Research project on building hospitalABSTRACT The main objective of this research was to conduct a technical detailed study on the implementation of a four stored building in Nyacheki Hospital at Nyamache Sub-County due to the capacity of existing hospital based on the number of patients received on Hospital. It is the reason why this research has been conducted to solve that problem. Different methods have been used for well conducting this study such as analytical method for designing different structural members like slab, beam, column, stairs and ramp, different software’s has been used like ArchCAD 23, for providing architectural drawing of the Building such including all plan views, sections, elevation and perspectives, Manual calculation have been used for the structural design of beam, stair and ramp by computing beam detailing and reinforcements