This document presents a detailed solution to a structural analysis and design assignment. It includes calculations for reaction forces, bending moments, and shear forces in a beam structure under various loads. The solution further involves selecting appropriate steel sections, checking for deflection and stress criteria, and verifying the adequacy of the chosen section. For concrete design, the assignment covers slab thickness determination, load calculations, moment calculations, shear capacity checks, and reinforcement detailing for both positive and negative moments. Finally, the design of a central T-beam is addressed, including flexural reinforcement calculations, deflection checks, shear reinforcement, and detailing considerations. The solutions provided offer a comprehensive guide to structural design principles and practices.