BSI PD 7974-2:2019
$198.66
Application of fire safety engineering principles to the design of buildings – Spread of smoke and toxic gases within and beyond the enclosure of origin (Sub-system 2)
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 58 |
This Published Document provides guidance on the application of fire safety engineering principles for the treatment of smoke movement, control and management problems. The guidance is intended primarily for professional engineers with a responsibility for the design or assessment of fire safety in buildings.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Foreword |
| 7 | 0 Introduction 1 Scope 2 Normative references 3 Terms, definitions and symbols |
| 13 | 4 Design considerations |
| 14 | Figure 1 — Stages for the analysis of smoke and toxic gases within and beyond the enclosure of origin |
| 20 | 5 Calculation procedures and the role of computer simulation modelling |
| 21 | 6 Design procedure |
| 23 | 7 Analysis |
| 25 | Figure 2 — Schematic showing location of virtual source for calculation of smoke mass flow rate in “far field” |
| 29 | Figure 3 — Schematic showing smoke stratifying before reaching ceiling in an ambient environment where air temperature is elevated at ceiling level |
| 32 | Figure 4 — Flow from a room opening |
| 33 | Figure 5 — Entrainment between the fire compartment opening and the spill edge |
| 35 | Figure 6 — Three-dimensional adhered spill plume |
| 38 | Figure 7 — Three-dimensional channelled balcony spill plume |
| 40 | Figure 8 — Smoke contamination of upper balconies in atria |
| 49 | 8 Data Table 1 — Fraction of chemical heat release from some materials convected by plume in well‑ventilated fires |
| 50 | Table 2 — Smoke mass conversion factor |
| 51 | Table 3 — Ranges of carbon monoxide yields, smoke particulate yields, smoke‑specific extinction areas and mass optical densities for cellulosic and plastic under well-ventilated and under ventilated flaming combustion Table 4 — Carbon monoxide yields, smoke particulate yields, smoke‑specific extinction areas and mass optical densities for well-ventilated combustion |
| 52 | Bibliography |
