Technical Booklet E Fire Safety·Page 100·Table 4.2
Fire Resistance Periods for Car Parks (Table 4.2 cont'd)
Specifies minimum fire resistance periods in minutes for structural elements and building components in car parks, differentiated by basement depth and height of building above ground.
Purpose group of building: 7(b) car park for light vehicles
(i) open sided car park: Basement (More than 10m): Not applicable; (Not more than 10m): Not applicable; Ground/upper storey (Not more than 5m height): 15*$(8); (More than 5 not more than 11m): 15*$(8); (More than 11 not more than 18m): 15*$(8); (More than 18 not more than 30m): 15*$(8); (More than 30m): Not applicable
(ii) any other car park: Basement (More than 10m): 90; (Not more than 10m): 60; Ground/upper storey (Not more than 5m height): 30*; (More than 5 not more than 11m): 60; (More than 11 not more than 18m): 60; (More than 18 not more than 30m): 90; (More than 30m): 120#
Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet E - Fire Safety.pdf