dwyer road subbasin landscape development...southeast louisiana drainage project . ... landscape...
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US Army Corps of Engineers BUILDING STRONG®
US Army Corps of Engineers BUILDING STRONG®
Southeast Louisiana Drainage Project
Orleans Parish
Dwyer Road Subbasin
Landscape Development
March 24, 2015
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BUILDING STRONG®
Meeting Purpose
Overview of Southeast Louisiana Project Drainage Improvements for the Dwyer
Subbasin Post-construction landscape planning Obtain community input on landscape
design
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BUILDING STRONG®
N.O. International Airport 12.24 in
Elmwood 11.24 in
Ormond Estates 18.5 in
• May 1995: 6-hour rainfall averaged 12 in • Some locations up to 28 inches in the 24-hour period • Since 1978, well over $1 billion in damages from rainfall flooding
Flood Damages
Lake Pontchartrain
Duncan 9.8 in
Suburban 8.1 in
Bonnabel 12.59 in
Algiers 4.58 in
Slidell 9.5 in 6-hr Rainfall--May 95
• Fiscal Year 1996 Energy and Water Development Appropriations Act (Nov ’95) • 1996 Water Resources Development Act (Oct ’96) • Department of Defense Appropriations Act, 2006; Supplemental Appropriations Act,
2008; Consolidated Security, Disaster Assistance, and Continuing Appropriations Act, 2009
Congressional Actions Audubon Park 10.94 in
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BUILDING STRONG®
Orleans Parish Projects
Project Cooperation Agreement between USACE and the Sewerage & Water Board of New Orleans executed
January 23, 1997
Project Partnership Agreement between USACE and CPRA executed
January 16, 2009
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BUILDING STRONG®
$1.4 billion in work authorized ► $997M Federal ► $407M non-Federal
Adding approximately 3,500 cfs to East Bank stations and 1,800 cfs to West Bank
East Bank: 65,000 linear feet of canal improvements
West Bank: 44,000 linear feet of canal improvements
Summary of Orleans Parish Improvements
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BUILDING STRONG®
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BUILDING STRONG®
Dwyer Subbasin Drainage Improvements
Dwyer Pumping Station - completed January 2011 ► New 1050 cfs Pumping Station
Dwyer Outfall Canal - completed August 2004
► New 22-ft x 10-ft below ground canal from the Pump Station to the Industrial Canal
Dwyer Intake Canal - completed October 2013 ► New below ground box culvert ranging in size from 10 ft x 10ft to 14 ft x 11 ft ► Camelia Street to Dwyer Pump Station (approx 6,800 linear feet)
TOTAL CONSTRUCTION COST: $91.7 Million
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BUILDING STRONG®
Dwyer Subbasin Drainage Improvements
Benefits: ► Provide flood risk
reduction for a 10-year storm event
• 3 inches 1st hour, 9 inches over a 24 hour period)
► Works in conjunction with existing drainage system
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BUILDING STRONG®
Dwyer Road Community Communication
January 2009 kick-off:
► Neighborhoods Partnership Network, Melia and Rosedale Neighborhood representatives
• Requested walking path for safe place to walk & exercise
Continued communication throughout drainage project: ► Pathway ► Trees along pathway for community cohesion/beautification ► Preserve and enhance scenic and aesthetic qualities
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BUILDING STRONG®
Dwyer Road Post Construction Landscape Planning
Design Considerations – site conditions: ► Below ground obstructions:
► Two large drainage culverts (12 ft wide and 10 ft wide)
► Limited cover prohibits large or medium trees
► Above ground obstructions: ► Overhead power lines &
residential distribution lines prohibits planting of large trees
EXISTING CANAL 30 inch
sewer
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BUILDING STRONG®
Dwyer Road Post Construction Landscape Planning
Design Considerations – site conditions: ► Compliance with City Planning, Parks and Parkways, and
Department of Public Works ► city ordinances and guides for planting ► city’s master plan for land use ► Americans with disabilities act ► Protection of existing infrastructure and public property ► Coordination with city of New Orleans Parks and Parkways
regarding picking a proper and suitable tree selection - pest issues, trimming requirements, hearty tree varieties, well
suited for climate ► Incorporate some native trees with ornamental trees
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BUILDING STRONG®
Dwyer Road Post Construction Community Input
Preliminary Community Feedback: ► Pathway– curved walkway ► Trees similar to those on Claiborne
► Taller trees are not possible with site conditions – similar medium sized trees included in concept
► Trees at corners should not block views and signage ► Desire for benches – similar to Joe Brown
► Will be incorporated
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BUILDING STRONG®
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BUILDING STRONG® 14
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BUILDING STRONG®
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BUILDING STRONG®
What is the next step?
Develop detailed Plans and Specifications: ► Specific trees will be determined based on design criteria in
conjunction with the existing survey layout ► Consider size – both height and canopy ► Sustainability
Schedule for planting: ► Current schedule – planting early calendar year 2016
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BUILDING STRONG®
Open Discussion - Feedback
CONTACT INFORMATION:
U.S. Army Corps of Engineers, New Orleans District: Caitlin Campbell, Public Affairs: (504) 862-2545 Lori Wingate, Project Manager: (504) 862-1285
WEBSITES:
http://www.mvn.usace.army.mil/ www.swbno.org/work_drainageSELA.asp