With the Hand me that brick Mod colonists assigned to Hauling will deliver resources to blueprints and construction frames. Haulers won’t actively construct if they are not assigned to construction.
You may toggle this behaviour by going into Options > Mod Settings.
Preview of the Hand me that brick Mod
Here’s a video by BaRKy with a preview of the Hand me that brick Mod:
If you feel it’s stupid that one single colonist has to do 500 trips carrying materials to build something, the Hand me that brick Mod is for you. Now other colonists assigned to hauling will help out!