1. BS 7974:2019. Application of fire safety engineering principles to the design of buildings. Code of practice. London, UK, British Standards Institution, 2019. 34 p.
2. PD 7974-1:2019. Application of fire safety engineering principles to the design of buildings. Part 1: Initia-tion and development of fire within the enclosure of origin (Sub-system 1). London, UK, British Standards Institution, 2019. 48 p.
3. PD 7974-2:2019. Application of fire safety engineering principles to the design of buildings. Part 2: -Spread of smoke and toxic gases within and beyond the enclosure of origin (Sub-system 2). London, UK, British Standards Institution, 2019. 58 p.
4. PD 7974-3:2019. Application of fire safety engineering principles to the design of buildings. Part 3: Structural response to fire and fire spread beyond the enclosure of origin (Sub-system 3). London, UK, British Standards Institution, 2019. 128 p.
5. PD 7974-4:2003. Application of fire safety engineering principles to the design of buildings. Part 4: Detection of fire and activation of fire protection systems (Sub-system 4). London, UK, British Standards In¬stitution, 2003. 44 p.