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Fire safety is essential for
Duplex
Small house
Multi-storied buildings
None of the above
Multi-storied buildings
Fire safety is globally critical for multi-storied buildings due to high population density, complex vertical evacuation paths, and the chimney effect where fire spreads rapidly between floors. These structures require integrated active and passive fire protection systems as mandated by the National Building Code (NBC) of India.
Fire safety is globally critical for multi-storied buildings due to high population density, complex vertical evacuation paths, and the chimney effect where fire spreads rapidly between floors. These structures require integrated active and passive fire protection systems as mandated by the National Building Code (NBC) of India.
TevacтАЛ<TfireтАЛ тАФ The fundamental safety requirement where evacuation time must be less than the time to untenable conditions.
RfтАЛ=VDтАЛ тАФ Where RfтАЛ is risk factor, D is density of occupancy, and V is vertical exit capacity.
In high-rise structures, the 'chimney effect' facilitates rapid vertical smoke movement, making manual egress difficult. Fire safety works through active systems (sprinklers, hydrants, smoke detection) that initiate suppression, and passive measures (fire-rated materials, fire doors, stairwells) that contain the blaze to the floor of origin for a defined time, allowing safe evacuation.
High-rise buildings (>15m) require specialized fire detection and alarm systems (FDAS).
Staircase pressurization is mandatory to keep evacuation routes smoke-free.
NBC of India defines strict guidelines for fire-rated doors and compartmentalization.
Dry/Wet risers are essential in buildings exceeding specific heights for hydrant water supply.
Reduces loss of life and property damage.
Ensures compliance with legal/insurance requirements.
Maintains structural stability during thermal stress.
High initial installation and maintenance costs.
Requires regular professional audits and testing.
Residential multi-storied apartments.
Commercial office complexes.
Hospitals and educational institutions.
Under IE Rules and the National Building Code, multi-storied buildings are classified under high-risk categories.
Small houses (Option B) require fire safety awareness but often do not fall under mandatory commercial fire-safety certification unless they house specific commercial activities.
C is correct тАФ Multi-storied buildings are categorized as high-risk structures necessitating advanced, integrated fire safety protocols to manage evacuation and smoke control effectively.
In competitive exams, always link 'Fire Safety' questions in power systems to the 'National Building Code (NBC) of India', which dictates the electrical load requirements for emergency pumps and lighting systems.