Complete guide: ISU regulations for commercial buildings

When a fire safety authorization is required

In most cases, commercial buildings are required to obtain the fire safety approval and subsequently the fire safety authorization, in accordance with Government Decision 571/2016. The main criteria are the total built-up area, the number of levels, and the maximum simultaneous occupancy capacity.

For commercial spaces with a built-up area exceeding 600 m², the authorization is mandatory. Below this threshold, the general fire protection obligations remain in force: providing fire extinguishers, marking evacuation routes, and training personnel.

Steps for obtaining the approval and authorization

The process begins in the design phase, with the development of the fire safety scenario and the related drawings. The documentation is submitted to the county inspectorate for emergency situations, which issues the fire safety approval.

After the works are completed, the fire safety authorization is requested, based on the documents attesting that execution complied with the approved design: hidden works reports, equipment certificates of conformity, and test reports.

• Fire safety scenario - prepared by certified specialists
• Fire safety approval - before the works begin
• Installation execution - by authorized companies and with certified equipment
• Fire safety authorization - before commissioning

Mandatory systems in commercial buildings

Depending on the size and intended use of the building, normative P118 and the related technical regulations require: fire detection and alarm systems, indoor and outdoor hydrants, sprinkler extinguishing systems, smoke control systems, and emergency lighting.

Hydroworld provides the design, execution, and maintenance of all these systems, with the complete documentation required to obtain the ISU authorization.