Depending of the characteristics of the site, the dimensions and use of the rooms, the on-site equipment, the physical and chemical properties of the substances present and the maximum potential number of people present, an adequate number of appropriate fire-fighting devices and, where required, fire detectors and alarm systems must be provided.
Glede na značilnosti gradbišča, velikost in uporabo prostorov, opremo na gradbišču, fizikalne in kemične značilnosti prisotnih snovi in največjega potencialnega števila prisotnih oseb mora biti poskrbljeno za zadosti naprav za gašenje požara ter, kadar je potrebno, za požarne detektorje in alarmne sisteme.