To test the system built, it was subjected to varying landuse planning scenarios based on standards. These standard, criteria or constrains are usually expressed in term of space which according to Obateru (2003), are land (space) specifications employed to guide the use and development of urban land use systems. The SDSS was developed in consonance with the space standards for physical development including roads, buildings, structures and erections, open spaces and objects of historical interests; sewage, drainage and sewage disposal, etc. Another important aspect of the SDSS focused on site selection which entails sequential processes initiated with the conception of idea by a client to develop a site for a specific purpose, broad gathering of information and ends with specific detailed design drawings (Oduwaye and Falade 1998).