Calamity: A Journal of Disaster Technology and Engineering
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Revitalizing flood-prone areas through socio-environmental strategies: A qualitative approach to urban flood management
Get PDFBackground: The Ciliwung River is one of the most important rivers in Tatar Pasundan, especially because it passes through the capital city of DKI Jakarta and often causes annual floods in its downstream areas. The length of this river reaches almost 120 km and passes through several areas, including Bogor Regency, Bogor City, Depok City, and DKI Jakarta Province. High rainfall is one of the factors that often causes flooding in areas around rivers. Methods: This research aims to analyze the management of flood disasters that occur due to the overflow of the Ciliwung River. The analysis carried out by the author used qualitative methods with a literature review. Findings: The results obtained from the literature review of several journals, namely flood management on the Ciliwung River, cannot still be said to be completely successful. This is because several factors trigger floods that have not yet been resolved and appropriate solutions are needed for flood-prone areas so that they can be revitalized so that they can provide direct benefits to the community. Conclusion: The study highlights the persistent challenges in managing flood disasters caused by the overflow of the Ciliwung River. Despite various efforts, flood management in the Ciliwung River Basin has not been entirely successful. Several unresolved factors continue to trigger flooding, indicating the need for more effective and sustainable solutions. The revitalization of flood-prone areas is essential to mitigate the impact and provide direct benefits to the affected communities. Novelty/Originality of the Article: Unlike previous studies that focus on specific technical solutions, this research highlights the need for holistic revitalization of flood-prone areas, considering socio-environmental factors to enhance community resilience and sustainable flood mitigation strategies
Landslide characteristics triggering evacuations: A comparative study of community responses and disaster management approaches
Get PDFBackground: Landslides are one of the most dangerous geological disasters in the world due to the movement of earth material caused by gravity. Landslides also threaten the environment, property, and human life risks in high-risk areas. This study compares how landslide characteristics impact evacuation planning in Indonesia and various other countries. Methods: Utilizing a Systematic Literature Review (SLR) of studies published between 2019 and 2024, this research examines landslide characteristics that prompt community evacuation responses, such as landslide triggers, physical conditions, and the number of people affected. Findings: Findings reveal that while Indonesia and other high-risk countries face substantial landslide risks, challenges remain in enhancing disaster preparedness, including evacuation planning to minimize casualties. Physical characteristics and the preparedness of early warning systems are crucial in shaping community responses to landslides. This case study illustrates how a combination of steep slopes over 40 degrees, heavy rainfall intensity of more than 200 mm in one week, weak soil textures, and dense vegetation can trigger devastating landslides. However, landslides triggered by seismic activity result in significantly higher fatalities, and special attention is needed in areas prone to landslides and earthquakes, as happened in Nepal (highland and mountainous climate). In China (subtropic region), landslides are primarily triggered by moisture-saturated soils, which are vulnerable to ground motion, particularly during prolonged rainfall. In Indonesia as tropical region, landslides triggering evacuation predominantly occur in areas with highly erodible and unstable soils, exacerbated by high rainfall. Conclusion: Evacuation planning must be more adaptive and supported by GIS technology to identify high-risk areas. Globally, evacuation success relies on infrastructure, community awareness, and disaster preparedness. Novelty/Originality of thid article: This study highlights the importance of crisis management strategies tailored to the specific landslide characteristics of each region, as well as the crucial role of community involvement and technology in ensuring effective evacuations
Community preparedness for flood disasters: The role of knowledge and attitudinal factors in disaster-prone areas
No full textBackground: This research was conducted in Lebakharjo Village, Malang Regency. Malang Regency is prone to flooding due to high rainfall, with Lebakharjo Village being one of the affected areas. In July 2023, the village experienced another flood, damaging 119 houses and cutting off access to the village, leaving the village isolated. The purpose of this study was to assess the level of community preparedness in Lebakharjo Village for flood disasters. Methods: This study used a quantitative descriptive method with multiple correlation tests and multiple linear regression. Data collection was carried out by distributing questionnaires to respondents selected from flood-prone areas in Lebakharjo Village door to door. Findings: Data tabulation showed that 66 people, or 67.35%, were in the medium preparedness category, while 32 people, or 32.65%, were in the high preparedness category. This indicates the need for disaster preparedness training or evacuation simulations to improve community preparedness for floods. Knowledge and attitude significantly influence community preparedness in Lebakharjo Village for floods. The combined effect of Knowledge (X1) and Attitude (X2) variables on Community Preparedness (Y) is 28.5%, while the remaining 71.5% is influenced by other variables not covered in this study. Conclusion: This study highlights that increasing knowledge and attitudes through targeted interventions can improve flood preparedness in the Lebakharjo Village community. Novelty/Originality of this article: This study uniquely quantifies the impact of knowledge and attitudes on flood preparedness in the village, highlighting the need for targeted community training to improve preparedness
Probability analysis of occupational accidents in housing construction projects using the hazop method: A risk-based approach to safety performance improvement
No full textBackground: In construction work, occupational accidents remain one of the most critical issues in the construction industry, particularly in housing development projects that involve various high-risk activities. An occupational accident is an undesired and unexpected event that occurs in the workplace, resulting in worker injuries, equipment damage, workflow disruption, or even fatalities. Methods: This study aims to analyze the probability of work accidents using the Hazard and Operability Study (HAZOP) approach to identify potential hazards and operational failures in each stage of construction work at the XYZ housing project. The method is applied to systematically review various risk scenarios based on field observations, interviews, and available safety documentation. Findings: The HAZOP analysis successfully identified six critical hazards in the XYZ housing development project, including material-related accidents, falls from heights, heavy material intrusion, and respiratory disorders from dust, primarily caused by worker negligence, lack of proper procedures, and inadequate use of PPE. Conclusion: The implementation of integrated preventive measures such as the provision of complete PPE, structured SOP development, continuous training, and strict supervision has proven to be an effective strategy in mitigating occupational accident risks in construction environments. Novelty/Originality of this article: This study presents a systematic HAZOP-based approach combined with the 5S methodology and enhanced SOP enforcement as a practical and replicable model for risk evaluation in residential construction projects
Systemic risk of tender failures in government projects: An FMEA-based analysis of price deviation impacts on infrastructure preparedness
Get PDFBackground: Infrastructure preparedness during disasters depends greatly on the successful and timely execution of government construction projects, particularly multi-story buildings that function as critical public facilities. However, in practice, many of these projects experience tender failures due to significant price deviations from the Owner’s Estimate (HPS), either through underpricing or overpricing. These failures often result in delays or cancellations, disrupting the availability of essential infrastructure in emergency scenarios. Methods: This study applies the Failure Mode and Effect Analysis (FMEA) method to systematically identify, assess, and prioritize the underlying causes of tender failure in a government-funded multi-story building project. Data collection involved document analysis, expert validation, and structured questionnaires focusing on three key parameters: severity, occurrence, and detection of each failure mode. Findings: The results reveal two major categories of failure factors: issues related to documentation and problems in cost estimation. Documentation issues include unclear specifications and lack of expert personnel due to limited preparation time, while cost estimation problems involve insufficient market analysis, unrealistic pricing, and scheduling errors. The highest Risk Priority Numbers (RPNs) were found in the indicators “failure in offering strategy” (RPN = 22.944), “failure in prequalification” (RPN = 22.874), and “lack of expert personnel due to limited time availability” (RPN = 22.032), all of which are considered critical and indicative of systemic vulnerability in the tendering process. These critical failures highlight the potential risk they pose to infrastructure readiness, especially in disaster-prone contexts. Conclusion: Tender failures caused by price deviation pose a systemic risk to infrastructure preparedness. Reforming public procurement systems with improved risk identification and mitigation strategies—especially in document and cost estimation processes—is essential for supporting disaster-resilient infrastructure development. Novelty/Originality of this article: This study is one of the first to link FMEA-based tender risk assessment with disaster preparedness outcomes, offering a novel contribution to both construction management and resilience planning
Analysis of the impact of forest fires: Pre-wedding incident of Mount Bromo and its disaster risk
Get PDFBackground: Forests play a crucial role in sustaining the environment, economy, and society by acting as carbon sinks that help mitigate climate change and maintain ecosystem balance. However, forest fires remain a growing global concern, including Indonesia. One significant fire occurred in Bromo Tengger Semeru National Park (TNBTS) in 2023, sparked by human negligence during a pre-wedding photoshoot. The fire damaged 1,487 hectares of land and threatened local biodiversity and ecosystems. TNBTS is home to over 1,000 plant species and holds cultural significance for the Tengger Community, who depend on its resources for their livelihoods. The research examines the environmental, economic, and social impacts of fire, using a quantitative research approach. Mentods: The methodology uses quantitative analysis using Landsat 8 imagery to assess fire severity. The Delta Normalized Burn Ratio (dNBR) is used to assess fire damage, while vegetation density is analyzed using the Normalized Difference Vegetation Index (NDVI) to ensure data reliability. Findings: The fire caused significant environmental damage. Economically, the tourism sector was severely affected, with the park’s closure for 13 days leading to an 80% drop in hotel occupancy, resulting in an estimated loss of IDR 89.76 billion. Socially, the Tengger people suffered, as the fire damaged sacred sites and disrupted their cultural practices. Also, it increases the stress and anxiety of society that depends on tourism and agriculture. Public concern about the incident underscored the importance of responsible behavior in national parks, this can be seen by Google Trend. Conclusion: Although signs of recovery are evident, the long-term ecological and economic impacts require continued assessment and mitigation efforts to ensure the sustainable future of TNBTS. Novelty/Originality of this article: This article offers a novel analysis of the Bromo Tengger Semeru National Park fire by integrating remote sensing data with environmental, economic, and social impacts, including the unique use of Google Trends to measure public concern
The relationship between fatigue and workplace accidents in the construction sector: A statistical study on contributing factors and risk implications
No full textBackground: Occupational accidents remain a persistent issue in the construction sector, often associated with various risk factors including worker fatigue. This study aims to analyze the effect of fatigue on the incidence of work accidents in construction projects. Previous studies have shown that fatigue can impair concentration and reaction time, leading to increased accident risks. Methods: This research employed a quantitative descriptive method with data collected through structured questionnaires from 34 construction workers. The data were analyzed using regression analysis. Additionally, instrument testing included validity tests, reliability tests, and linearity tests to ensure the accuracy and consistency of the data. Findings: The results demonstrated that worker fatigue has a significant effect on the occurrence of work accidents (p < 0.05). Factors such as long working hours, insufficient sleep, and heavy workload contributed to fatigue, which in turn increased accident potential. These results align with existing theoretical frameworks linking physical exhaustion to unsafe behaviors and reduced awareness. Conclusion: Fatigue significantly influences the frequency of workplace accidents in construction environments. Effective management of work schedules and adequate rest is essential to minimize these risks. Novelty/Originality of this article: This study offers a statistically validated perspective on the influence of fatigue on construction-related accidents, supported by rigorous instrument testing to ensure reliability and precision of findings, which contributes new empirical evidence to occupational safety literature
Analysis of human resources readiness in facing natural disasters study case: Lapindo Sidoarjo mud disaster
Get PDFThe Lapindo Mud Disaster is a phenomenon that occurs due to the overflow of mudflows emit from the malfunction of exploration by company, named PT. Minarak Lapindo Jaya, that occurred in Sidoarjo, East Java, Indonesia. So far, the efforts of the government and Lapindo have shown no success in stopping the flow or managing the social and environmental impacts of the overflowing mud. Until now, no less than 60.000 residents in the Tanggulangin, Porong, and Jabon sub- districts have been uprooted from the roots of their homeland. Sidoarjo, which is located between Surabaya and Gempol, is the main of East Java’s Transportation, which has an impact on economic losses in the macro and micro sectors. This study uses a descriptive research strategy, conduct by questioner to the refuges and analyze with Multiple Linear Regression Analysis. To determined which factors are significantly affect their livelihoods. But this is not necessarily felt by all residents, there are also those who are greatly disadvantaged because the main livelihood activities in the village/residence environment are disrupted
Indonesia's economic and environmental resilience in the face of climate change: Analysis and implementation strategies
Get PDFBackgorund: Climate change is a significant threat to Indonesia, an archipelago that is vulnerable to the negative impacts of this phenomenon. This study aims to identify the effects of climate change in Indonesia and evaluate mitigation and adaptation strategies needed to improve economic and environmental resilience. Based on climate change projections, increases in surface temperature, changes in rainfall patterns, sea level rise, and changes in water salinity have negative impacts on various sectors such as agriculture, fisheries, infrastructure, and public health. Method: The research method includes secondary data analysis from various official sources and a study of relevant literature, with an analytical descriptive approach to identify critical challenges and necessary strategies. Findings: The results show that limited fiscal space and the need for budgetary reform are significant challenges that need to be addressed through the introduction of a carbon tax, budgetary incentives for green technologies, and the removal of fossil fuel subsidies. In addition, mobilization of non-budget funding sources is needed to support green projects, with strategies such as the development of public-private partnerships, access to international funds, and technical capacity building. Conclusion: In conclusion, implementation of the recommended mitigation and adaptation strategies can increase Indonesia's resilience to climate change, reduce its risks and negative impacts, and ensure the sustainability of economic and social development. Novelty/Originality of this study: This research provides practical guidance for policymakers to develop effective strategies to deal with climate chang
Potential forest fire during the long dry season Province Riau & Jambi
Get PDFBackground: Air pollution is a very serious problem nowadays. Air pollution can be caused by the problem of haze from forest fires that occurred in 2015 & 2019 in Province Riau & Jambi. The worst conditions occurred in the period 1997-1998 and in 2006-2007. In 2015 & 2019 the haze conditions returned to the 1997 period. Province Riau & Jambi contributed to the largest hotspots in forest fires compared to North Sumatra or Kalimantan. The increase in the haze that has continued for the past three months is very worrying because the haze is getting worse and thicker, making the visibility of the affected areas even smaller. The purpose of this research to know the capabilities being run the Riau provincial government has been in control of who impressed off guard because repeated continuously, and whether factors constr ai nts and defienc e i nflu enci ng th e c apab i li ti es of th e Province Riau & Jambi government. Method: Descriptive research is research that aims to describe, describe and analyze existing events and aims to obtain information about the impact of the haze in Province Riau & Jambi with existing theories so that it can be used in mitigation in different places. Findings: The urgency in this study to see why the Province Riau & Jambi government off guard so persistent, because the capabilities of the system and the process will involve considering the fire that occurred not once or twice only. Conclusion: The main causes of forest and peatland fires in Riau are human activities, such as the use of fire for land clearing and agricultural practices, combined with natural conditions like dry land and extreme hot weather. These fires significantly impact human health, social interactions, and the environment, necessitating critical awareness among farmers to act responsibly and monitor fire spread to prevent future losses. Novelty/Originality of this article: By analyzing the inhibiting factors and definitions that influence local government capacity, this study opens new insights into the complexity of environmental disaster management involving interactions between human activities, natural conditions, and institutional capacity