2016
EMSS 2016 Proceeding
Forecasting construction duration of watermain upgrade project by using discrete event simulation
Authors: D. Kim, Y. Zong, Y. Mohamed, S. AbouRizk
Abstract
Practitioners in the construction industry often rely on their experience or historical data of their organizations to estimate construction duration. However, variations in site conditions are not usually taken into consideration. This paper presents a Discrete Event Simulation (DES) model that can help decision-makers accurately estimate durations of underground water-main construction projects and review key schedule milestones in detail. A case study is conducted on an actual project of a municipality in Canada. Different site conditions and the municipalityâ??s design criteria are taken into consideration to accurately reflect real world conditions. Chainage, a distance measuring system commonly used to design and locate linear infrastructure, is used as a key attribute to control the overall model and provide status of model. In addition, compaction test results that may affect the schedule at certain probability are modeled as well to measure the possible delays caused by such failures. keywords: discrete event simulation, construction scheduling, project management, construction management
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