• Title/Summary/Keyword: Work-in-Process Management

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Suggestions for Quality Management through Analysis of Construction Process of Multi-layer Modular Housing (적층식 모듈러주택의 시공 프로세스 분석을 통한 품질관리 중점사항 제안)

  • Sohn, Jeong Rak;Lee, Dong Gun;Bang, Jong Dae;Kim, Jin Won
    • Land and Housing Review
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    • v.10 no.3
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    • pp.67-75
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    • 2019
  • The modular construction means that more than 70% of the parts such as walls, windows, electrical wiring, facility piping, bathrooms, and kitchen appliances are pre-assembled at the factory and transported to the site. It is possible to shorten the construction period than general construction work and to secure high quality through modular mass production since the modular construction works in the field at the same time as the modular production. However, there are only four domestic modular manufacturers, and each company's modular components and construction methods are different, so it is necessary to standardize them. Therefore, this study investigated the construction process centering on the stacking method of modular housing construction work applied to D site in Cheonan-si, and proposed the key points of quality management by construction stage. As the project was conducted as a pilot project for government R&D projects, some differences may occur from general modular housing construction. However, the construction process and quality control focus of each unit box type modular house analyzed in this study can be used as basic data in the future of modular housing construction. In addition, the results of this study can be used to establish construction standards, such as the development of checklists and establishment of standard processes.

A Study for Analyzing Life Cycle Cost of Membrane Water-proofing of Roof - Focused on precaution for securing quality - (건축공사 옥상 도막방수 공법의 LCC 분석 - 품질확보를 위한 사전대책을 중심으로 -)

  • Bae, Jae-Wook;Shin, Seung-Moon;Kim, Sang-Gap;Koo, Choong-Wan;Hong, Tae-Hoon;Koo, Kyo-Jin;Hyun, Chang-Taek
    • Korean Journal of Construction Engineering and Management
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    • v.9 no.4
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    • pp.57-65
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    • 2008
  • As the society is being developed, the desire about life quality is also growing. Even though the process of waterproof work has very close relation with these life quality, we always focus on management after problem than the precaution of problem. So this process has the highest rate of mengel. We develop LCC analysis model considering the precaution and try to show the necessity of the precaution by comparing and analyzing every alternative proposal during LCC. By studying of the previous work and the result of questionnaire, we deduce the problem of waterproof work in construction area. By discussion with an expert in this process and research, we make solutions about precaution and set the cost items in every alternative proposal about these solutions. We understand the effect of each elements through sensitive analysis of the cost items, and find the economically best suited solution.

A Business Operating System Architecture based on Semantic Web and Web Service (시맨틱 웹과 웹 서비스 기반의 비즈니스운영체계 아키텍처)

  • Choe, Mi-Yeong;Bang, Chan-Seok;Gwon, Jeong-Min;Choe, In-Jun
    • Proceedings of the Korean Operations and Management Science Society Conference
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    • 2005.05a
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    • pp.429-435
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    • 2005
  • True process collaboration can be accomplished through seamless integration of business processes and enterprise knowledge. Therefore, it is natural that the concept of Business Operating System (BOS), proposed by Delphi Group in 1994, is currently considered as a next evolutionary step for Business Process Management System (BPMS). Literature reports very little work, however, especially, on a comprehensive architecture of the system. This paper proposes an architecture of BOS with the following definition: ' BOS is an intelligent activity supporting system that provides a comprehensive and personalized work environment to each knowledge-intensive worker. ' To propose an architecture of BOS, the paper first identifies and classifies functional requirements for Business Operating System. Then, it proposes a data model and an architecture of the system to satisfy the functional requirements. The proposed architecture focuses on two essential technical requirements. First, the system should provide an effective means to integrate data and processes and to standardize distributed component systems. Secondly, the system should also be intelligent enough to assist workers to perform their knowledge-intensive work. The paper shows how these requirements can be achieved by using Semantic Web and Web Service.

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Developmental Roles of Field Agricultural Extension Work in the Localization Process (지방화시대(地方化時代) 시군농촌지도소(市郡農村指導所)의 역할(役割)과 발전방향(發展方向))

  • Kim, Jae-Ho;Kim, Sung-Soo
    • Journal of Agricultural Extension & Community Development
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    • v.2 no.2
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    • pp.109-116
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    • 1995
  • The objectives of this study were to identify the roles of field agricultural extension work and its future development directions in the localization process. Literature reviews and participatory research methods were applied to attain the study objectives. Among the identified developmental roles of the field extension work in the localization process were : (1) to build up the agricultural research capability within the locality ; (2) to intensify the field information technology and ; (3) to strengthen the technology management capability of the extension educators.

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An AHP Approach to Select the Task Related Technique for Work Efficiency Improvement in Shipbuilding Enterprise (AHP에 의한 조선기업의 작업능률향상을 위한 과업관련기법의 선택)

  • Kim, Tae-Soo;Lee, Kang-Woo
    • Proceedings of the Korean Society for Quality Management Conference
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    • 2006.11a
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    • pp.31-37
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    • 2006
  • The objective of this research is to select the most effective technique from task related techniques(motion & time study, job redesign, physical environment improvement) for improving work efficiency in shipbuilding enterprise. This study consists of several principal steps. The first step is to design critical criteria in evaluating work efficiency in shipbuilding enterprises. The second step is to develop sub-criteria of the critical criteria. The third step is to develop a four level AHP(Analytic Hierarchy Process)structure using the critical criteria, sub-criteria and techniques from task related techniques. The fourth step is to develop the pairwise comparison matrix by each level of AHP structure, which was based on survey data collected at the H heavy industry. And the last step is to select the most effective technique from task related techniques using AHP analysis. The result of AHP analysis has shown clear difference in priority among task related techniques in terms of work efficiency of the shipbuilding enterprise: The reduction of normal time has more importance than the reduction of allowance time, motion & time study techniques are most important for the reduction of normal time, physical environment improvement is most important for the reduction of allowance time as well.

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Derivation of the Safety Management Classification System for Modular Construction through Case Study (사례분석을 통한 모듈러 건축의 현장 안전관리 분류체계(안) 도출)

  • Jun, Young-HUN;Kim, Kyoon-Tai;Jeon, Eun-Bi
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2020.11a
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    • pp.173-174
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    • 2020
  • In modular construction, safety management is required to prevent the occurrence of risk factors such as lifting work and high place work due to the characteristics of the construction method. Therefore, this study is a basic study for safety management of modular construction, and the purpose of this study is to compare and analyze the classification system of modular construction derived by analyzing the construction process of the existing case. Based on the results of this study, the safety management classification system will be used in future research to derive safety management factors in modular construction.

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A Study on the Cost Estimating Method based on Spatial Unit Focused on Improving Limitation Caused by Lack of Spatial Information of the Cost Based on Work Type (공간단위 공사비 산정방법에 관한 연구 - 공종별 공사비의 공간정보 부재로 인한 한계점 개선을 중심으로 -)

  • Lee, Ki-Sang
    • Korean Journal of Construction Engineering and Management
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    • v.12 no.3
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    • pp.131-139
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    • 2011
  • In this Study, the Cost of Public Facility Construction in the VE Cost Model, and the Progress of the Construction Site Management, and Cost due to the Lack of Cpatial Information in Dispute Cost Work Type Recognize the limits of Historical Information, and to Overcome the Perception of Cost and Space Systems Unit In the Process of Transition that Began Seeking Ways to Improve Through this Study, Different Parts of the Proposed Area of Construction Work Unit System, the Core of Calculating Hourly and Detailed Engineering Information and Cost Information Generated Extension to Configure the Construction Unit in Every Space, Every Work Unit System, All Materials That Make Up Work Unit System, Unit Labor Costs, And All of the Configuration Items Enables Precise And Multidimensional Understanding is That.

A Hybrid Approach to Statistical Process Control

  • Giorgio, Massimiliano;Staiano, Michele
    • International Journal of Quality Innovation
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    • v.5 no.1
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    • pp.52-67
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    • 2004
  • Successful implementation of statistical process control techniques requires for operational definitions and precise measurements. Nevertheless, very often analysts can dispose of process data available only by linguistic terms, that would be a waste to neglect just because of their intrinsic vagueness. Thus a hybrid approach, which integrates fuzzy set theory and common statistical tools, sounds useful in order to improve effectiveness of statistical process control in such a case. In this work, a fuzzy approach is adopted to manage linguistic information, and the use of a Chi-squared control chart is proposed to monitor process performance.

정보통신표준화분야 우선순위결정을 위한 방법론 연구

  • 박기식;구경철;서의호
    • Korean Management Science Review
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    • v.11 no.3
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    • pp.129-151
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    • 1994
  • This paper focuses on method of setting priorities for telecommunications Standardization in which usually includes prioritization, resource allocation, standardization schedule for each SWA is based on prioritization of SWAs. We mainly used the Analytic Hierarchy Process(AHP) and a modified Delphi technique as a method for planning process. Recently, rapid technology evolution in telecommunications fields increases the necessity of developing more and more new standards. Also increased complexity of technologies makes standards more complicated, more specified and more thick than the past ones. As a result, the number of SWAa(Standardization Work Areas) and SWIs(Standardization Work Iterms) is being increased continuously. Furthermore, rapid telecommunication environment changes such as deregulation, liberalization, privatization, regionalization, and globalization surrounding telecommunications standardization grows increasingly important. To cope with these challenges and to make the more efficient use of the limited standardization resources, i.e., time, financial, personal resources, we will suggest logical and rational approach that is a backbone of strategic plan for telecommunication standardization. The telecommunication standardization planning process involves a MCDM(Multi-Criteria Decision Making) process. The Analytic Hierarchy Process(AHP) is a kind of MCDM approach. Our method is based on a combination of a modified Delphi technique and an application of AHP(spreadsheet model). Analyzed data from Delphi technique is used as inputs to AHP. In addition we also focus on the technique how to combine group judgments and to handle a large number of comparisons.

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A study on Manufacturing's capabilities and business performance of Manufacturings strategies (제조전략(製造戰略)에서 생산능력요인(生産能力要因)과 사업성과(事業成果)에 대한 연구(硏究))

  • Song Jai-Myuing
    • Management & Information Systems Review
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    • v.1
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    • pp.363-399
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    • 1997
  • Research in operations strategy has evolved considerably since Wickham Skinner's early conceptual work. Traditionally research in operations strategy has not explicitly recognized the distinction between process and content research. However, separate conceptual models for process and content are extracted from the literature Recent research in operations strategy has focused on showing the extent to which manufacturing's competence in developing and executing one or more competitive capabilites affects the organization's overall business performance. This paper takes a approach to examining the relationships among competitive capabilities, and the relationships among between those capabilities and business performance.

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