The Severe Disaster Punishment Act had recently been established in order to promote safety and health (OSH) management system for severe accident prevention. OSH management system is primarily designed based on risk assessments; however, companies in industries have been experiencing difficulties in hazard identification and selecting proper measures for risk assessments and accident prevention. This study intended to introduce an accident analysis method based on epidemiological model in finding hazard and preventive measures. The accident analysis method employed in this study was proposed by the U.S. Department of Energy. To demonstrate the effectiveness of the accident analysis method, this study applied it to two accident cases occurred in construction and manufacturing industries. The application process and results of this study can be utilized in improving OSH management system and preventing severe accidents.

The latest issue is the smart factory. In order to implement this smart factory, the most fundamental element is to establish product specifications for factors affecting the product, obtain useful data to analyzed and predicted, and maintain safety. But most manufacturers have many errors. Therefore, the purpose of this study is to verify factors of product through statistical techniques and to study the process control and safety.

The train-centric control systems development has some distinct points in that a big size of government budget is in general expended in there and the development duration seems to be long. In addition, the changes are ever made continuously in the capability and operational requirements for Trains. Thus, the impact of the potential changes in the required operational capability on the development activities can induce some type of project risks [7]. As such, proper management of project risk has been one of crucial subjects in the train systems development. All these notes combined together make it the significance of the safety management process be raised further up in the train-centric control systems development. As such, the underlying safety management process should be capable of appropriately handling the potential risks that can be created due to the unexpected changes and the long-term development period. The process should also be complemented for the safety consideration of train-centric control systems, for instance, stop. To study these aspect is the objective of the paper. To do so, a step-by-step approach to analyzing the safety management process is first presented. Then, to enhance the process some necessary and useful activities are added in terms of risk and safety management. Then, to pursue some enhancement on the process, a set of necessary and useful activities are added in terms of risk and safety management. The resultant process is further analyzed and tailored using a design structure matrix method. The resultant process is applied in a train-centric control development as a case study.

The weapon systems development has some distinct characteristics in that a big size of government budget (derived from national tax) has been expended frequently and the completion of the development projects seems to take long. Thus, the impact of the potential changes in the required operational capability on the development activities can induce some type of project risks. As such, proper management of project risk has been one of crucial subjects in the weapon systems development. Although a variety of methods can be considered, an approach based on the test and evaluation (T&E) process has been selected in this paper in order to appropriately handle those potential risks. In the study of the underlying T&E process, the safety consideration (for instance, explosiveness) of weapon systems is also included. To achieve the objective of the paper, a step-by-step procedure is first presented in the analysis of the T&E process. Then, to pursue some enhancement on the process, a set of necessary and useful activities are added in terms of risk and safety management. The resultant process is further analyzed and tailored based on a design structure matrix method. The case study of a tank development is also discusse

사고방지 및 안전도모를 위한 안전관리 현황파악 및 통계적, 사례적 측면에서 리스크 분석을 통하여 대처방안을 마련하고, 다각적 구성을 통하여 설계한 안전관리 시스템에 관하여, 사고원인분석기법 중 F.T.A. 기법을 활용하여 안전관리 시스템을 평가하고 그 유효성을 밝히고자 한다.

All of the city gas companies in Korea must employ the gas safety patrols by law. The gas safety patrols are responsible for the various tasks including daily gas pipeline patrol to prevent gas accidents. Since the size of jurisdiction varies among the city gas companies, it is very difficult to compare their efficiency for the operations of the safety patrol each other directly. The objective of this research is to develop the methodology to analyze and compare the efficiency of the safety patrol's operations among various city gas companies. Several factors that are related to the safety patrol's duty on the gas safety factors were identified and DEA(Data Envelopment Analysis) model for efficiency analysis was developed. Finally, the DEA model was applied to the collected data from six city gas companies. The less efficient city gas companies can benchmark the higher efficient city gas companies in order to improve the safety control systems.

본 연구에서는 국내 해운회사의 안전관리를 위한 여러 가지 투입요소와 산출요소들에 대한 자료를 설문조사하고, 각 해운회사간의 안전관리체제 이행에 따른 효율성을 DEA 분석법을 사용하여 분석하였다. 1998년~2004년까지 각 해운회사의 안전관리체체의 운영효율성을 DEA 모형으로 분석한 결과, 효율성 평균지수가 매년 감소하는 추세를 나타내었다. 효율성 평균지수가 매년 낮아지는 경향을 보이는 이유는 해양사고 건수, PSC지적 건수, 선박보험료, P&I 보험료는 매 년 감소하는 것에 비해 선박수리비, 선용품비와 선박 불가동일수는 매년 감소하지 않고 오히려 증가하는 경향을 보이고 있는 것이 주요한 원인으로 분석되었다.

Inchon Port is the second largest import-export port of Korea, and has the point at issue such as the excessive logistics cost because of the limits of handling capacity and the chronic demurrage. There are few research activities on the analysis and improvement of the whole port operation, because Inchon Port not only has the dual dock system and various facilities but also handles a various kind of cargo. The purpose of this paper is to develop the simulation program as a long-term strategic support tool, considering the dual dock system and the TU(Terminal Operation Company) system executed since March, 1997 in Inchon Port. The basic input parameters such as arrival intervals, cargo tons, service rates are analyzed and the probability density functions for these parameters are estimated. The main mechanism of simulation model is the discrete event-driven simulation and the next-event time advancing. The program is executed based on the knowledge base and database. From the simulation model, it is possible to estimate the demurrage status through analyzing various scenarios and to establish the long-term port strategic plan.

Currently, the cable safety management of cable supported bridges is calculated by the ratio of the measured tension to the design tension. The measurement of the tension is performed by indirectly estimating the acceleration measured at the cable surface in terms of the tension. The method of converting the cable vibration response (acceleration) into the tension is disadvantageous in that the damage of the individual strand (or wire) in the cable is not clearly reflected in the tension because the measurement is not reliable and is managed only by the total tension. The purpose of this study is to improve the cable safety management system by evaluating how the damage of individual strand of MS type cable, which is mainly applied to cable-stayed bridges, affects the safety level managed by level of cable tension.

부산항 ‘A’ 터미널에서 발생한 지난 3년간의 사고 데이터를 분석하여 어떤 장비가 가장 많이 사고를 발생하였고 어떤 위험점이 가장 높은지를 위험성 평가기법으로 알아보고, 이러한 사고를 미연에 방지하기 위한 방안을 보우타이 기법을 활용하여 제시하고자 한다. 실증자 료를 분석한 결과 터미널 내의 이동장비 중 야드 트랙터의 충돌사고가 가장 높은 것으로 나타났다. 안전한 부산항을 만들기 위하여 우리는 가장 먼저 야드 트랙터의 충돌사고 예방법 (Control measure)과 사고 발생 시 대처방안 (Recovery measure)을 철저히 준비하여 사고를 미연 에 방지하여야 할 것이다. 본 연구의 결과는 관련 실무에 다양한 시사점을 제공하였다.

In this study, quartile control chart method is tried to apply to determine limit values of existing dams of K-water’s instrumentation data for dam safety, show asymmetric distributed data, and the example of application is presented. The determined limit values of concrete stress meter and concrete non-stress meter by Shewhart method and quartile method show that the determined limit values by Shewhart method indicate that the majority of instrumentation are on abnormal condition, although the measured values are normal behavior. But, in case of the result of quartile method has such an error. Like this, it is judged that the determination of the limit values of dam instrumentation, show asymmetric and abnormal distributed data, by the quartile method is appropriate. Therefor The quartile method is applied to the determination of limit values of existing dam instrumentation of K-water.

Recently, demand for systematic and scientific management system is increasing as national consciousness of safety improved. Various studies on monitoring and management techniques of important facilities are being carried out, but it is difficult to conduct swift countermeasures in case of real disasters. Specially, damage inflicted by disasters would be preventable when stability of construction sites as in downtown area or tunnel construction sites where human and material damage is expected to be high can be identified promptly. This study developed a scene visualization measurement sensor using LED and applied on the safety management of structures. The scene visualization measurement technique can change the paradigm of existing measurement methods. The technique will allow users to determine safety of structures promptly and easily in real time without professional help. Also, it will reduce professional manpower for structure management during or after completing the construction, and it can minimize damage from disaster occurrence through quick response when unusual symptoms occur.

최근 지정 폐기물처리에 대한 관심이 사회적으로 많아지면서 폐기물의 재활용과 안정화 처리에 대한 연구가 많이 이루어지고 있다. 에폭시수지는 내열성, 내화학성, 내수성, 절연성이 우수하며, 성형성이 좋고 경화시간이 짧아 도료, 토목, 건축 등에서 다양한 재료로 사용되고 있다. 국내에서는 2010년 이후로 매년 30만 톤 이상의 에폭시 수지를 생산하고 있고, 약 11만 톤 정도를 매년 수출하는 추세이다. 에폭시 수지 제조공정에서 나오는 폐기물은 폐합성수지 및 폐유기용제등의 지정폐기물로 포함되며, 그 중 폐합성수지는 2011년 기준으로 연간 약 1.5만 톤 이상이 발생하였다. 본 연구에서는 에폭시 수지 제조공정 중, 탈염분액 공정에서 발생하는 폐합성수지를 채취하여 분석하였다. 탈염분액 공정에서는 제조공정 중에 사용된 주원료인 비스페놀A(BPA)와 액상 수지인 ECH (epichlorohydrin), 톨루엔, 세척제인 NaOH 등을 배제하고, 정제된 에폭시 수지를 얻게 된다. 이 과정에서 에폭시 수지와 탈염폐수의 중간체인 고체형 폐기물이 발생하게 되며, 이 폐기물에는 톨루엔을 비롯한 비스페놀A 등 수지들이 포함되어 지정폐기물로 분류되어 처리된다. 탈염분액 공정 폐기물은 폐기물공정시험법에 의해 pH, 수분함유량, 고형물, 회분, 가연분, 강열감량, 휘발성 고형물, 유기물 함량 등을 확인하였다. 폐기물의 pH는 약 11.2로 높은 알칼리성을 띄었고, 수분함유량은 약 51.6%, 고형물 함량은 48.4%, 강열감량은 약 94.7%를 보였다. 폐합성수지는 연소시 열량이 높은 장점을 갖고 있어 대부분의 재활용 업체에서 연료로 재활용하며, 폐기물의 처분시 주로 소각법을 사용한다. 하지만 폐합성수지에 포함된 다양한 위해성 물질에 의해 소각시 배출되는 물질에 대한 물질 수지가 확인이 되지 않고, 그 유해성에 대한 검증이 되지 않는다. 따라서 폐기물 자체에 포함된 물질들의 정확한 분석을 통해 위해성을 갖는 물질에 대한 안정화를 진행하고, 안정화 이후의 폐기물에 대한 재활용 및 처분 방법에 대한 안전관리기법을 제시할 수 있다.

The purpose of in this study to develop of the dam safety management assessment tool based risk assessment for the dam safety management paradigm shift. Therefore in this study is to develop hydrological and geotechnical analysis module and risk analysis and assessment tool for the development of the damsafety management decision-making support tool D-SMART.