Reinforced concrete staircase structural details for a multi-level commercial building, incl. plans, sections & steel reinforcement tables.. Covers bar sizes from Ø3/8″ up to Ø1″, concrete strength f’c=210 kg/cm2, & live loads of 500kg/m2. Detalle de escalera de concreto armado con planos, cortes y cuadros de refuerzo.