Shubandrio, Fuad Dellany
(2022)
Assessing The Interdependency Between Critical Infrastructures During Seismic Incidents A Case Study For Padang City.
Project Report.
Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Awam.
(Submitted)
Abstract
Our modern society is becoming increasingly reliant on the Critical Infrastructure (CIs) functionality. The disruption towards the infrastructure due to seismic incidents could result in significant damage and functionality loss, and together with the existing interdependency relationship with other infrastructures, complicate the issue further due to cascading effects. This research study was conducted in Padang city, one of the most disaster-prone area in Indonesia. Based on the literature review, a suitable method from past researcher is utilised for interdependency study between critical infrastructures which is yet to be done in the study area. There are two approaches used for data collection which is by surveying existing CIs using Google Earth and by an online questionnaire survey via Google Form. Based on the qualitative survey, a functionality rating method is done to obtain the level of damage occurred to the investigated CIs. From the result, damage level for telecommunication tower and substation are “High” while for water supply and buildings is “Moderate”, and for roads is “Low”. Following that, a seismic risk analysis was conducted to assess the interdependency between investigated critical infrastructures where dependency rating between critical infrastructures is assigned. The result shows that the dependency rating between road and hospital is “5-Essential”, while between road and telecommunication tower is “3-Moderate. Lastly, the dependency rating of “2-Minor” is obtained between road and fire station, road and police station, and road and substation. Eventually, the results from this study could be used in design, restoration and disaster management planning for safety assessment of critical infrastructures, thus wider community resilience is improved which supports the Sustainable Development Goals (SDGs) 11: Sustainable cities and communities particularly in reducing disasters and people in vulnerable situation.
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