Abstract
Engineer-to-order (ETO) construction companies are characterized by an off-site and on-site production. Often, budget deviations for installation works on-site are identified in a late stage when improvement actions cannot be applied anymore. Consequently, installation tasks are often affected by significant delays and/or reworks. This work proposes a “real-time” capable approach for planning and monitoring in construction and a corresponding information technology (IT) framework. The core is represented by the so-called “pitching” concept known from lean management, which breaks down large job orders into smaller controllable parts. It can be considered as the main enabler for gathering management information in real-time and to identify problems and their causes on time. The most noticeable consequence lies in smaller jobs and a software-aided punctual control that allows a better rescheduling capability and, thus reduced, delays. A case study is provided, showing how the model was applied and validated in an ETO façade supplier company.
Highlights
Make-to-order (MTO) production with a successive installation on-site is common in the plant building and construction industry
A high variability of workflow can often be caused by changing customer requirements, which means that components have to be replaced during execution inducing delays on-site
We describe the methodology and the supporting information technology (IT) framework used to apply the approach in practice
Summary
Make-to-order (MTO) production with a successive installation on-site is common in the plant building and construction industry. A high variability of workflow can often be caused by changing customer requirements, which means that components have to be replaced during execution inducing delays on-site Another specific challenge that the construction industry has to deal with is the necessity to set up, within every project, an effective collaboration between the participants [8]. The schedule updating process is not incorporated in a sophisticated way, which means that if changes or delays appear, they are propagated to following tasks by shifting starting dates into the future Based on these deficits and knowledge gaps the research objective in this work is to develop a lean based approach to plan and monitor ETO construction projects in real-time, in order to identify (budget) deviations and undertake the appropriate improvement actions. The practical application and the achieved results in an industrial case study of façade construction are presented
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