SN EN 50289-4-11 : 2002

1 Scope
2 Normative references
3 Definitions, symbols and abbreviations
4 Test environment
5 Test apparatus
   5.1 Air-inlet chamber
   5.2 Air-inlet shutter
   5.3 Fire-test chamber
   5.4 Gas burner
   5.5 Removable top cover
   5.6 Exhaust transition
   5.7 Exhaust duct
   5.8 Exhaust duct velocity measurement system
   5.9 Smoke measurement system
   5.10 Smoke release rate measurement system
   5.11 Exhaust duct damper
   5.12 Exhaust blower
   5.13 Fire-test chamber airflow system
   5.14 Ladder cable tray
   5.15 Fire-test chamber temperature measurement
        instruments
   5.16 Data acquisition equipment
   5.17 Heat release rate measurement system
6 Test specimens
7 Calibration and maintenance of test equipment
   7.1 Maintenance
   7.2 Frequency of calibration
   7.3 Airflow
        7.3.1 Air leakage test
        7.3.2 Supplemental air leakage test
        7.3.3 Velocity traverse test
   7.4 Smoke measurement system calibration test
   7.5 Fuel
   7.6 Reinforced inorganic cement board test
        7.6.1 Temperature preheat
        7.6.2 Temperature history test
   7.7 Standard insulated conductor test
   7.8 Procedures for calibration of heat release rate
        measurement equipment
        7.8.1 Analyser calibration
        7.8.2 Delay time
        7.8.3 Calibration test
8 Test specimen preparation
   8.1 Specimen conditioning
   8.2 Determination of specimen diameter
   8.3 Number of cable lengths
   8.4 Cable mounting
9 Test procedures
   9.1 Flame propagation distance and smoke measurement
        test procedure
   9.2 Heat release test procedure
   9.3 Time-to-ignition test procedure
   9.4 Flaming droplets/particles test procedure
10 Post-test clean-up and inspection
   10.1 Smoke measurement system post-test procedure
   10.2 Heat release rate post-test procedure
11 Calculations
   11.1 Optical density of smoke
   11.2 Smoke release rate calculation
   11.3 Exhaust duct velocity measurement calculations
   11.4 Exhaust duct volumetric flow rate calculations
   11.5 Heat release rate calculations
        11.5.1 Peak heat release rate
        11.5.2 Total heat released
   11.6 Time-to-ignition calculations
   11.7 Flaming droplets/particles calculations
12 Report
Annex A (normative)
Annex B (informative)
Annex C (informative)
Figures
Tables

Describes a horizontal integrated fire test method for determining flame-propagation distance, optical smoke density, total heat release, heat release rate, time to ignition and flaming droplets/particles for communication cables.