First of all, it depends on how big the project is. If the building area exceeds 300 square meters, you need to go to the fire brigade for the record.

And the ceiling. According to the fire code, the ceiling needs to be sprayed.

A sprinkler is arranged below the ceiling, and the sprayed water is in the shape of a throwing object, which sprays 80 ~ 100% of the total water to the ground to play a fire extinguishing role.

In An, you can consult An Du 'an Electronics, which is a one-stop service for fire protection reconstruction construction projects such as fire protection design, audit, declaration, filing, installation, decoration, design, reconstruction, acceptance procedures, business license, safety inspection and maintenance.

In the building with frame structure, the sprinkler of automatic sprinkler system is installed in the form of upper spraying by default, but when the owner carries out decoration, it is often necessary to change the sprinkler to lower spraying before ceiling installation.

Nozzle renovation needs to be filed with the property management unit, which will drain water from the sprinkler pipe network in this area. Transformation must be carried out by professional fire maintenance units or construction units. After the renovation is completed, the property management unit will conduct acceptance, and the water supply will be restored after the acceptance.

If the evidence has not changed, it will not affect the scope of protection and use function. As long as the building fire safety management department registers for the record, it is not necessary to declare to the fire department.