Special purpose sliding doors must be what?

Special purpose sliding doors must adhere to specific operational criteria to ensure safety, accessibility, and convenience. The comprehensive nature of requirement D captures all necessary characteristics.

Power-operated doors are essential, particularly in commercial settings where they provide ease of access, especially for individuals with disabilities or those carrying heavy items.

Additionally, these doors need to be capable of being manually opened. This feature is critical for situations when power may be unavailable or in emergencies where immediate manual operation is necessary.

Furthermore, the doors must be openable by a simple method without requiring special knowledge. This ensures that users can operate the door efficiently without needing extensive training or understanding of complex mechanisms, thereby promoting user-friendly access.

Combining all these aspects outlines a complete understanding of the operational needs for special purpose sliding doors, emphasizing safety, accessibility, and user-friendliness in commercial buildings.