A DDA building permit confirms that structural modifications in Nuzul — mezzanine additions, wall or partition changes, extensions, or new structures — have been reviewed and approved by the authority before construction begins. Because approval requirements vary by modification type, always confirm scope with the relevant authority — for official requirements, see dda.gov.ae. This applies to warehouses, staff accommodation buildings, and industrial facilities operating within Nuzul. Structural calculations and drawings must be prepared by a UAE-licensed engineer and submitted as part of the application.