rti dl release - dewsok...elevation (m) volume (ml) surface area (ha) volume (ml) surface area (ha)...

(ha) (ha) (ha) (ha)

Options

High Low Average(ML) 51 42 47(ML) 93 80 86

Dam Volume Prismoidal Calculator92197Reck Dam NumberDam Name

Low

Water Surface Area @ 1/2 FSL

OK

Volume

AreaFSL Volume

DCL Volume5.95

15/10/2014

Water Surface Area @ DCL Water Surface Area @ FSL

High LowHigh Low High LowHigh

4.50

Height From Base to DCL (m)

OK

0.30

Water Surface Area @ Base

Water Surface Area @ DCL Water Surface Area @ FSL

3.75 3.50 2.00OKOK OK OK OK

Height From Base To FSL (m)

OK

1.70

Results

Water Surface Area @ 1/2 FSL Water Surface Area @ Base

1.10 0.90 0.40OKOK

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RTI 14-143 FILE A 1 of 69

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Ele

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Volume

Storage Curves

High Volume Estimate

Low Volume Estimate

Avg. Volume Estimate

(ML)

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Version 1.1

Version: 1.3

BREACH MODELOID_No Required 22

Created By: Department of Natural Resources and Water

Last Updated: 16/10/2007

Instruction Page

Start a New Model

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NEW_Reck_ Breaching Spreadsheet_ failure

Instructions

Version 1.1Note the formula for the volume of embankment removed in the breach has been updated in this version

Note: These instructions are intended as a guide to the features of this spreadsheet. Before any user relies on the results produced by the spreadsheet, they should ensure they are familiar with it and critically review all results.

Note: if any cells are moved (including as a result of inserting additional rows or columns) or calculation tables extended the spreadsheet might not function correctly. Cell references in the worksheets might have to be adjusted. Cell references in all macros will have to be adjusted to reflect these changes.

Start PageThe Instruction Page button takes to you this page.

To start a new model click the 'Start New Model' button. Starting a new model will clear all data in the workbook that is entered by the user. You will be prompted to enter the name of the dam, which will be used as the title for worksheets and graphs. You will also be prompted to save your model.

Storage CurveThe storage curve worksheet stores the storage curve of the dam for the sunny day and flood failure worksheets.

Select your method in the blue box.

Calculate Storage CurveEnter the Elevation, Volume and Surface Area (if known) for the base level and the full supply level.Enter the Elevation of the Dam Crest Level (DCL). If the DCL volume is known, you can add the DCL as a point in the additional points section.Enter a value for the freeboard above DCL. This is use to calculate the maximum value of your storage curve. Choose a freeboard such that the DCL elevation + freeboard equals slightly more than the elevation of failure you will use in the flood failure worksheet.Enter data for additional points (maximum of four points) under Known Points .Click the up and down buttons to find a storage curve that best matches your data. Ideally you want the actual known points to equal the estimated points (blue cells).If you do not know any additional points, click the 'No Additional Points Button' and an average standard curve will be used to generate your storage curve.

Use Own DataEnter the Elevation, Volume and Surface Area (if known) for the base level and the full supply level.

Click the 'Go to Storage Curve' button to go to the storage calculation area.

Discharge From DamThe discharge from a dam during a breach event is made up of several components(a) Flow through the spillway … In this spreadshhet it is assumed to take the form Q = C L H3/2

NEW_Reck_ Breaching Spreadsheet_ failure 15/10/2014

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where C = a coefficient of discharge (typically about 1.6 for broad crested weirs but can be as high as 2 or even 2.1 for ogee spillway crests). Note the units of C are (metres1/2/sec)L = length across spillway (in metres)H = head across spillway (in metres)(b) Flow overtopping the dam embankment … Taken as 1.6 L H3/2 where L = length of the embankment and H = depth of overtopping (in metres)

(c) Flow through the breach - Taken as a broad crested weir type overflow = C L H3/2. Note: Some allowance for tailwater effects is built into the Breach Formation Factor by taking 80% of the difference between headwater and tailwater as the driving head for the formation of the breach. If the user considers that it will be completely unimpeded downstream of the breach, this should be increased to 100% (Cell G5) or reduced if it is effectively drowned. The discharge through the breach could also be modified to suit.

Up Stream InflowThe upstream inflow worksheet stores the inflow hydrograph for the flood failure worksheet.

The hydrograph is derived from scaling the duration and discharge of a standardised curve. This is achieved by changing the multiples for the time and flow ordinates (orange cells).Usually the peak discharge should occur at the time of concentration for the catchment and the peak discharge is that which produces the desired flood.

For a specific inflow/flood enter the hydrograph points into the blue cells. If more than the 22 points are used, ensure that the range for the lookup function in cells C19 to C113 on the flood failure worksheet reflect the range of the table.

Flood FailureThe flood failure spreadsheet calculates elements relating to a dam crest flow or dam crest flood failure.

Input values into all the orange cells.

Press the "Run Breach Macro" button for the program to calculate all elements in the spreadsheet.

Dam Crest Flood FailureAdjust the 'multiplier for flow ordinate' on the up stream inflow worksheet to produce a flood with maximum elevation (cell B17) equal to the elevation of failure (cell B6).Adjust the volume of water lost assumed (Cell G3) be close to the actual volume of water lost through the breach (Cell G4).Remember to press the "Run Breach Macro" button each time a value is changed that produces a peak headwater level greater than the assumed failure level.

Dam Crest FlowAdjust the 'multiplier for flow ordinate' on the up stream inflow worksheet to produce a flood with maximum elevation (cell B17) less than the elevation of failure (cell B6).Remember to press the "Run Breach Macro" button each time a value is changed.

In all cases the final breach size should be within the acceptable range. In some circumstances such as for large embankments with small storages, this may not be possible and some judgement may be needed.The breach development time factor multiplies the calculated breach development time by the given number. For normal calculations it should equal one but can be changed for sensitivity analyses.

Flood Failure Hydrograph


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The flood failure hydrograph worksheet presents all hydrographs calculated in the flood failure worksheet.

Sunny DayThe sunny day worksheet calculates elements relating to a sunny day failure of the dam.

Input values into all the orange cells.An initial 'piping elevation' needs to be nominated. This should be somewhere between the initial water level and the base EL of the breach. The slide bar can be used to vary it between the range in 1% increments to produce the maximum discharge.All elements are automatically calculated.

Sunny Day HydrographThe sunny day hydrograph worksheet presents the outflow hydrograph produced by a sunny day failure with NO inflows and a breach being initiated by the formation of a pipe somewhere between the spillway elevation and the base of the dam.Use the slide control to vary the elevation of the initial pipe to determine the maximum discharge.

Run ProblemsIf the flood hydrographs produce 'hunting', shorten the time step to produce a smoother curve


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Storage Curve Calculation

Elevation (m) Volume (ML) Surface Area (Ha) Volume (ML) Surface Area (Ha)Base 120.275 0 0.35 0 0.24FSL 124.8 47 1.8 47 3.04DCL 126.22

0^Surface Area is optional, but often useful

Additional Known Points

Elevation (m) Volume (ML) Surface Area (Ha) Volume (ML) Surface Area (Ha) Volume (ML) Surface Area (Ha)EL1 120.275 0 0.35 0.0 0.24 0.00 0.11

59 EL2 124.8 47 1.8 47.0 3.04 0.00 1.24EL3 126.22 86 3.6 90.1 3.04 4.13 0.56EL4 #N/A #N/A #N/A #N/A

Curve Point Elevation (m) Volume (ML) Elevation (m) Volume (ML) dV/dE EL (m) dE/dV Ha1246 1 0.000 0.000 120.28 0.0 2.4 120.28 4.19E-01 0.239

2 0.167 0.038 121.03 1.8 4.5 121.03 2.24E-01 0.4473 0.333 0.110 121.78 5.2 6.6 121.78 1.52E-01 0.6564 0.500 0.215 122.54 10.1 10.7 122.54 9.32E-02 1.0735 0.667 0.388 123.29 18.2 15.8 123.29 6.33E-02 1.5806 0.833 0.641 124.05 30.1 22.4 124.05 4.47E-02 2.2367 1.000 1.000 124.80 47.0 30.4 124.80 3.29E-02 3.0418 1.083 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.1009 0.000 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.10010 0.000 1.244 125.18 58.5 30.4 125.18 3.29E-02 3.04111 126.22 90.1 0.7 126.22 1.40E+00 0.071

Extrapolation to maximum height (values for graph)125.18 58.5 m = 3.29E-02126.22 90.13013133

Maximum Point

Actual

Standard Curve Fitted Curve

Estimated

Freeboard above DCL (m)

Difference

EstimatedActual

EL1

EL2

EL3

120.00

121.00

122.00

123.00

124.00

125.00

126.00

127.00

128.00

0 20 40 60 80 100

Elev

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Volume (ML)

Storage Curve

Clear Data

No Additional Points

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RTI 14-143 FILE A 10 of 69


(Used for flood failure worksheet)Scaled from 'Standardised' curve

Time (hrs) Q (m3/sec) dQ/dT Total Volume (ML)0 0.0 0.00 0.0

0.05 0.0 0.33 0.00.1 0.0 3.63 0.0

0.15 0.2 7.92 0.10.2 0.6 11.88 0.40.3 1.8 18.81 1.00.4 3.7 17.82 1.60.5 5.4 27.72 2.50.6 8.2 15.18 3.20.7 9.7 1.98 1.8

0.75 9.8 -5.28 1.70.8 9.6 -13.20 3.20.9 8.3 -18.15 2.61 6.4 -17.82 2.0

1.1 4.7 -12.87 1.41.2 3.4 -9.24 1.01.3 2.4 -7.26 0.71.4 1.7 -7.92 0.51.5 0.9 -4.29 0.31.6 0.5 -2.31 0.11.7 0.3 -0.88 0.12 0.0 0.00 0.0

Volume Sum 24.4 (Ml)(Area under Inflow Hydrograph)

Upstream Inflow Hydrograph

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RTI 14-143 FILE A 11 of 69


Flood Failure - OID_No Required 22Embankment Details BREACH Calculation 288.54EL Spillway 124.8 m (AHD) Volume of water lost (assumed) = 64 megalitresWidth Spillway 5 m Actual Volume released = 64EL Embankment 126.2 m (AHD) Head differential (80% of HW-TW) = 4.58 metresEL failure 125.35 m (AHD) Breach Formation Factor = 2.93E+02Length of embankment 515 m Vol of material removed = 1.86E+02 m3 1.00

Coefficient of spillway discharge 1.55 BREACH DEVELOPMENT TIME = 2.80E-01 hours 7.1 megalitres

Time for breach to fully develop 0.28 hrs Upstream Batter

slope 1H: 0.750 V

EL Base of Breach 120.475 m (AHD) Downstream

Batter slope 1H: 0.700 V

Depth of Breach 5.73 m

Breach side slope 8 (1H: x V) Crest Width 4.0 m 70.78 71.43

Time step 0.5 minutes B = Effective TOP width of breach 3.6 mb = Effective BASE width of breach 2.2 mB/d ratio 0.63 0.84 < B/d < 10.93 with a mean of 3 & standard deviation of 2.6

Max Total Q = 43.3 m3/sec B/b ratio 1.66 1.06 < B/b < 1.74 with a mean of 1.3 & standard deviation of 0.18Max HW EL = 125.352 m

Time (hrs) Reservoir EL (m) Inflow Breach width (m) Breach EL

(m AHD)

Storage Volume @ Start of Step

(Ml)

SpillwayOutflow@ Start of Step

OvertoppingDischarge

Breach Outflow @ Start of Step

Storage Volume @ End of Step

(Ml)

Total outflow (m3/sec)

Total outflow through breach

0.000 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.008 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.017 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.025 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.033 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.042 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.050 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.058 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.067 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.075 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.083 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.092 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.100 124.800 0.02 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.108 124.800 0.05 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.117 124.800 0.08 0.00 126.20 47.00 0.00 0.00 0.00 47.01 0.00 0.000.125 124.800 0.11 0.00 126.20 47.01 0.00 0.00 0.00 47.01 0.00 0.000.133 124.800 0.14 0.00 126.20 47.01 0.00 0.00 0.00 47.01 0.00 0.000.142 124.800 0.17 0.00 126.20 47.01 0.00 0.00 0.00 47.02 0.00 0.000.150 124.801 0.20 0.00 126.20 47.02 0.00 0.00 0.00 47.02 0.00 0.000.158 124.801 0.26 0.00 126.20 47.02 0.00 0.00 0.00 47.03 0.00 0.000.167 124.801 0.33 0.00 126.20 47.03 0.00 0.00 0.00 47.04 0.00 0.000.175 124.801 0.40 0.00 126.20 47.04 0.00 0.00 0.00 47.05 0.00 0.000.183 124.802 0.46 0.00 126.20 47.05 0.00 0.00 0.00 47.07 0.00 0.000.192 124.802 0.53 0.00 126.20 47.07 0.00 0.00 0.00 47.08 0.00 0.000.200 124.803 0.59 0.00 126.20 47.08 0.00 0.00 0.00 47.10 0.00 0.000.208 124.803 0.69 0.00 126.20 47.10 0.00 0.00 0.00 47.12 0.00 0.000.217 124.804 0.79 0.00 126.20 47.12 0.00 0.00 0.00 47.15 0.00 0.000.225 124.805 0.89 0.00 126.20 47.15 0.00 0.00 0.00 47.17 0.00 0.000.233 124.806 0.99 0.00 126.20 47.17 0.00 0.00 0.00 47.20 0.00 0.000.242 124.807 1.09 0.00 126.20 47.20 0.00 0.00 0.00 47.23 0.00 0.000.250 124.808 1.19 0.00 126.20 47.23 0.01 0.00 0.00 47.27 0.01 0.000.258 124.809 1.29 0.00 126.20 47.27 0.01 0.00 0.00 47.31 0.01 0.000.267 124.810 1.39 0.00 126.20 47.31 0.01 0.00 0.00 47.35 0.01 0.000.275 124.811 1.49 0.00 126.20 47.35 0.01 0.00 0.00 47.39 0.01 0.00

Ml through breach and over embankment

TOTAL SPILLWAY DISCHARGE

NOTE: Spillway Discharge + Actual Volume released should equal Storage at FSL + Volume under Inflow Hydrograph(assuming reservoir is emptied by failure)

Breach Development Time Factor

NEW_Reck_ Breaching Spreadsheet_ failure Page 1 15/10/2014

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RTI 14-143 FILE A 12 of 69

NEW_Reck_ Breaching Spreadsheet_ failure0.283 124.813 1.58 0.00 126.20 47.39 0.01 0.00 0.00 47.44 0.01 0.000.292 124.814 1.68 0.00 126.20 47.44 0.01 0.00 0.00 47.49 0.01 0.000.300 124.816 1.78 0.00 126.20 47.49 0.02 0.00 0.00 47.54 0.02 0.000.308 124.818 1.94 0.00 126.20 47.54 0.02 0.00 0.00 47.60 0.02 0.000.317 124.820 2.10 0.00 126.20 47.60 0.02 0.00 0.00 47.66 0.02 0.000.325 124.822 2.25 0.00 126.20 47.66 0.02 0.00 0.00 47.73 0.02 0.000.333 124.824 2.41 0.00 126.20 47.73 0.03 0.00 0.00 47.80 0.03 0.000.342 124.826 2.57 0.00 126.20 47.80 0.03 0.00 0.00 47.88 0.03 0.000.350 124.829 2.72 0.00 126.20 47.88 0.04 0.00 0.00 47.96 0.04 0.000.358 124.832 2.88 0.00 126.20 47.96 0.04 0.00 0.00 48.04 0.04 0.000.367 124.834 3.04 0.00 126.20 48.04 0.05 0.00 0.00 48.13 0.05 0.000.375 124.837 3.19 0.00 126.20 48.13 0.06 0.00 0.00 48.23 0.06 0.000.383 124.840 3.35 0.00 126.20 48.23 0.06 0.00 0.00 48.33 0.06 0.000.392 124.844 3.51 0.00 126.20 48.33 0.07 0.00 0.00 48.43 0.07 0.000.400 124.847 3.66 0.00 126.20 48.43 0.08 0.00 0.00 48.54 0.08 0.000.408 124.851 3.81 0.00 126.20 48.54 0.09 0.00 0.00 48.65 0.09 0.000.417 124.854 3.96 0.00 126.20 48.65 0.10 0.00 0.00 48.76 0.10 0.000.425 124.858 4.11 0.00 126.20 48.76 0.11 0.00 0.00 48.88 0.11 0.000.433 124.862 4.26 0.00 126.20 48.88 0.12 0.00 0.00 49.01 0.12 0.000.442 124.866 4.41 0.00 126.20 49.01 0.13 0.00 0.00 49.14 0.13 0.000.450 124.870 4.55 0.00 126.20 49.14 0.14 0.00 0.00 49.27 0.14 0.000.458 124.875 4.70 0.00 126.20 49.27 0.16 0.00 0.00 49.40 0.16 0.000.467 124.879 4.85 0.00 126.20 49.40 0.17 0.00 0.00 49.55 0.17 0.000.475 124.884 5.00 0.00 126.20 49.55 0.19 0.00 0.00 49.69 0.19 0.000.483 124.888 5.15 0.00 126.20 49.69 0.20 0.00 0.00 49.84 0.20 0.000.492 124.893 5.30 0.00 126.20 49.84 0.22 0.00 0.00 49.99 0.22 0.000.500 124.898 5.45 0.00 126.20 49.99 0.24 0.00 0.00 50.15 0.24 0.000.508 124.903 5.68 0.00 126.20 50.15 0.26 0.00 0.00 50.31 0.26 0.000.517 124.909 5.91 0.00 126.20 50.31 0.28 0.00 0.00 50.48 0.28 0.000.525 124.914 6.14 0.00 126.20 50.48 0.30 0.00 0.00 50.65 0.30 0.000.533 124.920 6.37 0.00 126.20 50.65 0.32 0.00 0.00 50.83 0.32 0.000.542 124.926 6.60 0.00 126.20 50.83 0.35 0.00 0.00 51.02 0.35 0.000.550 124.932 6.83 0.00 126.20 51.02 0.37 0.00 0.00 51.22 0.37 0.000.558 124.939 7.06 0.00 126.20 51.22 0.40 0.00 0.00 51.42 0.40 0.000.567 124.945 7.29 0.00 126.20 51.42 0.43 0.00 0.00 51.62 0.43 0.000.575 124.952 7.52 0.00 126.20 51.62 0.46 0.00 0.00 51.83 0.46 0.000.583 124.959 7.76 0.00 126.20 51.83 0.49 0.00 0.00 52.05 0.49 0.000.592 124.966 7.99 0.00 126.20 52.05 0.52 0.00 0.00 52.28 0.52 0.000.600 124.973 8.22 0.00 126.20 52.28 0.56 0.00 0.00 52.50 0.56 0.000.608 124.981 8.34 0.00 126.20 52.50 0.60 0.00 0.00 52.74 0.60 0.000.617 124.989 8.47 0.00 126.20 52.74 0.63 0.00 0.00 52.97 0.63 0.000.625 124.996 8.60 0.00 126.20 52.97 0.67 0.00 0.00 53.21 0.67 0.000.633 125.004 8.72 0.00 126.20 53.21 0.72 0.00 0.00 53.45 0.72 0.000.642 125.012 8.85 0.00 126.20 53.45 0.76 0.00 0.00 53.69 0.76 0.000.650 125.020 8.98 0.00 126.20 53.69 0.80 0.00 0.00 53.94 0.80 0.000.658 125.028 9.10 0.00 126.20 53.94 0.84 0.00 0.00 54.19 0.84 0.000.667 125.036 9.23 0.00 126.20 54.19 0.89 0.00 0.00 54.44 0.89 0.000.675 125.044 9.36 0.00 126.20 54.44 0.94 0.00 0.00 54.69 0.94 0.000.683 125.053 9.48 0.00 126.20 54.69 0.99 0.00 0.00 54.94 0.99 0.000.692 125.061 9.61 0.00 126.20 54.94 1.03 0.00 0.00 55.20 1.03 0.000.700 125.070 9.74 0.00 126.20 55.20 1.09 0.00 0.00 55.46 1.09 0.000.708 125.078 9.75 0.00 126.20 55.46 1.14 0.00 0.00 55.72 1.14 0.000.717 125.087 9.77 0.00 126.20 55.72 1.19 0.00 0.00 55.98 1.19 0.000.725 125.095 9.78 0.00 126.20 55.98 1.24 0.00 0.00 56.23 1.24 0.000.733 125.104 9.80 0.00 126.20 56.23 1.30 0.00 0.00 56.49 1.30 0.000.742 125.112 9.82 0.00 126.20 56.49 1.35 0.00 0.00 56.74 1.35 0.000.750 125.120 9.83 0.00 126.20 56.74 1.40 0.00 0.00 56.99 1.40 0.000.758 125.129 9.79 0.00 126.20 56.99 1.46 0.00 0.00 57.24 1.46 0.000.767 125.137 9.75 0.00 126.20 57.24 1.51 0.00 0.00 57.49 1.51 0.000.775 125.145 9.70 0.00 126.20 57.49 1.57 0.00 0.00 57.74 1.57 0.000.783 125.153 9.66 0.00 126.20 57.74 1.63 0.00 0.00 57.98 1.63 0.000.792 125.161 9.61 0.00 126.20 57.98 1.68 0.00 0.00 58.21 1.68 0.00


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RTI 14-143 FILE A 13 of 69

NEW_Reck_ Breaching Spreadsheet_ failure0.800 125.169 9.57 0.00 126.20 58.21 1.74 0.00 0.00 58.45 1.74 0.000.808 125.176 9.46 0.00 126.20 58.45 1.79 0.00 0.00 58.68 1.79 0.000.817 125.186 9.35 0.00 126.20 58.68 1.86 0.00 0.00 58.90 1.86 0.000.825 125.193 9.24 0.00 126.20 58.90 1.91 0.00 0.00 59.12 1.91 0.000.833 125.201 9.13 0.00 126.20 59.12 1.96 0.00 0.00 59.34 1.96 0.000.842 125.208 9.02 0.00 126.20 59.34 2.02 0.00 0.00 59.55 2.02 0.000.850 125.215 8.91 0.00 126.20 59.55 2.07 0.00 0.00 59.75 2.07 0.000.858 125.221 8.80 0.00 126.20 59.75 2.12 0.00 0.00 59.95 2.12 0.000.867 125.228 8.69 0.00 126.20 59.95 2.17 0.00 0.00 60.15 2.17 0.000.875 125.234 8.58 0.00 126.20 60.15 2.22 0.00 0.00 60.34 2.22 0.000.883 125.241 8.47 0.00 126.20 60.34 2.27 0.00 0.00 60.53 2.27 0.000.892 125.247 8.36 0.00 126.20 60.53 2.31 0.00 0.00 60.71 2.31 0.000.900 125.253 8.25 0.00 126.20 60.71 2.36 0.00 0.00 60.89 2.36 0.000.908 125.258 8.10 0.00 126.20 60.89 2.41 0.00 0.00 61.06 2.41 0.000.917 125.264 7.95 0.00 126.20 61.06 2.45 0.00 0.00 61.22 2.45 0.000.925 125.270 7.80 0.00 126.20 61.22 2.49 0.00 0.00 61.38 2.49 0.000.933 125.275 7.65 0.00 126.20 61.38 2.54 0.00 0.00 61.53 2.54 0.000.942 125.280 7.49 0.00 126.20 61.53 2.58 0.00 0.00 61.68 2.58 0.000.950 125.285 7.34 0.00 126.20 61.68 2.61 0.00 0.00 61.82 2.61 0.000.958 125.289 7.19 0.00 126.20 61.82 2.65 0.00 0.00 61.96 2.65 0.000.967 125.294 7.04 0.00 126.20 61.96 2.69 0.00 0.00 62.09 2.69 0.000.975 125.298 6.89 0.00 126.20 62.09 2.72 0.00 0.00 62.21 2.72 0.000.983 125.302 6.74 0.00 126.20 62.21 2.76 0.00 0.00 62.33 2.76 0.000.992 125.306 6.59 0.00 126.20 62.33 2.79 0.00 0.00 62.45 2.79 0.001.000 125.310 6.44 0.00 126.20 62.45 2.82 0.00 0.00 62.56 2.82 0.001.008 125.313 6.29 0.00 126.20 62.56 2.85 0.00 0.00 62.66 2.85 0.001.017 125.317 6.14 0.00 126.20 62.66 2.88 0.00 0.00 62.76 2.88 0.001.025 125.320 5.99 0.00 126.20 62.76 2.91 0.00 0.00 62.85 2.91 0.001.033 125.323 5.84 0.00 126.20 62.85 2.93 0.00 0.00 62.94 2.93 0.001.042 125.326 5.69 0.00 126.20 62.94 2.96 0.00 0.00 63.02 2.96 0.001.050 125.329 5.54 0.00 126.20 63.02 2.98 0.00 0.00 63.10 2.98 0.001.058 125.331 5.40 0.00 126.20 63.10 3.00 0.00 0.00 63.17 3.00 0.001.067 125.334 5.25 0.00 126.20 63.17 3.02 0.00 0.00 63.23 3.02 0.001.075 125.336 5.10 0.00 126.20 63.23 3.04 0.00 0.00 63.30 3.04 0.001.083 125.338 4.95 0.00 126.20 63.30 3.06 0.00 0.00 63.35 3.06 0.001.092 125.340 4.80 0.00 126.20 63.35 3.07 0.00 0.00 63.41 3.07 0.001.100 125.341 4.65 0.00 126.20 63.41 3.09 0.00 0.00 63.45 3.09 0.001.108 125.343 4.55 0.00 126.20 63.45 3.10 0.00 0.00 63.50 3.10 0.001.117 125.344 4.44 0.00 126.20 63.50 3.11 0.00 0.00 63.54 3.11 0.001.125 125.346 4.33 0.00 126.20 63.54 3.12 0.00 0.00 63.57 3.12 0.001.133 125.347 4.22 0.00 126.20 63.57 3.13 0.00 0.00 63.60 3.13 0.001.142 125.348 4.12 0.00 126.20 63.60 3.14 0.00 0.00 63.63 3.14 0.001.150 125.349 4.01 0.00 126.20 63.63 3.15 0.00 0.00 63.66 3.15 0.001.158 125.350 3.90 0.00 126.20 63.66 3.16 0.00 0.00 63.68 3.16 0.001.167 125.350 3.80 0.04 126.11 63.68 3.16 0.00 0.00 63.70 3.16 0.001.175 125.351 3.69 0.10 125.94 63.70 3.17 0.00 0.00 63.72 3.17 0.001.183 125.352 3.58 0.16 125.77 63.72 3.17 0.00 0.00 63.73 3.17 0.001.192 125.352 3.47 0.23 125.60 63.73 3.18 0.00 0.00 63.74 3.18 0.001.200 125.352 3.37 0.29 125.43 63.74 3.18 0.00 0.00 63.74 3.18 0.001.208 125.352 3.29 0.36 125.25 63.74 3.18 0.00 0.02 63.75 3.20 0.021.217 125.352 3.21 0.42 125.08 63.75 3.18 0.00 0.11 63.74 3.29 0.111.225 125.352 3.14 0.49 124.91 63.74 3.18 0.00 0.26 63.73 3.45 0.261.233 125.352 3.06 0.55 124.74 63.73 3.18 0.00 0.50 63.71 3.68 0.501.242 125.352 2.98 0.62 124.57 63.71 3.17 0.00 0.82 63.68 3.99 0.821.250 125.351 2.90 0.68 124.40 63.68 3.17 0.00 1.22 63.64 4.39 1.221.258 125.349 2.83 0.75 124.23 63.64 3.15 0.00 1.73 63.58 4.88 1.731.267 125.347 2.75 0.81 124.06 63.58 3.14 0.00 2.34 63.50 5.47 2.341.275 125.344 2.67 0.88 123.89 63.50 3.11 0.00 3.05 63.39 6.17 3.051.283 125.341 2.60 0.94 123.72 63.39 3.08 0.00 3.88 63.26 6.97 3.881.292 125.337 2.52 1.00 123.55 63.26 3.05 0.00 4.83 63.10 7.87 4.831.300 125.331 2.44 1.07 123.38 63.10 3.00 0.00 5.89 62.91 8.89 5.891.308 125.325 2.38 1.13 123.21 62.91 2.95 0.00 7.07 62.68 10.02 7.07


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EWS

RTI 14-143 FILE A 14 of 69

NEW_Reck_ Breaching Spreadsheet_ failure1.317 125.317 2.32 1.20 123.04 62.68 2.88 0.00 8.38 62.41 11.26 8.381.325 125.309 2.26 1.26 122.87 62.41 2.81 0.00 9.81 62.10 12.62 9.811.333 125.298 2.20 1.33 122.70 62.10 2.73 0.00 11.37 61.74 14.10 11.371.342 125.287 2.14 1.39 122.53 61.74 2.63 0.00 13.06 61.34 15.69 13.061.350 125.273 2.08 1.46 122.36 61.34 2.52 0.00 14.87 60.88 17.39 14.871.358 125.258 2.02 1.52 122.19 60.88 2.40 0.00 16.81 60.36 19.21 16.811.367 125.241 1.96 1.59 122.02 60.36 2.27 0.00 18.88 59.78 21.15 18.881.375 125.222 1.90 1.65 121.85 59.78 2.13 0.00 21.07 59.15 23.19 21.071.383 125.201 1.84 1.72 121.68 59.15 1.97 0.00 23.38 58.44 25.35 23.381.392 125.176 1.78 1.78 121.51 58.44 1.79 0.00 25.79 57.67 27.58 25.791.400 125.151 1.72 1.85 121.34 57.67 1.61 0.00 28.34 56.82 29.95 28.341.408 125.123 1.65 1.91 121.17 56.82 1.42 0.00 31.00 55.90 32.43 31.001.417 125.092 1.58 1.97 120.99 55.90 1.23 0.00 33.78 54.89 35.00 33.781.425 125.060 1.52 2.04 120.82 54.89 1.02 0.00 36.66 53.81 37.68 36.661.433 125.024 1.45 2.10 120.65 53.81 0.82 0.00 39.64 52.64 40.46 39.641.442 124.985 1.39 2.17 120.48 52.64 0.62 0.00 42.72 51.38 43.34 42.721.450 124.944 1.32 2.17 120.48 51.38 0.42 0.00 42.26 50.14 42.68 42.261.458 124.903 1.25 2.17 120.48 50.14 0.26 0.00 41.62 48.92 41.87 41.621.467 124.863 1.19 2.17 120.48 48.92 0.12 0.00 40.99 47.72 41.11 40.991.475 124.824 1.12 2.17 120.48 47.72 0.03 0.00 40.38 46.54 40.41 40.381.483 124.780 1.06 2.17 120.48 46.54 0.00 0.00 39.70 45.38 39.70 39.701.492 124.728 0.99 2.17 120.48 45.38 0.00 0.00 38.91 44.25 38.91 38.911.500 124.677 0.92 2.17 120.48 44.25 0.00 0.00 38.14 43.13 38.14 38.141.508 124.627 0.89 2.17 120.48 43.13 0.00 0.00 37.39 42.04 37.39 37.391.517 124.578 0.85 2.17 120.48 42.04 0.00 0.00 36.66 40.96 36.66 36.661.525 124.530 0.82 2.17 120.48 40.96 0.00 0.00 35.95 39.91 35.95 35.951.533 124.483 0.78 2.17 120.48 39.91 0.00 0.00 35.26 38.87 35.26 35.261.542 124.437 0.75 2.17 120.48 38.87 0.00 0.00 34.59 37.86 34.59 34.591.550 124.391 0.71 2.17 120.48 37.86 0.00 0.00 33.94 36.86 33.94 33.941.558 124.347 0.67 2.17 120.48 36.86 0.00 0.00 33.30 35.88 33.30 33.301.567 124.303 0.64 2.17 120.48 35.88 0.00 0.00 32.69 34.92 32.69 32.691.575 124.260 0.60 2.17 120.48 34.92 0.00 0.00 32.08 33.98 32.08 32.081.583 124.218 0.57 2.17 120.48 33.98 0.00 0.00 31.50 33.05 31.50 31.501.592 124.176 0.53 2.17 120.48 33.05 0.00 0.00 30.92 32.14 30.92 30.921.600 124.135 0.50 2.17 120.48 32.14 0.00 0.00 30.37 31.24 30.37 30.371.608 124.095 0.48 2.17 120.48 31.24 0.00 0.00 29.82 30.36 29.82 29.821.617 124.056 0.46 2.17 120.48 30.36 0.00 0.00 29.29 29.49 29.29 29.291.625 124.005 0.44 2.17 120.48 29.49 0.00 0.00 28.62 28.65 28.62 28.621.633 123.952 0.42 2.17 120.48 28.65 0.00 0.00 27.91 27.82 27.91 27.911.642 123.900 0.40 2.17 120.48 27.82 0.00 0.00 27.23 27.02 27.23 27.231.650 123.849 0.38 2.17 120.48 27.02 0.00 0.00 26.57 26.23 26.57 26.571.658 123.799 0.36 2.17 120.48 26.23 0.00 0.00 25.93 25.47 25.93 25.931.667 123.750 0.34 2.17 120.48 25.47 0.00 0.00 25.32 24.72 25.32 25.321.675 123.703 0.32 2.17 120.48 24.72 0.00 0.00 24.72 23.98 24.72 24.721.683 123.657 0.30 2.17 120.48 23.98 0.00 0.00 24.15 23.27 24.15 24.151.692 123.611 0.28 2.17 120.48 23.27 0.00 0.00 23.59 22.57 23.59 23.591.700 123.567 0.26 2.17 120.48 22.57 0.00 0.00 23.06 21.89 23.06 23.061.708 123.524 0.26 2.17 120.48 21.89 0.00 0.00 22.53 21.22 22.53 22.531.717 123.482 0.25 2.17 120.48 21.22 0.00 0.00 22.03 20.56 22.03 22.031.725 123.440 0.24 2.17 120.48 20.56 0.00 0.00 21.54 19.93 21.54 21.541.733 123.400 0.23 2.17 120.48 19.93 0.00 0.00 21.07 19.30 21.07 21.071.742 123.360 0.23 2.17 120.48 19.30 0.00 0.00 20.61 18.69 20.61 20.611.750 123.322 0.22 2.17 120.48 18.69 0.00 0.00 20.17 18.09 20.17 20.171.758 123.280 0.21 2.17 120.48 18.09 0.00 0.00 19.69 17.51 19.69 19.691.767 123.226 0.21 2.17 120.48 17.51 0.00 0.00 19.08 16.94 19.08 19.081.775 123.173 0.20 2.17 120.48 16.94 0.00 0.00 18.49 16.39 18.49 18.49


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EWS

RTI 14-143 FILE A 15 of 69



0

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0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

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Time (hrs)

Flood Failure - OID_No Required 22

Inflow HydrographSpillway DischargeOvertoppingbreach outflowTotal OutflowDigitised Curve

DAM CREST FLOOD

Peak Discharge m3/sec43.3

RTI DL R

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EWS

RTI 14-143 FILE A 16 of 69


Sunny Day Failure - OID_No Required 22Embankment Details BREACH CalculationEL Spillway 54.6 m (AHD) Volume of water lost (assumed) = 82 megalitresWidth Spillway 5 m Actual Volume released = #N/AEL Embankment 55.9 m (AHD) Head differential (80% of HW-TW) = 4.24 metresCentreline EL of initial Pipe 51.5 42 Breach Formation Factor = 3.48E+02

Vol of material removed = 2.18E+02 m3

Coefficient of spillway discharge 1.55 BREACH DEVELOPMENT TIME = 0.29 hours


slope 1H: 0.75 V

EL Base of Breach 49.3 m (AHD) Downstream Batter slope 1H: 0.7 V

Depth of Breach 6.6 mBreach side slope 10 (1H: x V) Crest Width 4.0 mTime step 2 minutes B = Effective TOP width of breach 3.3 m

b = Effective BASE width of breach 2.0 mB/d ratio 0.50 0.84 < B/d < 10.93 with a mean of 3 & standard deviation of 2.6

Max Total Q = #N/A m3/sec B/b ratio 1.66 1.06 < B/b < 1.74 with a mean of 1.3 & standard deviation of 0.18Max HW EL = #N/A m

Time (hrs) Reservoir EL Breach width (m)Breach EL (m

AHD) hb3hp-2hb Top of Pipe Pipe = 1

Weir = 0Volume @ Start

of StepSpillwayOutflow @ Start of Step


Volume @ End of Step


Cumulative volume through breach

0.000 54.600 0.00 51.53 51.53 51.53 Pipe #N/A 0.00 0.00 #N/A 0.000.033 #N/A 0.23 51.27 52.04 51.78 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.067 #N/A 0.46 51.01 52.55 52.04 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.100 #N/A 0.69 50.76 53.06 52.29 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.133 #N/A 0.92 50.50 53.57 52.55 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.167 #N/A 1.16 50.25 54.08 52.81 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.200 #N/A 1.39 49.99 54.60 53.06 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.233 #N/A 1.62 49.73 55.11 53.32 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.267 #N/A 1.85 49.48 55.62 53.57 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A


Centreline must be in the range 49.3m to 54.6m

NEW_Reck_ Breaching Spreadsheet_ failure Sunny Day

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ELEASE - D

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1.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.167 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.200 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.233 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.267 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.167 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.200 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.233 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.267 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A

NEW_Reck_ Breaching Spreadsheet_ failure Sunny Day

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0

0

0

0

0

1

1

1

1

1

1

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

Out

flow

(m3 /s

ec)

Time (hrs)

Sunny Day Failure - OID_No Required 22

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Reck Calculations

Limits 3 -6 hours

Smooth terrain

DR+DS=1

EAF=1

MAF = 0.8

PMP=0.8*520=416mm

Convert to mm/h

=416/0.33= 1260mm/h

Q=CIA/360

Q=0.8*1260*8/360Q=22.4m3/s

Dam catchment – 8haSlope 0.024Tc=20mins

So trying for AEP values for PMP on the log scale, it appears that a 100,000 AEP matches the slope of the line fairly well.

Based on this, and from Table 1 of the FIA guidelines we have an AEP of dam break flood rainfall of at least 5.0 e0-6, so the AEP of our concurrent rainfall will be 0.01.

Determining 1in100 hydrograph for house catchment

House Catchment – 70ha1000m2mTc=32.5 mins, say 30mins

Therefore tc = 26.89 minutes, say 30 minutes (from Bransby Williams formula)

From ARR, the intensity for an ARI of 100 years for a duration of 30 minutes is 131mm/h

Q=CIA/360 = 0.8x131x70/360=Using rational formula for this catchment gives a Q100 of around 20m3/sCase to model

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Spillway + Breach100 + Breach

House Plinth = 119.82 (52x,49y)

This flow was lowered to 11m3/s as it exceeded the plinth level.

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Version: 1.3




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0.02 0.0 1.88 0.00.04 0.0 20.63 0.00.06 0.5 45.00 0.10.08 1.4 67.50 0.40.12 4.1 106.88 0.90.16 8.3 101.25 1.50.2 12.4 157.50 2.2

0.24 18.7 86.25 2.90.28 22.1 11.25 1.60.3 22.4 -30.00 1.6

0.32 21.8 -75.00 2.90.36 18.8 -103.13 2.40.4 14.6 -101.25 1.8

0.44 10.6 -73.13 1.30.48 7.7 -52.50 1.00.52 5.6 -41.25 0.70.56 3.9 -45.00 0.40.6 2.1 -24.38 0.2

0.64 1.1 -13.13 0.10.68 0.6 -5.00 0.10.8 0.0 0.00 0.0



0.0

5.0

10.0

15.0

20.0

25.0

0 0.5 1

Flow

(m3 /s

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Time (Hours)

Inflow hydrograph

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59 EL2 124.8 47 1.8 47.0 3.04 0.00 1.24EL3 126.22 86 3.6 90.1 3.04 4.13 0.56EL4 #N/A #N/A #N/A #N/A


2 0.167 0.038 121.03 1.8 4.5 121.03 2.24E-01 0.4473 0.333 0.110 121.78 5.2 6.6 121.78 1.52E-01 0.6564 0.500 0.215 122.54 10.1 10.7 122.54 9.32E-02 1.0735 0.667 0.388 123.29 18.2 15.8 123.29 6.33E-02 1.5806 0.833 0.641 124.05 30.1 22.4 124.05 4.47E-02 2.2367 1.000 1.000 124.80 47.0 30.4 124.80 3.29E-02 3.0418 1.083 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.1009 0.000 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.10010 0.000 1.244 125.18 58.5 30.4 125.18 3.29E-02 3.04111 126.22 90.1 0.7 126.22 1.40E+00 0.071


Difference

EstimatedActual

Maximum Point

Actual


Estimated


EL1

EL2

EL3

120.00

121.00

122.00

123.00

124.00

125.00

126.00

127.00

128.00

0 20 40 60 80 100

Elev

atio

n (m

)

Volume (ML)

Storage Curve

Clear Data


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Flood Failure - OID_No Required 22Embankment Details BREACH Calculation 288.54EL Spillway 124.8 m (AHD) Volume of water lost (assumed) = 63 megalitresWidth Spillway 5 m Actual Volume released = 63EL Embankment 126.2 m (AHD) Head differential (80% of HW-TW) = 4.58 metresEL failure 125.405 m (AHD) Breach Formation Factor = 2.89E+02Length of embankment 515 m Vol of material removed = 1.83E+02 m3 1.00

Coefficient of spillway discharge 1.55 BREACH DEVELOPMENT TIME = 2.80E-01 hours 5.8 megalitres


slope 1H: 0.750 V








(m AHD)


(Ml)





(Ml)



0.000 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.008 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.017 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.025 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.033 124.800 0.03 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.042 124.800 0.07 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.050 124.800 0.24 0.00 126.20 47.00 0.00 0.00 0.00 47.01 0.00 0.000.058 124.800 0.42 0.00 126.20 47.01 0.00 0.00 0.00 47.02 0.00 0.000.067 124.801 0.75 0.00 126.20 47.02 0.00 0.00 0.00 47.05 0.00 0.000.075 124.801 1.13 0.00 126.20 47.05 0.00 0.00 0.00 47.08 0.00 0.000.083 124.803 1.58 0.00 126.20 47.08 0.00 0.00 0.00 47.13 0.00 0.000.092 124.804 2.14 0.00 126.20 47.13 0.00 0.00 0.00 47.19 0.00 0.000.100 124.806 2.70 0.00 126.20 47.19 0.00 0.00 0.00 47.27 0.00 0.000.108 124.809 3.26 0.00 126.20 47.27 0.01 0.00 0.00 47.37 0.01 0.000.117 124.812 3.83 0.00 126.20 47.37 0.01 0.00 0.00 47.48 0.01 0.000.125 124.816 4.58 0.00 126.20 47.48 0.02 0.00 0.00 47.62 0.02 0.000.133 124.820 5.48 0.00 126.20 47.62 0.02 0.00 0.00 47.78 0.02 0.000.142 124.826 6.37 0.00 126.20 47.78 0.03 0.00 0.00 47.97 0.03 0.000.150 124.832 7.26 0.00 126.20 47.97 0.04 0.00 0.00 48.19 0.04 0.000.158 124.839 8.15 0.00 126.20 48.19 0.06 0.00 0.00 48.43 0.06 0.000.167 124.847 9.00 0.00 126.20 48.43 0.08 0.00 0.00 48.70 0.08 0.000.175 124.856 9.84 0.00 126.20 48.70 0.10 0.00 0.00 48.99 0.10 0.000.183 124.866 10.69 0.00 126.20 48.99 0.13 0.00 0.00 49.31 0.13 0.000.192 124.876 11.53 0.00 126.20 49.31 0.16 0.00 0.00 49.65 0.16 0.000.200 124.887 12.38 0.00 126.20 49.65 0.20 0.00 0.00 50.02 0.20 0.000.208 124.899 13.69 0.00 126.20 50.02 0.24 0.00 0.00 50.42 0.24 0.000.217 124.912 15.00 0.00 126.20 50.42 0.29 0.00 0.00 50.86 0.29 0.000.225 124.927 16.31 0.00 126.20 50.86 0.35 0.00 0.00 51.34 0.35 0.000.233 124.943 17.63 0.00 126.20 51.34 0.42 0.00 0.00 51.86 0.42 0.000.242 124.960 18.82 0.00 126.20 51.86 0.49 0.00 0.00 52.41 0.49 0.000.250 124.978 19.54 0.00 126.20 52.41 0.58 0.00 0.00 52.97 0.58 0.000.258 124.996 20.26 0.00 126.20 52.97 0.67 0.00 0.00 53.56 0.67 0.000.267 125.016 20.98 0.00 126.20 53.56 0.78 0.00 0.00 54.17 0.78 0.000.275 125.036 21.69 0.00 126.20 54.17 0.89 0.00 0.00 54.79 0.89 0.00





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RTI 14-143 FILE A 31 of 69

Reck_ Breaching Spreadsheet_ failure0.283 125.056 22.16 0.00 126.20 54.79 1.00 0.00 0.00 55.43 1.00 0.000.292 125.077 22.26 0.00 126.20 55.43 1.13 0.00 0.00 56.06 1.13 0.000.300 125.098 22.35 0.00 126.20 56.06 1.26 0.00 0.00 56.69 1.26 0.000.308 125.119 22.10 0.00 126.20 56.69 1.39 0.00 0.00 57.31 1.39 0.000.317 125.139 21.85 0.00 126.20 57.31 1.53 0.00 0.00 57.92 1.53 0.000.325 125.159 21.38 0.00 126.20 57.92 1.67 0.00 0.00 58.51 1.67 0.000.333 125.181 20.75 0.00 126.20 58.51 1.82 0.00 0.00 59.08 1.82 0.000.342 125.199 20.13 0.00 126.20 59.08 1.95 0.00 0.00 59.63 1.95 0.000.350 125.217 19.50 0.00 126.20 59.63 2.09 0.00 0.00 60.15 2.09 0.000.358 125.234 18.88 0.00 126.20 60.15 2.22 0.00 0.00 60.65 2.22 0.000.367 125.251 18.06 0.00 126.20 60.65 2.35 0.00 0.00 61.12 2.35 0.000.375 125.266 17.20 0.00 126.20 61.12 2.47 0.00 0.00 61.56 2.47 0.000.383 125.281 16.34 0.00 126.20 61.56 2.58 0.00 0.00 61.98 2.58 0.000.392 125.294 15.48 0.00 126.20 61.98 2.69 0.00 0.00 62.36 2.69 0.000.400 125.307 14.63 0.00 126.20 62.36 2.80 0.00 0.00 62.71 2.80 0.000.408 125.319 13.78 0.00 126.20 62.71 2.89 0.00 0.00 63.04 2.89 0.000.417 125.329 12.94 0.00 126.20 63.04 2.98 0.00 0.00 63.34 2.98 0.000.425 125.339 12.09 0.00 126.20 63.34 3.07 0.00 0.00 63.61 3.07 0.000.433 125.348 11.25 0.00 126.20 63.61 3.14 0.00 0.00 63.85 3.14 0.000.442 125.356 10.45 0.00 126.20 63.85 3.21 0.00 0.00 64.07 3.21 0.000.450 125.363 9.84 0.00 126.20 64.07 3.28 0.00 0.00 64.27 3.28 0.000.458 125.370 9.23 0.00 126.20 64.27 3.33 0.00 0.00 64.45 3.33 0.000.467 125.376 8.62 0.00 126.20 64.45 3.38 0.00 0.00 64.60 3.38 0.000.475 125.381 8.02 0.00 126.20 64.60 3.43 0.00 0.00 64.74 3.43 0.000.483 125.385 7.47 0.00 126.20 64.74 3.47 0.00 0.00 64.86 3.47 0.000.492 125.389 7.04 0.00 126.20 64.86 3.50 0.00 0.00 64.97 3.50 0.000.500 125.393 6.60 0.00 126.20 64.97 3.54 0.00 0.00 65.06 3.54 0.000.508 125.396 6.16 0.00 126.20 65.06 3.56 0.00 0.00 65.14 3.56 0.000.517 125.398 5.72 0.00 126.20 65.14 3.59 0.00 0.00 65.20 3.59 0.000.525 125.400 5.34 0.00 126.20 65.20 3.60 0.00 0.00 65.25 3.60 0.000.533 125.402 5.00 0.00 126.20 65.25 3.62 0.00 0.00 65.29 3.62 0.000.542 125.403 4.66 0.00 126.20 65.29 3.63 0.00 0.00 65.32 3.63 0.000.550 125.404 4.31 0.00 126.20 65.32 3.64 0.00 0.00 65.34 3.64 0.000.558 125.405 3.97 0.01 126.18 65.34 3.65 0.00 0.00 65.35 3.65 0.000.567 125.405 3.60 0.07 126.01 65.35 3.65 0.00 0.00 65.35 3.65 0.000.575 125.405 3.22 0.13 125.84 65.35 3.65 0.00 0.00 65.34 3.65 0.000.583 125.405 2.85 0.19 125.67 65.34 3.65 0.00 0.00 65.32 3.65 0.000.592 125.404 2.47 0.25 125.50 65.32 3.64 0.00 0.00 65.28 3.64 0.000.600 125.403 2.10 0.31 125.33 65.28 3.63 0.00 0.01 65.24 3.64 0.010.608 125.401 1.90 0.37 125.15 65.24 3.62 0.00 0.08 65.18 3.70 0.080.617 125.400 1.69 0.43 124.98 65.18 3.60 0.00 0.22 65.12 3.82 0.220.625 125.398 1.49 0.50 124.81 65.12 3.58 0.00 0.43 65.04 4.01 0.430.633 125.395 1.29 0.56 124.64 65.04 3.56 0.00 0.72 64.95 4.27 0.720.642 125.392 1.10 0.62 124.47 64.95 3.53 0.00 1.09 64.85 4.62 1.090.650 125.389 0.99 0.68 124.30 64.85 3.50 0.00 1.55 64.72 5.05 1.550.658 125.385 0.88 0.74 124.13 64.72 3.47 0.00 2.11 64.58 5.58 2.110.667 125.380 0.77 0.80 123.96 64.58 3.42 0.00 2.78 64.42 6.20 2.780.675 125.375 0.67 0.86 123.79 64.42 3.38 0.00 3.55 64.23 6.92 3.550.683 125.369 0.58 0.92 123.62 64.23 3.32 0.00 4.43 64.02 7.75 4.430.692 125.361 0.54 0.98 123.45 64.02 3.26 0.00 5.42 63.77 8.68 5.420.700 125.353 0.50 1.04 123.28 63.77 3.19 0.00 6.53 63.50 9.72 6.530.708 125.344 0.46 1.11 123.11 63.50 3.11 0.00 7.76 63.19 10.87 7.760.717 125.334 0.42 1.17 122.94 63.19 3.02 0.00 9.11 62.83 12.13 9.110.725 125.323 0.38 1.23 122.77 62.83 2.93 0.00 10.58 62.44 13.51 10.580.733 125.310 0.33 1.29 122.60 62.44 2.82 0.00 12.18 62.00 15.00 12.180.742 125.295 0.29 1.35 122.43 62.00 2.70 0.00 13.90 61.51 16.60 13.900.750 125.279 0.25 1.41 122.26 61.51 2.57 0.00 15.74 60.97 18.31 15.740.758 125.261 0.21 1.47 122.09 60.97 2.43 0.00 17.70 60.37 20.13 17.700.767 125.242 0.17 1.53 121.92 60.37 2.27 0.00 19.79 59.71 22.06 19.790.775 125.220 0.13 1.59 121.75 59.71 2.11 0.00 21.99 59.00 24.10 21.990.783 125.196 0.08 1.65 121.58 59.00 1.93 0.00 24.31 58.21 26.25 24.310.792 125.169 0.04 1.71 121.41 58.21 1.73 0.00 26.73 57.36 28.46 26.73


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 32 of 69

Reck_ Breaching Spreadsheet_ failure0.800 125.141 0.00 1.78 121.24 57.36 1.54 0.00 29.27 56.43 30.81 29.270.808 125.110 0.00 1.84 121.07 56.43 1.34 0.00 31.93 55.44 33.27 31.930.817 125.077 0.00 1.90 120.90 55.44 1.13 0.00 34.69 54.36 35.83 34.690.825 125.042 0.00 1.96 120.72 54.36 0.92 0.00 37.56 53.21 38.48 37.560.833 125.004 0.00 2.02 120.55 53.21 0.71 0.00 40.52 51.97 41.23 40.520.842 124.963 0.00 2.05 120.48 51.97 0.51 0.00 41.58 50.71 42.10 41.580.850 124.922 0.00 2.05 120.48 50.71 0.33 0.00 40.93 49.47 41.26 40.930.858 124.881 0.00 2.05 120.48 49.47 0.18 0.00 40.30 48.25 40.48 40.300.867 124.841 0.00 2.05 120.48 48.25 0.06 0.00 39.68 47.06 39.75 39.680.875 124.802 0.00 2.05 120.48 47.06 0.00 0.00 39.08 45.89 39.08 39.080.883 124.750 0.00 2.05 120.48 45.89 0.00 0.00 38.29 44.74 38.29 38.290.892 124.699 0.00 2.05 120.48 44.74 0.00 0.00 37.52 43.61 37.52 37.520.900 124.649 0.00 2.05 120.48 43.61 0.00 0.00 36.77 42.51 36.77 36.770.908 124.599 0.00 2.05 120.48 42.51 0.00 0.00 36.04 41.43 36.04 36.040.917 124.551 0.00 2.05 120.48 41.43 0.00 0.00 35.33 40.37 35.33 35.330.925 124.504 0.00 2.05 120.48 40.37 0.00 0.00 34.64 39.33 34.64 34.640.933 124.457 0.00 2.05 120.48 39.33 0.00 0.00 33.97 38.31 33.97 33.970.942 124.412 0.00 2.05 120.48 38.31 0.00 0.00 33.32 37.31 33.32 33.320.950 124.367 0.00 2.05 120.48 37.31 0.00 0.00 32.69 36.33 32.69 32.690.958 124.323 0.00 2.05 120.48 36.33 0.00 0.00 32.08 35.37 32.08 32.080.967 124.280 0.00 2.05 120.48 35.37 0.00 0.00 31.48 34.43 31.48 31.480.975 124.238 0.00 2.05 120.48 34.43 0.00 0.00 30.89 33.50 30.89 30.890.983 124.196 0.00 2.05 120.48 33.50 0.00 0.00 30.33 32.59 30.33 30.330.992 124.156 0.00 2.05 120.48 32.59 0.00 0.00 29.78 31.70 29.78 29.781.000 124.116 0.00 2.05 120.48 31.70 0.00 0.00 29.24 30.82 29.24 29.241.008 124.076 0.00 2.05 120.48 30.82 0.00 0.00 28.72 29.96 28.72 28.721.017 124.035 0.00 2.05 120.48 29.96 0.00 0.00 28.16 29.11 28.16 28.161.025 123.981 0.00 2.05 120.48 29.11 0.00 0.00 27.46 28.29 27.46 27.461.033 123.929 0.00 2.05 120.48 28.29 0.00 0.00 26.79 27.48 26.79 26.791.042 123.878 0.00 2.05 120.48 27.48 0.00 0.00 26.14 26.70 26.14 26.141.050 123.829 0.00 2.05 120.48 26.70 0.00 0.00 25.51 25.93 25.51 25.511.058 123.780 0.00 2.05 120.48 25.93 0.00 0.00 24.90 25.19 24.90 24.901.067 123.733 0.00 2.05 120.48 25.19 0.00 0.00 24.32 24.46 24.32 24.321.075 123.687 0.00 2.05 120.48 24.46 0.00 0.00 23.75 23.75 23.75 23.751.083 123.642 0.00 2.05 120.48 23.75 0.00 0.00 23.20 23.05 23.20 23.201.092 123.598 0.00 2.05 120.48 23.05 0.00 0.00 22.67 22.37 22.67 22.671.100 123.555 0.00 2.05 120.48 22.37 0.00 0.00 22.16 21.70 22.16 22.161.108 123.512 0.00 2.05 120.48 21.70 0.00 0.00 21.67 21.05 21.67 21.671.117 123.471 0.00 2.05 120.48 21.05 0.00 0.00 21.19 20.42 21.19 21.191.125 123.431 0.00 2.05 120.48 20.42 0.00 0.00 20.72 19.80 20.72 20.721.133 123.392 0.00 2.05 120.48 19.80 0.00 0.00 20.27 19.19 20.27 20.271.142 123.353 0.00 2.05 120.48 19.19 0.00 0.00 19.84 18.59 19.84 19.841.150 123.316 0.00 2.05 120.48 18.59 0.00 0.00 19.41 18.01 19.41 19.411.158 123.273 0.00 2.05 120.48 18.01 0.00 0.00 18.94 17.44 18.94 18.941.167 123.220 0.00 2.05 120.48 17.44 0.00 0.00 18.35 16.89 18.35 18.351.175 123.169 0.00 2.05 120.48 16.89 0.00 0.00 17.80 16.36 17.80 17.801.183 123.119 0.00 2.05 120.48 16.36 0.00 0.00 17.27 15.84 17.27 17.271.192 123.071 0.00 2.05 120.48 15.84 0.00 0.00 16.76 15.34 16.76 16.761.200 123.024 0.00 2.05 120.48 15.34 0.00 0.00 16.27 14.85 16.27 16.271.208 122.978 0.00 2.05 120.48 14.85 0.00 0.00 15.80 14.38 15.80 15.801.217 122.934 0.00 2.05 120.48 14.38 0.00 0.00 15.35 13.92 15.35 15.351.225 122.891 0.00 2.05 120.48 13.92 0.00 0.00 14.92 13.47 14.92 14.921.233 122.849 0.00 2.05 120.48 13.47 0.00 0.00 14.51 13.03 14.51 14.511.242 122.809 0.00 2.05 120.48 13.03 0.00 0.00 14.11 12.61 14.11 14.111.250 122.770 0.00 2.05 120.48 12.61 0.00 0.00 13.73 12.20 13.73 13.731.258 122.731 0.00 2.05 120.48 12.20 0.00 0.00 13.36 11.80 13.36 13.361.267 122.694 0.00 2.05 120.48 11.80 0.00 0.00 13.00 11.41 13.00 13.001.275 122.657 0.00 2.05 120.48 11.41 0.00 0.00 12.66 11.03 12.66 12.661.283 122.622 0.00 2.05 120.48 11.03 0.00 0.00 12.33 10.66 12.33 12.331.292 122.588 0.00 2.05 120.48 10.66 0.00 0.00 12.02 10.30 12.02 12.021.300 122.554 0.00 2.05 120.48 10.30 0.00 0.00 11.71 9.95 11.71 11.711.308 122.511 0.00 2.05 120.48 9.95 0.00 0.00 11.33 9.61 11.33 11.33


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 33 of 69

Reck_ Breaching Spreadsheet_ failure1.317 122.459 0.00 2.05 120.48 9.61 0.00 0.00 10.87 9.28 10.87 10.871.325 122.409 0.00 2.05 120.48 9.28 0.00 0.00 10.44 8.97 10.44 10.441.333 122.362 0.00 2.05 120.48 8.97 0.00 0.00 10.03 8.67 10.03 10.031.342 122.316 0.00 2.05 120.48 8.67 0.00 0.00 9.64 8.38 9.64 9.641.350 122.272 0.00 2.05 120.48 8.38 0.00 0.00 9.28 8.10 9.28 9.281.358 122.229 0.00 2.05 120.48 8.10 0.00 0.00 8.93 7.83 8.93 8.931.367 122.188 0.00 2.05 120.48 7.83 0.00 0.00 8.61 7.57 8.61 8.611.375 122.149 0.00 2.05 120.48 7.57 0.00 0.00 8.29 7.32 8.29 8.291.383 122.111 0.00 2.05 120.48 7.32 0.00 0.00 8.00 7.08 8.00 8.001.392 122.075 0.00 2.05 120.48 7.08 0.00 0.00 7.72 6.85 7.72 7.721.400 122.039 0.00 2.05 120.48 6.85 0.00 0.00 7.45 6.63 7.45 7.451.408 122.005 0.00 2.05 120.48 6.63 0.00 0.00 7.20 6.41 7.20 7.201.417 121.972 0.00 2.05 120.48 6.41 0.00 0.00 6.95 6.20 6.95 6.951.425 121.941 0.00 2.05 120.48 6.20 0.00 0.00 6.72 6.00 6.72 6.721.433 121.910 0.00 2.05 120.48 6.00 0.00 0.00 6.50 5.81 6.50 6.501.442 121.880 0.00 2.05 120.48 5.81 0.00 0.00 6.29 5.62 6.29 6.291.450 121.851 0.00 2.05 120.48 5.62 0.00 0.00 6.09 5.44 6.09 6.091.458 121.823 0.00 2.05 120.48 5.44 0.00 0.00 5.90 5.26 5.90 5.901.467 121.796 0.00 2.05 120.48 5.26 0.00 0.00 5.71 5.09 5.71 5.711.475 121.764 0.00 2.05 120.48 5.09 0.00 0.00 5.50 4.92 5.50 5.501.483 121.727 0.00 2.05 120.48 4.92 0.00 0.00 5.25 4.76 5.25 5.251.492 121.692 0.00 2.05 120.48 4.76 0.00 0.00 5.02 4.61 5.02 5.021.500 121.658 0.00 2.05 120.48 4.61 0.00 0.00 4.81 4.47 4.81 4.811.508 121.626 0.00 2.05 120.48 4.47 0.00 0.00 4.61 4.33 4.61 4.611.517 121.595 0.00 2.05 120.48 4.33 0.00 0.00 4.41 4.20 4.41 4.411.525 121.566 0.00 2.05 120.48 4.20 0.00 0.00 4.23 4.07 4.23 4.231.533 121.537 0.00 2.05 120.48 4.07 0.00 0.00 4.06 3.95 4.06 4.061.542 121.510 0.00 2.05 120.48 3.95 0.00 0.00 3.90 3.83 3.90 3.901.550 121.484 0.00 2.05 120.48 3.83 0.00 0.00 3.75 3.72 3.75 3.751.558 121.459 0.00 2.05 120.48 3.72 0.00 0.00 3.61 3.61 3.61 3.611.567 121.435 0.00 2.05 120.48 3.61 0.00 0.00 3.47 3.51 3.47 3.471.575 121.411 0.00 2.05 120.48 3.51 0.00 0.00 3.34 3.41 3.34 3.341.583 121.389 0.00 2.05 120.48 3.41 0.00 0.00 3.22 3.31 3.22 3.221.592 121.367 0.00 2.05 120.48 3.31 0.00 0.00 3.10 3.22 3.10 3.101.600 121.347 0.00 2.05 120.48 3.22 0.00 0.00 2.99 3.13 2.99 2.991.608 121.326 0.00 2.05 120.48 3.13 0.00 0.00 2.88 3.04 2.88 2.881.617 121.307 0.00 2.05 120.48 3.04 0.00 0.00 2.78 2.96 2.78 2.781.625 121.288 0.00 2.05 120.48 2.96 0.00 0.00 2.69 2.88 2.69 2.691.633 121.270 0.00 2.05 120.48 2.88 0.00 0.00 2.60 2.80 2.60 2.601.642 121.253 0.00 2.05 120.48 2.80 0.00 0.00 2.51 2.73 2.51 2.511.650 121.236 0.00 2.05 120.48 2.73 0.00 0.00 2.43 2.65 2.43 2.431.658 121.220 0.00 2.05 120.48 2.65 0.00 0.00 2.35 2.58 2.35 2.351.667 121.204 0.00 2.05 120.48 2.58 0.00 0.00 2.27 2.51 2.27 2.271.675 121.189 0.00 2.05 120.48 2.51 0.00 0.00 2.20 2.45 2.20 2.201.683 121.174 0.00 2.05 120.48 2.45 0.00 0.00 2.13 2.38 2.13 2.131.692 121.160 0.00 2.05 120.48 2.38 0.00 0.00 2.06 2.32 2.06 2.061.700 121.146 0.00 2.05 120.48 2.32 0.00 0.00 2.00 2.26 2.00 2.001.708 121.133 0.00 2.05 120.48 2.26 0.00 0.00 1.94 2.20 1.94 1.941.717 121.120 0.00 2.05 120.48 2.20 0.00 0.00 1.88 2.15 1.88 1.881.725 121.107 0.00 2.05 120.48 2.15 0.00 0.00 1.82 2.09 1.82 1.821.733 121.095 0.00 2.05 120.48 2.09 0.00 0.00 1.77 2.04 1.77 1.771.742 121.083 0.00 2.05 120.48 2.04 0.00 0.00 1.72 1.99 1.72 1.721.750 121.071 0.00 2.05 120.48 1.99 0.00 0.00 1.67 1.94 1.67 1.671.758 121.060 0.00 2.05 120.48 1.94 0.00 0.00 1.62 1.89 1.62 1.621.767 121.049 0.00 2.05 120.48 1.89 0.00 0.00 1.57 1.84 1.57 1.571.775 121.039 0.00 2.05 120.48 1.84 0.00 0.00 1.53 1.80 1.53 1.53


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 34 of 69



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RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 35 of 69


Sunny Day Failure - OID_No Required 22Embankment Details BREACH CalculationEL Spillway 54.6 m (AHD) Volume of water lost (assumed) = 82 megalitresWidth Spillway 5 m Actual Volume released = #N/AEL Embankment 55.9 m (AHD) Head differential (80% of HW-TW) = 4.24 metresCentreline EL of initial Pipe 51.5 42 Breach Formation Factor = 3.48E+02




slope 1H: 0.75 V




Max Total Q = #N/A m3/sec B/b ratio 1.66 1.06 < B/b < 1.74 with a mean of 1.3 & standard deviation of 0.18Max HW EL = #N/A m









0.000 54.600 0.00 51.53 51.53 51.53 Pipe #N/A 0.00 0.00 #N/A 0.000.033 #N/A 0.23 51.27 52.04 51.78 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.067 #N/A 0.46 51.01 52.55 52.04 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.100 #N/A 0.69 50.76 53.06 52.29 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.133 #N/A 0.92 50.50 53.57 52.55 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.167 #N/A 1.16 50.25 54.08 52.81 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.200 #N/A 1.39 49.99 54.60 53.06 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.233 #N/A 1.62 49.73 55.11 53.32 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.267 #N/A 1.85 49.48 55.62 53.57 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A0.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A


Centreline must be in the range 49.3m to 54.6m

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1.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.167 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.200 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.233 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.267 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A1.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.167 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.200 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.233 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.267 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.300 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.333 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.367 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.400 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.433 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.467 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.500 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.533 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.567 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.600 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.633 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.667 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.700 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.733 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.767 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.800 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.833 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.867 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.900 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.933 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A2.967 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.000 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.033 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.067 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.100 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A3.133 #N/A 2.01 49.30 55.98 53.75 #N/A #N/A #N/A #N/A #N/A #N/A #N/A

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0

0

0

0

0

1

1

1

1

1

1

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

Out

flow

(m3 /s

ec)

Time (hrs)


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Version 1.1

Version: 1.3




Instruction Page

Start a New Model

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0.02 0.0 1.88 0.00.04 0.0 20.63 0.00.06 0.5 45.00 0.10.08 1.4 67.50 0.40.12 4.1 106.88 0.90.16 8.3 101.25 1.50.2 12.4 157.50 2.2

0.24 18.7 86.25 2.90.28 22.1 11.25 1.60.3 22.4 -30.00 1.6

0.32 21.8 -75.00 2.90.36 18.8 -103.13 2.40.4 14.6 -101.25 1.8

0.44 10.6 -73.13 1.30.48 7.7 -52.50 1.00.52 5.6 -41.25 0.70.56 3.9 -45.00 0.40.6 2.1 -24.38 0.2

0.64 1.1 -13.13 0.10.68 0.6 -5.00 0.10.8 0.0 0.00 0.0



0.0

5.0

10.0

15.0

20.0

25.0

0 0.5 1

Flow

(m3 /s

ec)

Time (Hours)

Inflow hydrograph

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59 EL2 124.8 47 1.8 47.0 3.04 0.00 1.24EL3 126.22 86 3.6 90.1 3.04 4.13 0.56EL4 #N/A #N/A #N/A #N/A


2 0.167 0.038 121.03 1.8 4.5 121.03 2.24E-01 0.4473 0.333 0.110 121.78 5.2 6.6 121.78 1.52E-01 0.6564 0.500 0.215 122.54 10.1 10.7 122.54 9.32E-02 1.0735 0.667 0.388 123.29 18.2 15.8 123.29 6.33E-02 1.5806 0.833 0.641 124.05 30.1 22.4 124.05 4.47E-02 2.2367 1.000 1.000 124.80 47.0 30.4 124.80 3.29E-02 3.0418 1.083 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.1009 0.000 1.244 125.18 58.5 1.0 125.18 1.00E+00 0.10010 0.000 1.244 125.18 58.5 30.4 125.18 3.29E-02 3.04111 126.22 90.1 0.7 126.22 1.40E+00 0.071


Difference

EstimatedActual

Maximum Point

Actual


Estimated


EL1

EL2

EL3

120.00

121.00

122.00

123.00

124.00

125.00

126.00

127.00

128.00

0 20 40 60 80 100

Elev

atio

n (m

)

Volume (ML)

Storage Curve

Clear Data


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Flood Failure - OID_No Required 22Embankment Details BREACH CalculationEL Spillway 124.8 m (AHD) Volume of water lost (assumed) = 63 megalitresWidth Spillway 5 m Actual Volume released = 63EL Embankment 126.2 m (AHD) Head differential (80% of HW-TW) = 4.74 metresEL failure 125.405 m (AHD) Breach Formation Factor = 2.99E+02Length of embankment 515 m Vol of material removed = 1.89E+02 m3 1.00

Coefficient of spillway discharge 1.55 BREACH DEVELOPMENT TIME = 0.28 hours 5.8 megalitres


slope 1H: 0.750 V








(m AHD)


(Ml)





(Ml)



0.000 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.008 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.017 124.800 0.00 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.025 124.800 0.01 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.033 124.800 0.03 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.042 124.800 0.07 0.00 126.20 47.00 0.00 0.00 0.00 47.00 0.00 0.000.050 124.800 0.24 0.00 126.20 47.00 0.00 0.00 0.00 47.01 0.00 0.000.058 124.800 0.42 0.00 126.20 47.01 0.00 0.00 0.00 47.02 0.00 0.000.067 124.801 0.75 0.00 126.20 47.02 0.00 0.00 0.00 47.05 0.00 0.000.075 124.801 1.13 0.00 126.20 47.05 0.00 0.00 0.00 47.08 0.00 0.000.083 124.803 1.58 0.00 126.20 47.08 0.00 0.00 0.00 47.13 0.00 0.000.092 124.804 2.14 0.00 126.20 47.13 0.00 0.00 0.00 47.19 0.00 0.000.100 124.806 2.70 0.00 126.20 47.19 0.00 0.00 0.00 47.27 0.00 0.000.108 124.809 3.26 0.00 126.20 47.27 0.01 0.00 0.00 47.37 0.01 0.000.117 124.812 3.83 0.00 126.20 47.37 0.01 0.00 0.00 47.48 0.01 0.000.125 124.816 4.58 0.00 126.20 47.48 0.02 0.00 0.00 47.62 0.02 0.000.133 124.820 5.48 0.00 126.20 47.62 0.02 0.00 0.00 47.78 0.02 0.000.142 124.826 6.37 0.00 126.20 47.78 0.03 0.00 0.00 47.97 0.03 0.000.150 124.832 7.26 0.00 126.20 47.97 0.04 0.00 0.00 48.19 0.04 0.000.158 124.839 8.15 0.00 126.20 48.19 0.06 0.00 0.00 48.43 0.06 0.000.167 124.847 9.00 0.00 126.20 48.43 0.08 0.00 0.00 48.70 0.08 0.000.175 124.856 9.84 0.00 126.20 48.70 0.10 0.00 0.00 48.99 0.10 0.000.183 124.866 10.69 0.00 126.20 48.99 0.13 0.00 0.00 49.31 0.13 0.000.192 124.876 11.53 0.00 126.20 49.31 0.16 0.00 0.00 49.65 0.16 0.000.200 124.887 12.38 0.00 126.20 49.65 0.20 0.00 0.00 50.02 0.20 0.000.208 124.899 13.69 0.00 126.20 50.02 0.24 0.00 0.00 50.42 0.24 0.000.217 124.912 15.00 0.00 126.20 50.42 0.29 0.00 0.00 50.86 0.29 0.000.225 124.927 16.31 0.00 126.20 50.86 0.35 0.00 0.00 51.34 0.35 0.000.233 124.943 17.63 0.00 126.20 51.34 0.42 0.00 0.00 51.86 0.42 0.000.242 124.960 18.82 0.00 126.20 51.86 0.49 0.00 0.00 52.41 0.49 0.000.250 124.978 19.54 0.00 126.20 52.41 0.58 0.00 0.00 52.97 0.58 0.000.258 124.996 20.26 0.00 126.20 52.97 0.67 0.00 0.00 53.56 0.67 0.000.267 125.016 20.98 0.00 126.20 53.56 0.78 0.00 0.00 54.17 0.78 0.000.275 125.036 21.69 0.00 126.20 54.17 0.89 0.00 0.00 54.79 0.89 0.00





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EWS

RTI 14-143 FILE A 48 of 69

Reck_ Breaching Spreadsheet_Moved failure0.283 125.056 22.16 0.00 126.20 54.79 1.00 0.00 0.00 55.43 1.00 0.000.292 125.077 22.26 0.00 126.20 55.43 1.13 0.00 0.00 56.06 1.13 0.000.300 125.098 22.35 0.00 126.20 56.06 1.26 0.00 0.00 56.69 1.26 0.000.308 125.119 22.10 0.00 126.20 56.69 1.39 0.00 0.00 57.31 1.39 0.000.317 125.139 21.85 0.00 126.20 57.31 1.53 0.00 0.00 57.92 1.53 0.000.325 125.159 21.38 0.00 126.20 57.92 1.67 0.00 0.00 58.51 1.67 0.000.333 125.181 20.75 0.00 126.20 58.51 1.82 0.00 0.00 59.08 1.82 0.000.342 125.199 20.13 0.00 126.20 59.08 1.95 0.00 0.00 59.63 1.95 0.000.350 125.217 19.50 0.00 126.20 59.63 2.09 0.00 0.00 60.15 2.09 0.000.358 125.234 18.88 0.00 126.20 60.15 2.22 0.00 0.00 60.65 2.22 0.000.367 125.251 18.06 0.00 126.20 60.65 2.35 0.00 0.00 61.12 2.35 0.000.375 125.266 17.20 0.00 126.20 61.12 2.47 0.00 0.00 61.56 2.47 0.000.383 125.281 16.34 0.00 126.20 61.56 2.58 0.00 0.00 61.98 2.58 0.000.392 125.294 15.48 0.00 126.20 61.98 2.69 0.00 0.00 62.36 2.69 0.000.400 125.307 14.63 0.00 126.20 62.36 2.80 0.00 0.00 62.71 2.80 0.000.408 125.319 13.78 0.00 126.20 62.71 2.89 0.00 0.00 63.04 2.89 0.000.417 125.329 12.94 0.00 126.20 63.04 2.98 0.00 0.00 63.34 2.98 0.000.425 125.339 12.09 0.00 126.20 63.34 3.07 0.00 0.00 63.61 3.07 0.000.433 125.348 11.25 0.00 126.20 63.61 3.14 0.00 0.00 63.85 3.14 0.000.442 125.356 10.45 0.00 126.20 63.85 3.21 0.00 0.00 64.07 3.21 0.000.450 125.363 9.84 0.00 126.20 64.07 3.28 0.00 0.00 64.27 3.28 0.000.458 125.370 9.23 0.00 126.20 64.27 3.33 0.00 0.00 64.45 3.33 0.000.467 125.376 8.62 0.00 126.20 64.45 3.38 0.00 0.00 64.60 3.38 0.000.475 125.381 8.02 0.00 126.20 64.60 3.43 0.00 0.00 64.74 3.43 0.000.483 125.385 7.47 0.00 126.20 64.74 3.47 0.00 0.00 64.86 3.47 0.000.492 125.389 7.04 0.00 126.20 64.86 3.50 0.00 0.00 64.97 3.50 0.000.500 125.393 6.60 0.00 126.20 64.97 3.54 0.00 0.00 65.06 3.54 0.000.508 125.396 6.16 0.00 126.20 65.06 3.56 0.00 0.00 65.14 3.56 0.000.517 125.398 5.72 0.00 126.20 65.14 3.59 0.00 0.00 65.20 3.59 0.000.525 125.400 5.34 0.00 126.20 65.20 3.60 0.00 0.00 65.25 3.60 0.000.533 125.402 5.00 0.00 126.20 65.25 3.62 0.00 0.00 65.29 3.62 0.000.542 125.403 4.66 0.00 126.20 65.29 3.63 0.00 0.00 65.32 3.63 0.000.550 125.404 4.31 0.00 126.20 65.32 3.64 0.00 0.00 65.34 3.64 0.000.558 125.405 3.97 0.01 126.18 65.34 3.65 0.00 0.00 65.35 3.65 0.000.567 125.405 3.60 0.07 126.00 65.35 3.65 0.00 0.00 65.35 3.65 0.000.575 125.405 3.22 0.12 125.82 65.35 3.65 0.00 0.00 65.34 3.65 0.000.583 125.405 2.85 0.18 125.65 65.34 3.65 0.00 0.00 65.32 3.65 0.000.592 125.404 2.47 0.24 125.47 65.32 3.64 0.00 0.00 65.28 3.64 0.000.600 125.403 2.10 0.30 125.29 65.28 3.63 0.00 0.02 65.23 3.65 0.020.608 125.401 1.90 0.36 125.12 65.23 3.62 0.00 0.10 65.18 3.72 0.100.617 125.400 1.69 0.42 124.94 65.18 3.60 0.00 0.25 65.12 3.85 0.250.625 125.398 1.49 0.47 124.77 65.12 3.58 0.00 0.47 65.04 4.05 0.470.633 125.395 1.29 0.53 124.59 65.04 3.56 0.00 0.77 64.95 4.33 0.770.642 125.392 1.10 0.59 124.41 64.95 3.53 0.00 1.16 64.84 4.69 1.160.650 125.388 0.99 0.65 124.24 64.84 3.50 0.00 1.65 64.72 5.15 1.650.658 125.384 0.88 0.71 124.06 64.72 3.46 0.00 2.24 64.57 5.70 2.240.667 125.380 0.77 0.77 123.88 64.57 3.42 0.00 2.93 64.40 6.35 2.930.675 125.374 0.67 0.83 123.71 64.40 3.37 0.00 3.73 64.21 7.10 3.730.683 125.368 0.58 0.88 123.53 64.21 3.32 0.00 4.65 63.99 7.96 4.650.692 125.361 0.54 0.94 123.35 63.99 3.25 0.00 5.68 63.74 8.93 5.680.700 125.352 0.50 1.00 123.18 63.74 3.18 0.00 6.83 63.45 10.01 6.830.708 125.343 0.46 1.06 123.00 63.45 3.10 0.00 8.11 63.13 11.21 8.110.717 125.332 0.42 1.12 122.83 63.13 3.01 0.00 9.51 62.77 12.52 9.510.725 125.320 0.38 1.18 122.65 62.77 2.91 0.00 11.03 62.36 13.94 11.030.733 125.307 0.33 1.23 122.47 62.36 2.80 0.00 12.69 61.90 15.48 12.690.742 125.292 0.29 1.29 122.30 61.90 2.67 0.00 14.47 61.40 17.14 14.470.750 125.275 0.25 1.35 122.12 61.40 2.54 0.00 16.37 60.84 18.91 16.370.758 125.257 0.21 1.41 121.94 60.84 2.39 0.00 18.40 60.22 20.80 18.400.767 125.237 0.17 1.47 121.77 60.22 2.24 0.00 20.56 59.54 22.79 20.560.775 125.214 0.13 1.53 121.59 59.54 2.07 0.00 22.84 58.80 24.90 22.840.783 125.190 0.08 1.58 121.42 58.80 1.89 0.00 25.24 57.99 27.12 25.240.792 125.161 0.04 1.64 121.24 57.99 1.68 0.00 27.73 57.11 29.41 27.73


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 49 of 69

Reck_ Breaching Spreadsheet_Moved failure0.800 125.132 0.00 1.70 121.06 57.11 1.48 0.00 30.36 56.15 31.85 30.360.808 125.101 0.00 1.76 120.89 56.15 1.28 0.00 33.10 55.12 34.38 33.100.817 125.067 0.00 1.82 120.71 55.12 1.07 0.00 35.96 54.01 37.02 35.960.825 125.030 0.00 1.88 120.53 54.01 0.86 0.00 38.91 52.82 39.77 38.910.833 124.991 0.00 1.93 120.36 52.82 0.65 0.00 41.96 51.54 42.61 41.960.842 124.949 0.00 1.96 120.28 51.54 0.45 0.00 43.06 50.23 43.51 43.060.850 124.906 0.00 1.96 120.28 50.23 0.27 0.00 42.39 48.95 42.66 42.390.858 124.864 0.00 1.96 120.28 48.95 0.13 0.00 41.73 47.70 41.86 41.730.867 124.823 0.00 1.96 120.28 47.70 0.03 0.00 41.09 46.46 41.12 41.090.875 124.776 0.00 1.96 120.28 46.46 0.00 0.00 40.37 45.25 40.37 40.370.883 124.722 0.00 1.96 120.28 45.25 0.00 0.00 39.55 44.07 39.55 39.550.892 124.669 0.00 1.96 120.28 44.07 0.00 0.00 38.75 42.90 38.75 38.750.900 124.617 0.00 1.96 120.28 42.90 0.00 0.00 37.97 41.77 37.97 37.970.908 124.566 0.00 1.96 120.28 41.77 0.00 0.00 37.22 40.65 37.22 37.220.917 124.516 0.00 1.96 120.28 40.65 0.00 0.00 36.48 39.55 36.48 36.480.925 124.467 0.00 1.96 120.28 39.55 0.00 0.00 35.77 38.48 35.77 35.770.933 124.419 0.00 1.96 120.28 38.48 0.00 0.00 35.08 37.43 35.08 35.080.942 124.372 0.00 1.96 120.28 37.43 0.00 0.00 34.41 36.40 34.41 34.410.950 124.326 0.00 1.96 120.28 36.40 0.00 0.00 33.76 35.38 33.76 33.760.958 124.281 0.00 1.96 120.28 35.38 0.00 0.00 33.12 34.39 33.12 33.120.967 124.236 0.00 1.96 120.28 34.39 0.00 0.00 32.51 33.41 32.51 32.510.975 124.193 0.00 1.96 120.28 33.41 0.00 0.00 31.91 32.46 31.91 31.910.983 124.150 0.00 1.96 120.28 32.46 0.00 0.00 31.32 31.52 31.32 31.320.992 124.108 0.00 1.96 120.28 31.52 0.00 0.00 30.75 30.60 30.75 30.751.000 124.066 0.00 1.96 120.28 30.60 0.00 0.00 30.20 29.69 30.20 30.201.008 124.018 0.00 1.96 120.28 29.69 0.00 0.00 29.55 28.80 29.55 29.551.017 123.962 0.00 1.96 120.28 28.80 0.00 0.00 28.81 27.94 28.81 28.811.025 123.907 0.00 1.96 120.28 27.94 0.00 0.00 28.10 27.10 28.10 28.101.033 123.854 0.00 1.96 120.28 27.10 0.00 0.00 27.41 26.27 27.41 27.411.042 123.802 0.00 1.96 120.28 26.27 0.00 0.00 26.75 25.47 26.75 26.751.050 123.751 0.00 1.96 120.28 25.47 0.00 0.00 26.11 24.69 26.11 26.111.058 123.701 0.00 1.96 120.28 24.69 0.00 0.00 25.49 23.92 25.49 25.491.067 123.653 0.00 1.96 120.28 23.92 0.00 0.00 24.90 23.18 24.90 24.901.075 123.606 0.00 1.96 120.28 23.18 0.00 0.00 24.32 22.45 24.32 24.321.083 123.559 0.00 1.96 120.28 22.45 0.00 0.00 23.76 21.73 23.76 23.761.092 123.514 0.00 1.96 120.28 21.73 0.00 0.00 23.23 21.04 23.23 23.231.100 123.470 0.00 1.96 120.28 21.04 0.00 0.00 22.70 20.36 22.70 22.701.108 123.427 0.00 1.96 120.28 20.36 0.00 0.00 22.20 19.69 22.20 22.201.117 123.385 0.00 1.96 120.28 19.69 0.00 0.00 21.71 19.04 21.71 21.711.125 123.344 0.00 1.96 120.28 19.04 0.00 0.00 21.24 18.40 21.24 21.241.133 123.303 0.00 1.96 120.28 18.40 0.00 0.00 20.78 17.78 20.78 20.781.142 123.251 0.00 1.96 120.28 17.78 0.00 0.00 20.19 17.17 20.19 20.191.150 123.194 0.00 1.96 120.28 17.17 0.00 0.00 19.56 16.58 19.56 19.561.158 123.140 0.00 1.96 120.28 16.58 0.00 0.00 18.97 16.02 18.97 18.971.167 123.087 0.00 1.96 120.28 16.02 0.00 0.00 18.39 15.46 18.39 18.391.175 123.035 0.00 1.96 120.28 15.46 0.00 0.00 17.85 14.93 17.85 17.851.183 122.985 0.00 1.96 120.28 14.93 0.00 0.00 17.32 14.41 17.32 17.321.192 122.937 0.00 1.96 120.28 14.41 0.00 0.00 16.82 13.90 16.82 16.821.200 122.890 0.00 1.96 120.28 13.90 0.00 0.00 16.34 13.41 16.34 16.341.208 122.844 0.00 1.96 120.28 13.41 0.00 0.00 15.87 12.94 15.87 15.871.217 122.800 0.00 1.96 120.28 12.94 0.00 0.00 15.43 12.48 15.43 15.431.225 122.757 0.00 1.96 120.28 12.48 0.00 0.00 15.00 12.03 15.00 15.001.233 122.715 0.00 1.96 120.28 12.03 0.00 0.00 14.59 11.59 14.59 14.591.242 122.674 0.00 1.96 120.28 11.59 0.00 0.00 14.20 11.16 14.20 14.201.250 122.635 0.00 1.96 120.28 11.16 0.00 0.00 13.82 10.75 13.82 13.821.258 122.596 0.00 1.96 120.28 10.75 0.00 0.00 13.46 10.34 13.46 13.461.267 122.558 0.00 1.96 120.28 10.34 0.00 0.00 13.11 9.95 13.11 13.111.275 122.512 0.00 1.96 120.28 9.95 0.00 0.00 12.68 9.57 12.68 12.681.283 122.454 0.00 1.96 120.28 9.57 0.00 0.00 12.15 9.20 12.15 12.151.292 122.398 0.00 1.96 120.28 9.20 0.00 0.00 11.66 8.86 11.66 11.661.300 122.345 0.00 1.96 120.28 8.86 0.00 0.00 11.19 8.52 11.19 11.191.308 122.294 0.00 1.96 120.28 8.52 0.00 0.00 10.75 8.20 10.75 10.75


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 50 of 69

Reck_ Breaching Spreadsheet_Moved failure1.317 122.244 0.00 1.96 120.28 8.20 0.00 0.00 10.33 7.89 10.33 10.331.325 122.197 0.00 1.96 120.28 7.89 0.00 0.00 9.94 7.59 9.94 9.941.333 122.152 0.00 1.96 120.28 7.59 0.00 0.00 9.57 7.30 9.57 9.571.342 122.108 0.00 1.96 120.28 7.30 0.00 0.00 9.21 7.03 9.21 9.211.350 122.066 0.00 1.96 120.28 7.03 0.00 0.00 8.88 6.76 8.88 8.881.358 122.025 0.00 1.96 120.28 6.76 0.00 0.00 8.56 6.50 8.56 8.561.367 121.986 0.00 1.96 120.28 6.50 0.00 0.00 8.26 6.25 8.26 8.261.375 121.948 0.00 1.96 120.28 6.25 0.00 0.00 7.97 6.02 7.97 7.971.383 121.912 0.00 1.96 120.28 6.02 0.00 0.00 7.69 5.78 7.69 7.691.392 121.877 0.00 1.96 120.28 5.78 0.00 0.00 7.43 5.56 7.43 7.431.400 121.843 0.00 1.96 120.28 5.56 0.00 0.00 7.19 5.35 7.19 7.191.408 121.810 0.00 1.96 120.28 5.35 0.00 0.00 6.95 5.14 6.95 6.951.417 121.776 0.00 1.96 120.28 5.14 0.00 0.00 6.71 4.94 6.71 6.711.425 121.731 0.00 1.96 120.28 4.94 0.00 0.00 6.39 4.74 6.39 6.391.433 121.688 0.00 1.96 120.28 4.74 0.00 0.00 6.10 4.56 6.10 6.101.442 121.647 0.00 1.96 120.28 4.56 0.00 0.00 5.82 4.39 5.82 5.821.450 121.608 0.00 1.96 120.28 4.39 0.00 0.00 5.56 4.22 5.56 5.561.458 121.571 0.00 1.96 120.28 4.22 0.00 0.00 5.32 4.06 5.32 5.321.467 121.535 0.00 1.96 120.28 4.06 0.00 0.00 5.09 3.91 5.09 5.091.475 121.501 0.00 1.96 120.28 3.91 0.00 0.00 4.88 3.76 4.88 4.881.483 121.468 0.00 1.96 120.28 3.76 0.00 0.00 4.68 3.62 4.68 4.681.492 121.437 0.00 1.96 120.28 3.62 0.00 0.00 4.48 3.49 4.48 4.481.500 121.407 0.00 1.96 120.28 3.49 0.00 0.00 4.30 3.36 4.30 4.301.508 121.378 0.00 1.96 120.28 3.36 0.00 0.00 4.13 3.23 4.13 4.131.517 121.350 0.00 1.96 120.28 3.23 0.00 0.00 3.97 3.11 3.97 3.971.525 121.323 0.00 1.96 120.28 3.11 0.00 0.00 3.82 3.00 3.82 3.821.533 121.298 0.00 1.96 120.28 3.00 0.00 0.00 3.68 2.89 3.68 3.681.542 121.273 0.00 1.96 120.28 2.89 0.00 0.00 3.54 2.78 3.54 3.541.550 121.249 0.00 1.96 120.28 2.78 0.00 0.00 3.41 2.68 3.41 3.411.558 121.226 0.00 1.96 120.28 2.68 0.00 0.00 3.29 2.58 3.29 3.291.567 121.204 0.00 1.96 120.28 2.58 0.00 0.00 3.17 2.49 3.17 3.171.575 121.183 0.00 1.96 120.28 2.49 0.00 0.00 3.06 2.40 3.06 3.061.583 121.163 0.00 1.96 120.28 2.40 0.00 0.00 2.95 2.31 2.95 2.951.592 121.143 0.00 1.96 120.28 2.31 0.00 0.00 2.85 2.22 2.85 2.851.600 121.124 0.00 1.96 120.28 2.22 0.00 0.00 2.75 2.14 2.75 2.751.608 121.105 0.00 1.96 120.28 2.14 0.00 0.00 2.66 2.06 2.66 2.661.617 121.087 0.00 1.96 120.28 2.06 0.00 0.00 2.57 1.98 2.57 2.571.625 121.070 0.00 1.96 120.28 1.98 0.00 0.00 2.49 1.91 2.49 2.491.633 121.053 0.00 1.96 120.28 1.91 0.00 0.00 2.41 1.84 2.41 2.411.642 121.037 0.00 1.96 120.28 1.84 0.00 0.00 2.33 1.77 2.33 2.331.650 121.015 0.00 1.96 120.28 1.77 0.00 0.00 2.23 1.70 2.23 2.231.658 120.987 0.00 1.96 120.28 1.70 0.00 0.00 2.10 1.64 2.10 2.101.667 120.961 0.00 1.96 120.28 1.64 0.00 0.00 1.98 1.58 1.98 1.981.675 120.936 0.00 1.96 120.28 1.58 0.00 0.00 1.87 1.52 1.87 1.871.683 120.912 0.00 1.96 120.28 1.52 0.00 0.00 1.77 1.47 1.77 1.771.692 120.890 0.00 1.96 120.28 1.47 0.00 0.00 1.68 1.42 1.68 1.681.700 120.869 0.00 1.96 120.28 1.42 0.00 0.00 1.59 1.37 1.59 1.591.708 120.849 0.00 1.96 120.28 1.37 0.00 0.00 1.51 1.32 1.51 1.511.717 120.830 0.00 1.96 120.28 1.32 0.00 0.00 1.43 1.28 1.43 1.431.725 120.812 0.00 1.96 120.28 1.28 0.00 0.00 1.36 1.24 1.36 1.361.733 120.795 0.00 1.96 120.28 1.24 0.00 0.00 1.30 1.20 1.30 1.301.742 120.778 0.00 1.96 120.28 1.20 0.00 0.00 1.23 1.16 1.23 1.231.750 120.763 0.00 1.96 120.28 1.16 0.00 0.00 1.18 1.13 1.18 1.181.758 120.748 0.00 1.96 120.28 1.13 0.00 0.00 1.12 1.09 1.12 1.121.767 120.734 0.00 1.96 120.28 1.09 0.00 0.00 1.07 1.06 1.07 1.071.775 120.720 0.00 1.96 120.28 1.06 0.00 0.00 1.02 1.03 1.02 1.02


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 51 of 69



0

5

10

15

20

25

30

35

40

45

50

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0

Dis

char

ge (m

3/se

c)

Time (hrs)



DAM CREST FLOOD


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 52 of 69


Sunny Day Failure - OID_No Required 22Embankment Details BREACH CalculationEL Spillway 124.8 m (AHD) Volume of water lost (assumed) = 47 megalitresWidth Spillway 5 m Actual Volume released = 47EL Embankment 126.2 m (AHD) Head differential (80% of HW-TW) = 3.62 metresCentreline EL of initial Pipe 122.5 50 Breach Formation Factor = 1.70E+02




slope 1H: 0.75 V













0.000 124.800 0.00 122.54 122.54 122.54 Pipe 47.00 0.00 0.00 47.00 0.000.033 124.800 0.12 122.22 123.17 122.85 Pipe 47.00 0.00 0.31 46.96 0.31 0.00.067 124.798 0.25 121.91 123.79 123.17 Pipe 46.96 0.00 1.25 46.81 1.25 0.10.100 124.792 0.37 121.59 124.42 123.48 Pipe 46.81 0.00 2.80 46.48 2.80 0.40.133 124.777 0.50 121.28 125.05 123.79 Pipe 46.48 0.00 4.96 45.88 4.96 0.80.167 124.750 0.62 120.97 125.68 124.11 Pipe 45.88 0.00 7.70 44.96 7.70 1.60.200 124.709 0.75 120.65 126.31 124.42 Weir 44.96 0.00 16.83 42.94 16.83 3.10.233 124.618 0.87 120.34 126.94 124.74 Weir 42.94 0.00 20.51 40.48 20.51 5.30.267 124.508 0.89 120.28 127.06 124.80 Weir 40.48 0.00 20.47 38.02 20.47 7.80.300 124.399 0.89 120.28 127.06 124.80 Weir 38.02 0.00 19.50 35.68 19.50 10.10.333 124.294 0.89 120.28 127.06 124.80 Weir 35.68 0.00 18.60 33.45 18.60 12.40.367 124.194 0.89 120.28 127.06 124.80 Weir 33.45 0.00 17.76 31.32 17.76 14.60.400 124.099 0.89 120.28 127.06 124.80 Weir 31.32 0.00 16.98 29.28 16.98 16.70.433 123.992 0.89 120.28 127.06 124.80 Weir 29.28 0.00 16.12 27.35 16.12 18.70.467 123.869 0.89 120.28 127.06 124.80 Weir 27.35 0.00 15.17 25.53 15.17 20.60.500 123.754 0.89 120.28 127.06 124.80 Weir 25.53 0.00 14.30 23.81 14.30 22.30.533 123.646 0.89 120.28 127.06 124.80 Weir 23.81 0.00 13.51 22.19 13.51 24.00.567 123.543 0.89 120.28 127.06 124.80 Weir 22.19 0.00 12.78 20.65 12.78 25.60.600 123.446 0.89 120.28 127.06 124.80 Weir 20.65 0.00 12.11 19.20 12.11 27.10.633 123.354 0.89 120.28 127.06 124.80 Weir 19.20 0.00 11.49 17.82 11.49 28.50.667 123.255 0.89 120.28 127.06 124.80 Weir 17.82 0.00 10.84 16.52 10.84 29.80.700 123.134 0.89 120.28 127.06 124.80 Weir 16.52 0.00 10.07 15.31 10.07 31.10.733 123.021 0.89 120.28 127.06 124.80 Weir 15.31 0.00 9.39 14.19 9.39 32.30.767 122.916 0.89 120.28 127.06 124.80 Weir 14.19 0.00 8.77 13.13 8.77 33.30.800 122.818 0.89 120.28 127.06 124.80 Weir 13.13 0.00 8.21 12.15 8.21 34.40.833 122.727 0.89 120.28 127.06 124.80 Weir 12.15 0.00 7.70 11.23 7.70 35.30.867 122.641 0.89 120.28 127.06 124.80 Weir 11.23 0.00 7.24 10.36 7.24 36.20.900 122.560 0.89 120.28 127.06 124.80 Weir 10.36 0.00 6.81 9.54 6.81 37.10.933 122.449 0.89 120.28 127.06 124.80 Weir 9.54 0.00 6.26 8.79 6.26 37.80.967 122.335 0.89 120.28 127.06 124.80 Weir 8.79 0.00 5.70 8.10 5.70 38.61.000 122.230 0.89 120.28 127.06 124.80 Weir 8.10 0.00 5.22 7.48 5.22 39.21.033 122.135 0.89 120.28 127.06 124.80 Weir 7.48 0.00 4.80 6.90 4.80 39.81.067 122.047 0.89 120.28 127.06 124.80 Weir 6.90 0.00 4.42 6.37 4.42 40.41.100 121.966 0.89 120.28 127.06 124.80 Weir 6.37 0.00 4.09 5.88 4.09 40.9


Centreline must be in the range 120.275m to

124.8m

Reck_ Breaching Spreadsheet_Moved failure Sunny Day

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 53 of 69


1.133 121.891 0.89 120.28 127.06 124.80 Weir 5.88 0.00 3.79 5.43 3.79 41.31.167 121.822 0.89 120.28 127.06 124.80 Weir 5.43 0.00 3.52 5.00 3.52 41.81.200 121.746 0.89 120.28 127.06 124.80 Weir 5.00 0.00 3.24 4.62 3.24 42.21.233 121.659 0.89 120.28 127.06 124.80 Weir 4.62 0.00 2.93 4.26 2.93 42.61.267 121.580 0.89 120.28 127.06 124.80 Weir 4.26 0.00 2.66 3.94 2.66 42.91.300 121.509 0.89 120.28 127.06 124.80 Weir 3.94 0.00 2.43 3.65 2.43 43.21.333 121.444 0.89 120.28 127.06 124.80 Weir 3.65 0.00 2.22 3.39 2.22 43.51.367 121.384 0.89 120.28 127.06 124.80 Weir 3.39 0.00 2.04 3.14 2.04 43.71.400 121.329 0.89 120.28 127.06 124.80 Weir 3.14 0.00 1.88 2.92 1.88 44.01.433 121.279 0.89 120.28 127.06 124.80 Weir 2.92 0.00 1.74 2.71 1.74 44.21.467 121.232 0.89 120.28 127.06 124.80 Weir 2.71 0.00 1.61 2.52 1.61 44.41.500 121.189 0.89 120.28 127.06 124.80 Weir 2.52 0.00 1.49 2.34 1.49 44.61.533 121.149 0.89 120.28 127.06 124.80 Weir 2.34 0.00 1.39 2.17 1.39 44.71.567 121.112 0.89 120.28 127.06 124.80 Weir 2.17 0.00 1.30 2.01 1.30 44.91.600 121.077 0.89 120.28 127.06 124.80 Weir 2.01 0.00 1.21 1.87 1.21 45.11.633 121.045 0.89 120.28 127.06 124.80 Weir 1.87 0.00 1.13 1.73 1.13 45.21.667 121.001 0.89 120.28 127.06 124.80 Weir 1.73 0.00 1.03 1.61 1.03 45.31.700 120.949 0.89 120.28 127.06 124.80 Weir 1.61 0.00 0.92 1.50 0.92 45.41.733 120.903 0.89 120.28 127.06 124.80 Weir 1.50 0.00 0.82 1.40 0.82 45.61.767 120.861 0.89 120.28 127.06 124.80 Weir 1.40 0.00 0.74 1.31 0.74 45.61.800 120.824 0.89 120.28 127.06 124.80 Weir 1.31 0.00 0.67 1.23 0.67 45.71.833 120.791 0.89 120.28 127.06 124.80 Weir 1.23 0.00 0.60 1.16 0.60 45.81.867 120.760 0.89 120.28 127.06 124.80 Weir 1.16 0.00 0.55 1.09 0.55 45.91.900 120.733 0.89 120.28 127.06 124.80 Weir 1.09 0.00 0.50 1.03 0.50 45.91.933 120.707 0.89 120.28 127.06 124.80 Weir 1.03 0.00 0.46 0.98 0.46 46.01.967 120.684 0.89 120.28 127.06 124.80 Weir 0.98 0.00 0.42 0.93 0.42 46.02.000 120.663 0.89 120.28 127.06 124.80 Weir 0.93 0.00 0.39 0.88 0.39 46.12.033 120.644 0.89 120.28 127.06 124.80 Weir 0.88 0.00 0.36 0.84 0.36 46.12.067 120.626 0.89 120.28 127.06 124.80 Weir 0.84 0.00 0.33 0.80 0.33 46.22.100 120.609 0.89 120.28 127.06 124.80 Weir 0.80 0.00 0.31 0.76 0.31 46.22.133 120.593 0.89 120.28 127.06 124.80 Weir 0.76 0.00 0.29 0.73 0.29 46.32.167 120.579 0.89 120.28 127.06 124.80 Weir 0.73 0.00 0.27 0.69 0.27 46.32.200 120.566 0.89 120.28 127.06 124.80 Weir 0.69 0.00 0.25 0.66 0.25 46.32.233 120.553 0.89 120.28 127.06 124.80 Weir 0.66 0.00 0.23 0.64 0.23 46.42.267 120.541 0.89 120.28 127.06 124.80 Weir 0.64 0.00 0.22 0.61 0.22 46.42.300 120.530 0.89 120.28 127.06 124.80 Weir 0.61 0.00 0.20 0.58 0.20 46.42.333 120.520 0.89 120.28 127.06 124.80 Weir 0.58 0.00 0.19 0.56 0.19 46.42.367 120.511 0.89 120.28 127.06 124.80 Weir 0.56 0.00 0.18 0.54 0.18 46.42.400 120.501 0.89 120.28 127.06 124.80 Weir 0.54 0.00 0.17 0.52 0.17 46.52.433 120.493 0.89 120.28 127.06 124.80 Weir 0.52 0.00 0.16 0.50 0.16 46.52.467 120.485 0.89 120.28 127.06 124.80 Weir 0.50 0.00 0.15 0.48 0.15 46.52.500 120.477 0.89 120.28 127.06 124.80 Weir 0.48 0.00 0.14 0.47 0.14 46.52.533 120.470 0.89 120.28 127.06 124.80 Weir 0.47 0.00 0.14 0.45 0.14 46.52.567 120.463 0.89 120.28 127.06 124.80 Weir 0.45 0.00 0.13 0.43 0.13 46.62.600 120.457 0.89 120.28 127.06 124.80 Weir 0.43 0.00 0.12 0.42 0.12 46.62.633 120.451 0.89 120.28 127.06 124.80 Weir 0.42 0.00 0.12 0.41 0.12 46.62.667 120.445 0.89 120.28 127.06 124.80 Weir 0.41 0.00 0.11 0.39 0.11 46.62.700 120.439 0.89 120.28 127.06 124.80 Weir 0.39 0.00 0.10 0.38 0.10 46.62.733 120.434 0.89 120.28 127.06 124.80 Weir 0.38 0.00 0.10 0.37 0.10 46.62.767 120.429 0.89 120.28 127.06 124.80 Weir 0.37 0.00 0.09 0.36 0.09 46.62.800 120.424 0.89 120.28 127.06 124.80 Weir 0.36 0.00 0.09 0.35 0.09 46.62.833 120.420 0.89 120.28 127.06 124.80 Weir 0.35 0.00 0.09 0.34 0.09 46.72.867 120.416 0.89 120.28 127.06 124.80 Weir 0.34 0.00 0.08 0.33 0.08 46.72.900 120.411 0.89 120.28 127.06 124.80 Weir 0.33 0.00 0.08 0.32 0.08 46.72.933 120.407 0.89 120.28 127.06 124.80 Weir 0.32 0.00 0.08 0.31 0.08 46.72.967 120.404 0.89 120.28 127.06 124.80 Weir 0.31 0.00 0.07 0.30 0.07 46.73.000 120.400 0.89 120.28 127.06 124.80 Weir 0.30 0.00 0.07 0.29 0.07 46.73.033 120.397 0.89 120.28 127.06 124.80 Weir 0.29 0.00 0.07 0.28 0.07 46.73.067 120.393 0.89 120.28 127.06 124.80 Weir 0.28 0.00 0.06 0.27 0.06 46.73.100 120.390 0.89 120.28 127.06 124.80 Weir 0.27 0.00 0.06 0.27 0.06 46.73.133 120.387 0.89 120.28 127.06 124.80 Weir 0.27 0.00 0.06 0.92 0.06 46.7

Reck_ Breaching Spreadsheet_Moved failure Sunny Day

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 54 of 69


0

5

10

15

20

25

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5

Out

flow

(m3 /s

ec)

Time (hrs)


RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 55 of 69

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 56 of 69

Dam catchment – 8haSlope 0.024Tc=20mins

House Catchment – 70ha1000m2mTc=32.5 mins, say 30mins

Therefore tc = 26.89 minutes, say 30 minutes (from Bransby Williams formula)

From ARR, the intensity for an ARI of 100 years for a duration of 30 minutes is 131mm/h

Using rational formula for this catchment gives a Q100 of around 20m3/s

This flow was lowered to 11m3/s as it exceeded the plinth level.

House Plinth = 119.82

0.214989 0.207832 0.216332 0.230835 0.240074 0.235542 0.230927 0.226463 0.2428670.181885 0.21344 0.217339 0.23307 0.242157 0.248138 0.242462 0.238472 0.234581

0.14344 0.17437 0.190422 0.201904 0.226799 0.251717 0.245544 0.240761 0.2365720.104248 0.132088 0.159836 0.176781 0.219452 0.255348 0.247948 0.241287 0.2379840.066345 0.093414 0.125984 0.168221 0.208565 0.248367 0.250206 0.248283 0.250679

0.246658 0.2338870.1959150.1554490.1190340.1112370.1118320.1147230.1165920.116226

0.04702 0.064682 0.094826 0.0929950.017242 0.025406 0.038506 0.052956

0.0242 0.030228 0.034073 0.033310.02771 0.032082 0.03521 0.029266

0.05275 0.058502 0.061317 0.054779 0.047981 0.0411610.054092 0.061279 0.06665 0.065392 0.063553 0.061394 0.057419 0.051483

0.059502 0.066101 0.066956 0.066444 0.065666 0.064468 0.06427 0.060463 0.0555950.064903 0.064964 0.065063 0.065918 0.065697 0.065353 0.065941 0.061844 0.058464

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 57 of 69

Time Br Sp normal moved0.000 1.00 1.00 20 1 1 1.00 1.00 0.00 0 -20 0.00 0 -200.008 1.00 1.00 20 1 1 1.00 1.00 0.00 0 -20 0.00 0 -200.017 1.00 1.00 20 1 1 1.00 1.00 0.00 0 -20 0.00 0 -200.025 1.00 1.00 20 1 1 1.00 1.00 0.00 0 -20 0.00 0 -200.033 1.00 1.00 20 1 1 1.00 1.00 0.00 2.18E-07 -20 0.00 -2.2E-07 -200.042 1.00 1.00 20 1 1 1.00 1.00 0.00 1.53E-06 -20 0.00 -1.5E-06 -200.050 1.00 1.00 20 1 1 1.00 1.00 0.00 8.31E-06 -20 0.00 -8.3E-06 -200.058 1.00 1.00 20 1 1 1.00 1.00 0.00 4.97E-05 -20 0.00 -5E-05 -200.067 1.00 1.00 20 1 1 1.00 1.00 0.00 0.000161 -20 0.00 -0.00016 -20.00020.075 1.00 1.00 20 1 1 1.00 1.00 0.00 0.000448 -20 0.00 -0.00045 -20.00040.083 1.00 1.00 20 1 1 1.00 1.00 0.00 0.00103 -20 0.00 -0.00103 -20.0010.092 1.00 1.00 20 1 1 1.00 1.00 0.00 0.002077 -20 0.00 -0.00208 -20.00210.100 1.00 1.00 20 1 1 1.00 1.00 0.00 0.003841 -20 0.00 -0.00384 -20.00380.108 1.00 1.00 20 1 1 1.00 1.00 0.01 0.006531 -20 0.01 -0.00653 -20.00650.117 1.00 1.00 20 1 1 1.00 1.00 0.01 0.010358 -20 0.01 -0.01036 -20.01040.125 1.00 1.00 20 1 1 1.00 1.00 0.02 0.015533 -20 0.02 -0.01553 -20.01550.133 1.00 1.00 20 1 1 1.00 1.00 0.02 0.022586 -20 0.02 -0.02259 -20.02260.142 1.00 1.00 20 1 1 1.00 1.00 0.03 0.032081 -20 0.03 -0.03208 -20.03210.150 1.00 1.00 20 1 1 1.00 1.00 0.04 0.044422 -20 0.04 -0.04442 -20.04440.158 1.00 1.00 20 1 1 1.00 1.00 0.06 0.060015 -20 0.06 -0.06001 -20.060.167 1.00 1.00 20 1 1 1.00 1.00 0.08 0.079266 -20 0.08 -0.07927 -20.07930.175 1.00 1.00 20 1 1 1.00 1.00 0.10 0.102476 -20 0.10 -0.10248 -20.10250.183 1.00 1.00 20 1 1 1.00 1.00 0.13 0.129993 -20 0.13 -0.12999 -20.130.192 1.00 1.00 20 1 1 1.00 1.00 0.16 0.162181 -20 0.16 -0.16218 -20.16220.200 1.00 1.00 20 1 1 1.00 1.00 0.20 0.199401 -20 0.20 -0.1994 -20.19940.208 1.00 1.00 20 1 1 1.00 1.00 0.24 0.242005 -20 0.24 -0.24201 -20.2420.217 1.00 1.00 20 1 1 1.00 1.00 0.29 0.292143 -20 0.29 -0.29214 -20.29210.225 1.00 1.00 20 1 1 1.00 1.00 0.35 0.350477 -20 0.35 -0.35048 -20.35050.233 1.00 1.00 20 1 1 1.00 1.00 0.42 0.417668 -20 0.42 -0.41767 -20.41770.242 1.00 1.00 20 1 1 1.00 1.00 0.49 0.49437 -20 0.49 -0.49437 -20.49440.250 1.00 1.00 20 1 1 1.00 1.00 0.58 0.580657 -20 0.58 -0.58066 -20.58070.258 1.00 1.01 20 1 1 1.00 1.00 0.67 0.674664 -20 0.67 -0.67466 -20.67470.267 1.00 1.16 20 1 1 1.00 1.00 0.78 0.776583 -20 0.78 -0.77658 -20.77660.275 1.00 1.33 20 1 1 1.00 1.00 0.89 0.886604 -20 0.89 -0.8866 -20.88660.283 1.00 1.50 20 1 1.00491 1.00 1.00 1.00 1.00491 -20 1.00 -1.00491 -21.00490.292 1.00 1.69 20 1 1.13017 1.00 1.00 1.13 1.13017 -20 1.13 -1.13017 -21.13020.300 1.00 1.88 20 1 1.260044 1.00 1.00 1.26 1.260044 -20 1.26 -1.26004 -21.260.308 1.00 2.08 20 1 1.39431 1.00 1.00 1.39 1.39431 -20 1.39 -1.39431 -21.39430.317 1.00 2.27 20 1 1.530466 1.00 1.00 1.53 1.530466 -20 1.53 -1.53047 -21.53050.325 1.00 2.48 20 1 1.668132 1.00 1.00 1.67 1.668132 -20 1.67 -1.66813 -21.66810.333 1.00 2.67 20 1 1.819224 1.00 1.00 1.82 1.819224 -20 1.82 -1.81922 -21.81920.342 1.00 2.87 20 1 1.954757 1.00 1.00 1.95 1.954757 -20 1.95 -1.95476 -21.95480.350 1.00 3.06 20 1 2.087863 1.00 1.00 2.09 2.087863 -20 2.09 -2.08786 -22.08790.358 1.00 3.24 20 1 2.21813 1.00 1.00 2.22 2.21813 -20 2.22 -2.21813 -22.2181

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 58 of 69

0.367 1.00 3.42 20 1 2.345182 1.00 1.00 2.35 2.345182 -20 2.35 -2.34518 -22.34520.375 1.00 3.59 20 1 2.467211 1.00 1.00 2.47 2.467211 -20 2.47 -2.46721 -22.46720.383 1.00 3.75 20 1 2.58348 1.00 1.00 2.58 2.58348 -20 2.58 -2.58348 -22.58350.392 1.00 3.90 20 1 2.69365 1.00 1.00 2.69 2.69365 -20 2.69 -2.69365 -22.69370.400 1.00 4.04 20 1 2.797424 1.00 1.00 2.80 2.797424 -20 2.80 -2.79742 -22.79740.408 1.00 4.17 20 1 2.894541 1.00 1.00 2.89 2.894541 -20 2.89 -2.89454 -22.89450.417 1.00 4.29 20 1 2.984903 1.00 1.00 2.98 2.984903 -20 2.98 -2.9849 -22.98490.425 1.00 4.40 20 1 3.068318 1.00 1.00 3.07 3.068318 -20 3.07 -3.06832 -23.06830.433 1.00 4.50 20 1 3.144622 1.00 1.00 3.14 3.144622 -20 3.14 -3.14462 -23.14460.442 1.00 4.58 20 1 3.213678 1.00 1.00 3.21 3.213678 -20 3.21 -3.21368 -23.21370.450 1.00 4.66 20 1 3.275778 1.00 1.00 3.28 3.275778 -20 3.28 -3.27578 -23.27580.458 1.00 4.73 20 1 3.33246 1.00 1.00 3.33 3.33246 -20 3.33 -3.33246 -23.33250.467 1.00 4.78 20 1 3.38367 1.00 1.00 3.38 3.38367 -20 3.38 -3.38367 -23.38370.475 1.00 4.83 20 1 3.429365 1.00 1.00 3.43 3.429365 -20 3.43 -3.42937 -23.42940.483 1.00 4.87 20 1 3.469517 1.00 1.00 3.47 3.469517 -20 3.47 -3.46952 -23.46950.492 1.00 4.91 20 1 3.504711 1.00 1.00 3.50 3.504711 -20 3.50 -3.50471 -23.50470.500 1.00 4.94 20 1 3.53585 1.00 1.00 3.54 3.53585 -20 3.54 -3.53585 -23.53580.508 1.00 4.96 20 1 3.562933 1.00 1.00 3.56 3.562933 -20 3.56 -3.56293 -23.56290.517 1.00 4.97 20 1 3.585963 1.00 1.00 3.59 3.585963 -20 3.59 -3.58596 -23.5860.525 1.00 4.98 20 1 3.60495 1.00 1.00 3.60 3.60495 -20 3.60 -3.60495 -23.6050.533 1.00 4.99 20 1 3.620409 1.00 1.00 3.62 3.620409 -20 3.62 -3.62041 -23.62040.542 1.00 4.99 20 1 3.632691 1.00 1.00 3.63 3.632691 -20 3.63 -3.63269 -23.63270.550 1.00 4.98 20 1 3.641812 1.00 1.00 3.64 3.641812 -20 3.64 -3.64181 -23.64180.558 1.00 4.97 20 1 3.647792 1.00 1.00 3.65 3.647792 -20 3.65 -3.64779 -23.64780.567 1.00 4.95 20 1 3.650655 1.00 1.00 3.65 3.650655 -20 3.65 -3.65066 -23.65070.575 1.29 4.92 20 1 3.650203 1.00 1.00 3.65 3.650203 -20 3.65 -3.6502 -23.65020.583 1.83 4.88 20 1 3.646411 1.00 1.00 3.65 3.646411 -20 3.65 -3.64641 -23.64640.592 2.47 4.83 20 1 3.63931 1.00 1.00 3.64 3.63931 -20 3.64 -3.63931 -23.63930.600 3.23 4.77 20 1 3.628938 1.00 1.00 3.64 3.647968 -20 3.63 -3.62894 -23.62890.608 4.11 4.69 20 1 3.615227 1.00 1.00 3.70 3.715741 -20 3.62 -3.61523 -23.61520.617 5.11 4.61 20 1 3.599209 1.00 1.00 3.82 3.8471 -20 3.60 -3.59921 -23.59920.625 6.24 4.50 20 1 3.580346 1.00 1.00 4.01 4.049497 -20 3.58 -3.58035 -23.58030.633 7.49 4.39 20 1 3.558047 1.00 1.00 4.27 4.329939 -20 3.56 -3.55805 -23.5580.642 8.87 4.25 20 1 3.531668 1.16 1.09 4.62 4.694647 -20 3.53 -3.53167 -23.53170.650 10.38 4.11 20 1 3.500687 1.65 1.55 5.05 5.14929 -20 3.50 -3.50069 -23.50070.658 12.02 3.94 20 1 3.465041 2.24 2.11 5.58 5.699517 -20 3.47 -3.46504 -23.4650.667 13.79 3.76 20 1 3.42397 2.93 2.78 6.20 6.349548 -20 3.42 -3.42397 -23.4240.675 15.68 3.56 20 1 3.376699 3.73 3.55 6.92 7.103008 -20 3.38 -3.3767 -23.37670.683 17.69 3.35 20 1 3.322453 4.65 4.43 7.75 7.962957 -20 3.32 -3.32245 -23.32250.692 19.83 3.12 20 1 3.260694 5.68 5.42 8.68 8.932277 -20 3.26 -3.26069 -23.26070.700 22.09 2.87 20 1 3.191012 6.83 6.53 9.72 10.01357 -20 3.19 -3.19101 -23.1910.708 24.46 2.61 20 1 3.112673 8.11 7.76 10.87 11.20844 -20 3.11 -3.11267 -23.11270.717 26.94 2.33 20 1 3.024985 9.51 9.11 12.13 12.518 -20 3.02 -3.02499 -23.0250.725 29.53 2.04 20 1 2.927321 11.03 10.58 13.51 13.94294 -20 2.93 -2.92732 -22.92730.733 32.22 1.75 20 1 2.819131 12.69 12.18 15.00 15.4835 -20 2.82 -2.81913 -22.8191

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 59 of 69

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RTI 14-143 FILE A 60 of 69

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RTI 14-143 FILE A 62 of 69

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RTI 14-143 FILE A 63 of 69

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RTI 14-143 FILE A 64 of 69

2.617 1.32 1.00 20 1 1 1.00 1.00 0.07 0.067546 -20 0.00 0 -202.625 1.30 1.00 20 1 1 1.00 1.00 0.07 0.066379 -20 0.00 0 -202.633 1.29 1.00 20 1 1 1.00 1.00 0.07 0.065239 -20 0.00 0 -202.642 1.28 1.00 20 1 1 1.00 1.00 0.07 0.064125 -20 0.00 0 -202.650 1.26 1.00 20 1 1 1.00 1.00 0.07 0.063037 -20 0.00 0 -202.658 1.25 1.00 20 1 1 1.00 1.00 0.07 0.061973 -20 0.00 0 -202.667 1.24 1.00 20 1 1 1.00 1.00 0.07 0.060933 -20 0.00 0 -202.675 1.22 1.00 20 1 1 1.00 1.00 0.07 0.059916 -20 0.00 0 -202.683 1.21 1.00 20 1 1 1.00 1.00 0.06 0.058922 -20 0.00 0 -202.692 1.20 1.00 20 1 1 1.00 1.00 0.06 0.05795 -20 0.00 0 -202.700 1.18 1.00 20 1 1 1.00 1.00 0.06 0.056999 -20 0.00 0 -202.708 1.17 1.00 20 1 1 1.00 1.00 0.06 0.056069 -20 0.00 0 -202.717 1.16 1.00 20 1 1 1.00 1.00 0.06 0.05516 -20 0.00 0 -202.725 1.15 1.00 20 1 1 1.00 1.00 0.06 0.054269 -20 0.00 0 -202.733 1.13 1.00 20 1 1 1.00 1.00 0.06 0.053399 -20 0.00 0 -202.742 1.12 1.00 20 1 1 1.00 1.00 0.06 0.052546 -20 0.00 0 -202.750 1.11 1.00 20 1 1 1.00 1.00 0.06 0.051712 -20 0.00 0 -202.758 1.10 1.00 20 1 1 1.00 1.00 0.06 0.050895 -20 0.00 0 -202.767 1.09 1.00 20 1 1 1.00 1.00 0.05 0.050096 -20 0.00 0 -202.775 1.08 1.00 20 1 1 1.00 1.00 0.05 0.049313 -20 0.00 0 -202.783 1.07 1.00 20 1 1 1.00 1.00 0.05 0.048547 -20 0.00 0 -202.792 1.06 1.00 20 1 1 1.00 1.00 0.05 0.047796 -20 0.00 0 -202.800 1.05 1.00 20 1 1 1.00 1.00 0.05 0.047061 -20 0.00 0 -202.808 1.03 1.00 20 1 1 1.00 1.00 0.05 0.046341 -20 0.00 0 -202.817 1.02 1.00 20 1 1 1.00 1.00 0.05 0.045636 -20 0.00 0 -202.825 1.01 1.00 20 1 1 1.00 1.00 0.05 0.044945 -20 0.00 0 -202.833 1.00 1.00 20 1 1 1.00 1.00 0.05 0.044268 -20 0.00 0 -202.842 1.00 1.00 20 1 1 1.00 1.00 0.05 0.043604 -20 0.00 0 -202.850 1.00 1.00 20 1 1 1.00 1.00 0.05 0.042954 -20 0.00 0 -202.858 1.00 1.00 20 1 1 1.00 1.00 0.05 0.042316 -20 0.00 0 -202.867 1.00 1.00 20 1 1 1.00 1.00 0.04 0.041692 -20 0.00 0 -202.875 1.00 1.00 20 1 1 1.00 1.00 0.04 0.041079 -20 0.00 0 -202.883 1.00 1.00 20 1 1 1.00 1.00 0.04 0.040479 -20 0.00 0 -202.892 1.00 1.00 20 1 1 1.00 1.00 0.04 0.03989 -20 0.00 0 -202.900 1.00 1.00 20 1 1 1.00 1.00 0.04 0.039312 -20 0.00 0 -202.908 1.00 1.00 20 1 1 1.00 1.00 0.04 0.038746 -20 0.00 0 -202.917 1.00 1.00 20 1 1 1.00 1.00 0.04 0.038191 -20 0.00 0 -202.925 1.00 1.00 20 1 1 1.00 1.00 0.04 0.037646 -20 0.00 0 -202.933 1.00 1.00 20 1 1 1.00 1.00 0.04 0.037111 -20 0.00 0 -202.942 1.00 1.00 20 1 1 1.00 1.00 0.04 0.036587 -20 0.00 0 -202.950 1.00 1.00 20 1 1 1.00 1.00 0.04 0.036073 -20 0.00 0 -202.958 1.00 1.00 20 1 1 1.00 1.00 0.04 0.035568 -20 0.00 0 -202.967 1.00 1.00 20 1 1 1.00 1.00 0.04 0.035072 -20 0.00 0 -202.975 1.00 1.00 20 1 1 1.00 1.00 0.04 0.034586 -20 0.00 0 -202.983 1.00 1.00 20 1 1 1.00 1.00 0.04 0.034109 -20 0.00 0 -20

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RTI 14-143 FILE A 65 of 69

2.992 1.00 1.00 20 1 1 1.00 1.00 0.04 0.03364 -20 0.00 0 -203.000 1.00 1.00 20 1 1 1.00 1.00 0.04 0.03318 -20 0.00 0 -203.008 1.00 1.00 20 1 1 1.00 1.00 0.03 0.032729 -20 0.00 0 -203.017 1.00 1.00 20 1 1 1.00 1.00 0.03 0.032285 -20 0.00 0 -203.025 1.00 1.00 20 1 1 1.00 1.00 0.03 0.03185 -20 0.00 0 -203.033 1.00 1.00 20 1 1 1.00 1.00 0.03 0.031422 -20 0.00 0 -203.042 1.00 1.00 20 1 1 1.00 1.00 0.03 0.031003 -20 0.00 0 -203.050 1.00 1.00 20 1 1 1.00 1.00 0.03 0.03059 -20 0.00 0 -203.058 1.00 1.00 20 1 1 1.00 1.00 0.03 0.030185 -20 0.00 0 -203.067 1.00 1.00 20 1 1 1.00 1.00 0.03 0.029787 -20 0.00 0 -203.075 1.00 1.00 20 1 1 1.00 1.00 0.03 0.029396 -20 0.00 0 -203.083 1.00 1.00 20 1 1 1.00 1.00 0.03 0.029012 -20 0.00 0 -203.092 1.00 1.00 20 1 1 1.00 1.00 0.03 0.028634 -20 0.00 0 -203.100 1.00 1.00 20 1 1 1.00 1.00 0.03 0.028264 -20 0.00 0 -203.108 1.00 1.00 20 1 1 1.00 1.00 0.03 0.027899 -20 0.00 0 -203.117 1.00 1.00 20 1 1 1.00 1.00 0.03 0.027541 -20 0.00 0 -203.125 1.00 1.00 20 1 1 1.00 1.00 0.03 0.027189 -20 0.00 0 -203.133 1.00 1.00 20 1 1 1.00 1.00 0.03 0.026842 -20 0.00 0 -203.142 1.00 1.00 20 1 1 1.00 1.00 0.03 0.026502 -20 0.00 0 -203.150 1.00 1.00 20 1 1 1.00 1.00 0.03 0.026168 -20 0.00 0 -203.158 1.00 1.00 20 1 1 1.00 1.00 0.03 0.025839 -20 0.00 0 -203.167 1.00 1.00 20 1 1 1.00 1.00 0.03 0.025515 -20 0.00 0 -203.175 1.00 1.00 20 1 1 1.00 1.00 0.03 0.025197 -20 0.00 0 -20

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EWS

RTI 14-143 FILE A 66 of 69

1

10

100

1000

10000

100000

1000000

10000000

1 10 100

AEP

Q

Series1

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RTI 14-143 FILE A 67 of 69

DURATION1 Year 2 years 5 years 10 years 20 years 50 years 100 years 2001 2 5 10 20 50 100 200

20Mins 55.30 71.50 91.00 103.00 120.00 143.00 161.00 166.130.98 1.27 1.62 1.83 2.13 2.54 2.86 2.95

To import into excel:

1: Save the file as a .csv (comma separated values) file. (e.g. myifdtable.csv)2: Open excel and import the saved myifdtable.csv file.3: Remove these comments.

Format is: DURATIO ARI for 1 Y 2 years 5 years 10 years 20 years 50 years 100 years

5 10 20 50 100 200 500 100015 min 93.24 105.9 123.2 147.1 164.9 184.1 210.5 232

17.96667 20.53333 22.63333166.1333 189.9667 209.3667

30 min 66.06 74.99 87.2 104 116.7 130.2 148.9 164.11 hour 45.01 51.07 59.36 70.77 79.36 88.59 101.3 111.63 hours 20.61 23.21 26.81 31.72 35.57 39.71 45.42 50.046 hours 12.48 13.98 16.08 18.94 21.24 23.7 27.11 29.8712 hours 7.57 8.442 9.669 11.33 12.71 14.18 16.22 17.8718 hours 5.673 6.388 7.378 8.731 9.791 10.93 12.5 13.7724 hours 4.61 5.228 6.074 7.239 8.118 9.062 10.36 11.4248 hours 2.794 3.168 3.681 4.386 4.966 5.574 6.457 7.17372 hours 2.135 2.421 2.812 3.352 3.802 4.284 4.958 5.51896 hours 1.775 2.013 2.339 2.787 3.16 3.554 4.116 4.566120 hours 1.475 1.673 1.944 2.316 2.626 2.954 3.427 3.809

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 68 of 69

500 1000 2000 PMP500 1000 2000 100000

189.97 209.37 229.77 1260.00 0.983111 13.38 3.72 4.08 22.40 1.271111 2

1.617778 51.831111 102.133333 202.542222 502.862222 1002.953481 2003.377185 5003.722074 10004.084741 2000

22.4 3000000

2000254.6

24.83333229.7667

180.1122.554.9232.7919.6215.1212.53

7.946.1145.0544.216

RTI DL R

ELEASE - D

EWS

RTI 14-143 FILE A 69 of 69

rti dl release - dewsok...elevation (m) volume (ml) surface area (ha) volume (ml) surface area (ha)...

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