This document contains 3 building details labeled PO1, PO2, and PO3. PO1 shows a wall section with 12.5mm plasterboard attached to steel angles, a universal column, insulation, and brick cladding. PO2 depicts a wall with metal cladding, an internal liner, insulation, and an external metal sheet. PO3 illustrates a curtain wall section with a steel post, internal liner, insulation, and angled flashing.