The minimum clear floor space for a handicapped accessible wall or post water fountain or cooler shall be _________ by __________ inches.

The minimum clear floor space required for a handicapped accessible wall or post water fountain or cooler is established to ensure that individuals with disabilities can easily access and use the fountain or cooler without obstruction. A space of 30 inches by 48 inches provides sufficient maneuvering room for wheelchair users or those with mobility aids.

This specific dimension allows for both approach and use of the fountain comfortably and complies with the accessibility standards set forth in the Omaha Plumbing Code as well as the Americans with Disabilities Act (ADA).

Achieving compliance with these standards is crucial, as it not only provides accessibility to individuals with disabilities but also promotes inclusivity within public spaces. The other listed dimensions do not meet the required standards for clear floor space, as they either offer less space or do not accommodate necessary movements and approaches efficiently.