Bar Bending Schedule is complete details of Steel works to be going on at site or has done at site and define by Number of bars, Shapes, Dia, Length, Weight and where it's placed (Top or Bottom ) etc. It's tabular base calculation to find out quantity of steel. How much steel is needed for work and after work has done total quantity of steel and each Dia quantity (Bunch) now these days the total Quantity calculation of steel has done on Excel sheet. It's very essential for civil engineers who work on site or as a Quantity Surveyor to know how to calculate steel Quantity and Preparation of BBS and many software's also available to help to calculate accurate quantity of steel like , MS Excel etc.
