameters for the Harris system are located in the bottom group and are summarised in

Table 5-5.

Table 5-4: Carriers for the Wellington system parameters.

Carrier Description Current Setting*

34 TOP START VOL Start storage of the top layer of Wellington Reservoir

125,368 (ML)

35 TOP START SAL Start salinity of the top layer of Wellington Reservoir

350 (mg/L)

32 BOT START VOL Start storage of the bottom layer of Wellington Reservoir

43,977 (ML)

33 BOT START SAL Start salinity of the bottom layer of Wellington Reservoir

398 (mg/L)

101 MIN TOP THICK Minimum thickness of the top layer of Wellington Reservoir

1000 (m times 1000)

57 TOP SAL 4 SCOUR

Wellington Reservoir top layer salinity trigger for a scour release

1000 (mg/L)

56 MIN VOL 4 SCOUR

Wellington Reservoir minimum storage volume trigger for a scour release

110,000 (ML)

55 SAL DIFF TRIG Wellington Reservoir top and bottom layer minimum salinity difference trigger for a scour release

400 (mg/L)

54 BOT SAL TRIG Wellington Reservoir bottom layer salinity trigger for a scour release

1000 (mg/L)

53 MAX DAILY SCOUR

Maximum daily scour volume from Wellington Reservoir

825 (ML)

92 MIN WELL VOL Minimum target storage volume for Wellington Reservoir

10,000 (ML)

38 COLLIE INF ADJ Collie River inflows factor 1000 (inflows factor times 1000)

39 COLLIE SAL ADJ Collie River inflows salinity factor 1000 (salinity factor times 1000)

40 LOCAL INF ADJ Local inflows factor 1000 (inflows factor times 1000)

41 LOCAL SAL AJD Local inflows salinity factor 1000 (salinity factor times 1000)

Operating Manual




51 WELL UP OFFTAKE

Volume of the upper level offtake for Wellington Reservoir

24,431 (ML)

Equates to an offtake level of 149.95 m AHD, if the level-storage relationship is revised this must be updated

Currently used for the irrigation demand

52 WELL LOW OFFTAKE

Volume of the lower level offtake for Wellington Reservoir

10 (ML)


Currently used for the Western Power demand, additional draw demand and scour releases

47 IRRIG 0% REST Storage volume in Wellington Reservoir at which restriction on the irrigation demand is 0% (i.e. 100% allocation)

70,000 (ML)

48 IRRIG 100% REST

Storage volume in Wellington Reservoir at which restriction on the irrigation demand is 100% (i.e. 0% allocation)

25,000 (ML)

49 ADD 0% REST Storage volume in Wellington Reservoir at which restriction on the additional draw demand is 0% (i.e. 100% allocation)

110,000 (ML)

50 ADD 100% REST Storage volume in Wellington Reservoir at which restriction on the additional draw demand is 100% (i.e. 0% allocation)

50,000 (ML)

* Current settings based on Wellington Daily Water Balance 1974-1989.xls, supplied by DoW, June 2009.

Table 5-5: Carriers for the Harris system parameters.


71 HARRIS START SAL

Start salinity of Wellington Reservoir 180 (mg/L)

63 HARRIS INF ADJ Harris Reservoir inflows factor 1000 (inflow factor times 1000)

64 HARRIS SAL ADJ Harris Reservoir inflow salinity factor

1000 (salinity factor times 1000)

68 HARRIS OFFTAKE

Volume of the offtake for Harris Reservoir

484 (ML)


74 HARRIS MIN Minimum target storage volume for Harris Reservoir

10,000 (ML)

89 MIN VOL 2YR DROUGHT

Harris Reservoir minimum storage for a 2 year drought

18,500 (ML)

80 STOR 4 REL SEP Maximum storage volume in Wellington Reservoir for a release from Harris Reservoir in September

30,000 (ML)

Operating Manual




81 SAL 4 REL SEP Wellington Reservoir salinity for a release from Harris Reservoir in September

825 (mg/L)

82 SAL 4 REL O&N Wellington Reservoir salinity for a release from Harris Reservoir in October and November

775 (mg/L)

83 MIN STOR 4 REL O&N

Minimum Harris Reservoir storage volume for a release in October and November

42,000 (ML)

84 STOR 4 MAX REL

Wellington Reservoir storage volume for the maximum release from Harris Reservoir

110,000 (ML)

85 STOR 4 NO REL Wellington Reservoir storage volume for no release from Harris Reservoir

160,000 (ML)

86 HARRIS MAX REL

Maximum daily release from Harris Reservoir

1000 (ML/day)

* Current settings based on Wellington & Harris Daily Water Balance 1974-1985.xls, supplied by DoW, June

2009.

5.3. Wellington System Accounting Configuration

5.3.1. Additional accounting carriers

A number of additional accounting carriers are required to track model parameters such as season

(irrigation season). These carriers are summarised in Table 5-6.

Table 5-6: Carriers used to track additional model parameters.

Carrier Name Description

44 SEASON FLAG Used to indicate which layer inflows should be added to. Set to 1 for May to Sep and 0 for Oct to Apr


Capacity set to 1

Calculation option set to re-calculate for May to September and off for October to April.

45 CURRENT MONTH Returns a value of 1 to 12 representing the current month (i.e. Jan = 1, Feb = 2)


Capacity set to: „1

Where „1- CURRENT MONTH (TIME)

46 START MNTH FLAG

If it is the first day of a new month, returns the number of the current month, otherwise zero.


Caapcity set to: IF(„1-„2,‟1,0,‟1)

Where „1- CURRENT MONTH (TIME) and „2- CURRENT MONTH (-CAP)

11 START MONTH VOL

Returns the volume in storage (ML) for Wellington Reservoir on the first day of the month, fixed for the remainder of the month


Capacity set to: IF(„2,‟3,‟3,‟1)

Where „1- WELLINGTON RES (STOR), „2- START MNTH FLAG (CAPC) and „3- START MONTH VOL (-CAP)

Operating Manual




9 START OCT VOL Returns the volume in storage (ML) for Wellington Reservoir on the first day of October, fixed for all other days


Capacity set to: IF(„4-1,0,‟1,(IF(„2-10,‟3,‟1,3)))

Where „1- WELLINGTON RES (STOR), „2- START MNTH FLAG (CAPC), „3- START OCT VOL (-CAP) and „4- LINEAR (TIME)

5.3.2. Allocations

Allocations (the inverse of restrictions calculated in the spreadsheet model) are applied to two

demands across the Wellington and Harris Reservoirs system: irrigation demands and additional

draw demands from Wellington Reservoir. The restriction policy and carriers used to model

allocation are summarised in Table 5-7.

Table 5-7: Restriction policies and carriers used to apply allocations see Appendix A for information on how to read REALM carrier equations).

Demand Name Description

IRRIGATION Restriction policy Demand Group 1

Policy set by carrier: IRRIGATION ALLOC

Carrier: IRRIGATION ALLOC

Calculates the allocation level for the irrigation demand from Wellington Reservoir

Variable capacity carrier, capacity set to:

Primary: IF((„1-„3),0,0,‟B)

„A- (1-((„1-„2)/(„3-„2)))*100

„B- IF((„2-„1),100,100,‟A)

Where „1- START OCT VOL (CAPC), „2- IRRIG 0% REST (CAPC) and „3- IRRIG 100% REST (CAPC)

See Figure 5-8 for a process flow chart of this equation

ADD DRAW Restriction policy Demand Group 2

Policy set by carrier: ADD DRAW ALLOC

ADD DRAW ALLOC Variable capacity carrier, capacity set to:

Primary: IF((„1-„3),0,0,‟B)

„A- (1-((„1-„2)/(„3-„2)))*100

„B- IF((„2-„1),100,100,‟A)

Where „1- START OCT VOL (CAPC), „2- ADD DRAW 0% REST (CAPC) and „3- ADD DRAW 100% REST (CAPC)


Operating Manual



Wellington Storage volume on October 1

(irrigation) or 1st of Month (additional)

Is volume < 100% restriction volume?

Is volume > 0% restriction volume?

Allocation = 0%

Allocation = 100%

Calculate intermediate allocation (eqn ‘A)

No

Yes

Yes

No

Figure 5-8: The allocation calculation process for IRRIG ALLOC and ADD DRAW ALLOC.

Operating Manual



5.3.3. Layer Storage Modelling

Wellington Reservoir is modelled as a two-layer reservoir. The volume of each layer is tracked in an

accounting system as summarised in Table 5-8.

Table 5-8: Carriers used to model the volume of the two layers (top and bottom) of Wellington Reservoir (see Appendix A for information on how to read REALM carrier equations).


22 TOP LAYER INFS Inflows to the top layer of Wellington Reservoir (summer)


Capacity set to: IF(„1,0,‟2,0)

Where „1- SEASON FLAG (CAPC), „2- TOT WELL INFLOW (CAPC)

If the season flag is 0 (Summer- October to April) capacity equal to total inflows to Wellington Reservoir, otherwise 0

21 BOT LAYER INFS Inflows to the bottom layer of Wellington Reservoir (winter)


Capacity set to: IF((„1-1),0,„2,0)

Where „1- SEASON FLAG (CAPC), „2- TOT WELL INFLOW (CAPC)

If the season flag is 1 (Winter- May to September) capacity equal to total inflows to Wellington Reservoir, otherwise 0

13 TOP LAYER VOL Volume of the top layer of Wellington Reservoir, before the top layer minimum thickness check


Primary equation: IF((‟10-1),0,‟A,‟E)

„A- „9+‟2-„3-„7-„4-„8

„B- „1+‟2-„7-„4-„8

„C- „5+‟2-„3-„7-„4-„8

„D- IF((„6-5),‟C,‟B,‟C)

„E- IF((‟11-‟12),‟B,‟B,‟D)

Where „1- WELLINGTON RES (STOR), „2- TOP LAYER INFS (CAPC), „3- WELLINGTON RES (EVAP), ‟4- TOP LAYER SUPP (CAPC), „5- TOP END VOL (-CAP), „6- START MNTH FLAG (CAPC), „7- TOP LAYER SPILL (CAPC), „8- TOP SCOUR VOL (CAPC), „9- TOP START VOL (CAPC), 10- LINEAR (TME), ‟11- BOT LAYER SAL (-CAP) and ‟12- TOP LAYER SAL (-CAP)


94 TOP LAYER LEVEL

Level of the top of the top layer of Wellington Reservoir (in m AHD times 1000)



Where „1- BOT LAYER VOL (CAPC) and „2- TOP LAYER VOL (CAPC)

Transformation table used to transform volume to level in m AHD times 1000

Operating Manual




97 TOP END VOL Final volume of the top layer of Wellington Reservoir after consideration of the top layer minimum thickness criteria


Capacity set to: IF(((„5-„6)-„1),(‟3-„4),‟2,‟2)

Where „1- MIN TOP THICK (CAPC), „2- TOP LAYER VOL (CAPC), „3- WELLINGTON RES (ESTO), „4- BOT END VOL (CAPC), „5- TOP LAYER LEVEL (CAPC) and „6- BOT LAYER LEVEL (CAPC)

If the difference between the level of the top layer and the level of the bottom layer is less than the minimum top layer thickness criteria, volume set to the volume in Wellington Reservoir less BOT END VOL, otherwise the volume is as calculated by TOP LAYER VOL

15 BOT LAYER VOL Volume of the bottom layer of Wellington Reservoir, before the top layer minimum thickness check


Primary equation: IF((„8-1),0,‟B,‟F)

„A- „3+‟4+‟5

„B- „9+‟2-„A-„7-„12

„C- „6+‟2-„A-„7-12

„D- „2-„A-„7-„12

„E- IF((„1-5),‟C,‟D,‟C)

„F- IF((‟10-‟11),‟D,‟D,‟E)

Where „1- START MNTH FLAG (CAPC), „2- BOT LAYER INFS (CAPC), „3- BOT POWER SUPP (CAPC), „4- BOT IRR SUPP (CAPC), „5- BOT ADD SUPP (CAPC), „6- BOT END VOL (-CAP), „7- BOT SCOUR VOL (CAPC), „8- LINEAR (TIME), „9- BOT START VOL (CAPC), ‟10- BOT LAYER SAL (-CAP), ‟11- TOP LAYER SAL (-CAP) and ‟12- BOT LAYER SPILL (CAPC)


93 BOT LAYER LEVEL

Level of the top of the bottom layer of Wellington Reservoir (in m AHD times 1000)


Capacity set to: „1

Where „1- BOT LAYER VOL (CAPC)

Transformation table used to transform volume to level in m AHD times 1000

96 TOP MIN BOT VOL Volume of the bottom layer of Wellington Reservoir if the top layer is at minimum thickness


Capacity set to: „1-„2

Where „1- TOP LAYER LEVEL (CAPC) and „2- MIN TOP THICK (CAPC)

Calculates the volume of the top of the bottom layer of Wellington Reservoir if the top layer thickness is at the minimum thickness

Transformation table used to transform level (in m AHD times 1000) to volume

Operating Manual




98 BOT END VOL Final volume of the bottom layer of Wellington Reservoir after consideration of the top layer minimum thickness criteria


Capacity set to: IF(((„4-„5)-„1),‟3,‟2,‟2)

Where „1- MIN TOP THICK (CAPC), „2- BOT LAYER VOL (CAPC), „3- TOP MIN BOT VOL (CAPC), „4- TOP LAYER LEVEL (CAPC) and „5- BOT LAYER LEVEL (CAPC)

If the difference between the level of the top layer and the level of the bottom layer is less than the minimum top layer thickness criteria, volume set to TOP MIN BOT VOL (the volume of the bottom layer if the top layer is at minimum thickness), otherwise the volume is as calculated by TOP LAYER VOL

Does time step = 1?

Is bottom layer salinity > top layer salinity

Is date = May 1

Calculate volume using mass balance (eqn ‘C)

Calculate volume using start storage from system

parameters (eqn ‘A)

Layers mix, all volume becomes top layer

Calculate volume using eqn ‘B

No

Yes

Yes

Yes

No

No

Figure 5-9: The top layer volume calculation process (TOP LAYER VOL).

Operating Manual



Does time step = 1?


Is date = May 1

Calculate volume using mass balance (eqn ‘C)


parameters (eqn ‘B)

Layers mix, bottom layer volume equals inflows

Calculate volume using eqn ‘D

No

Yes

Yes

Yes

No

No

Figure 5-10: The bottom layer volume calculation process (BOT LAYER VOL).

Operating Manual



5.3.4. Layer Salinity Modelling

Wellington Reservoir is modelled as a two-layer reservoir. The salinity of each layer is tracked in

two accounting carriers as summarised in Table 5-9.

Changes in salinity of the layers of Wellington Reservoir between time-steps are often small (less

than one), as REALM converts the carrier value to an integer for the linear program the change in

salinity may be lost due to rounding. The impacts of this rounding can accumulate to large volumes

over time. To overcome this issue, layer salinity is calculated in mg/L times 1000.

Table 5-9: Carriers used to model the salinity of the two layers (top and bottom) of Wellington Reservoir (see Appendix A for information on how to read REALM carrier equations).

Carrier Description

24 INFS SALINITY Salinity of the inflows to Wellington Reservoir


Primary equation: IF(„D,0,0,((„A+‟B+‟C)/‟D))

„A- („1*(„5/1000))*(„6*(‟6/1000))

„B- („3*(„7/1000))*(„4*(‟8/1000))

„C- („9+‟10)*(„11/1000)

„D- („1*(„5/1000))+(„3*(„7/1000))+(„9+‟10)

Where „1- COLLIE INFLOW (STRM), „2- COLLIE SALINITY (STRM), „3- LOCAL INFLOWS (STRM), „4- LOCAL SALINITY (STRM), „5- COLLIE INF ADJ (CAPC), „6- COLLIE SAL ADJ (CAPC), „7- LOCAL INF ADJ (CAPC), „8- LOCAL SAL ADJ (CAPC), „9- HARRIS REL (FLOW), ‟10- HARRIS SPILL (FLOW), and ‟11- HARRIS SAL 1000 (CAPC)

Calculates the flow weighted salinity of inflows to Wellington Reservoir, including consideration of flow and salinity factors

Operating Manual



Carrier Description

14 TOP LAYER SAL 1000

Salinity of the top layer of Wellington Reservoir in mg/L times 1000


Primary equation: IF(‟12,0,0,‟F)*1000

„A- ((„10*‟11)+(„6*‟7))/(„10+‟6-„8)

„B- ((„2*(‟3/1000))+(„4*‟5)+(„6*‟7))/(„2+‟4+‟6-„8)

„C- ((„2*(„3/1000))+(„6*‟7))/(„2+‟6-„8)

„D- IF((„1-5),‟C,‟B,‟C)

„E- IF((„5-(„3/1000)),‟B,‟B,‟D)

„F- IF((„9-1),0,‟A,‟E)

Where „1- START MNTH FLAG (CAPC), „2- TOP END VOL (-CAP), „3- TOP LAYER SAL 1000 (-CAP), „4- BOT END VOL (-CAP), „5- BOT LAYER SAL (-CAP), „6- TOP LAYER INFS (CAPC), „7- INFS SALINITY (CAPC), „8- WELLINGTON RES (EVAP), „9- LINEAR (TIME), ‟10- TOP START VOL (CAPC), ‟11- TOP START SAL (CAPC), ‟12- TOP LAYER VOL (CAPC)


42 TOP LAYER SAL Salinity of the top layer of Wellington Reservoir in mg/L


Capacity set to „1/1000

Where „1- TOP LAYER SAL 1000 (CAPC)

16 BOT LAYER SAL 1000

Salinity of the bottom layer of Wellington Reservoir in mg/L times 1000


Primary equation: IF(‟10,0,0,‟E)*1000

„A- IF((„7+‟5),0,0,(((„7*‟8)+(„5*‟2))/(„7+‟5)))

„B- IF((„3+‟5),0,0,(((„3*(„4/1000))+(„5*‟2))/(„3+‟5)))

„C- IF((„1-5),‟B,‟2,‟B)

„D- IF(((„4/1000)-‟9),‟2,‟2,‟C)

„E- IF((„6-1),0,‟A,‟D)

Where „1- START MNTH FLAG (CAPC), „2- INFS SALINITY (CAPC), „3- BOT END VOL (-CAP), BOT LAYER SAL 1000 (-CAP), „5- BOT LAYER INFS (CAPC), „6- LINEAR (TIME), „7- BOT START VOL (CAPC), „8- BOT START SAL (CAPC), „9- TOP LAYER SAL (-CAP) and ‟10- BOT LAYER VOL (CAPC)


43 BOT LAYER SAL Salinity of the bottom layer of Wellington Reservoir in mg/L


Capacity set to: „1/1000

Where „1- BOT LAYER SAL 1000 (CAPC)

99 WELL RES SAL Combined salinity of Wellington Reservoir in mg/L


Capacity set to: ((„1*‟2)+(„3*‟4))/(„1+‟3)

Where „1- TOP END VOL (CAPC), „2- TOP LAYER SAL (CAPC), „3- BOT END VOL (CAPC) and „4- BOT LAYER SAL (CAPC)

Operating Manual



Does time step = 1?


Is date = May 1

Calculate salinity using mass balance (eqn ‘C)



Layers mix, all volume becomes top layer

Calculate volume using eqn ‘B

No

Yes

Yes

Yes

No

No

Is the volume of the top layer >0

Salinity = 0

Yes

No

Figure 5-11: The top layer salinity calculation process (TOP LAYER SAL 1000).

Operating Manual



Does time step = 1?


Is date = May 1

Calculate salinityusingmass balance (eqn ‘B)



Layers mix, bottom layer volume (and thus salinity)

equal to inflows

No

Yes

Yes

Yes

No

No

Is the volume of the bottom layer >0

Salinity = 0

Yes

No

Figure 5-12: The bottom layer salinity calculation process (BOT LAYER SAL 1000).

Operating Manual



5.3.5. Demand Source, Salinity and Spill Modelling

Demands supplied from Wellington Reservoir may be supplied from the top layer, the bottom layer

or a mixture of both depending on the location of the layer interface relative to the offtake. A series

of carriers are used to track which layer is used to supply each demand and the salinity of the supply

as summarised in Table 5-10.

Table 5-10: Carriers used to model the source (top or bottom layer) and salinity of demands on Wellington Reservoir (see Appendix A for information on how to read REALM carrier equations).

Carrier Description

17 BOT POWER SUPP

Supply to Western Power from the bottom layer of Wellington Reservoir

Variable capacity equation, capacity set to:

Primary equation- IF(„A,0,0,‟D)

„A- IF((„6-1),0,(„5+‟4),(„1+‟4))

„B- MIN((„A-„3),‟2)

„C- IF(((„A-„2)-„3),‟2,‟2,‟B)

„D- IF((„A-„3),0,0,‟C)

Where „1- BOT END VOL (-CAP), „2- POWER SUPP (FLOW), „3- WELL LOW OFFTAKE (CAPC), „4- BOT LAYER INFS (CAPC), „5- BOT START VOL (CAPC) and „6- LINEAR (TIME)


18 BOT IRR SUPP Supply to the irrigation demand from the bottom layer of Wellington Reservoir



„A- IF((„6-1),0,(„7+‟2),(„1+‟2))

„B- MIN((„A-„5-„4),‟3)

„C- IF(((„A-„3-„5)-„4),‟3,‟3,‟B)

„D- IF((„A-„4),0,0,‟C)

Where „1- BOT END VOL (-CAP), „2- BOT LAYER INFS (CAPC), „3- IRRIGATION SUPP (FLOW), „4- WELL UP OFFTAKE (CAPC), „5- BOT POWER SUPP (CAPC), „6- LINEAR (TIME) and „7- BOT START VOL (CAPC)


Operating Manual



Carrier Description

19 BOT ADD SUPP Supply to the additional draw from the bottom layer of Wellington Reservoir



„A- IF((„6-1),0,(„7+‟2),(„1+‟2))

„B- MIN((„A-„5-‟8-„4),‟3)

„C- IF(((„A-„3-„5-„8)-„4),‟3,‟3,‟B)

„D- IF((„A-„4),0,0,‟C)

Where „1- BOT END VOL (-CAP), „2- BOT LAYER INFS (CAPC), „3- ADD DRAW SUPP (FLOW), „4- WELL LOW OFFTAKE (CAPC), „5- BOT POWER SUPP (CAPC), „6- LINEAR (TIME), „7- BOT START VOL (CAPC) and „8- BOT IRR SUPP (CAPC)


20 TOP LAYER SUPP Supply to demands (Western Power, irrigation and additional draw) from the top layer of Wellington Reservoir


Capacity set to: („1+‟2+‟3)-(„4+‟5+‟6)

Where „1- POWER SUPP (FLOW), „2- IRRIGATION SUPP (FLOW), „3- ADD DRAW SUPP (FLOW), „4- BOT POWER SUPP (CAPC), „5- BOT IRR SUPP (CAPC) and „6- BOT ADD SUPP (CAPC)

Supply from the top layer calculated as the total demand less the volume supplied from the bottom layer

58 POWER SAL Salinity of the supply to Western Power


Capacity set to: IF(„3,0,0,(((„1*‟2)+((„3-„1)*‟4))/‟3))

Where „1- BOT POWER SUPP (CAPC), „2- BOT LAYER SAL (CAPC), „3- POWER SUPP (FLOW) and „4- TOP LAYER SAL (CAPC)

Flow weighted salinity calculated based on the mix of supply from the top and bottom layers

59 IRRIG SAL Salinity of the supply to the irrigation demand



Where „1- BOT IRR SUPP (CAPC), „2- BOT LAYER SAL (CAPC), „3- IRRIGATION SUPP (FLOW) and „4- TOP LAYER SAL (CAPC)


60 ADD DRAW SAL Salinity of the supply to the additional draw



Where „1- BOT ADD SUPP (CAPC), „2- BOT LAYER SAL (CAPC), „3- ADD DRAW SUPP (FLOW) and „4- TOP LAYER SAL (CAPC)


Operating Manual



Carrier Description

90 TOP LAYER SPILL Spill from the top layer of Wellington Reservoir


Capacity set to: MIN(„1,(„2+‟3-„4-„5))

Where „1- WELL SPILL (FLOW), „2- TOP END VOL (-CAP), „3- TOP LAYER INFS (CAPC), „4- TOP LAYER SUPP (CAPC) and „5- TOP SCOUR VOL (CAPC)

Spill from the top layer equal to the full spill volume up to the volume of the top layer

91 BOT LAYER SPILL Spill from the bottom layer of Wellington Reservoir


Capacity set to: „1-„2

Where „1- WELL SPILL (FLOW) and „2- TOP LAYER SPILL (CAPC)

Spill from the bottom layer equal to the total spill volume less what can be supplied from the top layer

62 SPILL SAL Salinity of the spill from Wellington Reservoir


Capacity set to: IF(„1,0,0,(((„2*‟3)+(„4*‟5))/‟1))

Where „1- WELL SPILL (FLOW), „2- TOP LAYER SPILL (CAPC), „3- TOP LAYER SAL (CAPC), „4- BOT LAYER SPILL (CAPC) and „5- BOT LAYER SAL (CAPC)


23 WELL REL SAL Salinity of releases from Wellington Reservoir


Primary equation- IF(„A,0,0,(((„B*‟2)+(„C*‟6))/”A))

„A- „1+‟3+‟4+‟5+‟7+‟8+‟9+‟10

„B- „1+‟7+‟9

„C- „3+‟4+‟5+‟8+‟10

Where „1- TOP LAYER SUPP (CAPC), „2- TOP LAYER SAL (CAPC), „3- BOT POWER SUPP (CAPC), „4- BOT IRR SUPP (CAPC), „5- BOT ADD SUPP (CAPC), „6- BOT LAYER SAL (CAPC), „7- TOP SOCUR VOL (CAPC), „8- BOT SCOUR VOL (CAPC), „9- TOP LAYER SPILL (CAPC) and ‟10- BOT LAYER SPILL


Operating Manual



Does time step = 1?

Calculate current bottom volume using

start volume from system parameters Is current bottom

volume >0?

Is current bottom volume > offtake

Calculate current bottom volume using

mass balance

Is current bottom volume + demand

> offtake

Bottom layer supp =

volume above the offtake

Bottom layer supp = 0

Bottom layer supp = demand

Yes

Yes

Yes

YesNo

No

No

No

Figure 5-13: The bottom layer supply calculation process (BOT POWER SUPP, BOT IRRI SUPP and BOT ADD SUPP). Note the calculation of current bottom volume includes allowances for demands which have already been supplied from the bottom layer as appropriate.

Operating Manual



5.3.6. Scour Release Modelling

The release of water from Wellington Reservoir for scour is dependent on a number of complex rules

and trigger conditions. The calculation of releases for scour is undertaken in a series of carriers, as

described in Table 5-11.

Table 5-11: Carriers used to model the release of water for scour from Wellington Reservoir (see Appendix A for information on how to read REALM carrier equations).

Carrier Description

25 CUM INFLOWS Cumulative inflows to Wellington Reservoir since the start of the scour season (June to September)



Where „1- CUM INFLOWS (-CAP) and „2- COLLIE RIVER (FLOW)

Calculation option set to re-calculate for June to September, off (return 0) for all other months

26 CUM SCOUR Cumulative scour releases from Wellington Reservoir since the start of the scour season (June to September)



Where „1- CUM SCOUR (-CAP) and „2- WELL SCOUR REL (FLOW)


27 MAX MONTH SCOUR

Maximum volume of scour allowed for the month (in ML/day)


Primary equation: IF(„1,0,‟5,‟D)

„A- IF((„1-9),0,(MIN(„2,((„3-„4)/30))),0)

„B- IF((„1-8),0,(MIN(„2,((„3-„4)/31))),‟A)

„C- IF((„1-7),0,(MIN(„2,((„3-„4)/31))),‟B)

„D- IF((„1-6),0,‟2,‟C)

Where „1- START MNTH FLAG (CAPC), „2- MAX DAILY SCOUR (CAPC), „3- CUM INFLOWS (-CAP), „4- CUM SCOUR (-CAP) and „5- MAX MONTH SCOUR (-CAP)


Operating Manual



Carrier Description

28 SCOUR TRIGGER Checks the triggers to see if a scour event should occur (1 = yes, 0 = no)


Primary equation: IF((„D+‟B),0,0,(IF(„C,0,0,1)))

„A- IF(„4,0,(IF(„5,0,0,‟6)),‟1)

„B- IF(((„A-„2)-„8),0,1,1)

„C- IF(((„3+‟10-‟11)-„9),0,0,1)

„D- IF((„A-„7),0,1,1)

Where „1- BOT SAL @IT60 (CAPC), „2- TOP LAYER SAL (CAPC), „3- WELLINGTON RES (STOR), ‟4- BOT LAYER VOL (CAPC), „5- BOT LAYER INFS (CAPC), „6- INFS SALINITY (CAPC), „7- BOT SAL TRIG (CAPC), „8- SAL DIFF TRIG (CAPC), „9- MIN VOL 4 SCOUR (CAPC), ‟10- HARRIS RES (STOR) and „11- MIN VOL 2YR DROUGHT (CAPC)



29 MAX SCOUR VOL Maximum volume of scour for the time step


Primary equation: IF(„1,0,0,‟A)

„A- IF(((„2+‟5)-„3),‟4,‟4,(„3-„2))

Where „1- SCOUR TRIGGER (CAPC), „2- CUM SCOUR (-CAP), „3- CUM INFLOWS (-CAP), „4- MAX MONTH SCOUR (CAPC) and „5- MAX DAILY SCOUR

If the scour trigger is met, the maximum scour volume is the maximum scour volume for the month (MAX MONTH SCOUR) limited to the cumulative volume of inflows since the start of the scour season

30 BOT SCOUR VOL Volume of scour from the bottom layer of Wellington Reservoir


Primary equation: IF((„6-60),0,0,(IF(„1-„2,0,0,‟B)))

„A- IF(((„3-(MIN(„4,‟5)))-„7),0,0,(MIN(„4,‟5)))

„B- IF((„3-„7),0,0,‟A)

Where „1- BOT SAL @IT60 (CAPC), „2- TOP LAYER SAL (CAPC), „3- WELLINGTON RES (STOR), ‟4- MAX SCOUR VOL (CAPC), „5- BOT VOL IT60 (CAPC), „6- ITERATION (TIME) and „7- MIN WELL VOL (CAPC)

If the bottom layer salinity is greater than the top layer salinity and there is sufficient volume in storage, the bottom scour volume is equal to the maximum scour volume (MAX SCOUR VOL) limited to the volume of the bottom layer

Operating Manual



Carrier Description

31 TOP SCOUR VOL Volume of scour from the top layer of Wellington Reservoir


Primary equation- IF((„5-60),0,0,(IF((„1-„6),0,0,‟C)))

„A- „4-„3

„B- IF((„3-„4),‟A,0,0)

„C- IF((„2-„7),0,‟B,‟B)

Where „1- WELLINGTON RES (STOR), „2- TOP LAYER SAL (CAPC), „3- BOT SCOUR VOL (CAPC), „4- MAX SCOUR VOL (CAPC), „5- ITERATION (TIME), „6- MIN WELL VOL (CAPC) and „7- TOP SAL 4 SCOUR (CAPC)

If there is sufficient volume in storage and the top layer salinity is greater than or equal to the minimum top layer salinity for scour, the top scour volume is equal to the volume of scour not released from the bottom layer

37 BOT VOL IT60 Volume of the bottom layer of Wellington Reservoir at iteration 60 (held for the remainder of the iterations)


Capacity set to: IF((„1-60),0,‟2,0)

Where ;1- ITERATION (TIME) and „2- BOT LAYER VOL (CAPC)

Add previous flow solution to capacity selected (requires flow input)

Calculates the volume in the bottom layer of Wellington Reservoir from iteration 60 and holds for the remainder of the iterations (zero until iteration 60). Used for model stabilisation for the calculation of scour releases

88 BOT SAL @IT60 Salinity of the bottom layer of Wellington Reservoir at iteration 60 (held for the remainder of the iterations)


Capacity set to: IF((„1-60),0,‟2,0)

Where „-1 ITERATION (TIME) and „2- BOT LAYER SAL (CAPCI)

Add previous flow solution to capacity selected (requires flow input)

Calculates the salinity of the bottom layer of Wellington Reservoir from iteration 60 and holds for the remainder of the iterations (zero until iteration 6). Used for model stabilisation for the calculation of scour releases

61 SCOUR SAL Salinity of scour releases Variable capacity carrier

Capacity set to: IF((„1+‟3),0,0,(((„1*‟2)+(„3(„4))/(„1+‟3)))

Where „1- BOT SCOUR VOL (CAPC), „2- BOT LAYER SAL (CAPC), „3- TOP SCOUR VOL (CAPC) and „4- TOP LAYER SAL (CAPC)


Operating Manual



Is the day the 1st

day of the month

Is month July, August or

September?

Scour volume = 0

Is month June?

Scour volume = volume calculated

for the previous day

Scour volume = maximum daily scour volume

Scour volume = maximum daily scour volume or the difference between cumulative inflows and cumulative

scour divided by the number of days in the month, whichever is less

No

Yes

No

No

Yes

Yes

Figure 5-14: The maximum daily scour release calculation process (MAX DAILY SCOUR).

Bottom layer salinity

Top layer salinity

Is bottom layer salinity >= bottom

salinity trigger?

Is layer salinity difference >= salinity

difference trigger?No Scour

Is combined Wellington and Harris storage less a 2 year

drought reserve > min volume for scour trigger?

Scour

No

Yes

No

No

Yes

Yes

Figure 5-15: The scour trigger calculation process (SCOUR TRIGGER).

Operating Manual



5.4. Harris System Accounting Configuration

5.4.1. Harris Salinity Modelling

Harris Reservoir is modelled as a single-layer storage. The volume of Harris reservoir is tracked in

the physical system (Section 5.1) and the salinity is calculated in two carriers, summarised in Table

5-12.

Changes in salinity of Harris Reservoir between time-steps are often small (less than one). However,

REALM converts carrier values to integers before applying the network linear programming

algorithm to optimise the water allocation for each time-step of the simulation period. Therefore,

small changes in modelled salinity may be lost due to rounding. The impacts of this rounding can

accumulate over time to give large errors in modelled salnity. To overcome this issue, Harris

Reservoir salinity is calculated in mg/L times 1000.

Table 5-12: Carriers used to model Harris Reservoir salinity (see Appendix A for information on how to read REALM carrier equations).

Carrier Description

72 HARRIS SAL 1000 Salinity of Harris Reservoir in mg/L times 1000


Capacity set to:

Primary equation: IF((„7-1),0,‟B,‟C)*1000

„A- „4*(„5/1000)

„B- ((„1*‟6)+(„3*‟A))/(„1+‟3-„8)

„C- ((„1*(„2/1000))+(„3*‟A))/(„1+‟3-„8)

Where „1- HARRIS RES (STOR), „2- HARRIS SAL 1000 (-CAP), „3- HARRIS INFS (FLOW), „4- HARRIS SALINITY (STRM), „5- HARRIS SAL ADJ (CAPC), „6- HARRIS START SAL (CAPC), „7- LINEAR (TIME), and „8- HARRIS RES (EVAP)

The primary equation checks if it is the first time step of the model. If it is the salinity balance is performed using the Harris Reservoir start salinity from in system parameters, otherwise the balance is performed using Harris Reservoir salinity in the previous time step

73 HARRIS SALINITY Salinity of Harris Reservoir in mg/L


Capacity set to: „1/1000

Where „1- HARRIS SAL 1000 (CAPC)

Operating Manual



5.4.2. Harris Release Modelling

Releases can be made from Harris Reservoir to mitigate salinity issues in Wellington Reservoir,

provided the releases will do not cause Harris Reserovir to go below set thresholds (such as

minimum storage). The carriers used to model such the releases from Harris Reservoir are

summarised in Table 5-13.

Table 5-13: Carriers used to model salinity mitigation releases from Harris Reservoir (see Appendix A for information on how to read REALM carrier equations).


77 WELL SEP VOL Volume in Wellington Reservoir on the 1

st of

September


Capacity set to: IF(„1,0,‟2,‟3)

Where „1- START MNTH FLAG (CAPC), „2- WELL SEP VOL (-CAP), and „3- WELLINGTON RES (STOR)

Calculation option- set to re-calculate for September, off for all other months

On the 1st of September, equation will return the

volume in Wellington Reservoir, for the remainder of September the volume will be held at this value. From the 1

st of October, the calculation will switch

off (return 0) until the next September.

78 HARRIS OCT VOL Volume in Harris Reservoir on the 1

st of October


Primary equation: IF(„1,0,‟2,‟A)

„A: IF((„1-10),0,‟3,‟2)

Where „1- START MNTH FLAG (CAPC), „2- HARRIS OCT VOL (-CAP), and „3- HARRIS RES (STOR)

Calculation option- set to re-calculate for October and November, off for all other months.

On the 1st of October, equation will return the

volume in Harris Reservoir, for the remainder of the calculation period the volume will be held at this value. From the 1

st of December, the

calculation will switch off (return 0) until the next October.

79 WELL OCT VOL Volume in Wellington Reservoir on the 1

st of

October


Primary equation: IF(„1,0,‟2,‟A)

„A: IF((„1-10),0,‟3,‟2)

Where „1- START MNTH FLAG (CAPC), „2- WELL OCT VOL (-CAP), and „3- WELLINGTON RES (STOR)

Calculation option- set to re-calculate for October and November, off for all other months.

On the 1st of October, equation will return the

volume in Wellington Reservoir, for the remainder of the calculation period the volume will be held at this value. From the 1

st of December, the

calculation will switch off (return 0) until the next October.

Operating Manual




75 HARRIS SEP REL Possible volume of release from Harris Reservoir in September


Primary equation: IF((„1-„3),‟A,‟A,0)

„A- IF((„2-„4),0,‟5,‟5)

Where „1- WELL SEP VOL (CAPC), „2- WELL RES SAL (-CAP), „3- STOR 4 REL SEP (CAPC), „4- SAL 4 REL SEP (CAPC) and „5- HARRIS MAX REL (CAPC)

Calculation option- set to re-calculate for September, off for all other months


76 HARRIS O&N REL Possible volume of release from Harris Reservoir in October and November


Primary equation: IF((„1-„2),0,‟E,‟E)

„A- („3-„4)/61

„B- ((„5-„6)/(„7-„6))*‟B

„C- IF((„7-„5),0,‟B,‟B)

„D- IF((„5-„6),‟A,‟C,‟C)

„E- IF((„3-„4),0,‟D,‟D)

Where „1- WELL RES SAL (-CAP), „2—SAL 4 REL O&N (CAPC), „3- HARRIS OCT VOL (CAPC), „4- MIN STOR 4 REL O&N (CAPC), „5- WELL OCT VOL (CAPC), „6- STOR 4 MAX REL (CAPC), „7- STOR 4 NO REL (CAPC)

Calculation option set to re-calculate for October and November, off for all other months

Calculation option- set to re-calculated for October and November, off for all other months


Operating Manual



Wellington Reservoir Storage Volume (1st

September)

Wellington Reservoir Salinity (current

time-step)

Is volume =< storage trigger

Is salinity >= salinity trigger

MAX HARRIS REL

No Release

Yes

No

No

Yes

Figure 5-16: The September salinity mitigation release calculation process (HARRIS SEP REL).

Wellington Reservoir Salinity (current time-

step)

Wellington Reservoir Storage Volume (1st

October)

Is salinity > salinity trigger?

Harris Reservoir Storage Volume (1st

October)

Is volume > minimum storage for

release

Is volume < storage for maximum

release

Is volume > storage for no

release

Calculate maximum

release (eqn ‘A)

Calculate intermediate

release (eqn ‘B)

No Release

Yes

Yes

Yes

Yes

No

No

No

No

Figure 5-17: The October and November salinity mitigation release calculation process

(HARRIS O&N REL).

Operating Manual



6. Running the Model

One scenario of the combined Wellington and Harris Reservoirs System has been provided with this

user manual. The set up for scenario run is summarised in Table 6-1, while the details of the set file

(REALM.set) are summarised in Table 6-2.

Table 6-1: REALM model set up for the provided scenario.

Component Comment

Scenario file WH05.scn

Log file WH05.log

Implement restrictions Selected

Assemble summary data Selected

Perform water quality calcs Not selected*

Limit instream req‟s to natural flows Not selected

Dump LP diagnostics Can be selected for debugging

Simulation period- start date Season 1, year 1975

Simulation period- end date Season 365, year 2001

System file Wellington&Harris15.sys

Flow input files Well&Harr_LinkedModel_Inflows.sf

Well&Harr_LinkedModel_Salinity.sf

Well&Harr_LinkedModel_Climate.sf

Demand inputs files Well&Harr_LinkedModel_Demands

Initial reservoir volumes WELLINGTON RES- 169,344

HARRIS RES- 68,504

* Water quality modelling in the Wellington and Harris Reservoirs REALM model is undertaken in accounting

carriers rather than the physical system due to the complexity of the two layer salinity structure of Wellington

Reservoir. “Perform water quality cals” should not be selected.

Operating Manual



Table 6-2: Set file set up for the provided scenario.

Tab Component Comment

Time Step Time step Daily

If restrictions on, apply each time step Selected

Process leap years Selected

Formats Utility format F12.0 (default appropriate)

Simulation format F12.0 (default appropriate)

Input streamflow and demand data Select „round down‟

Convergence / Iteration Maximum iteration count 99

Minimum iteration count 99

Storage convergence (%/10) 50

Other convergence (%) 5

Arc convergence (abs) 50

Do convergence twice Not selected

Dynamic Memory Default settings are appropriate

Files / Output Default settings are appropriate

Water Quality Name and Save No input required

Operating Manual



7. References

Department of Water, 2009, Request for Quote: Development of a two-reservoir daily water balance

model for the Harris and Wellington Reservoirs, Quotation number: DOW 039-2009.

Operating Manual



Appendix A Reading REALM Carrier Equations

Information in this Appendix was sourced from an early version of the REALM user manual:

Resource Allocation Model, REALM- User Manual (SKM, 1999). Note the information in the

Appendix provides an overview of how to read (and write) REALM carrier equations, but does not

cover the complete range of variables or functions available.

Functions that can be used

Symbol Description Example of Use

+ Addition „1+‟2

- Subtraction „1-„2

/ Division „1/„2

* Multiplication „1*‟2

^ Raising to the power „1^‟2

( ) Brackets „1+(„2*‟3)

! User comment „1+‟2 !user comment

EXP Exponential EXP(„1)

LN Natural log LN(„1)

LOG10 Log to the base 10 LOG10(„1)

ABS Absolute value ABS(„1+‟2)

MIN Minimum MIN(„1,‟2,‟5)

MAX Maximum MAX(„1,(„2+‟5))

SQRT Square root SQRT(„1)

MOD Remainder MOD(„1/‟2)

COS Trigonometric function COS(„1)

SIN Trigonometric function SIN(„1)

TAN Trigonometric function TAN(„1)

RND Generate random number between 0 and 1 RND(0)

IF Test that returns alternate solutions IF((test),(value if negative),(value if zero),(value if positive))

P1 Returns 1 for a positive answer (0 for negative) P1(„1+‟2-„3)

N1 Returns 1 for a negative answer (0 for positive) N1(„1+‟2-„3)

INT Converts a real number to an integer INT(„1/‟2)

NINT Converts an integer back to a real number NINT(„1+‟2)

MNTH Returns a value corresponding with a month of the year

MTH(1,2,3,4,5,6,7,8,9,10,11,12)

Operating Manual



Variables that can be references

Variable Type/ Name Reference Description

Reservoir Variables / Reservoir Name

STOR Storage volume at the start of the time step

ESTO Storage volume at the end of the time step

LVLS Storage level at the start of the time step

ELVL Storage level at the end of the time step

INFW Storage inflow (from an external file)

TARG Storage target

AWAT Available water

SPILL Storage spill

RELS Storage releases

RVSA Flow in the spill arc (external) for debugging

EVAP Net evaporation from the reservoir

Demand Variables / Demand Node Name

UNRS Unrestricted demand

REST Restricted demand

SHRT Demand shortfall

RATN Rationed demand

LVLS Demand restriction level / allocation

SUPP Supplied demand

-DEM Unrestricted demand in the previous time step

-LVL Demand restriction level / allocation in the previous time step

-SHT Demand shortfall in the previous time step

Arc Variables / Arc Name

FLOW Flow in arc

CAPC Capacity of arc

LOSS Loss in arc

-FLO Flow in the previous time step

-CAP Capacity in the previous time step

-LOS Loss in the previous time step

Summing Variables / Arc Name

RFxx Sum of flow in the arc over the previous xx time steps (does not include the current time step)

RCxx Sum of capacity of the arc over the previous xx times steps (does not include the current time step)

AFxx xx = 1 to 12. Sums flow from month xx up to but not including the current month.

ACxx xx = 1 to 12. Sums capacity from month xx up to but not including the current month.

Previous Value Variables/ Arc Name

@xxx Capacity of the arc at xxx time steps previous

~xxx Flow of the arc at xxx time steps previous

Node Inflow Data / Node Name

INFW Inflow to a node from an external data file

Input File Data / Input Name

DEMD Demand from an external data file

STRM Flow from an external data file

Operating Manual



Variable Type/ Name Reference Description

Numbers / Integer NUMB Any (integer) number

TIME YEAR TIME Returns the current year

SEASON Returns the current season (month, week or day)

CURRENT MONTH

Returns the current month

LINEAR Returns time step since the first time step

ITERATION Returns iteration number of the time step

Key Words

TOTAL STORAGE

STOR Sum of all storage in the model at the start of the time step

ESTO Sum of all storage in the model at the end of the time step

TOTAL DEMAND

UNRS Sum of all unrestricted demands in the model

REST Sum of all restricted demands in the model

SUPP Sum of all supplied demands in the model

Order of calculations

One of the most important things to remember when reading or writing REALM equations is that in

REALM equations are evaluated from left to right- BODMAS is not used. It is recommended to use

lots of brackets to ensure the equation calculates as intended.

For example:

Additionally, commas cannot appear in front of a function within an equation. This will return an

error.

For example:

will return an error, but

will work.

Operating Manual



Appendix B System Listing

Operating Manual



___________________________________________________________

___________________________________________________________

R E A L M

___________________________________________________________

****************************

* SYSTEM FILE LISTING *

****************************

File: I:\VWES\Projects\VW04701\Technical\3_Harris Reservoir REALM\2_Model Runs\Final Run V6.01\Wellington&Harris17.sys

Simulation label:

Date: 12:42 01/04/2010

-------------------------------

| NODE INFORMATION |

-------------------------------

---------------------------------------------------------------------------------------------------------

No Name Type X Y Z Size Aux Input No

---------------------------------------------------------------------------------------------------------

1 WELLINGTON RES Reservoir 48.00 49.87 0.00 4.00 1

Comment: Minimum storage set in MIN WELL VOL. Offtake levels set in WEL LOW OFFTAKE and W

2 COLLIE RIVER INF Strm junction 46.88 70.25 0.00 2.00 COLLIE RIVER 2

3 A9 Strm junction 83.95 36.59 0.00 2.00 3

4 WESTERN POWER Demand 36.76 44.56 0.00 2.00 4

5 D/S WELL RES Strm junction 54.17 38.07 0.00 2.00 5

6 ST Strm terminator 63.52 27.18 0.00 2.00 6

7 A1 Strm junction 76.66 89.04 0.00 2.00 7

8 A2 Strm junction 82.03 89.30 0.00 2.00 8

9 A3 Strm junction 77.15 70.24 0.00 2.00 9

10 A4 Strm junction 87.72 69.89 0.00 2.00 10

11 A5 Strm junction 82.03 46.76 0.00 2.00 11

Operating Manual



12 A6 Strm junction 89.59 46.24 0.00 2.00 12

13 A8 Strm terminator 88.60 46.03 0.00 2.00 13

14 IRRIGATION Demand 38.25 39.76 0.00 2.00 14

15 ADDITIONAL DRAW Demand 41.14 37.16 0.00 2.00 15

16 A7 Strm junction 83.23 46.50 0.00 2.00 BOT VOL IT60 16

17 SJ1 INPUTS Strm junction 5.22 87.10 0.00 2.00 17


19 HARRIS RES Reservoir 36.06 75.68 0.00 4.00 19

Comment: Minimum storage set in HARRIS MIN. Offtake levels set in HARRIS OFFTAKE.


21 SJ 5 INPUTS Strm junction 10.19 61.29 0.00 2.00 21

22 GSTWS HARRIS Demand 30.39 71.01 0.00 2.00 22

23 OTHER HARRIS Demand 33.08 66.47 0.00 2.00 23

24 HARRIS Strm junction 36.06 88.13 0.00 2.00 HARRIS INFS 24

25 UNUSED N3 Strm terminator 92.14 7.96 0.00 1.00 25

26 A10 Strm junction 88.69 36.12 0.00 2.00 26

27 UNUSED N1 Strm junction 86.50 8.11 0.00 1.00 27

28 UNUSED N2 Strm junction 90.58 7.98 0.00 1.00 28

29 HARRIS COLLIE JUN Strm junction 44.68 60.65 0.00 2.00 29

30 A11 Strm junction 83.19 44.22 0.00 2.00 BOT SAL @IT60 30

Reservoir data:

No Name Min Max No No Spill

Cap Cap Above Below Type

----------------------------------------------------------------------

1 WELLINGTON RES 0 184916 1 1 Downstream

19 HARRIS RES 0 71508 1 1 Downstream

Reservoir evaps: (if A=B=0 evaps not calculated!)

No Name NET EVAP = (A + B * EVAPORATION) - RAINFALL

--------------------------------------------------------------------------------------------------------------

1 WELLINGTON RES 0.000 0.900 WELLINGTON EVAP WELLINGTON RAIN

19 HARRIS RES 0.000 0.900 WELLINGTON EVAP WELLINGTON RAIN

No Name Surface area/volume relationships

pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10

--------------------------------------------------------------------------------------------------------------

1 WELLINGTON RES Vol 0 8493 15678 28131 38149 54093 91952 123881 168447 184916

Operating Manual



Area 0 232 361 512 600 731 1000 1212 1500 1610

19 HARRIS RES Vol 0 2605 6545 9200 14751 20720 23431 29691 43443 71508

Area 0 95 180 229 304 371 405 492 658 958

No Name Levels/volume relationships

pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10 pt11 pt12 pt13

pt14 pt15

--------------------------------------------------------------------------------------------------------------

1 WELLINGTON RES Vol 0 1035 8493 15687 19750 23959 28131 38149 54093 70697 91952 123881 148373

168477 184916

Lvl 135.16 139.75 145.45 147.85 148.90 149.85 150.70 152.50 154.90 157.00 159.30 162.20 164.10

165.50 166.56

19 HARRIS RES Vol 0 886 2605 4076 6545 9200 12077 14751 18048 20720 23431 29691 36075

43443 71508

Lvl 199.00 204.70 207.45 208.75 210.35 211.65 212.80 213.73 214.75 215.50 216.20 217.60 218.80

220.00 223.50

Demand data:

No Name No S/F Monthly Factors

Bypass Priority Jan Feb Mar Apl May Jun Jul Aug Sep Oct Nov Dec

--------------------------------------------------------------------------------------------------------------------------------

4 WESTERN POWER 1 1 min 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

max 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.000

14 IRRIGATION 1 1 min 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

max 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.000

15 ADDITIONAL DRAW 1 1 min 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

max 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.000

22 GSTWS HARRIS 1 1 min 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

max 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.000

23 OTHER HARRIS 1 1 min 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000

max 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 1.000

Operating Manual



-------------------------------

| CARRIER INFORMATION |

-------------------------------

------------------------------------------------------------------------------------------------------------------------------

No Name Type From To Cost Offset Loss Ann Vol Shr Gp Shr% No

------------------------------------------------------------------------------------------------------------------------------

1 COLLIE RIVER River 2 29 -56000000 0 0fix 0 0% 1

Comment: Combined inflows to Wellington Reservoir (Collie River plus local inflows does n

2 UNUSED 2 Pipe 27 28 0 0 0fix 0 0% 2

3 POWER SUPP Pipe 1 4 0 0 0fix 0 0% 3

Comment: Supply to Western Power from Wellington Reservoir

4 IRRIGATION SUPP Pipe 1 14 0 0 0fix 0 0% 4

Comment: Supply to irrigation demands

5 ADD DRAW SUPP Pipe 1 15 0 0 0fix 0 0% 5

Comment: Supply to Additional draw from Wellington Reservoir

6 D/S WELL RES River 5 6 0 0 0fix 0 0% 6

Comment: Total flow downstream of Wellington Reservoir

7 WELL SPILL River 1 5 0 0 0fix 0 0% 7

Comment: Spills from Wellington Reservoir

8 WELL ENV REL Pipe 1 5 -56000000 0 0fix 0 0% 8

Comment: Environmental releases from Wellington Reservoir - currently set to 0 ML for eve

9 START OCT VOL Pipe 7 8 0 0 0fix 0 0% 9

Comment: Returns the Wellington Reservoir volume in storage (ML) on the first day of Octo

10 IRRIGATION ALLOC Pipe 7 8 0 0 0fix 0 0% 10

Comment: Irrigation allocation. Update targets if this carrier is changed.

11 START MONTH VOL Pipe 7 8 0 0 0fix 0 0% 11

Comment: Returns the Wellington Reservoir volume in storage (ML) on the first day of the

12 ADD DRAW ALLOC Pipe 7 8 0 0 0fix 0 0% 12

Comment: Additional draw allocation. Update targets if this carrier is changed.

13 TOP LAYER VOL Pipe 9 10 0 0 0fix 0 0% 13

Comment: Volume of the top layer of Wellington Reservoir (ML) before top layer minimum th

14 TOP LAYER SAL 1000 Pipe 9 10 0 0 0fix 0 0% 14

Comment: SALINITY OF THE TOP LAYER OF WELLINGTON RESERVOIR (mg/L) (*1000)

15 BOT LAYER VOL Pipe 9 10 0 0 0fix 0 0% 15

Comment: Volume of the bottom layer of Wellington Reservoir (ML) before the top layer min

16 BOT LAYER SAL 1000 Pipe 9 10 0 0 0fix 0 0% 16

Comment: SALINITY OF THE BOTTOM LAYER OF WELLINGTON RESERVOIR (mg/L) (*1000)

17 BOT POWER SUPP Pipe 9 10 0 0 0fix 0 0% 17

Comment: SUPPLY TO WESTERN POWER FROM THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML)

18 BOT IRR SUPP Pipe 9 10 0 0 0fix 0 0% 18

Operating Manual



Comment: SUPPLY TO IRRIGATION DEMAND FROM THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML)

19 BOT ADD SUPP Pipe 9 10 0 0 0fix 0 0% 19

Comment: ADDITIONAL SUPPLY FROM THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML).

20 TOP LAYER SUPP Pipe 9 10 0 0 0fix 0 0% 20

Comment: SUPPLY TO DRAWS FROM THE TOP LAYER OF WELLINGTON RESERVOIR (ML)

21 BOT LAYER INFS Pipe 9 10 0 0 0fix 0 0% 21

Comment: INFLOWS TO THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML)

22 TOP LAYER INFS Pipe 9 10 0 0 0fix 0 0% 22

Comment: INFLOWS TO THE TOP LAYER OF WELLINGTON RESERVOIR (ML)

23 WELL REL SAL Pipe 9 10 0 0 0fix 0 0% 23

Comment: SALINITY OF RELEASES FROM WELLINGTON RESERVOIR (mg/L)

24 INFS SALINITY Pipe 9 10 0 0 0fix 0 0% 24

Comment: SALINITY OF INFLOWS TO WELLINGTON RESERVOIR (mg/L)

25 CUM INFLOWS Pipe 11 12 0 0 0fix 0 0% 25

Comment: CUMULATIVE INFLOWS TO WELLINGTON RESERVOIR OVER THE SCOUR SEASON (ML)

26 CUM SCOUR Pipe 11 12 0 0 0fix 0 0% 26

Comment: CUMULATIVE SCOUR RELEASES FROM WELLINGTON RESERVOIR OVER THE SCOUR SEASON (ML)

27 MAX MONTH SCOUR Pipe 11 12 0 0 0fix 0 0% 27

Comment: MAXIMUM SCOUR FROM WELLINGTON RESERVOIR ALLOWED FOR MONTH (ML PER DAY)

28 SCOUR TRIGGER Pipe 11 12 0 0 0fix 0 0% 28

Comment: TRIGGER TO CHECK IF WELLINGTON RESERVOIR SCOUR TRIGGER MET (1 = YES, 0 = NO)

29 MAX SCOUR VOL Pipe 11 12 0 0 0fix 0 0% 29

Comment: MAXIMUM SCOUR FROM WELLINGTON RESERVOIR FOR THE TIME STEP (ML)

30 BOT SCOUR VOL Pipe 11 12 0 0 0fix 0 0% 30

Comment: VOLUME OF SCOUR FROM THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML)

31 TOP SCOUR VOL Pipe 11 12 0 0 0fix 0 0% 31

Comment: VOLUME OF SCOUR FROM THE TOP LAYER OF WELLINGTON RESERVOIR (ML)

32 BOT START VOL Pipe 17 18 0 0 0fix 0 0% 32

Comment: START STORAGE VOLUME OF THE BOTTOM LAYER OF WELLINGTON RESERVOIR (ML)

33 BOT START SAL Pipe 17 18 0 0 0fix 0 0% 33

Comment: BOTTOM LAYER START SALINITY OF WELLINGTON RESERVOIR (mg/L)

34 TOP START VOL Pipe 17 18 0 0 0fix 0 0% 34

Comment: START STORAGE OF THE TOP LAYER OF WELLINGTON RESERVOIR (ML)

35 TOP START SAL Pipe 17 18 0 0 0fix 0 0% 35

Comment: STARTING SALINITY OF THE TOP LAYER OF WELLINGTON RESERVOIR (mg/L)

36 WELL SCOUR REL River 1 5 -56000000 0 0fix 0 0% 36

Comment: Scour releases from Wellington Reservoir

37 BOT VOL IT60 Pipe 16 13 0 0 0fix 0 0% 37

Comment: BOTTOM VOLUME STORAGE AT ITERATION 60 (ML)

38 COLLIE INF ADJ Pipe 17 18 0 0 0fix 0 0% 38

Comment: COLLIER RIVER INFLOWS FACTOR (multiplied by 1000)

39 COLLIE SAL ADJ Pipe 17 18 0 0 0fix 0 0% 39

Operating Manual



Comment: COLLIE RIVER SALINITY FACTOR (multiplied by 1000)

40 LOCAL INF ADJ Pipe 17 18 0 0 0fix 0 0% 40

Comment: LOCAL INFLOWS FACTOR (multiplied by 1000)

41 LOCAL SAL ADJ Pipe 17 18 0 0 0fix 0 0% 41

Comment: LOCAL INFLOWS SALINITY FACTOR (multiplied by 1000)

42 TOP LAYER SAL Pipe 9 10 0 0 0fix 0 0% 42

Comment: Salinity of the top layer of Wellington Reservoir (mg/l)

43 BOT LAYER SAL Pipe 9 10 0 0 0fix 0 0% 43

Comment: Salinity of the bottom layer of Wellington Reservoir (mg/L)

44 SEASON FLAG Pipe 7 8 0 0 0fix 0 0% 44

Comment: Used to indicate which layer inflows should be added to. Set to 1 for May to Sep

45 CURRENT MONTH Pipe 7 8 0 0 0fix 0 0% 45

Comment: Returns a value of 1 to 12 representing the current month (i.e. Jan = 1, Feb = 2

46 START MNTH FLAG Pipe 7 8 0 0 0fix 0 0% 46

Comment: If it is the first day of a new month, returns the number of the current month,

47 IRRIG 0% REST Pipe 17 18 0 0 0fix 0 0% 47

Comment: STORAGE VOLUME (ML) AT WHICH RESTRICTION ON IRRIGATION DRAW IS 0% (I.E. ALLOCATI

48 IRRIG 100% REST Pipe 17 18 0 0 0fix 0 0% 48

Comment: STORAGE VOLUME (ML) AT WHICH RESTRICTION ON IRRIGATION DRAW IS 100% (I.E. ALLOCA

49 ADD 0% REST Pipe 17 18 0 0 0fix 0 0% 49

Comment: STORAGE VOLUME (ML) AT WHICH RESTRICTION ON ADDITIONAL DRAW IS 0% (I.E. ALLOCATI

50 ADD 100% REST Pipe 17 18 0 0 0fix 0 0% 50

Comment: STORAGE VOLUME (ML) AT WHICH RESTRICTION ON ADDITIONAL DRAW IS 100% (I.E. ALLOCA

51 WELL UP OFFTAKE Pipe 17 18 0 0 0fix 0 0% 51

Comment: Volume in storage at the upper offtake. Volume = 24,431 ML (i.e. level = 149

52 WELL LOW OFFTAKE Pipe 17 18 0 0 0fix 0 0% 52

Comment: Volume in storage at the lower offtake. Volume = 10 ML (i.e level = 135.85 m).

53 MAX DAILY SCOUR Pipe 17 18 0 0 0fix 0 0% 53

Comment: WELLINGTON RESERVOIR MAXIMUM DAILY SCOUR VOLUME (ML)

54 BOT SAL TRIG Pipe 17 18 0 0 0fix 0 0% 54

Comment: WELLINGTON BOTTOM LAYER SALINITY SCOUR TRIGGER (mg/L)

55 SAL DIFF TRIG Pipe 17 18 0 0 0fix 0 0% 55

Comment: WELLINGTON TOP AND BOTTOM LAYER SALINITY DIFFERENCE TRIGGER FOR SCOUR (mg/L)

56 MIN VOL 4 SCOUR Pipe 17 18 0 0 0fix 0 0% 56

Comment: MINIMUM WELLINGTON RESERVOIR STORAGE VOLUME FOR SCOUR RELEASES (ML)

57 TOP SAL 4 SCOUR Pipe 17 18 0 0 0fix 0 0% 57

Comment: MINIMUM WELLINGTON RESERVOIR TOP LAYER SALINITY FOR SCOUR (mg/L)

58 POWER SAL Pipe 9 10 0 0 0fix 0 0% 58

Comment: SALINITY OF RELEASES TO WESTERN POWER FROM WELLINGTON RESERVOIR (mg/L)

59 IRRIG SAL Pipe 9 10 0 0 0fix 0 0% 59

Comment: SALINITY OF RELEASES TO THE IRRIGATION DRAW (mg/L)

60 ADD DRAW SAL Pipe 9 10 0 0 0fix 0 0% 60

Operating Manual



Comment: SALINITY OF RELEASES TO THE ADDITIONAL DRAW (mg/L)

61 SCOUR SAL Pipe 9 10 0 0 0fix 0 0% 61

Comment: SALINITY OF SCOUR RELEASES (mg/L)

62 SPILL SAL Pipe 9 10 0 0 0fix 0 0% 62

Comment: SALINITY OF SPILLS FROM WELLINGTON RESERVOIR (mg/L)

63 HARRIS INF ADJ Pipe 20 21 0 0 0fix 0 0% 63

Comment: Harris Reservoir inflow adjustment factor (multiplied by 1000)

64 HARRIS SAL ADJ Pipe 20 21 0 0 0fix 0 0% 64

Comment: Harris Reservoir inflow salinity adjustment factor (multiplied by 1000)

65 HARRIS INFS River 24 19 0 0 0fix 0 0% 65

Comment: Inflows to Harris Reservoir

66 GSTWS H SUPP Pipe 19 22 0 0 0fix 0 0% 66

Comment: Supply to Great Southern Town Water Supply draw

67 OTHER SUPP Pipe 19 23 0 0 0fix 0 0% 67

Comment: Supply to other Harris draw

68 HARRIS OFFTAKE Pipe 20 21 0 0 0fix 0 0% 68

Comment: Volume in storage at the offtake level for Harris Reservoir (in ML). Volume = 48

69 HARRIS SPILL River 19 29 0 0 0fix 0 0% 69

Comment: Spills from Harris Reservoir

70 HARRIS REL River 19 29 -56000000 0 0fix 0 0% 70

Comment: Releases from Harris Reservoir

71 HARRIS START SAL Pipe 20 21 0 0 0fix 0 0% 71

Comment: Starting salinty of Harris Reservoir (mg/L)

72 HARRIS SAL 1000 Pipe 3 26 0 0 0fix 0 0% 72

Comment: Salinity of Harris Reservoir (mg/L*1000)

73 HARRIS SALINITY Pipe 3 26 0 0 0fix 0 0% 73

Comment: Salinity of Harris Reservoir (including salinity of all releases) (mg/L)

74 HARRIS MIN Pipe 20 21 0 0 0fix 0 0% 74

Comment: Minimum target storage volume for Harris Reservoir (ML)

75 HARRIS SEP REL Pipe 3 26 0 0 0fix 0 0% 75

Comment: Possible volume of release from Harris Reservoir in September

76 HARRIS O&N REL Pipe 3 26 0 0 0fix 0 0% 76

Comment: Possible volume of release from Harris Reservoir in October and November

77 WELL SEP VOL Pipe 3 26 0 0 0fix 0 0% 77

Comment: Volume (start storage) in Wellington Reservoir on the 1st of September, held unt

78 HARRIS OCT VOL Pipe 3 26 0 0 0fix 0 0% 78

Comment: Volume (start storage) in Harris Reservoir on the 1st of October, held untill th

79 WELL OCT VOL Pipe 3 26 0 0 0fix 0 0% 79

Comment: Volume (start storage) in Wellington Reservoir on the 1st of October, held until

80 STOR 4 REL SEP Pipe 20 21 0 0 0fix 0 0% 80

Comment: Maximum Wellington Reservoir storage volume (ML) for a release from Harris Reser

81 SAL 4 REL SEP Pipe 20 21 0 0 0fix 0 0% 81

Operating Manual



Comment: Wellington Reservoir salinity (mg/L) for a release from Harris Reservoir in Sept

82 SAL 4 REL O&N Pipe 20 21 0 0 0fix 0 0% 82

Comment: Wellington Reservoir salinity (mg/L) for a release from Harris Reservoir in Octo

83 MIN STOR 4 REL O&N Pipe 20 21 0 0 0fix 0 0% 83

Comment: Minimum Harris Reservoir storage volume (ML) for a release in October and Novemb

84 STOR 4 MAX REL Pipe 20 21 0 0 0fix 0 0% 84

Comment: Wellington Reservoir storage volume (ML) for maximum releases from Harris Reserv

85 STOR 4 NO REL Pipe 20 21 0 0 0fix 0 0% 85

Comment: Wellington Reservoir storage volume (ML) for no release from Harris Reservoir

86 HARRIS MAX REL Pipe 20 21 0 0 0fix 0 0% 86

Comment: Maximum daily release (ML) from Harris Reservoir

87 UNUSED 87 Pipe 27 28 0 0 0fix 0 0% 87

Comment: Combined salinity of Wellington Reservoir (mg/L)

88 BOT SAL @IT60 Pipe 30 13 0 0 0fix 0 0% 88

89 MIN VOL 2YR DROUGHT Pipe 20 21 0 0 0fix 0 0% 89

Comment: Harris Reservoir minimum storage volume (ML) for a 2 year drought

90 TOP LAYER SPILL Pipe 9 10 0 0 0fix 0 0% 90

Comment: Spill from the top layer of Wellington Reservoir

91 BOT LAYER SPILL Pipe 9 10 0 0 0fix 0 0% 91

Comment: Spill from the bottom layer of Wellington Reservoir

92 MIN WELL VOL Pipe 17 18 0 0 0fix 0 0% 92

Comment: Minimum target storage volume for Wellington Reservoir (ML)

93 BOT LAYER LEVEL Pipe 9 10 0 0 0fix 0 0% 93

Comment: Level of the top of the bottom layer of Wellington Reservoir (m * 1000)

94 TOP LAYER LEVEL Pipe 9 10 0 0 0fix 0 0% 94

Comment: Level of the top of the top layer of Wellington storage (*1000)

95 UNUSED 95 Pipe 27 28 0 0 0fix 0 0% 95

96 TOP MIN BOT VOL Pipe 9 10 0 0 0fix 0 0% 96

Comment: Volume of bottom layer of Wellington Reservoir if top layer is at minimum thickn

97 TOP END VOL Pipe 9 10 0 0 0fix 0 0% 97

Comment: Final volume of the top layer of Wellington Reservoir (ML) after consideration o

98 BOT END VOL Pipe 9 10 0 0 0fix 0 0% 98

Comment: Final volume of the bottom layer of Wellington Reservoir, after consideration of

99 WELL RES SAL Pipe 9 10 0 0 0fix 0 0% 99

Comment: Combined salinity of Wellington Reservoir (mg/L)

100 UNUSED 100 Pipe 27 28 0 0 0fix 0 0% 100

101 MIN TOP THICK Pipe 17 18 0 0 0fix 0 0% 101

Comment: Minimum thickness of the top layer of Wellington Resevoir (in m *1000)

102 TOT WELL INFLOW River 29 1 0 0 0fix 0 0% 102

Comment: Total inflows to Wellington Reservoir from Harris River, Collie River and local

------------------------------------------------------------------------------------------------------------------------

Operating Manual



Maximum Flows

No Name Jan Feb Mar Apl May Jun Jul Aug Sep Oct Nov Dec

------------------------------------------------------------------------------------------------------------------------

2 UNUSED 2 0 0 0 0 0 0 0 0 0 0 0 0

6 D/S WELL RES 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999

7 WELL SPILL 0 0 0 0 0 0 0 0 0 0 0 0

8 WELL ENV REL 0 0 0 0 0 0 0 0 0 0 0 0

69 HARRIS SPILL 0 0 0 0 0 0 0 0 0 0 0 0

87 UNUSED 87 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999

95 UNUSED 95 0 0 0 0 0 0 0 0 0 0 0 0

100 UNUSED 100 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999

102 TOT WELL INFLOW 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999 99999999

------------------------------------------------------------------------------------------------------------------------------------

Functional Capacities

No Name pt1 pt2 pt3 pt4 pt5 pt6 pt7 pt8 pt9 pt10 pt11 pt12

------------------------------------------------------------------------------------------------------------------------------------

1 COLLIE RIVER V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: ('1*('2/1000))+('3*('4/1000)) !Factors bulk inflows by inflow factor

' 1 = COLLIE INFLOW Type: STRM

' 2 = COLLIE INF ADJ Type: CAPC(# 38)

' 3 = LOCAL INFLOWS Type: STRM

' 4 = LOCAL INF ADJ Type: CAPC(# 40)

Capacity set option (0-off 1-prev 2-recalc) Jan=2 Feb=2 Mar=2 Apl=2 May=2 Jun=2 Jul=2 Aug=2 Sep=2 Oct=2 Nov=2 Dec=2

3 POWER SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-'2),0,999999,999999) !Stops supply once storage level is below offtake

' 1 = WELLINGTON RES Type: STOR

' 2 = WELL LOW OFFTAKE Type: CAPC(# 52)


4 IRRIGATION SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('3,'A,'A,0) !Stops supply if Western Power demand is shortfalled

Sub Equation A: IF(('1-'2),0,999999,999999) !Stops supply once storage level is below offtake


' 2 = WELL UP OFFTAKE Type: CAPC(# 51)

' 3 = WESTERN POWER Type: SHRT


Operating Manual



5 ADD DRAW SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('3+'4),'A,'A,0) !Stops supply in the event of shortfalls to other draws

Sub Equation A: IF(('1-'2),0,999999,999999) !Stops supply once storage level is below offtake



' 3 = WESTERN POWER Type: SHRT

' 4 = IRRIGATION Type: SHRT


9 START OCT VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('4-1,0,'1,(IF('2-10,'3,'1,'3))) !Calcs storage vol on Oct 1, holds other days


' 2 = START MNTH FLAG Type: CAPC(# 46)

' 3 = START OCT VOL Type: -CAP(# 9)

' 4 = LINEAR Type: TIME


10 IRRIGATION ALLOC V 0 10 20 30 40 50 60 70 80 90 100 9999999

Fn Name: C 11 10 9 8 7 6 5 4 3 2 1 1

Equation used: IF(('1-'3),0,0,'B) !If stor below req vol, restriction = 100%, else eqn B

Sub Equation A: (1-(('1-'2)/('3-'2)))*100 !Calcs irrigation allocation level

Sub Equation B: IF(('2-'1),100,100,'A) !If stor above req vol, restriction = 0%, else eqn A

' 1 = START OCT VOL Type: CAPC(# 9)

' 2 = IRRIG 0% REST Type: CAPC(# 47)

' 3 = IRRIG 100% REST Type: CAPC(# 48)


11 START MONTH VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('2,'3,'3,'1) !Calcs storage vol on day 1 of month, holds for rest of month



' 3 = START MONTH VOL Type: -CAP(# 11)


12 ADD DRAW ALLOC V 0 10 20 30 40 50 60 70 80 90 100 9999999

Fn Name: C 11 10 9 8 7 6 5 4 3 2 1 1

Equation used: IF(('1-'3),0,0,'B) !If stor below req vol, restriction = 100%, else eqn B

Sub Equation A: (1-(('1-'2)/('3-'2)))*100 !Calcs irrigation allocation level

Sub Equation B: IF(('2-'1),100,100,'A) !If stor above req vol, restriction = 0%, else eqn A

Operating Manual



' 1 = START OCT VOL Type: CAPC(# 9)

' 2 = ADD 0% REST Type: CAPC(# 49)

' 3 = ADD 100% REST Type: CAPC(# 50)


13 TOP LAYER VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('10-1),0,'A,'E) !If time step 1, eqn A, else eqn E

Sub Equation A: '9+'2-'3-'7-'4-'8 !Cals vol on first time step

Sub Equation B: '1+'2-'7-'4-'8 !Calcs vol on time steps when mixing occurs

Sub Equation C: '5+'2-'3-'7-'4-'8 !Calcs vol on all other time steps

Sub Equation D: IF(('6-5),'C,'B,'C) !Checks if May 1, if so eqn B, else eqn C

Sub Equation E: IF(('11-'12),'B,'B,'D) !Checks if layers mix b/c of sal, if so eqn B,else eqn D


' 2 = TOP LAYER INFS Type: CAPC(# 22)

' 3 = WELLINGTON RES Type: EVAP

' 4 = TOP LAYER SUPP Type: CAPC(# 20)

' 5 = TOP END VOL Type: -CAP(# 97)


' 7 = TOP LAYER SPILL Type: CAPC(# 90)

' 8 = TOP SCOUR VOL Type: CAPC(# 31)

' 9 = TOP START VOL Type: CAPC(# 34)

'10 = LINEAR Type: TIME

'11 = BOT LAYER SAL Type: -CAP(# 43)

'12 = TOP LAYER SAL Type: -CAP(# 42)


14 TOP LAYER SAL 1000 V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('12,0,0,'F)*1000 !If top layer vol>0, eqn F, else 0

Sub Equation A: (('10*'11)+('6*'7))/('10+'6-'8) !Sal for first time step

Sub Equation B: (('2*('3/1000))+('4*'5)+('6*'7))/('2+'4+'6-'8) !Sal when layers mix

Sub Equation C: (('2*('3/1000))+('6*'7))/('2+'6-'8) !Sal at all other times

Sub Equation D: IF(('1-5),'C,'B,'C) !Checks if May 1, if so eqn B, else eqn C

Sub Equation E: IF(('5-('3/1000)),'B,'B,'D) !if layers mix b/c of sal, eqn B, else eqn C

Sub Equation F: IF(('9-1),0,'A,'E) !Checks if 1st time step, if so eqn A, else eqn E



' 3 = TOP LAYER SAL 1000 Type: -CAP(# 14)

' 4 = BOT END VOL Type: -CAP(# 98)

' 5 = BOT LAYER SAL Type: -CAP(# 43)


Operating Manual



' 7 = INFS SALINITY Type: CAPC(# 24)

' 8 = WELLINGTON RES Type: EVAP


'10 = TOP START VOL Type: CAPC(# 34)

'11 = TOP START SAL Type: CAPC(# 35)

'12 = TOP LAYER VOL Type: CAPC(# 13)


15 BOT LAYER VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('8-1),0,'B,'F) !If time step 1, eqn B, else eqn F

Sub Equation A: '3+'4+'5 !Sum of draw demands from bottom layer

Sub Equation B: '9+'2-'A-'7-'12 !Cals vol on first time step

Sub Equation C: '6+'2-'A-'7-'12 !Calcs vol on all other time steps

Sub Equation D: '2-'A-'7-'12 !Calcs vol on time steps when mixing occurs

Sub Equation E: IF(('1-5),'C,'D,'C) !Checks if May 1, if so eqn D, else eqn C

Sub Equation F: IF(('10-'11),'D,'D,'E) !Checks if layers mix b/c of sal, if so eqn D, else eqn E


' 2 = BOT LAYER INFS Type: CAPC(# 21)

' 3 = BOT POWER SUPP Type: CAPC(# 17)

' 4 = BOT IRR SUPP Type: CAPC(# 18)

' 5 = BOT ADD SUPP Type: CAPC(# 19)


' 7 = BOT SCOUR VOL Type: CAPC(# 30)


' 9 = BOT START VOL Type: CAPC(# 32)

'10 = BOT LAYER SAL Type: -CAP(# 43)

'11 = TOP LAYER SAL Type: -CAP(# 42)

'12 = BOT LAYER SPILL Type: CAPC(# 91)


16 BOT LAYER SAL 1000 V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('10,0,0,'E)*1000 !Checks if bottom vol is 0, if so sal=0, else eqn E

Sub Equation A: IF(('7+'5),0,0,((('7*'8)+('5*'2))/('7+'5))) !Sal for first time step

Sub Equation B: IF(('3+'5),0,0,((('3*('4/1000))+('5*'2))/('3+'5))) !Sal on all other time steps

Sub Equation C: IF(('1-5),'B,'2,'B) !Checks if May 1, if so sal=inflows sal, else eqn B

Sub Equation D: IF((('4/1000)-'9),'2,'2,'C) !if layers mix b/c of sal, infs sal, else eqn C

Sub Equation E: IF(('6-1),0,'A,'D) !Checks if time step 1, if so eqn A, else eqn D




Operating Manual



' 4 = BOT LAYER SAL 1000 Type: -CAP(# 16)




' 8 = BOT START SAL Type: CAPC(# 33)

' 9 = TOP LAYER SAL Type: -CAP(# 42)

'10 = BOT LAYER VOL Type: CAPC(# 15)


17 BOT POWER SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('A,0,0,'D) !If current bot vol>0, eqn D, else 0

Sub Equation A: IF(('6-1),0,('5+'4),('1+'4)) !Checks if time step 1, returns current bot vol

Sub Equation B: MIN(('A-'3),'2) !Vol to release (up to layer vol)

Sub Equation C: IF((('A-'2)-'3),'2,'2,'B) !If layer vol can meet all demand do so, else eqn B

Sub Equation D: IF(('A-'3),0,0,'C) !If bottom vol>offtake, eqn C, else 0


' 2 = POWER SUPP Type: FLOW(# 3)






18 BOT IRR SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0


Sub Equation A: IF(('6-1),0,('7+'2),('1+'2)) !If time step 1, retruns current bot vol

Sub Equation B: MIN(('A-'5-'4),'3) !Vol to release (up to layer vol)

Sub Equation C: IF((('A-'3-'5)-'4),'3,'3,'B) !If layer vol can meet all demand do so, else eqn B




' 3 = IRRIGATION SUPP Type: FLOW(# 4)

' 4 = WELL UP OFFTAKE Type: CAPC(# 51)





19 BOT ADD SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual




Sub Equation A: IF(('6-1),0,('7+'2),('1+'2)) !returns current bot vol

Sub Equation B: MIN(('A-'5-'8-'4),'3) !Vol to release (up to layer vol)

Sub Equation C: IF((('A-'3-'5-'8)-'4),'3,'3,'B) !If layer vol can meet demand do so, else eqn B




' 3 = ADD DRAW SUPP Type: FLOW(# 5)







20 TOP LAYER SUPP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: ('1+'2+'3)-('4+'5+'6) !Supply residual demand from top layer








21 BOT LAYER INFS V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-1),0,'2,0) !If wint, infs to bot, else 0

' 1 = SEASON FLAG Type: CAPC(# 44)

' 2 = TOT WELL INFLOW Type: FLOW(#102)


22 TOP LAYER INFS V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,'2,0) !If sum, infs to top, else 0

' 1 = SEASON FLAG Type: CAPC(# 44)



23 WELL REL SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual



Equation used: IF('A,0,0,((('B*'2)+('C*'6))/'A)) !Weights sal by release layer

Sub Equation A: '1+'3+'4+'5+'7+'8+'9+'10 !Sum of all Wellington releases

Sub Equation B: '1+'7+'9 !Sum of top layer releases

Sub Equation C: '3+'4+'5+'8+'10 !Sum of bottom layer releases


' 2 = TOP LAYER SAL Type: CAPC(# 42)




' 6 = BOT LAYER SAL Type: CAPC(# 43)




'10 = BOT LAYER SPILL Type: CAPC(# 91)


24 INFS SALINITY V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('D,0,0,(('A+'B+'C)/'D)) !Salinity of inflows

Sub Equation A: ('1*('5/1000))*('2*('6/1000)) !Collie contribution

Sub Equation B: ('3*('7/1000))*('4*('8/1000)) !Local contribution

Sub Equation C: ('9+'10)*('11/1000) !Harris contribution

Sub Equation D: ('1*('5/1000))+('3*('7/1000))+('9+'10) !Total inflows

' 1 = COLLIE INFLOW Type: STRM

' 2 = COLLIE SALINITY Type: STRM

' 3 = LOCAL INFLOWS Type: STRM

' 4 = LOCAL SALINITY Type: STRM

' 5 = COLLIE INF ADJ Type: CAPC(# 38)

' 6 = COLLIE SAL ADJ Type: CAPC(# 39)

' 7 = LOCAL INF ADJ Type: CAPC(# 40)

' 8 = LOCAL SAL ADJ Type: CAPC(# 41)

' 9 = HARRIS REL Type: FLOW(# 70)

'10 = HARRIS SPILL Type: FLOW(# 69)

'11 = HARRIS SAL 1000 Type: CAPC(# 72)


25 CUM INFLOWS V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1+'2 !Cum inflows to reservoir, calcs Jun-Sep only

' 1 = CUM INFLOWS Type: -CAP(# 25)



Operating Manual



26 CUM SCOUR V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1+'2 !Cum scour release, calcs Jun-Sep only

' 1 = CUM SCOUR Type: -CAP(# 26)

' 2 = WELL SCOUR REL Type: FLOW(# 36)


27 MAX MONTH SCOUR V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,'5,'D) !If day 1 of month, eqn D, else variable 5

Sub Equation A: IF(('1-9),0,(MIN('2,(('3-'4)/30))),0) !Scour if month = 9

Sub Equation B: IF(('1-8),0,(MIN('2,(('3-'4)/31))),'A) !Scour if month = 8

Sub Equation C: IF(('1-7),0,(MIN('2,(('3-'4)/31))),'B) !Scour if month = 7

Sub Equation D: IF(('1-6),0,'2,'C) !Scour if month = 6


' 2 = MAX DAILY SCOUR Type: CAPC(# 53)

' 3 = CUM INFLOWS Type: -CAP(# 25)


' 5 = MAX MONTH SCOUR Type: -CAP(# 27)


28 SCOUR TRIGGER V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('D+'B),0,0,(IF('C,0,0,1))) !If D or B met & C met, trig = 1, else 0

Sub Equation A: IF('4,0,(IF('5,0,0,'6)),'1) !Bottom sal, or if mixing, bottom inflow sal

Sub Equation B: IF((('A-'2)-'8),0,1,1) !If layer sal diff >= 400, trigger = 1

Sub Equation C: IF((('3+'10-'11)-'9),0,0,1) !If stor vol > 110,000, trigger = 1

Sub Equation D: IF(('A-'7),0,1,1) !If bottom sal >=1000, trigger = 1

' 1 = BOT SAL @IT60 Type: CAPC(# 88)



' 4 = BOT LAYER VOL Type: CAPC(# 15)



' 7 = BOT SAL TRIG Type: CAPC(# 54)

' 8 = SAL DIFF TRIG Type: CAPC(# 55)

' 9 = MIN VOL 4 SCOUR Type: CAPC(# 56)

'10 = HARRIS RES Type: STOR

'11 = MIN VOL 2YR DROUGHT Type: CAPC(# 89)


Operating Manual



29 MAX SCOUR VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,0,'A) !If scour trigger met, eqn A, else 0

Sub Equation A: IF((('2+'5)-'3),'4,'4,('3-'2)) !If infs can supp var 4 do so, else cap by infs

' 1 = SCOUR TRIGGER Type: CAPC(# 28)


' 3 = CUM INFLOWS Type: CAPC(# 25)

' 4 = MAX MONTH SCOUR Type: CAPC(# 27)

' 5 = MAX DAILY SCOUR Type: CAPC(# 53)


30 BOT SCOUR VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('6-60),0,0,(IF(('1-'2),0,0,'B))) !If bot sal>top sal,eqn B, else 0 startIT60

Sub Equation A: IF((('3-(MIN('4,'5)))-'7),0,0,(MIN('4,'5))) !Max poss rel from bottom layer

Sub Equation B: IF(('3-'7),0,0,'A) !If sufficient storage, eqn A, else 0

' 1 = BOT SAL @IT60 Type: CAPC(# 88)



' 4 = MAX SCOUR VOL Type: CAPC(# 29)

' 5 = BOT VOL IT60 Type: CAPC(# 37)

' 6 = ITERATION Type: TIME

' 7 = MIN WELL VOL Type: CAPC(# 92)


31 TOP SCOUR VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('5-60),0,0,(IF(('1-'6),0,0,'C))) !If enough stor eqn C, else 0; starts @IT60

Sub Equation A: '4-'3 !Scour release less vol released from bottom layer

Sub Equation B: IF(('3-'4),'A,0,0) !If total scour vol not released from bottom, eqn A, else 0

Sub Equation C: IF(('2-'7),0,'B,'B) !If top sal>= 1000, eqn B, else 0




' 4 = MAX SCOUR VOL Type: CAPC(# 29)


' 6 = MIN WELL VOL Type: CAPC(# 92)

' 7 = TOP SAL 4 SCOUR Type: CAPC(# 57)


32 BOT START VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual



Equation used: 43977 !Start storage of bottom layer (ML)


33 BOT START SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 398 !Start salinity of bottom layer (mg/L)


34 TOP START VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 125368 !Start storage of top layer (ML)


35 TOP START SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 350 !Start salinity of top layer (mg/L)


36 WELL SCOUR REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1+'2 !Total scour release




37 BOT VOL IT60 V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-60),0,'2,0) !Vol of bottom layer @IT60, held until end of time step



Previous flow solution is added to new capacity


38 COLLIE INF ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Collie River inflows factor * 1000


39 COLLIE SAL ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Collie River inflows salinity factor * 1000


Operating Manual



40 LOCAL INF ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Local inflows factor * 1000


41 LOCAL SAL ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Local inflows salinity factor * 1000


42 TOP LAYER SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1/1000

' 1 = TOP LAYER SAL 1000 Type: CAPC(# 14)


43 BOT LAYER SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0


' 1 = BOT LAYER SAL 1000 Type: CAPC(# 16)


44 SEASON FLAG V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1 !Season flag, set to 1 for May to September


45 CURRENT MONTH V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1

' 1 = CURRENT MONTH Type: TIME(# 45)


46 START MNTH FLAG V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1-'2,'1,0,'1) !Returns number of current month on first day of month

' 1 = CURRENT MONTH Type: TIME(# 45)

' 2 = CURRENT MONTH Type: -CAP(# 45)


47 IRRIG 0% REST V 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual



Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 70000 !Storage volume (ML) at which restriction on irrigation draw is 0%


48 IRRIG 100% REST V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 25000 !Storage volume (ML) at which restriction on irrigation draw is 100%


49 ADD 0% REST V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 110000 !Storage volume (ML) at which restriction on additional draw is 0%


50 ADD 100% REST V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 50000 !Storage volume (ML) at which restriction on additional draw is 100%


51 WELL UP OFFTAKE V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 24431 !Equivalent to a level of of 149.95 m


52 WELL LOW OFFTAKE V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0



53 MAX DAILY SCOUR V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 825 !Maximum daily scour volume (ML)


54 BOT SAL TRIG V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Bottom layer salinity scour trigger (mg/L)


55 SAL DIFF TRIG V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 400 !Top and bottom layer salinity difference trigger (mg/L)

Operating Manual




56 MIN VOL 4 SCOUR V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 110000 !Minimum storage volume for scour releases (ML)


57 TOP SAL 4 SCOUR V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Minimum top layer salinity for scour (mg/L)


58 POWER SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('3,0,0,((('1*'2)+(('3-'1)*'4))/'3)) !Calcs salinity of power supply






59 IRRIG SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('3,0,0,((('1*'2)+(('3-'1)*'4))/'3)) !Cals salinity of irrigation supply






60 ADD DRAW SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('3,0,0,((('1*'2)+(('3-'1)*'4))/'3)) !Cals salinity of addional draw supp






61 SCOUR SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1+'3),0,0,((('1*'2)+('3*'4))/('1+'3))) !Cals salinity of the scour release

Operating Manual








62 SPILL SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,0,((('2*'3)+('4*'5))/'1)) !Cals salinity of spills

' 1 = WELL SPILL Type: FLOW(# 7)



' 4 = BOT LAYER SPILL Type: CAPC(# 91)



63 HARRIS INF ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Harris inflow adjustment factor (*1000)


64 HARRIS SAL ADJ V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Harris inflow salinity adjustment factor (*1000)


65 HARRIS INFS V -999999 0 999999 0 0 0 0 0 0 0 0 0

Fn Name: C -999999 0 999999 0 0 0 0 0 0 0 0 0

Equation used: '1*('2/1000) !Inflows to Harris Reservoir, adjusted by inflow factor

' 1 = HARRIS INFLOWS Type: STRM

' 2 = HARRIS INF ADJ Type: CAPC(# 63)


66 GSTWS H SUPP V -999999 0 999999 0 0 0 0 0 0 0 0 0

Fn Name: C -999999 0 999999 0 0 0 0 0 0 0 0 0


' 1 = HARRIS RES Type: STOR

' 2 = HARRIS OFFTAKE Type: CAPC(# 68)


67 OTHER SUPP V -999999 0 999999 0 0 0 0 0 0 0 0 0

Fn Name: C -999999 0 999999 0 0 0 0 0 0 0 0 0

Operating Manual







68 HARRIS OFFTAKE V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0



70 HARRIS REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: MIN((MAX('1,'2)),('3-'4),('3-'5)) !Min of months release & vol > min or offtake

' 1 = HARRIS SEP REL Type: CAPC(# 75)

' 2 = HARRIS O&N REL Type: CAPC(# 76)


' 4 = HARRIS MIN Type: CAPC(# 74)



71 HARRIS START SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 180 !Harris start salinity (mg/L)


72 HARRIS SAL 1000 V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('7-1),0,'B,'C)*1000 !Checks if time step=1, if so eqn B, else eqn C

Sub Equation A: '4*('5/1000) !Inflow salinity

Sub Equation B: (('1*'6)+('3*'A))/('1+'3-'8) !Sal on 1st timestep

Sub Equation C: (('1*('2/1000))+('3*'A))/('1+'3-'8) !Sal on all other time steps


' 2 = HARRIS SAL 1000 Type: -CAP(# 72)

' 3 = HARRIS INFS Type: FLOW(# 65)

' 4 = HARRIS SALINITY Type: STRM(# 73)

' 5 = HARRIS SAL ADJ Type: CAPC(# 64)

' 6 = HARRIS START SAL Type: CAPC(# 71)


' 8 = HARRIS RES Type: EVAP


73 HARRIS SALINITY V 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual



Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0


' 1 = HARRIS SAL 1000 Type: CAPC(# 72)


74 HARRIS MIN V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 10000 !Harris minimum storage (ML)


75 HARRIS SEP REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-'3),'A,'A,0) !If storage <= trigger, eqn A, else 0

Sub Equation A: IF(('2-'4),0,'5,'5) !If salinity >= trigger, max release, else 0

' 1 = WELL SEP VOL Type: CAPC(# 77)

' 2 = WELL RES SAL Type: -CAP(# 99)

' 3 = STOR 4 REL SEP Type: CAPC(# 80)

' 4 = SAL 4 REL SEP Type: CAPC(# 81)

' 5 = HARRIS MAX REL Type: CAPC(# 86)


76 HARRIS O&N REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-'2),0,'E,'E) !If Well salinity < trigger, 0, else eqn E

Sub Equation A: ('3-'4)/61 !Vol that can be released, preserves a min vol in Harris

Sub Equation B: (('5-'6)/('7-'6))*'A !Rel if Well stor is moderate

Sub Equation C: IF(('7-'5),0,'B,'B) !If Well stor > stor 4 no rel (i.e high), 0, else eqn B

Sub Equation D: IF(('5-'6),'A,'C,'C) !If Well stor <stor 4 max rel, eqn A, else eqn C

Sub Equation E: IF(('3-'4),0,'D,'D) !If Harris stor < min, 0, else eqn D

' 1 = WELL RES SAL Type: -CAP(# 99)

' 2 = SAL 4 REL O&N Type: CAPC(# 82)

' 3 = HARRIS OCT VOL Type: CAPC(# 78)

' 4 = MIN STOR 4 REL O&N Type: CAPC(# 83)

' 5 = WELL OCT VOL Type: CAPC(# 79)

' 6 = STOR 4 MAX REL Type: CAPC(# 84)

' 7 = STOR 4 NO REL Type: CAPC(# 85)


77 WELL SEP VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,'2,'3) !If Sep 1, Wellington storage, else hold value


Operating Manual



' 2 = WELL SEP VOL Type: -CAP(# 77)



78 HARRIS OCT VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,'2,'A) !If 1st day of month, eqn A, else hold value

Sub Equation A: IF(('1-10),0,'3,'2) !If Oct 1= Harris stor, if Nov 1= hold value


' 2 = HARRIS OCT VOL Type: -CAP(# 78)



79 WELL OCT VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF('1,0,'3,'A) !If 1st of month, eqn A, else hold value

Sub Equation A: IF(('1-10),0,'2,'3) !If Oct 1, Well storage, else hold value



' 3 = WELL OCT VOL Type: -CAP(# 79)


80 STOR 4 REL SEP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 30000 !Max Wellington storage volume (ML) for Harris release in Sep


81 SAL 4 REL SEP V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 825 !Wellington salinity (mg/L) for Harris release in Sep


82 SAL 4 REL O&N V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 775 !Wellington salinity (mg/L) for Harris release in Oct & Nov


83 MIN STOR 4 REL O&N V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 42000 !Min Harris storage (ML) for release in Oct & Nov


Operating Manual



84 STOR 4 MAX REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 110000 !Wellington storage (ML) for maximum Harris release


85 STOR 4 NO REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 160000 !Wellington storage (ML) for no Harris release


86 HARRIS MAX REL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Max daily release (ML) from Harris


88 BOT SAL @IT60 V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF(('1-60),0,'2,0)



Previous flow solution is added to new capacity


89 MIN VOL 2YR DROUGHT V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 18500 !Min Harris storage (ML) for a 2 year drought


90 TOP LAYER SPILL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: MIN('1,'A)

Sub Equation A: '2+'3-'4-'5







91 BOT LAYER SPILL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: '1-'2

Operating Manual






92 MIN WELL VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 10000 !Wellington minimum storage (ML)


93 BOT LAYER LEVEL V 0 8493 15687 28131 38149 54093 91952 123881 168477 184916 0 0

Fn Name: C 135160 145450 147850 150700 152500 154900 159300 162200 165500 166560 0 0

Equation used: '1



94 TOP LAYER LEVEL V 0 8493 15687 28131 38149 54093 91952 123881 168477 184916 0 0

Fn Name: C 135160 145450 147850 150700 152500 154900 159300 162200 165500 166560 0 0

Equation used: '1+'2 !Returns level of the top of the top layer * 1000


' 2 = TOP LAYER VOL Type: CAPC(# 13)


96 TOP MIN BOT VOL V 135160 145450 147850 150700 152500 154900 159300 162200 165500 166560 0 0

Fn Name: C 0 8493 15687 28131 38149 54093 91952 123881 168477 184916 0 0

Equation used: '1-'2

' 1 = TOP LAYER LEVEL Type: CAPC(# 94)

' 2 = MIN TOP THICK Type: CAPC(#101)


97 TOP END VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: IF((('5-'6)-'1),('3-'4),'2,'2)


' 2 = TOP LAYER VOL Type: CAPC(# 13)

' 3 = WELLINGTON RES Type: ESTO

' 4 = BOT END VOL Type: CAPC(# 98)


' 6 = BOT LAYER LEVEL Type: CAPC(# 93)


98 BOT END VOL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Operating Manual



Equation used: IF((('4-'5)-'1),'3,'2,'2)



' 3 = TOP MIN BOT VOL Type: CAPC(# 96)


' 5 = BOT LAYER LEVEL Type: CAPC(# 93)


99 WELL RES SAL V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: (('1*'2)+('3*'4))/('1+'3)

' 1 = TOP END VOL Type: CAPC(# 97)


' 3 = BOT END VOL Type: CAPC(# 98)



101 MIN TOP THICK V 0 999999 0 0 0 0 0 0 0 0 0 0

Fn Name: C 0 999999 0 0 0 0 0 0 0 0 0 0

Equation used: 1000 !Minimum thickness in m * 1000


-------------------------------

| RESTRICTION INFORMATION |

-------------------------------

Number of restriction groups: 2

NB. Each restriction group is treated separately

with its own rule curve definitions for urban demand groups;

for irrigation demand groups by its allocations functions.

-----------------------------------------------------------------------

Restriction Group: 1 Type: Urban/industrial demand centers

-----------------------------------------------------------------------

Reservoirs/ Demands

carriers in Group in Group

---------- --------

IRRIGATION ALLOC IRRIGATION

Operating Manual



Restriction Relative % of Restrictable Storage as % of Average Annual Demand

Level Position Demand Restricted Jan Feb Mar Apl May Jun Jul Aug Sep

Oct Nov Dec

0 0.0 0.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

1 0.0 0.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

2 10.0 10.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

3 20.0 20.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

4 30.0 30.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

5 40.0 40.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

6 50.0 50.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

7 60.0 60.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

8 70.0 70.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

9 80.0 80.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

10 90.0 90.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

11 100.0 100.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

Base levels (% AAD) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

NB. Negative values will be interpreted as absolute values

-----------------------------------------------------------------------

Restriction Group: 2 Type: Urban/industrial demand centers

-----------------------------------------------------------------------

Reservoirs/ Demands

carriers in Group in Group

---------- --------

ADD DRAW ALLOC ADDITIONAL DRAW

Operating Manual



Restriction Relative % of Restrictable Storage as % of Average Annual Demand

Level Position Demand Restricted Jan Feb Mar Apl May Jun Jul Aug Sep

Oct Nov Dec

0 0.0 0.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

1 0.0 0.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

2 10.0 10.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

3 20.0 20.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

4 30.0 30.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

5 40.0 40.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

6 50.0 50.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

7 60.0 60.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

8 70.0 70.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

9 80.0 80.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

10 90.0 90.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

11 100.0 100.0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

Base levels (% AAD) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00

NB. Negative values will be interpreted as absolute values

Documents

Wellington and Harris Reservoirs REALM Model...The SKM logo trade mark is a registered trade mark of Sinclair Knight Merz Pty Ltd. Wellington and Harris Reservoirs REALM Model OPERATING