In some cases the "Construction Site" achievement was not unlocking.
This has been fixed, and the conditions to unlock all achievements are double-checked when launching the game, to allow retroactive unlocking.
Fix for achievement issues (November 14)
Source: Steam Community (opens in a new tab)
Build and release context
Steam update times within 24 hours of this post. Matching dates do not confirm which build it describes.
Build 16404636 · public branch
Steam updated · First observed