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24/30457463 DC BS 4422 Fire. Vocabulary, 2024
- 30457463_Form 36
- 30457463_Text with changes [Go to Page]
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 ablative materials
- 3.2 access level
- 3.3 access panel
- 3.4 access room
- 3.5 access statement
- 3.6 accessible and adaptable housing
- accommodation stair
- 3.7 accommodation stairway
- 3.8 active fire curtain barrier assembly
- 3.9 active fire curtain barrier assembly with smoke rating
- 3.10 addressable system
- 3.11 aerial appliance
- 3.12 air inlet
- 3.13 air release
- 3.14 air transfer grille
- 3.15 alarm receiving centre
- 3.16 alarm zone
- 3.17 alert signal
- 3.18 alternative escape routes
- alternative exit
- 3.19 analogue detector
- 3.20 ancillary area, non-residential
- 3.21 ancillary area, residential
- anti-panic lighting
- arrester
- arrester element
- ASET
- 3.22 aspirating smoke detection system
- 3.23 atrium (plural: atria)
- 3.24 atrium base
- 3.25 authority having jurisdiction (AHJ)
- auto-ignition
- 3.26 automatic door release mechanism
- automatic fire detection and fire alarm system
- 3.27 automatic fire signal
- automatic release mechanism
- 3.28 automatic water fire suppression system (AWFSS)
- available safe egress time
- 3.29 available safe escape time (ASET)
- 3.30 balcony approach, residential
- 3.31 basement
- 3.32 box, inlet
- 3.33 box, outlet
- 3.34 branch
- branchpipe
- 3.35 bridgehead
- 3.36 building safety
- 3.37 building system
- 3.38 cavity
- 3.39 cavity barrier
- 3.40 ceiling jet
- 3.41 ceiling void
- central commercial alarm centre
- central fire alarm station
- central monitoring station
- 3.42 channelling screen
- 3.43 chimney effect
- 3.44 clean agent
- 3.45 coincidence detection
- 3.46 combustible (deprecated)
- combustion products
- common balcony escape
- 3.47 common corridor (residential)
- 3.48 compartment floor
- 3.49 compartment wall
- compartment, fire
- 3.50 compartmentation
- 3.51 competence
- 3.52 competence assessment
- 3.53 competence framework
- 3.54 competence management
- 3.55 competent person
- concealed space
- 3.56 control and indicating equipment
- control equipment
- 3.57 controlled fire load
- 3.58 corridor access (residential)
- damper, fire
- damper, smoke
- 3.59 dead end
- 3.60 deck approach (residential)
- defend in place (deprecated)
- 3.61 depressurization
- 3.62 depth
- 3.63 design concentration
- design density
- 3.64 design fire
- 3.65 detection time
- 3.66 detection zone
- detector
- direct distance
- 3.67 discharge rate
- distance of travel
- 3.68 door assembly
- 3.69 doorset
- 3.70 drencher system
- 3.71 dry fire main
- dry riser
- dry rising main
- 3.72 dutyholder
- 3.73 dwelling
- 3.74 dwelling of origin
- “E” criterion
- 3.75 effective clear width, doorway
- 3.76 effective clear width, escape route
- 3.77 effective clear width, stair
- 3.78 element of structure
- 3.79 emergency escape lighting
- emergency exit
- 3.80 emergency lighting
- 3.81 emergency voice communication system
- 3.82 enclosed stairway
- 3.83 escape
- 3.84 escape, common balcony
- escape lighting
- 3.85 escape route
- 3.86 escape route sign
- 3.87 escape route, protected
- 3.88 escape stairway
- 3.89 escape stairway, external
- 3.90 escape time
- 3.91 evacuation alert system for use by the fire and rescue service
- 3.92 evacuation exit floor
- evacuation lift
- 3.93 evacuation plan
- 3.94 evacuation signal
- 3.95 evacuation time
- 3.96 evacuation, phased
- 3.97 evacuation, progressive horizontal
- 3.98 evacuation, simultaneous
- 3.99 evidence
- 3.100 exit
- 3.101 exit, final
- 3.102 exit, alternative
- 3.103 exit, fire
- 3.104 exit, storey
- 3.105 experience
- external escape stairway
- extinguishant
- 3.106 extinguisher, fire
- 3.107 extinguisher, portable
- 3.108 extinguishing medium
- falling main
- 3.109 false alarm
- final exit
- 3.110 final exit level
- 3.111 fire alarm
- fire alarm control and indicating equipment
- 3.112 fire alarm device
- 3.113 fire alarm device, manual
- fire alarm manual call point
- 3.114 fire alarm signal
- fire alarm system
- 3.115 fire and rescue service
- 3.116 fire and rescue service access level
- 3.117 fire appliance
- 3.118 fire audit
- fire barrier
- 3.119 fire blanket
- fire brigade
- 3.120 fire compartment
- 3.121 fire control centre
- 3.122 fire curtain
- 3.123 fire damper
- 3.124 fire damper, reduced leakage
- 3.125 fire detection and fire alarm system
- 3.126 fire detection system
- 3.127 fire detection zone
- 3.128 fire detector
- fire door
- 3.129 fire drill
- 3.130 fire equipment sign
- fire exit
- fire extinguisher
- 3.131 fire extinguishment
- fire‑fighting lift
- 3.132 fire hazard
- fire hose reel
- 3.133 fire hydrant
- fire integrity
- fire lift switch
- 3.134 fire load
- 3.135 fire load density
- 3.136 fire main
- fire marshal
- 3.137 fire modelling
- 3.138 fire performance
- 3.139 fire policy
- 3.140 fire precautions
- 3.141 fire prevention measure
- 3.142 fire procedure
- 3.143 fire protection measure
- 3.144 fire protection system
- fire rated (deprecated)
- 3.145 fire resistance
- fire-resistant
- 3.146 fire-resisting
- 3.147 fire-resisting door
- 3.148 fire-resisting door assembly
- 3.149 fire-resisting door, self-closing
- 3.150 fire-resisting doorset
- 3.151 fire retardant, adj.
- 3.152 fire retardant, noun
- 3.153 fire risk
- 3.154 fire risk assessment
- 3.155 fire safety engineering
- 3.156 fire safety information
- 3.157 fire safety management
- 3.158 fire safety manager
- 3.159 fire safety manual
- 3.160 fire safety objective
- fire safety policy
- 3.161 fire safety sign
- 3.162 fire safety strategy
- 3.163 fire scenario
- 3.164 fire separation
- 3.165 fire-separating element
- 3.166 fire shutter
- 3.167 fire stability
- fire stop
- 3.168 fire stopping
- fire strategy
- 3.169 fire suppression
- 3.170 fire test
- 3.171 fire warden
- fire/smoke damper
- firefighters lift
- 3.172 firefighters lift switch
- 3.173 firefighter’s switch
- 3.174 firefighting access
- firefighting lift switch
- 3.175 firefighting lobby
- 3.176 firefighting shaft
- 3.177 firefighting stairway
- fireman’s switch
- firemen’s lift
- fireproof (deprecated)
- 3.178 flame arrester
- 3.179 flame arrester element
- 3.180 flame retardance
- 3.181 flame retardant
- 3.182 flame retardant treatment
- flame trap
- 3.183 flaming
- 3.184 flaming ignition
- 3.185 flaming time
- 3.186 flammable
- 3.187 flammable gas
- 3.188 flammable limit, lower (LFL)
- 3.189 flammable limit, upper (UFL)
- 3.190 flammable limits
- 3.191 flammable liquid
- 3.192 flammable material
- 3.193 flammable mist
- 3.194 flammable vapour
- 3.195 flashover
- 3.196 flat indicator sign
- 3.197 floor space factor
- 3.198 floor void
- 3.199 foam inlet
- 3.200 fuel load
- 3.201 fuel load density
- 3.202 fully developed fire
- 3.203 fusible link
- 3.204 gallery
- 3.205 habitable room
- 3.206 heat of combustion
- 3.207 heat release rate
- 3.208 high risk task area lighting
- 3.209 hose reel
- 3.210 hot work
- hydrant
- “I” criterion
- 3.211 ignition
- 3.212 ignition source
- 3.213 ignition, pilot
- 3.214 ignition, self-
- 3.215 ignition, spontaneous
- 3.216 inclusive design
- 3.217 inert, verb
- inlet box
- 3.218 inlet connection
- 3.219 inner room
- insulation
- 3.220 integrity
- 3.221 integrity criterion “E”
- 3.222 intumescent
- 3.223 intumescent seal
- 3.224 landing valve
- LFL
- 3.225 lift, evacuation
- 3.226 lift, fire-fighting
- 3.227 lift, firefighters
- 3.228 lift, firemen’s
- lighting, emergency
- 3.229 limited combustibility (deprecated)
- 3.230 loadbearing capacity
- 3.231 loadbearing criterion “R”
- 3.232 local application system
- lower flammable limit
- 3.233 maisonette
- 3.234 mall
- 3.235 mall exit
- management of fire safety
- 3.236 management of fire safety information
- 3.237 mandatory sign
- 3.238 manual call point
- 3.239 material of limited combustibility (deprecated)
- 3.240 means of escape
- mechanical smoke control
- mechanical smoke ventilation system
- 3.241 mezzanine
- 3.242 mixed-use building
- 3.243 mixed-use residential building
- 3.244 monitor
- 3.245 multi-sensor detector
- 3.246 natural smoke and heat exhaust ventilator
- natural smoke control
- natural smoke ventilation system
- 3.247 natural ventilation
- 3.248 non-combustible (deprecated)
- non-residential ancillary area
- 3.249 notional boundary
- 3.250 occupant capacity
- 3.251 open area lighting
- 3.252 open spatial planning
- 3.253 open-plan layout
- 3.254 open-sided car park
- outlet box
- 3.255 permit to work
- 3.256 personal emergency evacuation plan (PEEP)
- 3.257 personal protection water mist system
- 3.258 person-centred fire risk assessment (PCFRA)
- phased evacuation
- pilot ignition
- 3.259 place of relative safety
- 3.260 place of special fire hazard
- 3.261 place of ultimate safety
- portable extinguisher
- powered smoke and heat exhaust ventilator
- 3.262 pre-alarm warning
- 3.263 pre-charged fire main
- 3.264 pre-movement time
- 3.265 pressure differential system
- 3.266 pressurization
- 3.267 pressurized space
- pre-travel time
- 3.268 products of combustion
- progressive horizontal evacuation
- 3.269 protected
- protected area
- 3.270 protected circuit
- 3.271 protected shaft
- 3.272 protected stairway
- “R” criterion
- refuge
- 3.273 relevant boundary
- 3.274 required safe escape time (RSET)
- residential ancillary area
- residential balcony approach
- 3.275 ring system fire main
- RSET
- safe to stay
- 3.276 safety way guidance system
- 3.277 seat of fire
- 3.278 self-closing device
- self-closing fire-resisting door
- self-contained smoke alarm
- separating element
- shaft, protected
- simultaneous evacuation
- 3.279 smoke alarm
- 3.280 smoke clearance system
- 3.281 smoke control
- 3.282 smoke control fan
- 3.283 smoke control damper
- 3.284 smoke control, mechanical
- 3.285 smoke control, natural
- 3.286 smoke control zone
- 3.287 smoke curtain
- smoke damper
- smoke exhaust fan
- 3.288 smoke extraction
- 3.289 smoke outlet, breakable
- 3.290 smoke reservoir
- 3.291 smoke shaft
- smoke vent
- 3.292 smoke ventilation system, mechanical
- 3.293 smoke ventilation system, natural
- smoke ventilator, automatic powered
- smoke zone
- 3.294 smoke-retarding construction
- 3.295 smouldering
- spontaneous ignition
- spread of flame
- 3.296 sprinkler (automatic)
- 3.297 sprinkler design density
- 3.298 sprinkler flow switch
- 3.299 sprinkler installation
- 3.300 sprinkler system
- stability
- 3.301 stack effect
- 3.302 staff alarm
- 3.303 staged fire alarm
- stairway, accommodation
- stairway, enclosed
- stairway, escape
- stairway, firefighting
- stairway, protected
- 3.304 stay put strategy
- stay safe
- 3.305 storey
- storey exit
- 3.306 subcompartment
- 3.307 surface spread of flame
- 3.308 temperature control system
- 3.309 temperature-time curve, standardized
- 3.310 temporary waiting space
- 3.311 tenability limit
- 3.312 thermal insulation
- 3.313 thermal insulation criterion “I”
- time-temperature curve, standardized
- 3.314 travel distance, actual
- 3.315 travel distance, direct
- 3.316 travel time
- 3.317 two-stage alarm
- UFL
- 3.318 unexposed side
- 3.319 unprotected area
- upper flammable limit
- 3.320 vapour cloud explosion (VCE)
- 3.321 voice alarm system
- 3.322 water mist system
- 3.323 water spray system
- way guidance system
- 3.324 wet fire main
- wet riser
- wet rising main
- width, doorway
- width, escape route
- width, stair
- zone
- 3.325 zone indicator [Go to Page]