Schedule risk management method of construction project based on critical chain

Author(s):  
Liu Hong-bo
Jurnal Teknik ◽  
2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Zamroni Zamroni ◽  
Almufid Almufid ◽  
Hesty Erviani Zulaecha ◽  
Ratna Maya Sari

Project risk is an uncertain event or condition in the future, and if it occurs it will have a positive or negative impact on the achievement of project goals / objectives, including scope, schedule, cost and quality. One of the main causes of project failure is poor project risk management. There have been many studies that state that project risk management is an important factor in the success of a project. In previous studies, many results indicate that risk management must be carried out for every construction project in order to avoid losses on cost, quality and project completion schedule. Risk management planning is the first step and determines the direction of a series of other risk management activities. This process determines how to approach and plan activities in risk management will be carried out in the projectKeywords: project risk, risk management, construction project(Risiko proyek adalah  suatu peristiwa yang tidak pasti atau kondisi di masa depan, dan jika terjadi maka akan berdampak positif atau negatif terhadap pencapaian tujuan/sasaran proyek, termasuk ruang lingkup, jadwal, biaya dan kualitas. Salah satu penyebab utama kegagalan suatu proyek adalah buruknya manajemen risiko proyek. Sudah banyak penelitian yang menyatakan bahwa manajemen risiko proyek merupakan salah satu faktor penting kesuksesan suatu proyek. Pada penelitian sebelumnya banyak hasil yang menunjukkan bahwa manajemen risiko harus dilakukan bagi setiap proyek konstruksi agar dapat menghindari kerugian atas biaya, mutu dan  jadwal penyelesaian proyek. Perencanaan manajemen risiko merupakan langkah pertama dan yang menentukan arah dari rangkaian kegiatan manajemen risiko lainnya. Proses ini menentukan bagaimana pendekatan dan perencanaan kegiatan-kegiatan dalam manajemen risiko akan dilakukan di dalam proyekKata Kunci: Risiko proyek, manajemen resiko, proyek konstruksi)


Author(s):  
Jose Finocchio Junior ◽  
Marcelo Ramos Martins

The present study discusses the adequacy of the Critical Chain Project Management Method (CCPM) — also known as the Critical Chain Method — for scheduling projects involving shutdowns on oil platforms, as such projects involve decision-making processes under risk conditions. The CCPM is based on the Theory of Constraints and aims at providing more precise and more clearly focused control instruments than those traditionally used in the Critical Path Method (CPM). The CCPM also indicates the best moments to act and where and how the action should be directed. The hypothesis underlying the research is that the CCPM portrays, more adequately than the CPM, the uncertainty that exists in a platform shutdown. This characteristic also makes it possible to draw up a schedule that is both more realistic and more challenging, as it addresses the goal of causing less interruption of production. On the basis of this hypothesis, the two main questions that oriented the entire investigation were: 1) Is the CCPM suitable for scheduling the shutdown of an offshore oil platform and, 2) What advantages might it have over the traditional methods in use? To answer these questions the authors reviewed the existing bibliography on the topic and made direct on-site observations during an actual shutdown. In addition, interviews were held with a number of specialists in the area using qualitative approaches, namely, semi-structured interviews, focus groups, and action research.


2021 ◽  
Vol 13 (4) ◽  
pp. 2034
Author(s):  
Chien-Liang Lin ◽  
Bey-Kun Chen

Risks inevitably exist in all stages of a project. In a construction project, which is highly dynamic and complex, risk factors affect the expected achievement rates of the three main performance goals, namely schedule, cost, and quality. A comprehensive risk management procedure requires three crucial steps: risk confirmation, analysis, and treatment. Risk analysis is the core of risk management. Through structural equation modeling, this study developed a risk analysis model that takes a different perspective and considered the occurrence probability of risk events and the extent to which these events affect a project. The contractor dimension was discovered to exert the strongest influence on an overall project, followed by the subcontractor and design dimensions. This paper proposes a novel construction project risk analysis model, which considers the entire project. The proposed model can be used as a reference for risk managers to make decisions about project risks, so as to achieve the ultimate goal of saving resources and the sustainable operation of the construction project.


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