• Title/Summary/Keyword: Risks

Search Result 5,007, Processing Time 0.03 seconds

RISK MANAGEMENT IN CIVIL CONSTRUCTION PROJECTS - FROM COST ESTIMATING PERSPECTIVE

  • Ashley Jaensch;Jian Zuo;Nicholas Chileshe
    • International conference on construction engineering and project management
    • /
    • 2011.02a
    • /
    • pp.162-167
    • /
    • 2011
  • Construction projects are full of risks. This is particularly the case in civil construction projects that are often featured with large scale, complexity and involving a large number of participating parties. The eventuation of risks typically results in extended project durations leading to an increase in the total project budget. The consequence can be amplified considering the significant impacts of civil construction projects on the society, from economical, environmental and social perspectives. This research investigates the significance of risks within civil construction projects and approaches to deal with risks. Semi-structured interviews were undertaken with local industry practitioners in South Australia on this matter. It is found that the industry is fairly aware of risks associated with civil construction projects and subsequently has procedures in place to attempt to minimize the impacts of these risks on the project outcomes. The interview results also indicate that there is limited utilization of software for the risk management purpose from the cost estimation perspective.

  • PDF

Roles of Malaysian Online Newspapers in the Construction of Public Opinion on Rare Earth Risks

  • Hasan, Nik Norma Nik;Dauda, Sharafa
    • Asian Journal for Public Opinion Research
    • /
    • v.8 no.4
    • /
    • pp.432-452
    • /
    • 2020
  • This study explored the representation of risks from the controversial Lynas rare earth refining as a risk event by five Malaysian online mainstream and alternative newspapers using qualitative content analysis. The aim is to uncover the role of the news media in the social amplification and attenuation of risks within the literature evidence as those roles are still uncertain. Content analysis is used to explore the online newspapers' roles guided by the Social Amplification of Risk Framework (SARF). The representations typified environmental, financial, health, occupational, property, radioactive, and technological risks and established connections between four risk types (environmental, financial, radioactive, and health risks). Radioactive risk was repeatedly associated with other risks, suggesting that the volume and information flow focused on radioactive risk as a key ingredient for amplification. This connection shows that the nature of the relationship between risks is multidimensional, contradicting the unidirectional type found in previous studies. Alternative online newspapers amplified and attenuated more risks, thus, providing more diverse coverage than mainstream sources. Consequently, this study provides evidence that risk representation from rare earth refining in a digital news environment is multidimensional and intensified or weakened in a multi-layered pattern. The stakeholders are engaged in a contestation by positioning their narratives to oppose or support their interests, which are amplified or attenuated by the online newspapers as social amplification stations.

Cancer Risks among Welders and Occasional Welders in a National Population-Based Cohort Study: Canadian Census Health and Environmental Cohort

  • MacLeod, Jill S.;Harris, M. Anne;Tjepkema, Michael;Peters, Paul A.;Demers, Paul A.
    • Safety and Health at Work
    • /
    • v.8 no.3
    • /
    • pp.258-266
    • /
    • 2017
  • Background: Welders are exposed to many known and suspected carcinogens. An excess lung cancer risk among welders is well established, but whether this is attributable to welding fumes is unclear. Excess risks of other cancers have been suggested, but not established. We investigated welding cancer risks in the population-based Canadian Census Health and Environmental Cohort. Methods: Among 1.1 million male workers, 12,845 welders were identified using Standard Occupational Classification codes and followed through retrospective linkage of 1991 Canadian Long Form Census and Canadian Cancer Registry (1992-2010) records. Hazard ratios (HRs) were calculated using Cox proportional hazards models based on estimated risks of lung cancer, mesothelioma, and nasal, brain, stomach, kidney, and bladder cancers, and ocular melanoma. Lung cancer histological subtypes and risks by industry group and for occasional welders were examined. Some analyses restricted comparisons to blue-collar workers to minimize effects of potential confounders. Results: Among welders, elevated risks were observed for lung cancer [HR: 1.16, 95% confidence interval (CI): 1.03-1.31], mesothelioma (HR: 1.78, 95% CI: 1.01-3.18), bladder cancer (HR: 1.40, 95% CI: 1.15-1.70), and kidney cancer (HR: 1.30, 95% CI: 1.01-1.67). When restricted to blue-collar workers, lung cancer and mesothelioma risks were attenuated, while bladder and kidney cancer risks increased. Conclusion: Excess risks of lung cancer and mesothelioma may be partly attributable to factors including smoking and asbestos. Welding-specific exposures may increase bladder and kidney cancer risks, and particular sources of exposure should be investigated. Studies that are able to disentangle welding effects from smoking and asbestos exposure are needed.

The efficacy of mobile application use on recall of surgical risks in nasal bone fracture reduction surgery

  • Kim, Choong Hyeon;Cheon, Ji Seon;Choi, Woo Young;Son, Kyung Min
    • Archives of Craniofacial Surgery
    • /
    • v.19 no.1
    • /
    • pp.41-47
    • /
    • 2018
  • Background: The number of surgical risks recalled by a patient after surgery can be used as a parameter for assessing how well the patient has understood the informed consent process. No study has investigated the usefulness of a self-developed mobile application in the traditional informed consent process in patients with a nasal bone fracture. This study aimed to investigate whether delivery of information, such as surgical risks, through a mobile application is more effective than delivery of information through only verbal means and a paper. Methods: This prospective, randomized study included 60 patients with a nasal bone fracture. The experimental group (n=30) received preoperative explanation with the traditional informed consent process in addition to a mobile application, while the control group (n=30) received preoperative explanation with only the traditional informed consent process. Four weeks after surgery, the number of recalled surgical risks was compared for analysis. The following six surgical risks were explained: pain, bleeding, nasal deformity, numbness, nasal obstruction, and nasal cartilage necrosis. Results: The mean number of recalled surgical risks among all patients was $1.58{\pm}0.56$. The most frequently recalled surgical risk was nasal deformity in both groups. The mean number of recalled surgical risks was $1.72{\pm}0.52$ in the experimental group and $1.49{\pm}0.57$ in the control group. There was a significant association between mobile application use and the mean number of recalled surgical risks (p=0.047). Age, sex, and the level of education were not significantly associated with the mean number of recalled surgical risks. Conclusion: This study found that a mobile application could contribute to the efficient delivery of information during the informed consent process. With further improvement, it could be used in other plastic surgeries and other surgeries, and such an application can potentially be used for explaining risks as well as delivering other types of information.

Weight Evaluation of Risk Factors for Early Construction Stage (초기 건설공사 리스크인자의 중요도 산정)

  • Hwang Ji-Sun;Lee Chan-Sik
    • Korean Journal of Construction Engineering and Management
    • /
    • v.5 no.2 s.18
    • /
    • pp.115-122
    • /
    • 2004
  • This study identifies various risk factors associated with activities of early construction stage, then establishes the Risk Breakdown Structure(RBS) by classifying the risks into the three groups; Common risks, risks for Earth works, and risks for Foundation works. The Common risks are identified and classified by considering various aspects of the early construction stage such as financial, political, constructional aspects, etc. The risks for Earth works and Foundation works are identified in detail by surveying technical specifications, relevant claim cases and interviewing with experts. These risks are classified based on the Wok Breakdown Structure(WBS) of the early construction stage. The WBS presented in this study classifies the works of early construction stage into four categories; excavation, sheeting works, foundation works, footing works. This study suggests a risk analysis method using fuzzy theory for construction projects. Construction risks are generally evaluated as vague linguistic value by subjective decision making. Fuzzy theory is a proper method to quantify vague conditions of construction activities. Therefore, this study utilizes fuzzy theory to analyse construction risks. The weight of risks is estimated by reflecting the interrelationship among risk factors from absolute weights obtained by fuzzy measure into the relative weights by Analytical Hierarchy Process(AHP). The interrelationship is estimated by Sugeno-fuzzy measure.

Psychosocial Risks Assessment in Cryopreservation Laboratories

  • Fernandes, Ana;Figueiredo, Margarida;Ribeiro, Jorge;Neves, Jose;Vicente, Henrique
    • Safety and Health at Work
    • /
    • v.11 no.4
    • /
    • pp.431-442
    • /
    • 2020
  • Background: Psychosocial risks are increasingly a type of risk analyzed in organizations beyond chemical, physical, and biological risks. To this type of risk, a greater attention has been given following the update of ISO 9001: 2015, more precisely the requirement 7.1.4 for the process operation environment. The update of this normative reference was intended to approximate OHSAS 18001: 2007 reference updated in 2018 with the publication of ISO 45001. Thus, the organizations are increasingly committed to achieving and demonstrating good occupational health and safety performance. Methods: The aim of this study was to characterize the psychosocial risks in a cryopreservation laboratory and to develop a predictive model for psychosocial risk management. The methodology followed to collect the information was the inquiry by questionnaire that was applied to a sample comprising 200 employees. Results: The results show that most of the respondents are aware of the psychosocial risks, identifying interpersonal relationships and emotional feelings as the main factors that lead to this type of risks. Furthermore, terms such as lack of resources, working hours, lab equipment, stress, and precariousness show strong correlation with psychosocial risks. The model presented in this study, based on artificial neural networks, exhibited good performance in the prediction of the psychosocial risks. Conclusion: This work presents the development of an intelligent system that allows identifying the weaknesses of the organization and contributing to the enhancement of the psychosocial risks management.

The Effect of Risks and Strategic Recognition on the Degree of IT Outsourcing (IS 아웃소싱의 위험과 아웃소싱의 정도에 관한 연구)

  • 문용은;박유진
    • The Journal of Information Systems
    • /
    • v.11 no.1
    • /
    • pp.1-28
    • /
    • 2002
  • Today, IT outsourcing has become a very important management strategy of implementing information systems in organizations. This paper investigates the risks and strategic recognition as a key factors effecting on the degree of outsourcing, Specifically the risks of outsourcing and its four components-control risk, economical risk, technical risk, relational risk-are examined to be a negative effect on the degree of outsourcing. And strategic recognition about outsourcing is examined to be a mediator factor between the risks and the degree of outsourcing. To empirically test these relationships, data are gathered from senior IT managers in 62 corporations. Results of this study show that the degree of outsourcing is strongly influenced by control risk, economical risk, relational risk. But technical risk does not influence on the degree of outsourcing. And strategic recognition about outsourcing is found that is mediator concern with the risks and the degree of outsourcing. The results indicate to provide a good framework to minimize the risks for IT outsourcing success.

  • PDF

A Basic Study on the Introduction of Professional Indemnity Insurance for Construction Project Managers

  • Cho, Young-Jun
    • Journal of the Korea Institute of Building Construction
    • /
    • v.13 no.2
    • /
    • pp.102-111
    • /
    • 2013
  • During the administration of a construction project, various types of participants are engaged in the project. From the design phase to the maintenance phase, these participants may confront many risks. To avoid these risks, participants should utilize an insurance company or a bond company. The types of risks and liability that a construction manager may face are listed in the construction law or contract. But there are some arguments related to risk transferring and the content of risks. For this reason, construction managers must carefully consider any possible risks in the contract and the construction law. Therefore, for construction managers to deal with risks appropriately, the introduction of a legal requirement to carry professional liability insurance, a defined compensation range for damages, a method of guarantee in the event of defects, a defined compensation claim period for damage, and a method of damage claim were suggested in this study.

The Classification of the Perceived Risks Involved in E-Commerce and the Developments of Their Measures (전자상거래에서의 지각된 위험의 분류 및 측정도구 개발에 관한 연구)

  • Kang Young-Shin;Lee Choon-Yeul;Jeong Seung-Ryul
    • The Journal of Information Systems
    • /
    • v.15 no.1
    • /
    • pp.215-238
    • /
    • 2006
  • The purpose of this study is to develop the measures of the perceived risks involved in e-commerce. To do this, we first review the literature and examine the sub-constructs of the perceived risks. The risks classified are economic risk, product performance risk, social risk, technology/time loss risk, and privacy risk. Based on these findings, we identify the appropriate items for assessing these various risks. Then, we evaluate, basically using a structural equation model, the important several attributes of the measurs such as various validities and reliability. This study finally provides the rigorously tested measuring instruments of the construct of the perceived risks.

  • PDF

A Study on Correlation Analysis of Risk Factors for Urban Regeneration Using ISM method (ISM기법을 이용한 도시재생사업 리스크 요인의 상관성 분석에 관한 연구)

  • Park, Beom-Suk;Jin, Run-Zhi;Han, Sangwon;Hyun, Chang-Taek
    • Proceedings of the Korean Institute of Building Construction Conference
    • /
    • 2013.05a
    • /
    • pp.192-193
    • /
    • 2013
  • In recent years, risks associated with mixed used development in urban regeneration projects which have actively been implemented have been on the rise due to uncertainties and complexities of those projects. Thus, risk management is needed to effectively manage those risks that may occur during the process of a project. Many studies have contributed to deal with risk management of those projects. These studies, however, have focused main on identification stage and deriving the main risk factors and have limitations on presenting the relationship among those risk factors. Since many risks are interdependent and have multiple effects, the purpose of this study is to present a way(ISM method) to provide a hierarchical structural framework of risks in Urban Regeneration. The structural of risks can helps decision makers to trace the actual source of these risks.

  • PDF