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Flood Investigation & Stormwater Quantity Management Plan
Attached to the e-mail Doonella Stage C (Email 4 of 7) IDAS Forms 1 & 6 and Flood Investigation - OPW14/0197.
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Log in to see the plans as drawnFlood Investigation & Stormwater Quantity Management Plan
Proposed Residential Development at Doonella - Stage C
C3 1 0.0 0.0 35.0 35.0 0.0 35.0 35.0
C2 0 35.0 40.0 35.0 35.0 0.0 35.0 35.0
Twigrush 1 35.0 35.0 0.0 0.0 0.0 35.0 41.7
D3 0 0.0 0.0 40.0 35.0 0.0 35.0 35.0
D1 0 0.0 0.0 35.0 35.0 40.0 40.0 40.0
D2 0 40.0 48.3 40.0 35.0 0.0 40.0 40.0
OUT 0 40.0 40.0 0.0 0.0 0.0 40.0 40.0
#####END_TIME_SUMMARY###########################################################
#####START_OUTLET_STRUCTURE_SUMMARY######################################
SUBAREA INITIAL INFLOW OUTFLOW FINAL BALANCE
STORAGE STORAGE
(Volumes in thousands m3)
Dodonaea 0.001 4.008 4.007 0.002 0.000
B2 0.000 5.100 5.100 0.000 0.000
C3 0.000 0.141 0.141 0.000 0.000
Twigrush 0.000 2.681 2.680 0.000 0.000
SUBAREA INFLOW OUTFLOW INFLOW MAX.VOL MAX.WATER
PEAK PEAK VOLUME STORED ELEVATION
(m3/s) (m3/s) (m3 E3) (m3 E3) (metres)
Dodonaea 1.413 0.623 4.008 1.264 11.567
B2 0.931 0.931 5.100 0.000 0.931
C3 0.080 0.080 0.141 0.000 1.000
Twigrush 1.298 0.939 2.681 0.996 9.246
#####END_OUTLET_STRUCTURE_SUMMARY########################################
#####END_RESULTS_STORM_8
#####START_STORM#11
20 Year ARI 90 Mins Duration DESIGN STORM
2.00
2.00
#####START_DESIGN_RAIN
20 90 1.00
IFD_COEFFS_IN_THIS_FILE
1
Q_Beckmans 3UNKNOWN 0.00 0.00 27.00 52.03 10.34 3.46
93.95 24.00 8.66 4.40 17.60 0.11 1400.00 25 0.87 (-
26.41,153.03)
#####END_DESIGN_RAIN
#####START_CALC_RAINGAUGE_WEIGHTS
#####END_CALC_RAINGAUGE_WEIGHTS
#####START_LOSS_RATES
A 25.00 2.50 1.00
B1 25.00 2.50 1.00
Dodonaea 25.00 2.50 1.00
B2 25.00 2.50 1.00
C1 25.00 2.50 1.00
C3 25.00 2.50 1.00
C2 25.00 2.50 1.00
Twigrush 25.00 2.50 1.00
D3 25.00 2.50 1.00
D1 25.00 2.50 1.00
D2 25.00 2.50 1.00
OUT 25.00 2.50 1.00
#####END_LOSS_RATES
#####START_RECORDED_HYDROGRAPHS
0
#####END_RECORDED_HYDROGRAPHS
#####START_IMPORTED_HYDROGRAPHS
0
#####END_IMPORTED_HYDROGRAPHS
#####END_STORM#11
#####START_RESULTS_STORM_11
#####START_CATCHMENT_SUMMARY############################################
Catchment area (hectares) = 18.18
Impervious percent (%) = 50.46
Rainfall depth (mm) = 98.74
B09182.W-02A
[OCR of page images]
Flood Investigation & Stormwater Quantity Management Plan BROWN
Proposed Residential Development at Doonella - Stage C Smart Water
3 1 0.0 0.0 35.0 35.0 0.0 35.0 35.0
C2 0 35.0 40.0 35.0 35.0 0.0 35.0 35.0
Twigrush 1 35.0 35.0 0.0 0.0 0.0 35.0 41.7
D3 0 0.0 0.0 40.0 35.0 0.0 35.0 35.0
pL 0 0.0 0.0 35.0 35.0 40.0 40.0 40.0
D2 0 40.0 48.3 40.0 35.0 0.0 40.0 40.0
out 0 40.0 40.0 0.0 0.0 0.0 40.0 40.0
#AHEND_TIME_SUMMARY #4 tHE AEE HE AEH AE AE A AEE
#####START_OUTLET_STRUCTURE_SUMMAR Y #44 #44444 HEHEHE HEA HAE AEE EEE EE
SUBAREA INITIAL INFLOW OUTFLOW FINAL BALANCE
STORAGE STORAGE
(volumes in thousands m3)
Dodonaea 0.001 4.008 4.007 0.002 0.000
B2 0.000 5.100 5.100 0.000 0.000
c3 0.000 0.141 0.141 0.000 0.000
Twigrush 0.000 2.681 2.680 0.000 0.000
SUBAREA INFLOW OUTFLOW INFLOW MAX.VOL MAX.WATER
PEAK PEAK VOLUME STORED ELEVATION
(m3/s) (m3/s) (m3 £3) (m3 £3) (metres)
Dodonaea 1.413 0.623 4.008 1.264 11.567
B2 0.931 0.931 5.100 0.000 0.931
c3 0.080 0.080 0.141 0.000 1.000
Twigrush 1.298 0.939 2.681 0.996 9.246
##H#H#HEND_OUTLET_STRUCTURE_ SUMMARY ### #4 HHH AH HA HH A AEH HHA AEH HH AEE AE
#####END_RESULTS_STORM_8
#####START_STORM#11
20 Year ARI 90 Mins Duration DESIGN STORM
2.00
2.00
#####START_DESIGN_RAIN
20 90 1.00
IFD_COEFFS_IN_THIS_FILE
1
Q_Beckmans 3UNKNOWN 0.00 0.00 27.00 52.03 10.34 3.46
93.95 24.00 8.66 4.40 17.60 0.11 1400.00 25 0.87 (-
26.41,153.03)
#####END_DESIGN_RAIN
#####START_CALC_RAINGAUGE_WEIGHTS
#####END_CALC_RAINGAUGE_WEIGHTS
#####START_LOSS_RATES
A 25.00 2.50 1.00
Bl 25.00 2.50 1.00
Dodonaea 25.00 2.50 1.00
B2 25.00 2.50 1.00
cl 25.00 2.50 1.00
c3 25.00 2.50 1.00
c2 25.00 2.50 1.00
Twigrush 25.00 2.50 1.00
D3 25.00 2.50 1.00
Dl 25.00 2.50 1.00
D2 25.00 2.50 1.00
OUT 25.00 2.50 1.00
#####END_LOSS_RATES
#####S TART_RECORDED_HYDROGRAPHS
0
#####END_RECORDED_HYDROGRAPHS
#####S TART_IMPORTED_HYDROGRAPHS
0
#####END_IMPORTED_HYDROGRAPHS
##44##END_STORM#11
#####START_RESULTS_STORM_11
#HHHS TART_CATCHMENT_SUMMARY #4444344: # HEH AEH HEA AEE HE AE AE
Catchment area (hectares) = 18.18
Impervious percent (%) = 50.46
Rainfall depth (mm) = 98.74
B09182.W-02A
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