(i)  Spans are propped for a minimum of 21 days

(ii)  Superimposed dead and live loading are not imposed on the floor for a period of two months. If loading is imposed before this then a system of reduced propping is not be
installed to transfer and eliminate such loading.

(iii)  Short Term Loading.
Imposed short duration loading of up to two weeks at a time such that all floor remains unloaded (from such loads) for the majority of it’s design life.

(iv)  Medium term loading.
Imposed loading for up to a duration up to one year at a time, such that the floor remains unloaded or lightly loading for a good percentage of it’s life. Alternatively, a floor may be loaded to a much lesser degree for short duration but more often.

(v)   Long term loading.
The maximum imposed loading is applied more or less permanently. For the purposes of these tables the superimposed load has been applied for 50 years.