While Construction of Residential building,Estimation of quantity and billing is part of Project Planning as well as find out Building cost. Estimation of material/quantity based on G+? Building. Bar Bending Schedule is used for cutting length of bar, low wastage of bars. BBS helps to manage Bars requirement as per activities. Building design by using Revit and 3D Max. Anyone interested and having work of any Residential Project, kindly contact me.