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Student Designs of Storm Surge Barriers for the New York Metropolitan Area
Anne Dudek Ronan, Ph.D., P.E., M.ASCEThe Cooper Union
March 31, 2009
ASCE Met Section Infrastructure Group Seminar 2009
The Class
FreshmenFirst semesterTechnical and non-technical design issuesResearch and communication skillsTeamwork
ASCE Met Section Infrastructure Group Seminar 2009
Upper East River
Rockaway Inlet
VerrazanoNarrows
Arthur Kill
Evacuation ZonesAll hurricanes≥ Category 2≥ Category 3
NYC Office of Emergency Management
ASCE Met Section Infrastructure Group Seminar 2009
The Project
Define the problemResearch teams:
storm surge predictionstides, hydrodynamics navigationexisting barrier designs
Midterm presentation
Select specific site for barrierBrainstorm designsAlternative comparison“Detailed design”
Geometrically correctConstructableOperable
Final report and presentation
ASCE Met Section Infrastructure Group Seminar 2009
PHASE I PHASE II
Cross Sections0
10
20
30
40
50
60
70
80
90
1000 1000 2000 3000 4000 5000 6000 7000
distance across channel (ft)
dept
h be
low
MLL
W o
r MS
L (ft
)
Arthur Kill
Verrazano Narrows
2006 Upper East River
2007 Upper East River
ASCE Met Section Infrastructure Group Seminar 2009
Verrazano Narrows
1 mile wide, 90 ft deep27 ft storm surgeLocate barrier 1500 ft north of bridge
ASCE Met Section Infrastructure Group Seminar 2009
Sliding Segment Barrier
Ground
Land-based Barriers
Water-based Barriers
Staten Island Brooklyn
Verrazano Narrows ASCE Met Section Infrastructure Group Seminar 2009
Store vertical plates near shoreSlide across channel on tracks
barrier segments
track
housing structure
N
Verrazano Narrows 2006 ASCE Met Section Infrastructure Group Seminar 2009
Locking device
Interior reinforcingbeam
track
Exterior reinforcing
beam
Verrazano Narrows 2006 ASCE Met Section Infrastructure Group Seminar 2009
Verrazano Narrows 2007 ASCE Met Section Infrastructure Group Seminar 2009
stored gates
deployed gates
Verrazano Narrows 2007
Arthur Kill
1800 ft wide, 50 ft maximum depth27 ft storm surgeLocate barrier 6500 ft south of Outerbridge Crossing
ASCE Met Section Infrastructure Group Seminar 2009
Arthur Kill 2007
Butterfly Valve Design
ASCE Met Section Infrastructure Group Seminar 2009
Arthur Kill 2007 ASCE Met Section Infrastructure Group Seminar 2009
Arthur Kill 2007 ASCE Met Section Infrastructure Group Seminar 2009
Arthur Kill 2006 ASCE Met Section Infrastructure Group Seminar 2009
Fabric Barrier Design
Store in trough on channel bottomRaise with pulleys and winches
Arthur Kill 2006 ASCE Met Section Infrastructure Group Seminar 2009
Pivoting Bridge Barrier Design
Plan view conforms to channel geometry Pivot to vertical position to block channel
Upper East River
Upper East River
Evacuation ZonesAll hurricanes≥ Category 2≥ Category 3
0
10
20
30
40
50
60
70
80
90
1000 1000 2000 3000 4000 5000 6000 7000
distance across channel (ft)
dept
h be
low
MLL
W o
r MS
L (ft
)
2006
2007
ASCE Met Section Infrastructure Group Seminar 2009
Upper East River
Some Design Ideas
Drum gate (Thames) in center with lift gates (Netherlands) on sidesDrum gates with nested radial gatesArch dam with “notches” for navigation, moveable curved metal gatesPivoting arched plates that conform to bathymetry
ASCE Met Section Infrastructure Group Seminar 2009
South Shore ASCE Met Section Infrastructure Group Seminar 2009
Rockaway – South Shore
South Shore ASCE Met Section Infrastructure Group Seminar 2009
Rockaway – South Shore
Longitudinal Barrier
2006 – underwater plates (Venice) with cloth barriers at alignment changes
2007 – pivoting boardwalk along length of Rockaway peninsula
South Shore ASCE Met Section Infrastructure Group Seminar 2009
Inlet BarrierPiers support a bridge and house horizontal radial gates
South Shore 2007
gates open gates closed
ASCE Met Section Infrastructure Group Seminar 2009
Summary
Fast-paced courseAddressed environmental, political, social and economic issuesDesign focus was geometry and operabilityThese students graduate in 2010 and 2011
ASCE Met Section Infrastructure Group Seminar 2009
