• 제목/요약/키워드: safety facilities

검색결과 3,134건 처리시간 0.028초

A Study on the Odor Removal Control System of Sewage Sludge

  • KIM, Su-Hye;LEE, So-Hee;YUN, Yeo-Jin;CHOI, Soo-Young;JUNG, Min-Jae;KWON, Woo-Taeg
    • 웰빙융합연구
    • /
    • 제4권2호
    • /
    • pp.19-25
    • /
    • 2021
  • Purpose: The purpose of this study is to reduce odor complaints by identifying problems with odor management at the site of the water regeneration center and researching odor management methods. Due to the high population density of Korea, sewage treatment facilities are adjacent to residential and industrial areas. According to previous studies, the main malodor-emitting facilities of sewage treatment facilities were preliminary treatment facilities (2,220 times), sedimentation basins (4,628 times), and sludge treatment facilities (9,616 times). Research design, data and methodology: Compound malodors and designated malodor-producing substances were collected from five site boundaries of the water regeneration center and analyzed according to the official methods to test malodor, and a total of two times (August and September 2020) were conducted. Results: As a result of the measurement, in the green area in front of the center office, compound malodors were detected at a maximum of 8 times and at least 3 times during the dawn time. As for the designated malodor-producing substances, 0.1ppm of ammonia was detected in the green area in front of the center office and the park golf course. This is within 15 times the maximum allowable emission level of compound malodors and within 1ppm of the maximum allowable emission level of ammonia. Conclusions: Even if the dilution rate of the compound malodors did not exceed the maximum allowable emission level, the odor could be recognized, and more research is needed in the future to establish effective reduction measures according to the subjective and individual and seasonal odor characteristics.

철도시설물 유지보수 외주화에 따른 직영 및 외주직원간 안전의식 분석 및 개선에 관한 연구 (A Study on the Safety Consciousness between Permanent and Temporary Workers and the Improvement of Safety Management System about Railroad Facilities Maintenance's Outsourcing Operation)

  • 박성민;이원영
    • 한국안전학회지
    • /
    • 제28권6호
    • /
    • pp.79-83
    • /
    • 2013
  • The advent of private railroad corporations presented many problems on administration's effectiveness. These brought an effect on safety management too. Most public railroad corporations maintain their rolling stocks and facilities by their own workers. On the other hand, private railroad corporations depend on outsourcing to cut down the cost of maintenance. But they have similar safety management systems. Therefore we investigated the gap between the two types of corporations, focusing on workers' safety attitude and proposed solutions to improve safety management systems in private railroad corporations.

단체급식 안전관리에 대한 영양사 인식 조사(II) - 안전시스템 및 안전교육 현황 - (Dieticians' Perception of Safety Supervision in Institutional Foodservices (II) - Status of Safety System and Safety Education -)

  • 박혜란;문혜경
    • 대한영양사협회학술지
    • /
    • 제17권3호
    • /
    • pp.229-242
    • /
    • 2011
  • The purpose of this study was to investigate the status of the safety system and safety education in institutional foodservices in the Changwon and Masan areas. The survey was conducted from February 1 to March 31, 2009 via questionnaires that were sent to 300 dietitians, and 142 dietitians responded. It was determined that most of the safety managers were 'dietitians (87.1%)', whereas facilities/equipment managers consisted of 'dietitians (45.7%)', 'department of facilities management in the organization (36.4%)' and 'outsourced company of facilities management (17.9%)'. Out of the 11 safety practices, seven safety practices showed less than 50% of total implementation ratio, which meant that the safety systems were not functioning properly. Except for 'non-skid shoes (85.9%)', other safety equipment was seldom used. The survey respondents recognized that safety education was very necessary (4.47 points); however, they responded so-so (3.46 points) to the question of whether or not the actual frequency and time spent on safety education were enough. The average time spent on safety education was 28 minutes 11 seconds. Regarding the difficulties in performing safety education, 'not many safety education materials and media (3.44 points)', 'not many varieties in the subjects and contents for safety education (3.40 points)', and 'not much organizational support on safety education (3.33 points)' showed higher scores than 'lack of education time due to workload (3.20 points)'. The following were cited as education materials that should be developed as it is currently difficult to obtain relevant information and data: 'root causes of musculoskeletal injury and preventive measures (15.8%)', 'healthcare and disease preventive exercises for employees who do simple and repetitive works (14.9%)', and 'instruction on safe handling of chemicals (12.7%)'

발전 설비 감시 점검용 로봇 시스템을 위한 실내 위치 인식 시스템 설계 (Indoor Localization System for Field Robot System of Power Plant Facilities Surveillance)

  • 정창기;이재경;박준영;조병학
    • 전기학회논문지
    • /
    • 제57권12호
    • /
    • pp.2308-2312
    • /
    • 2008
  • As power plant facilities are being deteriorated, their safety is getting more important, and more routine surveillance is being required. For this purpose, this paper presents an indoor localization system for field robot system which performs the surveillance of power plant facilities instead of human workers from the viewpoint of the workers' safety and work efficiency.

자동열차방호장치와 건널목보안장치간의 인터페이스 안전요구사항에 관한 연구 (A Study on Safety Requirement of ATP/LCS Interface)

  • 신덕호;이재훈;이기서
    • 한국철도학회논문집
    • /
    • 제8권2호
    • /
    • pp.161-169
    • /
    • 2005
  • In this paper, we provide safety requirements and advices to guarantee the safety of an interface in a level crossing system which is an interface between the conventional facilities and the new ATP (Automatic Train Protection) system, as well as we accomplish a safety management for the facilities of a country that has a different standard with already standardized ATP system. The system model has been made based on a safety activity of the international standard, and then a tolerance of a risk by the safety activity through PHA (Preliminary Hazard Analysis) has been analyzed. finally we achieved HIA (Hazard Identification and Analysis) for the assumptions that have been produced from a operating scenario and a functional interface. Thus, the safety requirements for the interface has been provided from the safety plan of HIA, and we showed the safety activity to guarantee the system safety through HIA which was depend on the design.

국가기반시설 안전관리 기능강화 방안 (The Plan to promote the Function of Safety Management for National Infrastructures)

  • 정명진;이명구
    • 대한안전경영과학회지
    • /
    • 제17권4호
    • /
    • pp.35-45
    • /
    • 2015
  • The country has been to industrialization, urbanization, centralization due to rapid economic growth and industrial facilities are aging by focusing on economic growth. These industrial facilities are often due to an unexpected accident occurred. This study was performed for suggesting the plan to promote the function of safety management for national infrastructures. In order to achieve the goal of study, safety association laws were analyzed, and safety-related organizations were investigated by business fields.

도시가스 안전 진단 지표 개발에 관한 연구 (A Study on Development of City Gas Safety Diagnosis System Index)

  • 정원익;양광모;전형정;강경식
    • 대한안전경영과학회:학술대회논문집
    • /
    • 대한안전경영과학회 2004년도 춘계학술대회
    • /
    • pp.1-4
    • /
    • 2004
  • Need safety diagnostic indicator pointer that is objective as estimation basis to be scientific and manages systematically safety existing condition and level for city gas facilities. Safety diagnostic indicator pointer can divide by greatly two. One is management (Software) side that one that differ with mechanical (Hardware) side that handle laying stress on equipment connected with safety manages organization and management connected with safety. Weight appropriates according to specific gravity that relevant element occupies in facilities. To give so big value in particular element in grant of weight pays attention because break balance of whole guideline and should gives. Finally, efficient safety net may see effect before self-regulation inside by minimum target establishment by government and legal, systematic countermeasure establishment for this, strict law application and each business proprietor and though activity and user's active safety activity forms harmony properly.

  • PDF