N scale factories need access and service ladders. Osha requires access ladders over 20 feet to have a safety cage at 30 feet, a platform is required. As a N-Scale Plant manager, you are required by law to ensure the safety of your crew.
It will look great for modern modeling era.
Buy only what you need - Each section is 8 feet
OSHA requires safety cages since 1971
Cage should start between 7 and 8 feet from the ground