Applies To
	Product(s):	STAAD.Pro
	Version(s):	All
	Environment:	N/A
	Area:	STAAD.Pro Analysis Solution
	Subarea:	Seismic Analysis
	Original Author:	SANJIB DAS, Global Technical Support Group

IS 1893(Part 1):2016 added in Cl 7.2.2 that buildings and portions shall be designed and constructed to resist at least the effects of design lateral force(Ah) in horizontal direction. The following procedure is to considered for the generation of coefficient of vertical seismic acceleration spectrum, Av.

Please note that (Sa/g) value is the highest one 2.5. Thus there is no requirement of having minimum base shear criteria imposed over here.