Construction costs are currently skyrocketing

We have no influence on how long they wait or where they get their high voltage power from, that’s all managed by the contractor.

Excuse me, but who is the builder? That’s you, isn’t it? And I would definitely inform the contractor, who is working on your behalf and whom you pay for this, about how and what he has to do. Friendly but firmly. And if he wants to apply the finishing plaster after just one week on top of the base coat, then in my opinion that’s too soon. He can wait a few more days.

That’s exactly why there is often trouble because they work according to the contractor’s schedule instead of following the building physics regulations.

I have already seen houses where the entire plaster cracked because the finishing plaster was applied after only a few days. Where else should the moisture go? Just think about it.

For the window and those few days, you can use a simple dimpled foil and some tape. But not duct tape or packaging tape. Otherwise, you’ll get glue residue on the window.

Even easier. Just clamp a complete EPS board precisely into the window recess. For the cable, simply melt a channel along the edge with a heated screwdriver (if you don’t have a soldering iron).

You have an electric car and certainly a corresponding charging station in the garage. That should also be connected in such a way that one can draw three-phase power there, right?

You have an electric car and certainly a corresponding charging station in the garage. That should also be connected in such a way that you can draw three-phase power there, right?

You can fiddle around a lot. But for the general contractor it's of course easier that way. You leave the window open and the client just stuffs something in there at their own expense.

What exactly needs to be supplied with 3x400V outside all the time? I think the house is basically finished?

The cleaning machine requires three-phase power. The cleaning silo does too.

I think the construction manager assumed that it would already be finished by now. But the companies are fully booked, the plasterer has lots of construction sites. I recently spoke with one of his journeymen (that was still during the taping), he laughed and said, "he has so many construction sites, I don't even know when we're where," or something like that. =)
Whether you could branch off at the wallbox, I don't know. I suspect that because the garage is already finished down to the floor, they didn’t want to install a temporary solution there anymore. I didn’t ask.

The plasterers have a machine outside where they break open bags on top, and plaster comes out of a hose. No idea how this magic works, but it’s fascinating. I assume this machine needs the cable.
I admit I haven’t really dealt with it intensively either. By now I have built such a pronounced trusting relationship with our construction manager that I hopefully can rely on him even for the plaster.
But I gladly believe that outsiders would find that naive or be skeptical about it. I can understand that well. We have had rather good luck here so far.

And I would at least inform the construction manager, who is working on your behalf and who you pay for it, how and what he has to do.

To be honest, I don’t want to come across as stupid to him. We have a very good relationship, and both he and I know that he holds all the cards in so many ways. He has already built so many things for us out of goodwill "more" or "better," and didn’t want a cent for it.
Besides, we have a construction contract from 2022 and his word of honor that a fixed price is a fixed price with him. If I piss him off and he then decides to pass the increased construction costs on to us, I’ll be down a five-figure sum or bankrupt.
So: always nice and friendly from now on. It’s not hard either, he really is a good one. =)