Page 68 - UL_Report On_Part 1

59 IITGN-UL/Façade 60 IITGN-UL/Façade

Event 14: Time: 19:18:26: (30.06 min)

Fire propagates to the first floor façade level through the leap frog effect and set ACP on fire. Fire could not penetrate inside the compartment. Polyester
Event 15: Time: 19:21:30: (33.13 min)curtains on the first floor melt due to heat but do not show visible flames.

Event 15: Time: 19:21:30: (33.13 min)
Failure of
structural silicone
sealant Fire extinguishing begins.
In brief, the timeline of events is presented in Table 8.

Failure of pressure tapes

Image 18: Failure of pressure tapes and silicone sealant leading glass to fail in intact form

Image 19: ACP boards initiating secondary fire at ground level