Technical Booklet E Fire Safety·Page 98·Table 4.2
Minimum periods of fire resistance for car parks (Table 4.2 continued)
This table specifies the minimum fire resistance periods in minutes required for structural elements and building components in car parks, differentiated by basement depth and building height, and between open-sided and enclosed car parks.
Purpose group of building: 7(b) car park for light vehicles
(i) Open sided car park:
Basement storey including floor over: Not applicable
Ground or upper storey - Depth (m) of basement More than 10: Not applicable; Not more than 10: Not applicable
Height (m) of top floor above ground in building or separated part of building - More than 5 not more than 5: 15*$(5); More not more than 5: 15*$(5); More than 18 not more than 18: 15*$(5); More than 30: Not applicable
(ii) Any other car park:
Basement storey including floor over - Depth (m) of basement More than 10: 90; Not more than 10: 60
Ground or upper storey - More not more than 5: 30*; More than 5 not more than 18: 60; More than 18 not more than 30: 90; More than 30: 120#
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