b. You are required to place six sight-hole/penetrations for a small high-rise building. Mark the positions with respect to the grid and/or columns on a sketch/diagram. List checks you would apply to confirm the location and layout of your grid corners; the positioning of the building; and the shape of the building. (20 marks) 0.Peg Building U C1 C2 C3 B1 B2 B3 O A1 A2 A3 0.Peg 0.Peg