Late morning update:
Not a lot to report. Yes, the steel for the hard shell part of the roof is complete. They are putting up those packages of corrugated shell and grey tarp now. Should be done with that pretty soon and then start on getting those components (let's call them layer one) over the steel. Would not be surprised if the entire hard shell had at least the layer one covering in place by the end of the week. That would give them a full week to get the insulation layers and the white exterior covering up during next week, which I believe is week 6.
The next exterior crane to be decommissioned will probably be the one in the northwest corner. Most of the white cover in that corner of the dome appears to be in place. After that, I don't think it will be needed any longer.
It looks like the 3rd crane to complete it's tasks will be the one in the northeast corner, which appears to have layer one just about done. Guessing we will start seeing some insulation start getting loaded up there shortly. Right now, it looks like the final stages of finishing layer one (where they put up the shards to fill gaps in the seams) is being done. They have to be close to insulating and sealing that side soon.
It looks like the crane in the southeast corner still has some layer one to put up and then it will be done. Crane 5b will probably be the last to go.
I can see the white outer layer in the northwestern corner moving a bit in the strong breeze today. Looks like they haven't done the heat seals to lock it in place yet. There is no rain in the forecast until Thursday so they have some time to do this.
Looking at the 10 day forecast, they are probably going to struggle to get much done this weekend. Lots of rain in the forecast. But next week looks a lot better.
Update:
There are workers on the arcs. They are standing on them, walking on top of them and straddling them, like a horse. I am sure they are tethered, but wow, props to them for doing this on a windy day. Up there, it has to be really gusty.
