This document discusses the design and analysis of a circular overhead water tank using STAAD Pro software. It provides details of the design such as the tank capacity of 3.5 lakh liters, material grade of M30 concrete, and dimensions of the cylindrical walls, dome, and other structural elements. The document summarizes the results of the STAAD analysis, including deflections, bending, and shear, as well as earthquake design data and footing details. It concludes that STAAD Pro allows for a more efficient and practical design that considers various conditions compared to manual calculations.