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, steel angles, timber battens, blockwork, wall ties, insulation, and brickwork. PO2 depicts a cladding system with steel rails, internal and external steel sheets, insulation, and seals. PO3 illustrates a curtain wall section with a steel post, cladding rails, internal steel sheets, insulation, and seals.