A group of American and Dutch architects and urban planners will meet in New Orleans this week for a third session aimed at finding ways to better incorporate water into the city's effort to rebuild more safely after Katrina.But, will it ever come to pass?
Dutch Dialogues 3 is meeting in tandem with the annual conference of the American Planning Association, and will announce its results at a public forum Sunday at 10 a.m. at the Hilton New Orleans Riverside hotel.
The participants will focus on a segment of the city stretching from the Lafitte Corridor abutting the French Quarter -- an abandoned railroad right-of-way that was once the site of a canal that connected the Quarter to Bayou St. John -- to the lakefront, including City Park and a section of Gentilly.
"New Orleans has a history of having had water in it and then moving away from the water," said David Waggonner III, a principal of Waggonner & Ball Architects of New Orleans.
But in the 20th and 21st centuries, New Orleanians shut itself from the water, hemming in the Mississippi River with levees and draining the backswamp with massive pumps and drainage canals that hid the water from view.
Redesigning the city with water
The planners hope to spur redesigns of sections of the city where waterways, urban wetlands and green, open areas can be used to store additional rainfall or where developed areas are redesigned to better hold rainwater through use of new absorbent street and sidewalk building materials or adoption of cisterns and other water-storage containers.
Planners from the Netherlands will share their knowledge of similar efforts adopted in that country, with a recognition that differences in New Orleans' geology and climate will require significant adjustments.
Former wetlands on which Gentilly and other suburban neighborhoods were built used to keep the city's geology buoyant, Waggonner said. Today, vast areas of the city have sunk to as much as 6 feet below sea level, the unintended result of those areas being drained by canals that suck up the water that had kept the soil elevated.
The trick, he said, is to find ways of reintroducing water into soils in ways to reduce subsidence, and in finding ways of transforming the canals into spaces attractive to the public.
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