Jerry Brown should have taken some of the billions he’s spent on the train to nowhere and fixed the dam.
A UH-60 will only sling load about 2 cubic yards per load, max.
Long day!
They need the Erickson Sky Cranes, the CH-53D/E or the Chinooks.
Well I posted a critical comment about this attempt last night. However, when I viewed this and then looked at a local CBS video as well, it looks like a better staged operation than what I had first anticipated.
Rip-rap rock in bags to hold it together makes a good substrate for this sort of repair IMHO. In my experience, you can confine it with concrete walls and possibly top it with concrete. It allows a concrete topping to have a lower substrate that won’t wash out from under a capping layer of concrete.