• Title/Summary/Keyword: safety rules

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Development of the Compressed Packer Grouting Device for Preventing the Inflow of Polluted Groundwater (오염지하수 유입방지를 위한 압축패커 그라우팅 장치 개발)

  • Cho, Heuy-Nam;Choi, Sang-Il
    • The Journal of Engineering Geology
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    • v.19 no.4
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    • pp.433-439
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    • 2009
  • The compressed packer device is designed to improve the underground contamination prevention facilities of ground water wells. As for the device, the installation is simple because of the safety lock device and the compression of the casing are simple the installation is simple. There is no leakage of ground water because the pressure resistance with $4.5\;kg/cm^2$ makes it equipped with the watertightness The single casing is installed and the reaming for grouting is possible with 300 mm excavation so that installation cost can be saved. Silicon rubber is used for the compressed packer so that the extension rate is 590%. In terms of environmental pollution, it is an environmental friendly product which does not contain harmful ingredients such as Pb, Cd, and phenol. below the standard or undetectable level Furthermore, the installation costs are 35 to 62% or lower than the conventional grouting construction method and are 87% or lower than the expansion packer construction method, the new environmental technology No.47 Also, the device is designed to meet the relevant regulations such as Rules on Preserving the Ground Water Quality, The Standard on Jeju Island Ground Water Development and Facility Installation and Management, and The Plan and Guideline on Operating and Managing the Small-Scale Tap Water Facilities of Ministry of Environment and Ministry of Food, Agriculture, Forestry and Fisheries.

Analysis on Response System in US for Chemicals Driven Marine Pollution Accidents and Korean Response Policy Plan (화학물질 해양오염사고에 대한 미국의 방제체제 분석과 국내의 방제정책 방안)

  • Choi, Jong-Wook;Lee, Seung-Hwan
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.15 no.3
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    • pp.205-212
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    • 2009
  • With an entry into force of OPRC-HNS on June 14th 2007, response system against any large scale accidents related to HNS is required to respond rapidly and effectively in a national scale, US national response system and national contingency plan for any chemicals in operation were analyzed to understand the characteristics of management system and response system for any HNS driven accidents in the Us. Main characteristics of the US system were well described as an unified information window and an integrated incident command system supported by response facilities, manpower and technical support from other response organizations through good cooperation. In general, response activities are conducted by private sectors, however, the government will take over response activities in case large scale accidents occur in the Us. Expected expenses for response activities are covered by a type of Superfund in the Us. Several applicable ways are proposed to enable NGO to participate in and reorganize response system in ROK, and are feasible in collaboration with other response organizations and private sectors in the aspects of equipment, technology and manpower, Based upon the above activities, it is desirable to reorganize domestic rules and/or regulations related to response measures in ROK.

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Effect of Transient Condition on Propeller Shaft Movement during Starboard Turning under Ballast Draught Condition for the 50,000 DWT Oil Tanker (50,000 DWT 유조선의 밸러스트 흘수에서 우현 전타시 과도상태가 프로펠러축 거동에 미치는 영향 연구)

  • Lee, Jae-ung
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.26 no.4
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    • pp.412-418
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    • 2020
  • Generally, the propeller shaft that constitutes the ship shaft system has different patterns of behavior due to the ef ects of engine power, propeller load and eccentric thrust, which increases the risk of bearing failure by causing local load variations. To prevent this, different studies of the propulsion shaft system have been conducted focused the relative inclination angle and oil film retention between the shaft and the support bearing, mainly with respect to the Rules for the Classification of Steel Ships. However, in order to secure the stability of the propulsion shaft via a more detailed evaluation, it is necessary to consider dynamic conditions, including the transient state due to sudden change in the stern wakefield. In this context, a 50,000 DWT vessel was analyzed using the strain gauge method, and the effects of propeller shaft movement were analyzed on the starboard rudder turn which is a typical transient state during normal continuous rate(NCR) operation in ballast draught condition. Analysis results confirm that the changed propeller eccentric thrust acts as a force that temporarily pushes down the shaft to increase the local load of the stern tube bearing and negatively affects the stability of the shaft system.

A Study on the Nursing Profession as Stipulated by Health & Medical Laws of Korea (우리나라 보건의료법령에 명시된 간호에 관한 연구)

  • Kim, Eun-Young
    • Research in Community and Public Health Nursing
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    • v.8 no.1
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    • pp.116-132
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    • 1997
  • The purpose of the study is to find out how laws related to the nursing profession can be improved by analyzing the rules and regulations concerning nursing. Furthermore, to help settle legal matters in the process of doing nursing work. The data used for the study are the Health and Medical Act, the Maternal and Child Health Act, the School Health Act, the Special Act for Health and Medical Service in Rural Areas, the Industrial Health & Safety Act and the Notice on Nursing Professional Courses analyzed by age and content. The results of the study are as follows : First, basic nursing practice includes 'nursing care for recuperation and assistance in medical treatment and in special areas including the pre-vention of disease, maintenance of health, control of environment, and other therapeutic activities. It is suggested that the phrase 'assistance in medical treatment' should be eliminated as it limits the basic nursing practice to the assistance of the medical treatment. Second, Article 56 of the Health & Medical Act prescribes a special nurse but it does not prescribe a specific job. Accordingly, the new provison concerning the specific jobs of a special nurse should be added or a job guide should be inseated. Third, it is prescribed that those who have completed the training course after obtaining a license are qualified to be a midwife, a special nurse and a nurse practitioner working in special areas. However, school nurses, occupational health nurses and maternal and health workers are required to obtain a nurse license, but not to take an additional training course. Nurses working in special areas should be legally recognized as nurse specialists. The regulations to control various qualification standards consistently should be established. Fourth, the qualifications and types of nurses by area prescribed by Article 54 of the Health and Medical Act are not consistent with those of special nurses as recognized by affiliated organizations of the Korean Nurse Association and some hospitals. Accordingly, the qualifications and types of special nurses should be adjusted in consideration of special nurses. Fifth, as Article 16, Paragraph 2 of the Health and Medical Act does not prescribe the type and scope of first - aid treatment that nurses can provide, the first-aid treatment of nurses might be considered as an unlicensed practice. The specific regulations regarding these matters should be established. Sixth, the contents of the nursing record, which are prescribed by Article 21 of the Health and Medical Act as a duty, include 1) matters concerning body temperature, pulse, breath and blood pressure 2) matters concerning drug prescription 3) matters concerning input and output 4) matters concerning the treatment and nursing care (Article 17 of the Enforcement Regulations, Health and Medical Act). However, these matters are limited to basic nursing care and assistance in medical treatment. The new recording methods on nursing process are suggested to be adopted legally. Seventh, the prescription right entrusted to nurses which are prescribed by the School Health Act, the Special Act on Health and Medical Service for Rural Areas, and the Industrial Health and Safety Act are not consistent with the rights of nurses as prescribed by the Health and Medical Act. New regulations prescribing the partial right for medical treatment entrusted to nurses in consideration of the restraint of time and place in emergency situations should be established.

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A Study on the Design of Ergonomic Bridge Conning Display (인간공학적 Bridge Conning Display 설계에 관한 연구)

  • Yang Young-Hoon;Lee Bong-Wang;Lew Jae-Moon;Lee Chang-Min
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.11 no.2 s.23
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    • pp.33-40
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    • 2005
  • According to the development of technology of the navigational equipments, many bridge equipments have been improved, however, marine accidents by human error have not been reduced. Therefore, a matter of primary concern is focused on whether bridge equipments of ships are ergonomically arranged to reduce errors due to human factors. As part of a design of IBS(Integrated Bridge System) standard, rules of the conning display to save time and additional movements to obtain important informations of a ship should be established as soon as possible. In the present study, ergonomic design factors for the conning display are studied through the survey of related works, heuristic evaluations, sketch method tests as well as questionnaires. Using these factors, new conning display was designed and the ergonomic indices were evaluated by comparing tests of the existing conning displays. It is found that the designed conning display obtained high ergonomic index showed better performance, therefore, the ergonomic index studied in the present paper can be used as a useful design standard in the conning display design procedures.

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Constitutional Legitimacy of the Maritime Cadet Training System : Justifiable Restrictions on the Cadet's Fundamental Rights at the College of Maritime Science of the KMOU (해사대학 승선생활교육의 헌법상 기본권제한에 관한 연구 - 한국해양대학교 해사대학을 중심으로 -)

  • Lee, Sang-Il;Yoo, Jin-Ho;Choi, Jung-Hwan
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.22 no.5
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    • pp.430-443
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    • 2016
  • This paper involves the constitutionality of the restrictive by-laws established by the 'College of Maritime Science' at the 'Korea Maritime and Ocean University' when they affect the cadet's fundamental rights, particularly, in connection with the training system of the 'Merchant Cadet Dormitory.' The issue in question is whether the school regulations may fall within a judicially permissible boundary in light of the general principles of constitutional rights in that the rules are enacted by the school itself in accordance with the Article 31, Section 4 of the Constitution and largely regulate the cadets' living conditions on a campus. However, the general scrutiny standard the courts apply requires the school enactments to pass three tests to be justified: (1) legislative authorization, (2) proportionality and (3) non-infringement on the essential elements of the fundamental rights as articulated under Article 37, Section 2 of the Constitution. The review in this paper shows that, first, the by-laws at issue find themselves statutorily authorized by the 'Higher Education Act' and the 'Decree of the Establishment of National Schools', with the proportionality as a second part observed within a justifiable scope and the essential elements of the fundamental rights as the third point not being marred. In conclusion, the school's dormitory training system is not found to cross the line and, however, the school authorities still need to keep overseeing the overall training course to secure the constitutional proportionality.

Korea Coast Guard's Human Biological Materials Storage Project for Identifying Bodies Recovered from the Sea: A Model Suggestion (해양변사자 신원확인을 위한 해양경찰의 인체유래물 보관사업 모델제시)

  • Joo, Hyunjung;Choo, Minkyu;Baek, Yoongi;Kim, Namyul;Choi, A-jin;Im, Sonyoung;Lee, Jongnam;Kim, Hyungkyu;Lee, Hanseong
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.24 no.2
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    • pp.171-178
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    • 2018
  • The ocean is a harsh environment and Korea Coast Guard officers often face the threat of death or going missing in the line of duty. In order to promptly identify unknown bodies during mishaps, Korea Coast Guard Research Center has established an identification system using the DNA of its officers. This collected DNA can also be entombed in National Cemeteries when the remains are not recovered. The storage, disposal and quality control of the materials are overseen by the Governing Committee according to the Enforcement Rules for the Human Biological Materials Storage Project for the Identification of Officers Killed or Gone Missing in Action. Approximately 700 bodies are found per year along the Korean coast. An alternative method should be put in place for when identification through fingerprints and teeth are not applicable due to severe decomposition or partial recovery. We believe it would greatly contribute to helping identify the unknown bodies if the storage project could expand its data to include marine industry workers, relevant researchers and those involved in marine leisure activities.

A Study on the Green Ship Design for Ultra Large Container Ship (대형 컨테이너 운반선의 그린쉽 설계에 관한 연구)

  • Kim, Mingyu;Park, Dong-Woo
    • Journal of the Korean Society of Marine Environment & Safety
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    • v.21 no.5
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    • pp.558-570
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    • 2015
  • A study on the green ship design for Ultra Large Container Ship (ULCS, 18,000 TEU Class Container Ship) was performed based on the four step procedures of the initial design and hull form optimization to maximize economic and propulsive performance. The first, the design procedure for ULCS was surveyed with economic evaluation considering environmental rules and regulations. The second, the characteristics of single and twin skeg container ships were investigated in view of initial design and performances. The third, the hull form optimization for single and twin skeg ships with the same dimensions was conducted to improve the resistance and propulsive performances at design draught and speed by several variations and the results of the optimization were verified by numerical calculations of CFD and model test. The last, for the estimated operating profile of draught and speed, the hull forms of single and twin sked ships were optimized by CFD. From this study, the methodologies to optimize the hull form of ULCS were proposed with considerations during the green ship design and the improvement of the energy efficiency for the optimized hull forms was confirmed by the proposed formula of the total energy considering design conditions, operating profile and fuel oil consumption.

Child-Care Facility and Kindergarten's Demands on Foodservice Support by Center for Child-Care Foodservice Management (CCFSM) in Seoul and Gyeonggi-do (서울.경기지역 보육시설 및 유치원 대상 어린이급식관리지원센터 지원 요구도 분석)

  • Kim, Soo-Youn;Yang, Il-Sun;Yi, Bo-Sook;Baek, Seung-Hee;Shin, Seo-Young;Lee, Hae-Young;Park, Moon-Kyung;Kim, Young-Shin
    • Korean Journal of Community Nutrition
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    • v.16 no.6
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    • pp.730-739
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    • 2011
  • The purpose of this study was to analyze the differences between child-care facilities and kindergartens towards the need for foodservice support by Center for Child-Care Foodservice Management (CCFSM). For this study, questionnaires were sent out from August of 2008 to April of 2009 to directors of 1,478 child care facilities and 299 kindergartens in Seoul and Gyeonggi-do via postal service. A total of 267 questionnaires were usable with 203 (13.7%) of child-care facilities and 64 (21.4%) of kindergartens. Statistical data were analyzed by SPSS 15.0 for descriptive analysis and t-test. For political and administrative support, government funding for foodservice was the highest need and hiring nutritionists was significantly different by type of facility (p < 0.01). Both child-care facilities (4.29) and kindergartens (4.41) demanded the balanced menu from CCFSM. There were significant differences of "information about food material sanitation management" (p < 0.05), "hygiene safety management method according to working process" (p < 0.05), "hygiene safety management method of foodservice facilities and equipment" (p < 0.05). In education and training contents from center, "types and methods to manage foodservice facilities and equipment" for directors, "dietary education by age" for teachers, and "the rules of personal sanitation and working process" and "gas, electricity and fire prevention" for culinary workers had the highest mean score of requirements.

Behavior of Liquid Nitrogen in the Cryogenic Storage Tank (초저온액화가스 저장탱크 내에서의 액화질소의 거동)

  • Park Byung Whee;Lee Hyun Chul;Park Doo Seon;Son Moo Ryong
    • Journal of the Korean Institute of Gas
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    • v.2 no.3
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    • pp.37-48
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    • 1998
  • A cryogenic liquid stored in the closed cryogenic tank has been studied at various liquid levels. The change of pressure, temperature, and liquid-vapor ratio in the tank depended on the liquid levels. The various phenomena were shown at different liquid levels as follows: (1) liquid level was increased with condensation of vapor: (2) liquid was vaporized in spite of liquid level going up for a certain initial period and then condensation of vapor occurred at higher pressure; (3) liquid was vaporized without liquid level change; (4) liquid was vaporized with liquid level decreasing. If the tank is full with cryogenic liquid, it is extremely dangerous because of soaring the pressure. Therefore the tank must be filled with $90\%$ liquid according to the safety rules. If the tank was filled with $0\%$ ullage, the pressure increment as high as 80bar during first 5 days. With $90\%$ liquid level, however, the pressure was increased as low as 1.5bar in the same period. No matter what the liquid level is, it is very dangerous if the tank is locked-up with filled cryogenic liquid for a long time.

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