General risks for tunnelling projects: an overview

Tunnels are indispensable when installing new infrastructure as well as when enhancing the quality of existing urban living due to their unique characteristics and potential applications. Over the past few decades, there has been a significant increase in the building of tunnels, world-wide. Tunnell...

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Main Authors: Lee, Yong Siang, Mohamed Ghazali, Farid, Zainun, 3. Noor Yasmin, Ali, Roslinda
Format: Article
Language:English
Published: American Institute of Physics 2017
Subjects:
Online Access:http://eprints.uthm.edu.my/4258/1/AJ%202017%20%28591%29.pdf
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author Lee, Yong Siang
Mohamed Ghazali, Farid
Zainun, 3. Noor Yasmin
Ali, Roslinda
author_facet Lee, Yong Siang
Mohamed Ghazali, Farid
Zainun, 3. Noor Yasmin
Ali, Roslinda
author_sort Lee, Yong Siang
collection UTHM
description Tunnels are indispensable when installing new infrastructure as well as when enhancing the quality of existing urban living due to their unique characteristics and potential applications. Over the past few decades, there has been a significant increase in the building of tunnels, world-wide. Tunnelling projects are complex endeavors, and risk assessment for tunnelling projects is likewise a complex process. Risk events are often interrelated. Occurrence of a technical risk usually carries cost and schedule consequences. Schedule risks typically impact cost escalation and project overhead. One must carefully consider the likelihood of a risk’s occurrence and its impact in the context of a specific set of project conditions and circumstances. A project’s goals, organization, and environment impacts in the context of a specific set of project conditions and circumstances. Some projects are primarily schedule driven; other projects are primarily cost or quality driven. Whether a specific risk event is perceived fundamentally as a cost risk or a schedule risk is governed by the project-specific context. Many researchers have pointed out the significance of recognition and control of the complexity, and risks of tunnelling projects. Although all general information on a project such as estimated duration, estimated cost, and stakeholders can be obtained, it is still quite difficult to accurately understand, predict and control the overall situation and development trends of the project, leading to the risks of tunnelling projects. This paper reviews all the key risks for tunnelling projects from several case studies that have been carried out by other researchers. These risks have been identified and reviewed in this paper. As a result, the current risk management plan in tunnelling projects can be enhanced by including all these reviewed risks as key information.
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spelling uthm.eprints-42582021-12-01T08:18:02Z http://eprints.uthm.edu.my/4258/ General risks for tunnelling projects: an overview Lee, Yong Siang Mohamed Ghazali, Farid Zainun, 3. Noor Yasmin Ali, Roslinda TA800-820 Tunneling. Tunnels Tunnels are indispensable when installing new infrastructure as well as when enhancing the quality of existing urban living due to their unique characteristics and potential applications. Over the past few decades, there has been a significant increase in the building of tunnels, world-wide. Tunnelling projects are complex endeavors, and risk assessment for tunnelling projects is likewise a complex process. Risk events are often interrelated. Occurrence of a technical risk usually carries cost and schedule consequences. Schedule risks typically impact cost escalation and project overhead. One must carefully consider the likelihood of a risk’s occurrence and its impact in the context of a specific set of project conditions and circumstances. A project’s goals, organization, and environment impacts in the context of a specific set of project conditions and circumstances. Some projects are primarily schedule driven; other projects are primarily cost or quality driven. Whether a specific risk event is perceived fundamentally as a cost risk or a schedule risk is governed by the project-specific context. Many researchers have pointed out the significance of recognition and control of the complexity, and risks of tunnelling projects. Although all general information on a project such as estimated duration, estimated cost, and stakeholders can be obtained, it is still quite difficult to accurately understand, predict and control the overall situation and development trends of the project, leading to the risks of tunnelling projects. This paper reviews all the key risks for tunnelling projects from several case studies that have been carried out by other researchers. These risks have been identified and reviewed in this paper. As a result, the current risk management plan in tunnelling projects can be enhanced by including all these reviewed risks as key information. American Institute of Physics 2017 Article PeerReviewed text en http://eprints.uthm.edu.my/4258/1/AJ%202017%20%28591%29.pdf Lee, Yong Siang and Mohamed Ghazali, Farid and Zainun, 3. Noor Yasmin and Ali, Roslinda (2017) General risks for tunnelling projects: an overview. AIP Conference Proceedings, 182 (1). pp. 1-8. ISSN 1551-7616 https://dx.doi.org/10.1063/1.5005730
spellingShingle TA800-820 Tunneling. Tunnels
Lee, Yong Siang
Mohamed Ghazali, Farid
Zainun, 3. Noor Yasmin
Ali, Roslinda
General risks for tunnelling projects: an overview
title General risks for tunnelling projects: an overview
title_full General risks for tunnelling projects: an overview
title_fullStr General risks for tunnelling projects: an overview
title_full_unstemmed General risks for tunnelling projects: an overview
title_short General risks for tunnelling projects: an overview
title_sort general risks for tunnelling projects an overview
topic TA800-820 Tunneling. Tunnels
url http://eprints.uthm.edu.my/4258/1/AJ%202017%20%28591%29.pdf
work_keys_str_mv AT leeyongsiang generalrisksfortunnellingprojectsanoverview
AT mohamedghazalifarid generalrisksfortunnellingprojectsanoverview
AT zainun3nooryasmin generalrisksfortunnellingprojectsanoverview
AT aliroslinda generalrisksfortunnellingprojectsanoverview