Skin reinforcement detail per ACI 318M-05 for deep beams where effective depth d > 900mm. We’ve included the longitudinal bar distribution for both side faces and the specific schedules for D10 to D16 re-bar. – Spacing e ≤ d/6 (max 300mm) – D14 spacers @ 600mm and D10 @ 1000mm hooks – Typical section for depths up to 1500mm