This research analyzed the effect of plan shapes on cost of multi-storey Institutional buildings in Nigeria. Data were collected from drawings and priced bill of quantities for 28 projects of existing institutional buildings in Kwara State. In order to determine the plan shape with the most effect, a descriptive method of analysis (bar chart) was used. It was found out that, in all the plan types ("A" Circular-shaped, "B" U-shaped, "C" L-shaped, and "D" Rectangular shaped building) observed for each of the building elements (Substructure, Frame work, Block work, Roof work, Services, Finishes) including the overall building cost, plan shape Type "A" (circular shaped buildings) were the most expensive with an average total cost of N225,959,924.75 Plan shape type "D"(the Rectangular shaped buildings) have the lowest average total cost of ₦ 87,76I,791.27.It was concluded that plan Type "A" (circular shaped buildings) were the most expensive with highest average cost, plan Type "B" and "C" (U and L shaped) were at the average while building Type "D" (Rectangular shaped building) has the lowest average cost. The study recommends that clients that might be considering embarking on the multi-storey institutional building development should bear in mind the cost effectiveness of each plan shape in order to avoid adverse cost consequences on the project.
- Plan shape, Building cost, Institutional building, Multi-storey building
e-ISSN: 2319-183X, p-ISSN: 2319-1821 Source Type:
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