A project which can be built anywhere. It allows small buildings which require too much material for a single load to be built. They are (list is organized to match order in the construction menu):
Built: outside
Skill/Tech required: Project Management
Credit for "builder" of the item goes to the person who loaded the last item into the site, not to the builder of the site. This is important if you are helping someone construct something for principles or for test structures.