They showed a 12 inch hose for the draining, how successful is another story
They drilled a vertical escape hatch for the miners in Chile, why not do that?
Hello; Back in 2012 I think in Bell County KY in a coal mine near Middlesboro KY some miners were trapped by a sudden very heavy rain. The authorities brought in several large pumps with 6in and larger hoses. While I do not recall exactly how long it took to get the water levels down in the mine, I do know it was not quick and took a while even after the rain stopped. I talked to one of the trapped miners a few years later who no longer will go underground. I might be able to get more information from my brother as he was part of the rescue effort.
A single 12in hose is better than nothing I suppose. May be only a lets do something even if it fails effort. Not sure how far they can get a 12in hose back in a cave or how hose length affects the flow. They may drain chambers that have little to do with where the boys are trapped. Might keep passages open for the rescuers tho and that is vital also.
Hello; Yes a drill vertical shaft might be a way to go to get them out. So much will depend on the details. I have not heard enough about the rescue plans yet to know what is planned.
I hope all are freed and no rescuers are lost.