PREDICTING THE LOST LABOUR VALUE IN CONSTRUCTION PROJECTS WITH LINEAR MODELS

Joel Oboshior, Joseph Eiziele Ahianba, Samuel Egwunatum

Abstract


 In spite of the extensive literatures on lost labour estimation methods in construction project circle, some of the methods in use continue to raise spurious doubt and consistency questions in terms of giving repeatable value when applied to different construction scenarios. Clients, constructors and consultants are left to their fate of selecting a method for evaluation of their claims on the basis of situation specifics occasioned by this limitation. This study responded by investigating selected case studies of construction projects in Heavy and Civil Engineering Projects by quantifying their lost labour values on the basis of leonard and Moselhi's framework, arising from the statistical propensity which the data tend to exhibit, linear models were developed to predict the lost labour value of construction work items on the differential iteration of baseline and actual output of labour in terms of ManHour. This gave a consistent and holistic approach to the estimation of lost labour value in construction projects without regards to circumstances of application.

Keywords: Estimated/planned ManHour, Expended ManHour, ManHour earned, Earned value.


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