larry buss - "concepts to achieve flood resilience"
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7/29/2019 Larry Buss - "Concepts to Achieve Flood Resilience"
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Building ResilienceWorkshop II
Larry S. Buss, P.E., CFM, D.WRE.
Concepts To Achieve Flood Resilience
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City of New
OrleansGround Elevations
From Canal St. at
Mississippi River to the
Lakefront at
U.N.O.
R I V
E R
B A N K
NEWORLEANS
A
BLAKE PONCHARTRAIN
R .
A
BPROJECT DESIGNFLOWLINE (20 FEET)
D E R B I G N Y A T I - 1 0
E S P L A N A D E A T
S T . C L A U D E
C A N A L S T A T R I V E R
S T L O U I S
C A T H E D R A L
G E N T I L L Y B L V D
A T A L L E N
D I L L A R D U N I V
C A M P U S
S T A N T H O N Y A T
W I L D A I R D R
W A I N R I G H T D R
A T L . C . S I M O N
U N O S I D E O F
W A I N R I G H T D R
LONDON AVENUE CANAL FLOODWALL
HURRICANE LEVEE / FLOODWALL (14.0 FEET)
INTERIM LEVEL PROTECTION (10.0 FEET)
30
20
10
0
-10
-20
30
20
10
0
-10
-20
E L E V A T I O N S I N F E E T N G V
D
FLOODWALL ALONG
MISSISSIPPI RIVER
23
FT
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Basic Resilience Approaches
• Nonstructural Measures
• Structural Measures
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Basic Flood Risk Equation
Flood Risk = Flood Frequency X Consequences
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WE NEED TOCOMMUNICATE
"NO FLOOD RISK"
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We Need to Make Political Support for
NO FLOOD RISK
"politically safe"
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2050
CurrentTrend
No FloodRisk National
Objective
Flood Damage
1900-2050
?
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• Sound Flood Risk Management IsMore Difficult To Attain Than It
Should Be Because Of The Bias
Toward Decisions That ReflectShort Term Economic/Political
Gain And put aside the Long Term
Economic/Political Cost.
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