Determination of Optimal Resource Scheduling Modelling for Housing Project in Nigeria
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Housing stock in Nigeria and other developing countries is not only limited in supply but also expensive to construct. This situation, as observers generally agree, is not unconnected with the economic and political dynamics of these developing countries. Other reasons advanced for this trend in the building sub-sector is the inability of practitioners to readily assess the consequential cost effects of resource allocation decisions. This work is, therefore aimed at developing an optimal resource allocation and utilization model that is capable of predicting the utilization factor and time overrun of project resource allocation decisions. In order to realize the objective of the study, six heuristic models such as minimum slack (ms), shortest processing time(spt), random activity selection(ras), greatest resource demand(grd), greatest demand utilization(gru) and total resource usage(tru) were tried in the resource allocation process of constrained resource situation. The study revealed that the total resource usage heuristic gave the best resource optimality by generating the schedule with the highest resource utilization and minimum time overrun. Its application in the building sub-sector would assist in reducing the production cost of housing stock.