We are building a 40x60 we are in Mississippi and the left side has 5 12x12 stalls we are using panels and gates that way we can open it up and make them 12x24 when calving the right side has a 12x15 washrack, 12x10 clipping area, 12x10 display area, 15x12 feed room, and a 12x8 supply room. we...