Till now, there is no consensus on what data should be collected in a survey. Though many surveys have been
conducted on different building categories, the range of the survey vary greatly. Some only reported the mass of
various combustible items present and the corresponding floor area, while some also reported on the window size
and composition of the fire load. Besides, surface area of fire load [e.g.33, 34] or percentage of floor area covered
by furniture [e.g.15] was included in a few surveys. Since the design fire is affected by many factors, it is better to
get more information about the combustion on a practical basis. It is suggested that the following basic information
should be surveyed: