Abstract
Schedule delays commonly occur in construction projects and often result in delay claims. Several studies have proposed different schedule delay analysis methodologies. By using as-planned and as-built schedules, most previous studies have concentrated on calculating the impact of identified delay events on project duration but have neglected to connect impact calculation from detailed delay evidence in their analyses. Lost productivity, which is a primary cause of schedule delays, entails the completion of work at less than the planned rate of production; it is usually experienced by contractors. To solve analysis problem of schedule delays associated with lost productivity, this study proposes a delay analysis method (the LOPE method) that integrates a lost productivity calculation approach and a well-known schedule delay analysis method, the collapsed as-built method. As demonstrated through a simplified case study, the proposed method is beneficial for calculating the impacts of schedule delays caused by lost productivity.
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Yang, JB., Huang, KM., Lee, CH. et al. Incorporating lost productivity calculation into delay analysis for construction projects. KSCE J Civ Eng 18, 380–388 (2014). https://doi.org/10.1007/s12205-014-0128-8
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DOI: https://doi.org/10.1007/s12205-014-0128-8