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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
#####START_RESULTS_STORM_8
#####START_CATCHMENT_SUMMARY############################################
Catchment area (hectares) = 18.18
Impervious percent (%) = 50.46
Rainfall depth (mm) = 85.81
Excess rainfall (mm) = 71.51
Calc. runoff depth (mm) = 71.42 - from bottom subarea
Recd. runoff depth (mm) = 0.00 - from bottom subarea
Calc. peak discharge (m3/s) = 3.084 - from bottom subarea
Recd. peak discharge (m3/s) = 0.000 - from bottom subarea
#####END_CATCHMENT_SUMMARY##############################################
#####START_VOLUME_SUMMARY#######################################################################
SUBAREA DIRECTED IMPORTED LOCAL LOCAL DIRECTED IMPORTED OUTFLOW BALANCE
TO TOP TO TOP PERVIOUS IMPERVIOUS TO BOTTOM TO BOTTOM
(Volumes in thousands m3)
A
0.000 0.000 1.147 0.369 0.000 0.000 1.516 0.000
B1
1.516 0.000 0.940 1.554 0.000 0.000 4.008 0.001
Dodonaea
4.008 0.000 0.000 0.000 0.000 0.000 4.007 0.001
B2
4.015 0.000 0.465 0.630 0.000 0.000 5.100 0.009
C1
0.000 0.000 0.326 0.890 0.000 0.000 1.216 0.000
C3
0.000 0.000 0.020 0.121 0.000 0.000 0.141 0.000
C2
0.141 0.000 0.299 1.026 0.000 0.000 1.465 0.002
Twigrush
2.681 0.000 0.000 0.000 0.000 0.000 2.680 0.000
D3
0.000 0.000 0.779 0.402 0.000 0.000 1.181 0.000
D1
0.000 0.000 0.134 0.168 7.803 0.000 8.105 0.000
D2
9.286 0.000 1.097 2.622 0.000 0.000 12.986 0.019
OUT
12.986 0.000 0.000 0.000 0.000 0.000 12.986 0.000
#####END_VOLUME_SUMMARY#########################################################################
#####START_PEAK_SUMMARY###############################################################
SUBAREA OUT_STR STREAM STREAM LOCAL LOCAL DIRECTED OUTLET_STRUCTURE
1=exist TOP BOTTOM PERVIOUS IMPERVIOUS TO BOTTOM INFLOW OUTFLOW
including including
imported to imported to
TOP BOTTOM
(Discharges in m3/s)
A 0 0.000 0.000 0.484 0.188 0.000 0.623 0.623
B1 0 0.623 0.461 0.412 0.735 0.000 1.413 1.413
Dodonaea 1 1.413 1.413 0.000 0.000 0.000 1.413 0.623
B2 1 0.623 0.622 0.227 0.313 0.000 0.931 0.931
C1 0 0.000 0.000 0.167 0.434 0.000 0.601 0.601
C3 1 0.000 0.000 0.015 0.065 0.000 0.080 0.080
C2 0 0.080 0.051 0.156 0.497 0.000 0.697 0.697
Twigrush 1 1.298 1.298 0.000 0.000 0.000 1.298 0.939
D3 0 0.000 0.000 0.353 0.204 0.000 0.529 0.529
D1 0 0.000 0.000 0.081 0.089 1.828 1.962 1.962
D2 0 2.466 1.950 0.467 1.203 0.000 3.084 3.084
OUT 0 3.084 3.084 0.000 0.000 0.000 3.084 3.084
#####END_PEAK_SUMMARY#################################################################
#####START_TIME_SUMMARY#########################################################
SUBAREA OUT_STR STREAM STREAM LOCAL LOCAL DIRECTED OUTLET_STRUCTURE
1=exist TOP BOTTOM PERVIOUS IMPERVIOUS TO BOTTOM INFLOW OUTFLOW
(Times in minutes)
A 0 0.0 0.0 40.0 35.0 0.0 40.0 40.0
B1 0 40.0 46.7 40.0 35.0 0.0 40.0 40.0
Dodonaea 1 40.0 40.0 0.0 0.0 0.0 40.0 70.0
B2 1 70.0 75.0 40.0 35.0 0.0 35.0 35.0
C1 0 0.0 0.0 35.0 35.0 0.0 35.0 35.0
B09182.W-02A
[OCR of page images]
Flood Investigation & Stormwater Quantity Management Plan BROWN
Proposed Residential Development at Doonella - Stage C Smart Water
#####START_RESULTS_STORM_8
#HHHS TART_CATCHMENT_SUMMARY #4444344: # HEH AEH HEA AEE HE AE AE
Catchment area (hectares) = 18.18
Impervious percent (%) = 50.46
Rainfall depth (mm) = 85.81
Excess rainfall (mm) = 71.51
Calc. runoff depth (mm) = 71.42 - from bottom subarea
Recd. runoff depth (mm) = 0.00 - from bottom subarea
Calc. peak discharge (m3/s) = 3.084 - from bottom subarea
Recd. peak discharge (m3/s) = 0.000 - from bottom subarea
##AHEND_CATCHMENT_SUMMARY #4444434 EEE A HEH A HEH HEE HEE AE
#HHHSTART_VOLUME_SUMMAR Y #4444 #444 AEE HEAT AE A AEA EAE EAE AEE AEA EAE EEE
SUBAREA DIRECTED IMPORTED LOCAL LOCAL DIRECTED IMPORTED OUTFLOW BALANCE
TO TOP TO TOP PERVIOUS IMPERVIOUS TO BOTTOM TO BOTTOM
(Volumes in thousands m3)
A
0.000 0.000 1.147 0.369 0.000 0.000 1.516 0.000
Bl
1.516 0.000 0.940 1.554 0.000 0.000 4.008 0.001
Dodonaea
4.008 0.000 0.000 0.000 0.000 0.000 4.007 0.001
B2
4.015 0.000 0.465 0.630 0.000 0.000 5.100 0.009
cl
0.000 0.000 0.326 0.890 0.000 0.000 1.216 0.000
c3
0.000 0.000 0.020 0.121 0.000 0.000 0.141 0.000
c2
0.141 0.000 0.299 1.026 0.000 0.000 1.465 0.002
Twigrush
2.681 0.000 0.000 0.000 0.000 0.000 2.680 0.000
D3
0.000 0.000 0.779 0.402 0.000 0.000 1.181 0.000
Dl
0.000 0.000 0.134 0.168 7.803 0.000 8.105 0.000
D2
9.286 0.000 1.097 2.622 0.000 0.000 12.986 0.019
OUT
12.986 0.000 0.000 0.000 0.000 0.000 12.986 0.000
##HAHEND_VOLUME_SUMMAR Y #4444444 EEE EEE A HEE AEE HEE HE EAE AE
##HHHSTART_PEAK_SUMMAR Y #444 AH A AH A HA AE A AE EEE
SUBAREA OUT_STR STREAM STREAM LOCAL LOCAL DIRECTED OUTLET_STRUCTURE
1=exist TOP BOTTOM PERVIOUS IMPERVIOUS TO BOTTOM INFLOW OUTFLOW
including including
imported to imported to
TOP BOTTOM
(Discharges in m3/s)
A 0 0.000 0.000 0.484 0.188 0.000 0.623 0.623
Bl 0 0.623 0.461 0.412 0.735 0.000 1.413 1.413
Dodonaea 1 1.413 1.413 0.000 0.000 0.000 1.413 0.623
B2 1 0.623 0.622 0.227 0.313 0.000 0.931 0.931
cl 0 0.000 0.000 0.167 0.434 0.000 0.601 0.601
c3 1 0.000 0.000 0.015 0.065 0.000 0.080 0.080
c2 0 0.080 0.051 0.156 0.497 0.000 0.697 0.697
Twigrush 1 1.298 1.298 0.000 0.000 0.000 1.298 0.939
D3 0 0.000 0.000 0.353 0.204 0.000 0.529 0.529
Dl 0 0.000 0.000 0.081 0.089 1.828 1.962 1.962
D2 0 2.466 1.950 0.467 1.203 0.000 3.084 3.084
OUT 0 3.084 3.084 0.000 0.000 0.000 3.084 3.084
#AHEND_PEAK_SUMMARY # at #4 EEE EEE TEE AEA HAE HAE AEE AEE EE
HHHHS TART_TIME_SUMMARY #444444 EEE AEE AEA HE AEH HE AEH AEE AE
SUBAREA OUT_STR STREAM STREAM LOCAL LOCAL DIRECTED OUTLET_STRUCTURE
1=exist TOP BOTTOM PERVIOUS IMPERVIOUS TO BOTTOM INFLOW OUTFLOW
(Times in minutes)
A 0 0.0 0.0 40.0 35.0 0.0 40.0 40.0
Bl 0 40.0 46.7 40.0 35.0 0.0 40.0 40.0
Dodonaea 1 40.0 40.0 0.0 0.0 0.0 40.0 70.0
B2 1 70.0 75.0 40.0 35.0 0.0 35.0 35.0
cl 0 0.0 0.0 35.0 35.0 0.0 35.0 35.0
B09182.W-02A
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