WD.1368 RevC WCD dam break assessment report with appendices
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Refer to Detailed Map 3
Refer to Detailed Map 2
Inundation Depth (m) - Sunny Day Piping Scenario - WWL
<= 0.25 m
0.25 - 0.5 m
0.5 - 1 m
1 - 2 m
> 2 m
Possible flooding extent due to restricted flow under bridges
Possible unmodeled low level inundation
Area undefined by LiDAR data
USER NOTES
Refer to Detailed Map 1
1. The information displayed in this map does not in any way
reflect the structural intergrity or likelihood of failure of the
Waimea Community Dam.
2. This map was developed from the results of the "Waimea
Community Dam Break Assessment - WWL update" study and
should be interpreted with the accompanying report, reference
WD.1368
3. The flooding extent shown on this map represents a worst
case failure for the "sunny-day" scenario with an embankment
breach completely developed.
4. Innundation displayed in this map was developed using a
computational hydraulic model in the HEC-RAS hydraulic
modelling suite.
5. Hatched areas represent possible flooding due to different
flood development processes.
PREPARED BY
AS
WAIMEA COMMUNITY DAM
REVIEWED BY
DWE
APPROVED BY
IL
Drawing Title:
Scale @ A3:
Dam Breach Maximum Flood Depth
Sunny Day Failure Scenario
Overview Map
Date:
Sept. 2020
Page No. Revision:
1 of 4
C