Turkey has 50,000+ wedding halls hosting 500-2000 guests. Decorative drapes, tulle and LED banners ignite in 30 seconds and sweep the ceiling, like the 1988 Bradford stadium fire. NFPA 701 defines flame tests for vertically hung fabrics.
NFPA 701 Test Method
- Small scale: 150x400 mm sample
- Large scale: 1200x2750 mm sample
- Flame: 12 s contact, 11 kW/m2
- Pass: Afterflame <2 s
- Drip: Fragments must not burn
FR Fabric Types
- Inherent FR: Trevira CS, Nomex
- FR finish: Lost on spray-wash
- Cotton FR: Proban permanent
- Polyester FR: Most common
- Certificate: UL Greenguard label
Sprinkler Light Hazard
- Density: 4.1 L/min/m2
- Area: 140 m2 protected
- K-factor: K=80 quick response
- Concealed: Decorative recessed
- Temperature: 68-74 C bulb
Egress and Capacity
- Occupant load: 1.4 m2/person standing
- Egress width: 7 mm/person
- Doors: Minimum 2 level
- Illumination: Emergency 1 lux
- Hardware: Panic bar on stage exits
Turkish Incidents
- Bursa Village 2019: Nylon drape - 9 dead
- Istanbul Sisli 2017: Confetti + LED short
- Kasikci Izmir: 1200 people 2 doors
- Rhode Island 2003: Station Club - 100 dead
- Ikitelli 2015: Wedding hall case
Ballrooms with SprinkCalc
SprinkCalc sizes banquet hall light hazard 4.1 L/min/m2, sprinkler K=80 quick response, NFPA 701 FR drape check and egress width.
Download SprinkCalc on the App Store
Sources & Further Reading
NFPA 701, NFPA 13, NFPA 101, IBC 803, BYKHY Annex-7. NFPA 701 Flame Propagation of Textiles.