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To: jeffers
Sealing a flowing levee breach is a very tough job.

Could you explain briefly what is involved in the repair, say now versus post-flooding? At what point could it start?

It's on-topic enough I think.

319 posted on 08/30/2005 8:05:19 AM PDT by technochick99 (firearm of choice: Sig Sauer....)
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To: technochick99
Could you explain briefly what is involved in the repair, say now versus post-flooding? At what point could it start?

First off, why it's hard to do before the water levels match: when you were a kid, did you ever try to dam a small stream? It's pretty much impossible to do it by dumping dirt onto the edges of the dam -- you have to put stuff in that's heavy enough to withstand the rushing water. But they can't get big rocks there now, so it's pretty much impossible to fix.

Once the water levels have equalized, then it's possible to start transporting and dumping stuff into the breach. Once a stable wall has been rebuilt, they can start pumping water back over the wall to drain the city.

342 posted on 08/30/2005 8:11:00 AM PDT by r9etb
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