sir
i am starting building construction of ground + 2 floors 48*26( 1248 sft) & hight will be 12’ of each floor, at Kharagpur West Bengal, soil of here is rocky soil. I don’t want to put any pillar middle of construction as I want to use as parking area. need to know the following 1) What will be footing depth & width 2) How many piller require & what will be the size
3) How many beam require & what will be the size
3) What type of steel rod usage in piller & beam & roof 4) rule for plinth beam
5) What roof thickness required