jaime ramiro diaz - us epa...lsu coastal sustainability studio bright moments. arcadis deltares...
TRANSCRIPT
LIVING WATER, BUOYANT LAND
Jaime Ramiro DiazWaggonner & Ball Architects
2013 Smart Growth SummitH20 Overview: How to Learn from the New Orleans Urban Waters Partnership
LIVING WATER, BUOYANT LAND
Katrina
LIVING WATER, BUOYANT LAND
Katrina
LIVING WATER, BUOYANT LAND
1953 Flood
LIVING WATER, BUOYANT LAND
Post Katrina Planning Timeline
LIVING WATER, BUOYANT LAND
Dutch Dialogues
LIVING WATER, BUOYANT LAND
Dutch Dialogues
W O R K S H O P N E W O R L E A N S - O C T O B E R 1 0 / 1 3 2 0 0 8• 10 •
LIVING WATER, BUOYANT LAND
Planning Approach
Inhabitation Land Cover
Infrastructure Networks
SoilsWater Biodiversity
LIVING WATER, BUOYANT LAND
System Modeling: Proposed Water System
LIVING WATER, BUOYANT LAND
Combining Good Ideas
LIVING WATER, BUOYANT LAND
Dutch Dialogues
Rotterdam
New York
Jakarta
London
New Orleans
Hong Kong
Tokyo
Ho Chi Minh City
LIVING WATER, BUOYANT LAND
September 2013
Waggonner & Ball Architects
Vision
Greater New OrleansUrban Water Plan
Team & Partners
Manning Architects
Dana Brown Landscape Architects
FutureProof
CDM Smith
Nelson Engineers
Dewberry
GCR
Eustis Engineering
Sherwood Design Engineers
Tulane University
LSU Coastal Sustainability Studio
Bright Moments
Arcadis
Deltares
Royal Haskoning
City of Rotterdam
City of Amsterdam
H+N+S Landscape Architects
Bosch Slabbers Landscape Architects
Robbert de Koning Landscape Architect
Palmbout Urban Landscapes
Technical University Delft
Waggonner & Ball ArchitectsWaggonner & Ball Architects
LIVING WATER, BUOYANT LAND
Living in a Basin
Metro Basin
Orleans East Basin St. Bernard Basin
Adaptation will be second nature, as the region, the place which President Jefferson referred to as the “Island of New Orleans,” becomes a true delta city.
LIVING WATER, BUOYANT LAND
Problems
1. Flooding
2. Subsidence
3. Water Assets Wasted
URBAN WATER FLOWS
System Overwhelmed
LIVING WATER, BUOYANT LAND
Problems: 10 Year Storm Modeled Flooding
Estimated Damages Due to Flooding Over Next Fifty Years: $7.99 Billion
LIVING WATER, BUOYANT LAND
Problems
1. Flooding
2. Subsidence
3. Water Assets Wasted
LIVING WATER, BUOYANT LAND
Effects of Pumping
1895
Today
LIVING WATER, BUOYANT LAND
Problems
Estimated Damages Due to SubsidenceOver Next Fifty Years: $2.19 Billion
High Subsidence Potential
Moderate Subsidence Potential
LIVING WATER, BUOYANT LAND
Problems
1. Flooding
2. Subsidence
3. Water Assets Wasted
LIVING WATER, BUOYANT LAND
LIVING WATER, BUOYANT LAND
Opportunities
1. Improved Safety
2. Economic Vitality
3. Enhanced Quality of Life
LIVING WATER, BUOYANT LAND
Opportunities
1. Improved Safety
2. Economic Vitality
3. Enhanced Quality of Life
LIVING WATER, BUOYANT LAND
Opportunities
1. Improved Safety
2. Economic Vitality
3. Enhanced Quality of Life
Proposed Stormwater FlowsA storage-based system that works with natural features
System scale water storage
Small scale strategies to slow water
Split at the ridge waterworks 5 miles
Stormwater Proposals
98 98 Greater New Orleans Urban Water PlanAdapting the Flow
Living Water System
System Components Green Streets, Circulating Canals, Parklands, and Waterfronts
LIVING WATER, BUOYANT LAND
System Modeling: Proposed Water System
BUILDING THE WATER CITY
Smart Retrofits
1 Inspire 2 Act 3 Achieve
LIVING WATER, BUOYANT LAND
Regional Costs vs. Benefits Over Fifty Years
52 Building Value
Economic Impact and Job Creation
53Greater New Orleans Urban Water Plan
The Urban Water Plan introduces a new industry, creating jobs in the design, construction, and maintenance of stormwater management practices. In addition to the wages paid to individual workers, these new jobs create an economic benefit to society in expanding the tax base and reducing poverty-related costs. Intensive implementation of the plan would create up to 101,790 direct and indirect jobs (full and part-time) over the next 50 years and have a regional economic impact of $11.3 Billion.
$11.3 Billion
Reduced Flooding Cost
Common two-year, five-year, and ten-year storm events in the New Orleans area (with 50%, 20%, and 10% chance of occurring each year, respectively) impose an economic drain on local businesses and property owners. Beyond the structural damage and lost worker productivity, these flood events, over 50 years, produce approximately 600,000 tons of debris and leave over 270,000 households in need of temporary shelter.
$8.0 Billion
Reduced Subsidence Cost
By actively managing the region’s groundwater levels, the Plan minimizes land subsidence, thereby reducing damage to structures and infrastructure, including levee improvement costs. Only costs associated with building structural damage are presented here. Infrastructure costs due to subsidence, such as damage to streets, sidewalks, utilities, etc, which are not quantified within the scope of this project, will be significantly higher.
$2.2 Billion
Lower Flood Insurance Premiums
The National Flood Insurance Program allows cities and counties to earn discounts on flood insurance premiums for their residents through the Community Rating System. The CRS awards points to communities that implement technical solutions and outreach campaigns that mitigate flood risk. Analysis of the credits currently earned by Orleans and Jefferson Parish communities, and the range of credits available, reveals that there is potential for significant savings in all three parishes.
$609 Million
Increased Property Values
By investing in new open canals, storage areas and green space, the Urban Water Plan stands to have a positive impact on property values and new investment. Over 41,500 properties lie within 200 meters of a proposed intervention or improvement. Using assessed values for these parcels, it is estimated that with intensive implementation, property values would increase by $183 million.
$183 Million
>$22.3 Billion
=Total Economic Benefit
+
+
+
EEconomic Impact& Job Creation
Reduced Cost ofFlood Damages
Reduced Cost ofSubsidence Damage
ImprovedInsurability
IncreasedProperty Values
51%
1%2%
10%
36%
Quantitative Benefit Ratios
0
5
10
6.2
22.3
15
20
Slow
Store
Drain
IncreasedProperty Values
ImprovedInsurability
Reduced Damagesdue to Subsidence
Reduced Damagesdue to Flooding
Economic Impact& Job Creation
Urban Water PlanLong-Term Cost
50 YearBenefit
Billi
ons
($)
Plan Costs vs. Benefits
+
LIVING WATER, BUOYANT LAND
Regional Plan
Lake Pontchartrain
Lake Borgne
West Bank
Jefferson Parish
New Orleans
New Orleans East
St. Bernard
Gulf of Mexico
LIVING WATER, BUOYANT LAND
1
6
2
3
4
79
9
9
10
11 12
1. Lafitte Blueway
2. Orleans Avenue Canal
3. Bayou St. John
4. London Avenue Canal
5. Filmore (Gentilly)
6. Claiborne Corridor
7. Desire Parklands
8. Inner Harbor Navigation Canal
9. Uptown Streets
10. Palmetto Canal
11. Hollygrove & the Monticello Canal
12. Lakeview
5
6
11
Orleans Basin
LIVING WATER, BUOYANT LAND
Uptown to Bucktown: Redirect Upslope Drainage
LIVING WATER, BUOYANT LAND
Streets
Uptown to Bucktown: Interceptor Streets
Uptown to Bucktown: Interceptor Streets
Lafitte Blueway: Historic Water Identity
Lafitte Blueway: Basin Street
Circulating System
Lafitte Blueway: Bayou Cascade
LIVING WATER, BUOYANT LAND
Lafitte Blueway: Drainage Impact
LIVING WATER, BUOYANT LAND
Lafitte Blueway
LIVING WATER, BUOYANT LAND
Lafitte Blueway
LIVING WATER, BUOYANT LAND
Lafitte Blueway
Mirabeau Water Garden
Mirabeau Water Garden
Mirabeau Water Garden
140 acres CAPTURED RUNOFF
DIRECT
SECONDARY
745 acres IMPROVED FLOW
PUMP STATION #4
FREN
CH Q
UART
ER
PUMP STATION #3
PUMP STATION #17
PUMP STATION #19
L A K E P O N T C H A R T R A I N
LAKEFRONT PUMP STATION (INTERIM)
LON
DO
N AVEN
UE CAN
AL
INDU
STRIAL CANAL
BAYO
U S
T. J
OH
N
This area drains through two main pipes under Mirabeau and Owens Blvds, which can be diverted into the site
Retention upstream allows drainage in this area to flow more efficiently to Pump Station #4
Reduced volume at Pump Station #4 benefits the entire Gentilly area
2,900 acres INCREASED PUMP CAPACITY
Less water entering the London Avenue Canal at Pump Station #4 makes pumping at Station #3 more effective
LOWERED CANAL WALLS6,115 acres
(London Avenue Canal watershed)
BENEFITS
25 acres RETENTION AND STORAGECSJ + adjacent vacant properties developed into water storage
M I S S I S S I P P I R I V E R
3,785 acres
6,115 acres
TOTAL 9,900 acres
Noise barriers
Railroads
Underpass
Filled canals
Ridges
Pumping Stations
Highways & Interstates: On grade
Hydrologic Boundaries
Highways & Interstates: Elevated
Existing Drainage Catchment Areas
LLT Properties
New Orleans Blighted Properties
Parks
Agriculture
Woodland
Recreation and Nature Preserves
District Boundaries
Basin Boundaries
LEGEND
N
1 mi
Forebay
Municipal
Drainage
Pump
Fi l t rat ion Terraces
Publ ic Access
Cypress
Forest
Swimming
PoolWil lo
w GroveLi l l ie
s
Grasses
Mirabeau Water Garden
LIGHT RAIN EVENTDRY CONDITION EXTREME RAIN EVENTAVERAGE RAIN EVENT
Mirabeau Water Garden
LIVING WATER, BUOYANT LAND
l ivingwithwater.com