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Greater New Orleans<br />
Hurricane and Storm Damage<br />
Risk Reduction System<br />
HSDRRS Closure Plan<br />
US Army Corps of Engineers<br />
BUILDING STRONG ®<br />
20 June 2012
HSDRRS Openings<br />
Total System Openings: 504<br />
Navigable Openings: 13<br />
Roadway Openings: 145<br />
Railroad Openings: 42<br />
Access Openings: 151<br />
Drainage Openings: 153<br />
•Approx 100 of these openings kept in the closed position<br />
•Data as of 31 May 2012<br />
2
Bayou Verret<br />
17 th St.<br />
Bayou Segnette<br />
Major Structure Utilizations<br />
Orleans<br />
Harvey Floodgate<br />
London<br />
Hero Canal<br />
3<br />
Seabrook<br />
<strong>West</strong> Closure Complex<br />
IHNC Surge Barrier<br />
Caernarvon
Major Structure Utilizations<br />
LPV<br />
17 th St Canal – USACE to close gates & utilize pumps<br />
Orleans Ave Canal – USACE to close gates & utilize pumps<br />
London Ave Canal – USACE to close gates & utilize pumps<br />
Seabrook – 3 total openings, under USACE direction<br />
contractor will close gates<br />
IHNC Surge Barrier – 3 total openings, USACE will close gates<br />
Caernarvon Sector Gate – USACE will close gates<br />
WBV<br />
Hero Canal Stoplog Gate – Under USACE direction contractor will<br />
close gate<br />
4<br />
Closure Count:<br />
<strong>West</strong> Closure Complex – 3 total openings. USACE will close gates &<br />
utilize pumps<br />
Harvey Floodgate – USACE to close gates & utilize pumps<br />
Bayou Segnette Complex – Under USACE direction contractor will<br />
close gates & utilize pumps<br />
Bayou Verret Sector Gate – USACE will close gates Closure Count:<br />
504<br />
487
Construction Closures & Interim Structures<br />
5
Construction Closures<br />
LPV<br />
LPV 09.2 – East side Duncan Pump Station there is a 40’construction access point. Closure<br />
consists of hescos deployed prior to a storm event.<br />
LPV 17.2 - There is a 33’ construction access point. Closure consists of a steel gate which is<br />
already on site and has been test fitted.<br />
WBV<br />
WBV 09c – Hwy 23 gate fix is being done on site and plan is to hang gate prior to a storm event.<br />
Back-up plan to use an engineered construction closure that consists of 127’ of hescos to be<br />
deployed as a storm event approaches in case issues arise with hanging the gate.<br />
WBV 73 – There is a 180’ construction gap remaining on the bypass lanes that will be closed by<br />
hescos that will be deployed as a storm event approaches.<br />
WBV 16b – There is a 65’ construction gap that will be closed with an engineered construction<br />
closure which consists of RIBS (Rapid Installation Barrier System) deployed prior to a storm<br />
event. Materials are on hand.<br />
WBV 16.2 – There is a 30’ construction gap will be closed with an engineered construction<br />
closure that consists of hescos prior to a storm event.<br />
6<br />
Closure Count:<br />
487<br />
Closure Count:<br />
481
Interim Structures<br />
LPV<br />
LPV 09.2 – Near Duncan Pump Station there is an 18’ gap and a 2’ gap. Closure consists of<br />
sheet pile and hescos that will be placed once the plan is approved.<br />
7<br />
Closure Count:<br />
LPV 104.01a – Buttressing work will develop and approximately 60’-70’ gap in the embankment<br />
adjacent to the floodwall. Closure plan (likely hescos) is being developed.<br />
LPV 104.02 – Buttressing work will develop and approximately 60’-70’ gap in the embankment<br />
adjacent to the floodwall. Closure plan (likely hescos) is being developed.<br />
LPV 144 – The Bayou Dupre gate is being fixed on site and the gate will be re-hung by mid July.<br />
ED is developing an interim structure for the 56’ gate opening that consists of installing an<br />
additional needle girder and extending the needles as a interim closure plan.<br />
WBV<br />
WBV 15b.2 – The interim structure consists of a combination of 100’ of sheet pile and 20’ of<br />
hescos.<br />
WBV 15a.2a – 530’ structural braced sheetpile interim structure.<br />
481<br />
Closure Count:<br />
475
Closure Monitoring (LIMS)<br />
8
Closure Monitoring (LIMS)<br />
9
Lake Pontchartrain and Vicinity<br />
Perimeter<br />
Orleans <strong>Levee</strong> <strong>District</strong> – 36 openings<br />
18 drainage valves, 16 roadway gates, 1 railroad gate, 1 navigable gate<br />
Lake Borgne <strong>Levee</strong> <strong>District</strong> – 15 openings<br />
12 access gates, 3 drainage valves<br />
East <strong>Jefferson</strong> <strong>Levee</strong> <strong>District</strong> – 8 openings<br />
4 roadway gates, 4 access gates<br />
Pontchartrain <strong>Levee</strong> <strong>District</strong> – 7 openings<br />
4 drainage structures, 2 roadway gates, 1 railroad gate<br />
USACE – 6 openings<br />
5 roadway gates, 1 railroad gate<br />
10<br />
Closure Count:<br />
475<br />
Closure Count:<br />
403
Lake Pontchartrain and Vicinity<br />
Outfall Canals Interior<br />
Orleans <strong>Levee</strong> <strong>District</strong> – 20 openings<br />
17 access gates, 3 railroad gates<br />
East <strong>Jefferson</strong> <strong>Levee</strong> <strong>District</strong> – 5 openings<br />
4 access gates, 1 railroad gate<br />
IHNC Interior<br />
11<br />
Closure Count:<br />
Orleans <strong>Levee</strong> <strong>District</strong> – 101 openings<br />
67 roadway gates, 16 drainage valves, 11 railroad gates, 6 access gates, 1 navigable gate<br />
403<br />
Closure Count:<br />
277
<strong>West</strong> Bank and Vicinity<br />
Perimeter<br />
USACE – 12 openings<br />
5 roadway gates, 3 access gates, 3 railroad gates, 1 drainage structure<br />
<strong>West</strong> <strong>Jefferson</strong> <strong>Levee</strong> <strong>District</strong> – 1 opening<br />
1 access gate<br />
Harvey/Algiers Interior<br />
<strong>West</strong> <strong>Jefferson</strong> <strong>Levee</strong> <strong>District</strong> – 69 openings<br />
37 access gates, 32 drainage valves<br />
USACE – 28 openings<br />
13 access openings, 8 drainage valves, 5 roadway gates, 2 railroad gates<br />
12<br />
Closure Count:<br />
277<br />
Closure Count:<br />
167
Mississippi River <strong>Levee</strong>s<br />
East Bank<br />
13<br />
Closure Count:<br />
Orleans <strong>Levee</strong> <strong>District</strong> – 138 openings<br />
64 drainage valves, 32 roadway gates, 26 access gates,16 railroad gates<br />
Lake Borgne <strong>Levee</strong> <strong>District</strong> – 9 openings<br />
5 roadway gates, 3 railroad gates, 1 access gate<br />
<strong>West</strong> Bank<br />
<strong>West</strong> <strong>Jefferson</strong> <strong>Levee</strong> <strong>District</strong> – 18 openings<br />
16 access gates, 2 roadway gates<br />
Algiers <strong>Levee</strong> <strong>District</strong> – 2 openings<br />
2 access gates<br />
167<br />
Closure Count:<br />
0
Regulated Navigation Area
2012 Hurricane Preparedness<br />
Preparedness Planning<br />
► Developing interim operating procedures for the IHNC and WCC basins<br />
► Managing construction closure plans for ongoing contracts, coordinating<br />
necessary closures with the local sponsors<br />
► Coordinating hurricane response plans with the local levee districts and the State<br />
► Updating a closure tracking system (LIMS) for all HSDRRS openings with SLFPA<br />
E&W and the State of LA<br />
Preparedness Exercises<br />
► 28 March - 4 April – Division Level Tabletop exercise<br />
• Simulation run from 6 days before through landfall<br />
• Designed to test key decision making and coordination<br />
► 10 May – <strong>District</strong> Level Tabletop Hurricane Exercise<br />
► 13-14 June – Hurricane Teams training<br />
► 18-19 June – <strong>District</strong> Full Hurricane Exercise including structure test closures<br />
► Ongoing tests at Outfall Canals, WCC, Seabrook and IHNC leading up<br />
to and throughout hurricane season<br />
15
Discussion<br />
16
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