• Title/Summary/Keyword: site planning guideline

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Derivation of preliminary derived concentration guideline levels for surface soil at Kori Unit 1 by RESRAD probabilistic analysis

  • Byon, Jihyang;Park, Sangjune;Ahn, Seokyoung
    • Nuclear Engineering and Technology
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    • v.50 no.8
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    • pp.1289-1297
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    • 2018
  • Preliminary surface soil Derived Concentration Guideline Levels (DCGLs) were derived conforming to the Multi-Agency Radiation Site Survey and Investigation Manual (MARSSIM) procedure for the site release and reuse of Kori Unit 1 in Korea. Based on the decommissioning experiences of the U.S. nuclear power plants, a suite of residual radionuclides was determined, and uncertainties contributed to the resultant dose by the input parameters were quantified via the sensitivity analysis of parameters. The peak of the mean dose was obtained via the probabilistic analysis of the RESRAD (RESidual RADioactivity)-ONSITE code. Consequently, $DCGL_w$ of Kori Unit 1 in accordance with two scenarios, industrial worker and residential farmer scenario, were derived and the results were compared respectively with other NPPs. It could be used as a basic guideline for establishing regulatory standards for reuse planning, designing the site characterization surveys and implementing final status survey (FSS).

An Analysis on Spatial Characteristics in the Center Villages of Hub-Myun Site (농촌 거점면 중심지의 공간구조 특성 분석)

  • Lim, Chang-Su;Choi, Soo-Myung;Sim, Hwan-Hwi
    • Journal of Korean Society of Rural Planning
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    • v.15 no.3
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    • pp.33-45
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    • 2009
  • This study tried to establish a tentative renewal guideline on spatial structure of the Hub-myun's center villages which would be positioned as sub-centers in the rural settlement hierarchy in Korea. Space Syntax Method was used to analyze the locational characteristics of community facilities in the center villages of 8 pilot project areas which were selected in the nationwide scale. The base-maps for spatial analysis works were prepared firstly from satellite pictures and adjusted through field check. Generally, connectivity and global integration values of center villages were calculated as higher than hinterland villages, which would mean better accessible spatial characteristics in the center villages. And a tentative renewal guideline was proposed for road route improvement and relocation of community facilities in the Hub-myun's center villages.

Evaluation of Site Specific Ground Response (부지 고유의 지반 거동평가)

  • 김동수;이진선;윤종구
    • Journal of the Earthquake Engineering Society of Korea
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    • v.3 no.4
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    • pp.1-10
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    • 1999
  • Free-field ground motion during earthquake is significantly affected by the local site conditions and it is essential for the seismic design to perform the site specific ground response analysis. In this paper, the procedures of site specific ground response analysis were suggested based on the Korean seismic guideline and the review of state of the art technologies. The concept of ground response analysis was introduced, and the techniques of obtaining soil data for one dimensional equivalent linear analysis which include site investigation planning, field and laboratory testing techniques, deformational characteristics of soils at small to large strains, and site characterization techniques combining field and laboratory test results, were suggested. Finally, the case study was performed at Inchon area following the suggested procedure.

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Planning Guidelines for the Superstructure of Floating Architecture (플로팅 건축 상부시설의 계획 지침에 관한 연구)

  • Ko, Min-Chul;Song, Seog-Ki
    • Journal of Navigation and Port Research
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    • v.36 no.3
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    • pp.189-196
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    • 2012
  • Recently constructed several floating buildings, in Korea, provoked the discussion about the activation of floating architecture. But, there is no guideline for the planning of floating architecture in Korea. This study aims to propose the framework of planning guidelines for the superstructure of floating architecture. For the purpose, collected various exiting guidelines related to floating architecture, and then analysed the structure and components of those guidelines. As a result of analysis, many components, could be used as references, are extracted. After the classification of the components into several categories, then, compared the content of components, derived from different guidelines, in same category. Based on the former analysis and comparison, proposed the framework of planning guidelines for the superstructure of floating architecture, consist of various set of components.

A Study on the Physical Environment Characteristics of the Detached Housing Area in the Housing Site Development District (택지개발지구내 단독주택지의 물리적 환경특성에 관한 연구)

  • 박몽섭;하재명
    • Journal of the Korean housing association
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    • v.15 no.3
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    • pp.43-51
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    • 2004
  • The purpose of this study is to examine the physical characteristics of the detached housing area in the housing site development district. The process of this study is to investigate the characteristics of the physical structure and the building use, then to analyze the relationship of physical structure and the building use in the aspect of the morphological characteristics. The case study focuses on the Chil-kok2, An-Siml in Taegu. The streets pattern is composited gird and loop type mixed. The block is composited by 2 lots in general. But the obscurity of organization and character of the streets, the size and shape of lots which is not fit to the building use. A whole residential characters appears high residential density ratio. so residential environment became worse. The improving level of residential environment and efficiency of land use in the detached housing area of the housing site development district, firstly the propriety of the physical structure must be considered about detached house characters, and the housing uses which fit to the physical structure are needed, and also for the concrete realization of this, the designation of district, the zoning of residential area, the guideline of the district design, and establishment of comprehensive master planning in detached housing area are needed in aspect of the housing policy. As the result of this study, it suggests several design guideline to improve housing site development.

Quantification of Uncertainty Associated with Environmental Site Assessments and Its Reduction Approaches (부지 오염도 평가시 불확실성 정량화 및 저감방안)

  • Kim, Geonha;Back, JongHwan;Song, Yong-Woo
    • Journal of Soil and Groundwater Environment
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    • v.19 no.1
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    • pp.26-33
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    • 2014
  • Uncertainty associated with a sampling method is very high in evaluating the degree of site contamination; therefore, such uncertainty affects the reliability of precise investigation and remediation verification. In particular, in evaluating a site for a small-sized filling station, underground utilities, such as connection pipes and oil storage tanks, make grid-unit sampling impossible and the resulting increase in uncertainty is inevitable. Accordingly, this study quantified the uncertainty related to the evaluation of the degree of contamination by total petroleum hydrocarbon and by benzene, toluene, ethylene, and xylene. When planning a grid aimed at detecting a hot spot, major factors that influence the increase in uncertainty include grid interval and the size and shape of the hot spot. The current guideline for soil sampling prescribes that the grid interval increase in proportion to the area of the evaluated site, but this heightens the possibility that a hot spot will not be detected. In evaluating a site, therefore, it is crucial to estimate the size and shape of the hot spot in advance and to establish a sampling plan considering a diversity of scenarios.

DESIGN GUIDELINE FOR BIOSAFETY LABORATORY CONSTRUCTION

  • Tzu-Ping Lo;Sy-Jye Guo
    • International conference on construction engineering and project management
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    • 2005.10a
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    • pp.587-591
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    • 2005
  • The case of laboratory-acquired SARS Corona virus infection in Taiwan has revealed a number of weaknesses in management, construction, and oversight of laboratories. Also, with the increased demands for bio-safety laboratory, there is an urgent need to develop a uniform and comprehensive guidance for architects and construction engineers in the preparation of design and construction. This research investigates the key elements for designers, engineers, and potential owners in biosafety laboratory design and construction. It defines key elements and determines major relationships and standards that should be adhered to when developing site layout. In addition to layout planning and design guidance of biosafety laboratory, this research also interviews the perspective of architects and survey the state-of-the-art technology in Taiwan. It represents the portraits by site investigation. The purpose of the research is to provide guideline of design and avoid potential future conflict to ensure the critical continuity of functions.

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Calculation of preliminary site-specific DCGLs for nuclear power plant decommissioning using hybrid scenarios

  • Seo, Hyung-Woo;Sohn, Wook
    • Nuclear Engineering and Technology
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    • v.51 no.4
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    • pp.1098-1108
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    • 2019
  • Korea's first commercial nuclear power plant at Kori site was permanently shut down in 2017 and is currently in transition stage. Preparatory activities for decommissioning such as historical site assessment, characterization, and dismantling design are being actively carried out for successful D&D (Dismantling and Decontamination) at Kori site. The ultimate goal of decommissioning will be to ensure the safety of workers and residents that may arise during the decommissioning of nuclear facilities and, thereby finally returning the site to its original status in accordance with the release criteria. Upon completion of decommissioning, the resident's safety at a site released will be assessed from the evaluation of dose caused by radionuclides expected to be present or detected at the site. Although the U.S. commercial nuclear power plants with decommissioning experience use different site release criteria, most of them are 0.25 mSv/y. In Korea, both the unrestricted and restricted release criteria have been set to 0.1 mSv/y by the Nuclear Safety and Security Commission. However, since the dose is difficult to measure, measurable concentration guideline levels for residual radionuclides that result in dose equivalent to the site release criteria should be derived. For this derivation, site reuse scenario, selection of potential radionuclides, and systematic methodology should be developed in planning stage of Kori site decommissioning. In this paper, for calculation of a preliminary site-specific Derived Concentration Guideline Levels (DCGLs) for the Nuclear Power Plant site, a novel approach has been developed which can fully reflect practical reuse plans of the Kori site by taking into account multiple site reuse scenarios sequentially, thereby striking a remarkable distinction with conventional approaches which considers only a single site scenario.

Case of Geophysical Survey Guideline for Site Investigation of Spent Nuclear Fuel disposal: Focusing on airborne electromagnetic and seismic reflection survey (사용후핵연료 처분시설 부지조사를 위한 물리탐사 수행지침서 작성 사례 : 항공전자탐사와 탄성파 반사법탐사 중심으로)

  • NamYoung Kong;Hagsoo Kim;Yoonsup Moon;Manho Han
    • Geophysics and Geophysical Exploration
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    • v.27 no.1
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    • pp.69-83
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    • 2024
  • Considering importance and specificity, site investigations for deep geological disposal of Spent Nuclear Fuel require stringent quality control, unlike general geotechnical investigations for tunnels and bridges. In this study, we present a case of selecting geophysical survey method for individual site investigation stage and preparing geophysical survey guideline. The proposed geophysical survey guidelines include procedures, considerations, and quality control for exploration planning, data acquisition, data processing, and interpretation. They comprehensively summarize the contents of airborne electromagnetic survey and seismic reflection survey.

Planning Organizations and Planning Process of To(道) and Pu(府) Government Office Buildings under the Rule of Japanese Imperialism (일제강점기 도청사.부청사의 설계주체와 설계과정)

  • Kim, Myung-Sun
    • Korean Institute of Interior Design Journal
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    • v.20 no.2
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    • pp.102-109
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    • 2011
  • Under the rule of Japanese Imperialism, there were two kinds of architectural government organizations inside the Chosun(朝鮮) Governor-General which designed To(道) and Pu(府) government office buildings; one was the organization inside the central government office and the other inside the local government offices(To and Pu). By the administrative approval procedure of the Chosun Governor-General, the local architectural organization planned site and floors of the building in the schematic design stage, and in the detail design stage not only the central but sometimes the local planned the building design. The design accomplished by the local in schematic stage was believed as a kind of guideline in detail design and the local organization was able to insist their own needs to the central and to change the central's planning. Even though the central had the authority of the design, the local took part in the planning of To and Pu government office buildings at least in the schematic design stage.