People build complex machines called cities, outposts, or stations which integrate many structures, networks, and services supporting large numbers of people.
Creating these machines combines the layout of:
How is air generated?
How is air stored?
How is air distributed among and within structures?
How is air recycled?
How is air purified or filtered?
How is water generated?
How is water stored?
How is water distributed among and within structures?
How is water recycled?
How is water purified or filtered?
How is food generated?
How is food stored?
How is food distributed among and within structures?
How is food recycled?
How is food purified or filtered?
What power transfer networks are available?
What lighting networks such as streetlights are available?
How is waste generated?
How is waste stored?
How is waste distributed among and within structures?
How is waste recycled?
How is waste purified or filtered?
How do people move around the city?
How do goods move around the city?
Are alarm systems present (fire, smoke, movement, intrusion)?
What commercial radio and video stations or networks are present?
Wired or wireless computer network connections?
What amateur radio networks such as repeaters are present?
What weather monitoring networks are present?
How does information move around the city?
How do surface transports coordinate traffic controls?
Are closed-circuit camera systems present?
How do waterborne transports coordinate traffic controls?
How do airborne transports coordinate traffic controls?
How do spacefaring transports coordinate traffic controls?