Tuesday, September 02, 2008

The Braithwaite subdivision was, and most likely is still, under the threat of having a nearby levee breach. The waters overtopped the levees at that point and, when I saw Fox 8's coverage of citizens and rescue workers sandbagging the heck out of that area, I saw a familiar building in the distance. More on that in a minute.

Here's why we oughta care about that area:

The compromised levee is adjacent and parallel to Clearwater Canal and is a Plaquemines Parish responsibility, not built by the Army Corps of Engineers. Crews have worked through the afternoon and evening to maintain the levee’s structure. Several national media report that parish officials evaluate the levee materials as “soft” and do not expect them to withstand the stress of Gustav’s storm surge and rainfall.

The Caernarvon diversion was constructed in the early 1990s in response to increasing invasion of freshwater marshland by the open waters of the Gulf of Mexico and decreasing levels of nutrients and sediment reaching the marsh from freshwater sources. About 3,400 acres of wetlands have been lost since 1956 in Caernarvon’s target area of 15,556 acres in the Breton Sound basin. Caernarvon expects to recover about a quarter of that amount of wetlands in the first twenty years of operation, commencing 1992.

The Caernarvon operation is NOT a pumping station built for flood water containment or displacement. It manages outfall from the Mississippi River into Big Mar and Bayou Mandeville. The project includes the diversion structure and water “control structures” (boxed flood gates) that were installed in existing “earthen closures” (levees) and can permit a maximum of 8000 cubic feet per second of fresh water, sediment and nutrients to enter wetland areas that had been previously isolated.

To displace canal water into the currently lower level Mississippi, this process will be allowed to flow in reverse.

Caernarvon was funded under the Water Resources Development Act of 1992. The “control structures” were installed along a roughly circular path of waterways west of Big Mar and north of Lake Leary, including the Delacroix Canal and D P Canal and Reggio Canal. The Mississippi River diversion gate is on the south bank between the towns of Braithwaite and Poydras, near St. Bernard State Park and Braithwaite Country Club Lakes subdivision and Hidden Oaks Golf course. The project takes its name from the Caernarvon plantation that once occupied the gate’s site. Prior to construction, a site survey found no historic structures or artifacts that would be displaced by the diversion project.

The familiar-to-me building in the distance? None other than EBI, or Elevating Boats LLC. When I was still glassblowing, I headed out to EBI with my then-boss, where we took advantage of the use of their seriously cool computerized machine that could cut through metals with a highly pressurized water jet for some copper work we were selling in the gallery where I worked. Those people were hard workers and as nice as they could be.

I hope they are all okay.

And I would think that the folks of Braithwaite, if they were in New Orleans, would absolutely be in the "tier one" group for return to their homes and businesses, instead of strictly "retailers and major companies". Dammit, we all just want to go home. Isn't showing a driver's license or legal ID with my home's address on it enough?????


The long, long road home,New Orleans said...

i understand your frustration. I have a feeling they will open the city by wednesday or face a revolt.

saintseester said...

I, too, think they need to let residents in as soon as residents are ready. If you are prepared to do without power for the short term, then go in. If they make people wait too long and frustrate them too much, people won't leave the next time it could be severe.

I count blessings everyday that you and your family and the other blogger peeps I interact with are safe and sound.