African Design Magazine ADM #39 April 2018 | Page 28

TECHNOLOGY visualisation of the construction progress planners make use of 2D drawings and integrate it with their corresponding component schedules in GIS software [3]. New advancements in GIS software help planners in depicting real world components. Reference [4] explored the uses of GIS for CPM scheduling. Using 3D models and CPM schedules as inputs, linkage between the two has been made possible in GIS to develop a 4D model. Reference [5] suggested that GIS acts as a platform in which both spatial and non-spatial data, that is, drawing components and their activity schedules, are integrated for successful execution of the project by providing good visualisation. Advanced visualisation techniques such as 4D (3D geospatial + time 28 AFRICAN DESIGN MAGAZINE © | APRIL 2018 component) and virtual reality should be utilised for more effective evaluation and communication of construction project schedule information. Therefore, it becomes easy to find errors in schedules, and small activities can also be completed without any delay. This 4D GIS view provides better visualisation progress of a construction project and makes the planning sequence and execution easier to understand and allows a planner to visualise the construction process in the way it would actually be built [3]. Comprehensibility in the project schedule will decrease the potential errors and conflicts in the schedules during the construction. A building plan with the corresponding themes related to elevation as a shape file using GIS software was connected with the schedule for construction