Advances in Levee Evaluations, Operation ... - Royal Haskoning

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Conceptual linkage of HEC-RAS and REAL ® Levee Loadings Analysis storms and return periods involved in the development of HEC-RAS www.fugro.com Analysis Water Surface Elevations Return Periods for Various Locations www.fugro.com 01-May-12 18
Levee Loadings – prior to final H&H Historical information: 20y event: WSE ≈ Datum +20.0 [ft] 50y event: WSE ≈ Datum +15.5 [ft] Physical Top of Levee ≈ Datum +27.0 [ft] Estimate 100y event ≈ Datum +21.0 [ft] Levee Loadings after final H&H 100y event estimate: WSE ≈ Datum +21 [ft] River Levee Initially 21 ft ≈ 100y event In the end 21 ft ≈ 380y event www.fugro.com So; 21 ft was a save first estimate 380 www.fugro.com 01-May-12 19
Page 1 and 2: Advances in Levee Evaluations, Oper
Page 3 and 4: What are the flood protection level
Page 5 and 6: Where we want to be 3D FEM How to g
Page 7 and 8: The REAL ® process All levee infoA
Page 9 and 10: Helicopter LiDAR Bathymetry Some po
Page 11 and 12: Section in Sacramento Valley 3D Mod
Page 13 and 14: Engineers’ estimate for analyses:
Page 15 and 16: Analysis Results info ArcGIS Somew
Page 17: NEMDC-West Does not meet Piping Req
Page 21 and 22: What does REAL ® give… 1 st :the
Page 23 and 24: Aerial Vegetation Mapping & Additio
Page 25 and 26: Port of New York already on same pa

Advances in Levee Evaluations, Operation ... - Royal Haskoning

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