I. – Within the pyrotechnic enclosure, separate pyrotechnic installations are provided for :
1° The study, experimentation and testing of explosive substances or objects;
2° The manufacture and handling of explosive objects;
3° The manufacture and handling of explosive substances;
4° Destruction of explosive substances or objects;
5° The storage of explosive substances or objects, with the exception of the storage of quantities required for ongoing production.
II. – However, the manufacture or testing of explosive objects may be carried out in the same buildings as the manufacture of explosive substances under the following two conditions:
1° The layout of the installations makes it possible to reduce the number of workers exposed to the pyrotechnic risk, in particular by avoiding intermediate storage or handling;
2° The safety study shows that the pyrotechnic risk to which each worker is individually exposed is no higher than if the two categories of installations were located in separate buildings.