INGENIEUR
Landslide Vulnerability
Index and Risk Analysis
for Critical Infrastructure
(Part 2)
By Yusrin-Faiz W, Rohaizi M. J,
Zuhairi A. H., G. Mohd-Khairolden,
Zakaria M.
Construction Research Institute of
Malaysia Che Hassandi A
Public Works Department
This article is based on a project
funded by Construction Industry
Development Board (CIDB) Malaysia
to assist the construction industry in
enhancing the resiliency of critical
infrastructures in facing disaster.
An appropriate methodology and
strategy for assessing landslide
vulnerability and determining a
risk index for critical infrastructure
was proposed. The project aims at
assessing landslide vulnerability and
risk assessment at specific sites;
municipality and regional scales
in Malaysia. Part 1 of this article
appeared in Vol 79 (July-September
2019) of The Ingenieur. RESULTS
6
56
VOL
2019
VOL 80
55 OCTOBER-DECEMBER
JUNE 2013
Khamarrul A. R
Universiti Teknologi Malaysia
Final Indicators and Sub-Indicators for Landslide
Vulnerability Assessment
The final vulnerability value for each Critical
Infrastructure (CI) was calculated using Equation
1 (ranges between 0.1 and 1.0) was classified
into different classes of vulnerability index. Only
five classes of hazard classification were used.
The class names for hazards and vulnerability
were modified using the common scale of very low
to very high to introduce convenience for locals
when assessing risks within their geographical
jurisdiction.
The other reasons for using a qualitative risk
assessment via a risk assessment matrix are:
• To serve as a useful role in landslide
risk management in providing a relative
comparison of risks for different sites
and prioritization of follow-up actions in
addressing the risk portfolio posed by a
large number of sites (Fell, 2000).
• To create a Risk index which is relatively
simple and straightforward and is therefore
ideal for non-experts to judge based on