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Abstract

Resettlement programmes in riverbank areas remain an alternative solution to overcoming the problems of urban flood-ing, the addressing of which can also lead to reducing slums. Such programmes have many weaknesses, but even so, several countries continue to implement them. This paper will elaborate: 1) an understanding that reductions in flood risk and en-hancements to environmental quality along riverbanks can be realised, without the need for resettlement, as a result of co- operation between local communities, governments and businesses; 2) the socio-economic benefits of improving the riverbank environment in Tridi Kampong, Malang City, Indonesia. This study employed qualitative and quantitative methods. The results of quantitative analysis and of interviews and direct observation indicate that collective action by the community has the greatest influence on the construction of that community’s commitment to improving the environment. Environmental improvements have resulted in significant socio-economic benefits by making the kampong a domestic and international tourism destination and drawing increased numbers of visitors to the region.
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Authors and Affiliations

Ida A.M. Wahyuni
1
ORCID: ORCID
I M. Weni
1
ORCID: ORCID
Tommy Hariyanto
1
ORCID: ORCID
Laksni Sedyowati
1
ORCID: ORCID

  1. University of Merdeka Malang, Postgraduate Program, Jl. Terusan Raya Dieng No. 62-64, 65146, Malang, Indonesia
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Abstract

Horizontal Directional Drilling (HDD) is a very complex technology. Although the installation of pipelines by means of this technology is often successful, examples of unsuccessful projects are also known. Due to the complexity of the technology, with the interaction of multiple processes, risks related to uncertainties in these processes play important role. These risks are related to the variability of underground strata, changing natural environment, changes in economic environment, as well as limitations of the equipment, technical disruptions and human factors. This paper describes the risk evaluation results of the FMEA and a Pareto– Lorenz analysis for 14 external risk factors (8 natural or environmental risk factors as well as 6 economic risk factors) in HDD technology. In the proposed approach not only the probability of the external risk factor occurrence was considered, but also its consequences and the ability to detect faults, which were not plainly separated and taken into account in the literature so far. Such an approach has shown the relationship between occurrence, severity and detection for the analysed external failures. Moreover, 40 detection possibilities for the external risks in HDD technology were identified. The calculated risk priority numbers enabled ranking HDD external failures and identified the most critical risks for which the suggested detection options were unsatisfactory and insufficient, and therefore other types of risk response actions need to be explored.
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Authors and Affiliations

Maria Krechowicz
1
ORCID: ORCID
Wacław Gierulski
1
ORCID: ORCID
Stephen Loneragan
2
Henk Kruse
3

  1. Kielce University of Technology, Faculty of Management and Computer Modelling, Poland
  2. HDD Engineering, Australia
  3. Deltares, the Netherlands

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