The ADA and TAS has also more specific requirements for special situations. I am keeping the references to ADA sections for further reading:
1. In detention and correctional facilities, an accessible route shall not be required to connect stories where cells with mobility features (i.e. for wheelchair users), all common use areas serving cells with mobility features , and all public use areas are already on an accessible route.
2. In residential facilities (required by ADA not Fair Housing), an accessible route shall not be required to connect stories where residential dwelling units with mobility features, all common use areas serving residential dwelling units with mobility features, and public use areas serving residential dwelling units are on an accessible route.
3. Within multi-story transient lodging guest rooms (i.e. two story guest rooms) with mobility features, an accessible route shall not be required to connect stories provided that spaces complying with 806.2 are on an accessible route and sleeping accommodations for two persons minimum are provided on a story served by an accessible route.
4. In air traffic control towers, an accessible route shall not be required to serve the cab and the floor immediately below the cab.
5. Where exceptions for alterations to qualified historic buildings or facilities are permitted by 202.5, an accessible route shall not be required to stories located above or below the accessible story.
6. Per ADA 206.2.4 Exception 3. an accessible routes shall not be required to connect mezzanines where buildings or facilities have no more than one story. In addition, accessible routes shall not be required to connect stories or mezzanines where multi-story buildings or facilities are exempted by 206.2.3 from having to provide access to upper or lower floors.
7. Per ADA 206.2.5 in restaurants and cafeterias, an accessible route shall be
provided to all dining areas, including raised or sunken dining areas, and outdoor dining areas. Except if:
- a mezzanine contains less than 25 percent of the total combined area for seating and dining
- and where the same décor and services are provided in the accessible area.
- In alterations, in existing raised or sunken dining areas,or to all parts of existing outdoor dining areas where the same services and decor are provided in an accessible space usable by the public and not restricted to use by people with disabilities
8. Per ADA 206.2.7 press boxes in assembly areas shall be on an accessible route except in:
- to press boxes in bleachers that have points of entry at only one level if the aggregate area of all press boxes is 500 square feet (46 m˛) maximum.
- free-standing press boxes that are elevated above grade 12 feet (3660 mm) minimum if the aggregate area of all press boxes is 500 square feet (46 m˛) maximum.