A COMBINED METHOD OF COLLAPSED AS - BUILT AND IMPACT AS PLANNED DELAY ANALYSIS METHODS FOR CONSTRUCTION PROJECTS.

Document Type : Original Article

Authors

1 PhD Candidate at Minia University

2 Professor of Material Science. Faculty of Engineering, Minia University

3 Associate Professor of Construction Engineering and Project Management. Faculty of Engineering, at Mataria ,Helwan

4 Assistant Professor of Construction Project Management. Faculty of Engineering, Minia University

Abstract

Construction projects frequently have delays, hence many delay analysis methods have been developed to assess these delays. However, each approach has advantages, disadvantages, and requirements. Finding a single approach that works for all project participants in all situations is challenging. The nature, size, and complexity of the project determine the accuracy and time requirements of each approach. Collapsed as - built (CAB) delay analysis method is an analytical method with high accuracy. However, it is time-consuming, which is the major disadvantage influencing decision of time extension’s evaluation, and thus adversely affects the disbursement of payments and the progress of work eventually. This research introduces an efficient, combined method, aimed at streamlining the delay analysis process by minimizing both effort and time investments. This approach mandates a synthesis of as-planned and as-built schedules, along with any modifications, and pertinent liability documents that enumerate critical delay incidents. Application of this combined method within a case study substantiates its efficacy for expeditious delay analysis. Findings generated through this combined method are precise, methodical, and offer a dynamic analysis. They afford a lucid, traceable analysis process that aligns seamlessly with the as-built schedule.

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