Take it for what is worth, poloncarz said they were ahead of schedule because of the mild winter a few days ago.
https://www.wgrz.com/video/news/local/as-seen-on-tv/71-55d2756d-38bb-40a7-bff7-9ad034fa9e69
For those that don't want to watch: specifically said they poured the concrete a few weeks earlier than expected and material availability would be the only thing that they are worried about.