• 제목/요약/키워드: Equipment Procurement

검색결과 61건 처리시간 0.034초

THE MECHANICAL DESIGN AND CONSTRUCTION OF A TRUCK MOUNTED SCATTEROMETER SYSTEM

  • Aziz, H.;Mahmood, N.N.;Ali, A.;Ibrahim, N.;Ahmad, Z.;Mahmood, K.A.;Jamil, H.;Brevern, P.V.;Koo, V.C.;Sing, L.K.
    • 대한원격탐사학회:학술대회논문집
    • /
    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
    • /
    • pp.1009-1011
    • /
    • 2003
  • The procurement of mobile microwave scatterometer involve the consideration to ensure vehicle and equipment selection full-filled technical requirement and safety standard in Malaysia. Designing, and modification works involve engineering methodology in determining and selecting a suitable hydraulic telescopic boom that suit a selected vehicle available from the market. The vehicle is also a delivery system for microwave remote sensing equipment and other accessories to any locations in Malaysia. Total loading to be carried by the vehicle is about 4500 kg and its overall weight must be 16,000 kg as recommended by hydraulic telescopic boom manufacturers. The telescopic boom will elevate microwave scatterometer system and antenna to a maximum height of 27 m, and can also be rotated through 360$^{\circ}$. A mechanism is incorporated in the system to enable tracking or monitoring angular movement of the hydraulic telescopic boom when positioned towards required target.

  • PDF

GPS/INS에 의한 항공사진측량의 블럭조정 (Block Adjustment with GPS/INS in Aerial Photogrammetry)

  • 송연경;박운용;이재원;김정희
    • 한국측량학회:학술대회논문집
    • /
    • 한국측량학회 2004년도 춘계학술발표회논문집
    • /
    • pp.39-44
    • /
    • 2004
  • In this thesis, two test flights were conducted in Gwacheon and Suwon area to evaluate the performance of accuracy and efficiency through the analysis of results among the three photogrammetric methods, that is, traditional photogrammetry, GPS -Photogrammetry and GPS/INS-Photogrammetry. Test results shows that a large variety of advantages of GPS-Photogrammetry and GPS/INS-Photogrammetry against traditional photogrammetry is to be verified. Especially, the number of ground control points for the exterior orientation could be saved more than 70-80%, and the cost for map production 30-50%, respectively. In addition, it was convinced that the large reduction of control points has not any effect on the block accuracy. It was also proved that the number of required ground control points for GPS/INS-Photogrammetry, is similar to that of GPS-Photogrammetry. Therefore it should be noted that GPS -Photogrammetry is more efficient in the aspect of reduction of mapping cost against GPS/INS-Photogrammetry, installing only an existing GPS receiver on survey aircraft to avoid high economic burden of procurement for integrated GPS/INS equipment.

  • PDF

선박 배관 설계를 위한 Enterprise BOM의 설계와 구현 (An Implementation Enterprise BOM for Marine Vessel of Pipe Equipment)

  • 김승현;이장현;김광식;전정익
    • 한국CDE학회논문집
    • /
    • 제16권1호
    • /
    • pp.41-51
    • /
    • 2011
  • Both enterprise information systems and CAD utilizes the BOM (Bill of Material) as the means of collaborative integration during the product design and production since the BOM has been commonly used for design, production planning, procurement, and production works. Therefore, BOM can be the referential data when it expresses not only the part lists but also product information required by product development process. Outfitting design is one of major design works in marine vessel design since marine vessels have various outfitting systems and huge number of parts. Also, the outfitting BOM has the evolutional forms that change from the initial design to the production design. In order to express the product information and part list in the enterprise BOM and the evolutional BOMs in each lifecycle, enterprise BOM of outfitting that consists of structure BOM and display BOM is suggested. Thereafter, we have developed the prototype of enterprise BOM in which some features of the outfitting BOM are implemented.

원전 건설공사를 위한 공급망관리체계 적용방안에 대한 기초연구 (A Fundamental Research for Adaptation Method of SCM in Korean Nuclear Power Plant Construction)

  • 박항순;원서경
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2012년도 추계 학술논문 발표대회
    • /
    • pp.229-231
    • /
    • 2012
  • The supply chain in plant construction project can be defined as a network combined between elements which is engineering, procurement, construction, start-up. For successfully leading construction project, close relation and mutual cooperation should be preceded and Supply Chain Management(SCM) system is needed to improve the relation. In particular, because safety is a top priority for the companies work in the construction of Nuclear Power Plant(NPP), it is necessary to control all parties realated with NPP construction systematically. In this situation, it is important to purchase high-quality equipment in timely manner by developing Integrated cooperative systems. Therefore, this study aimed to propose developing solutions of SCM such as JIT and Envelop Design system, which can reduces difficulties of decision making between the parties involved in the project and will increase the efficiency of the engineering process in NPP.

  • PDF

위탁급식 업체의 품질 관리기준의 수행평가 (The Evaluation of Quality Management standards for Contract Foodservice Company)

  • 한경수;이소영;서경미
    • 한국식품조리과학회지
    • /
    • 제18권4호
    • /
    • pp.426-432
    • /
    • 2002
  • The purpose of the study was to identify the standards of quality management in contract foodservice companies. The subject companies were selected by convenient sampling and surveyed for their standards. The questionnaire consisted of 7 categories: managements of food procurement, menu, production, personnel, equipment, information system, and solid waste. As a result of the study, 60% of the respondents appeared to use standard recipes, 51.5% of them spent 21-30% of the total cost as a labor cost, and 70% were reluctant to answer the food cost. The half of the respondents had job description and specification, 74.76% had training manuals on foodservice and computer software program, and 80.6% had a training program for solid waste management.

초대형 건축물의 PC부재 양중작업 사례연구 (Case Study of Precast Concrete Erection Work of the Heavy-Loaded Long Span Structure)

  • 조원현;나영주;김선국
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2016년도 춘계 학술논문 발표대회
    • /
    • pp.58-59
    • /
    • 2016
  • Along with the logistics development, heavy-loaded warehouses and sales facilities tend to be bigger and designed as a PC structures. PC erection work of heavy-loaded structures is influenced by various factors, including the required construction duration, site and surrounding situations, safety, PC member procurement, equipment rental cost, which ultimately impact the construction cost. It requires creative efforts and a lot of time when preparing an erection plan in consideration of these factors, and the plan prepared has a great influence on safety as well as the construction duration and cost. However, many engineers do not have enough experiences on PC erection work of heavy-loaded, long span structures, making it difficult for them to set erection plans and establish simulations. The study's results will provide a knowledge to obtain a solution for engineers to establish PC erection plans of heavy-loaded, long span structures.

  • PDF

Reliability Design Based on System Performance-Cost Trade-off for Manufacturing facility

  • Hwang, Heung-Suk;Hwang, Gyu-Wan
    • International Journal of Reliability and Applications
    • /
    • 제2권4호
    • /
    • pp.269-280
    • /
    • 2001
  • The objective of this paper is to provide a model for effective implementation of costing RAM management in the design and procurement of production facility considering the system cost-performance trade-off. This research proposes a two-step approach of costing RAM design and test of system RAM for production facility. In Step 1, a static model is proposed to find an initial system configuration to meet the required performance based on system RAM and LCC and analyzes the trade-off relationships between various factors of RAM and LCC. In the second Step, we developed time and failure truncated models for system reliability test and analysis. For the computational purpose, we developed computer programs and have shown the sample results. By the sample test run, the proposed model has shown the possibilities to provide a good method to analyze system performance evaluation for both design and operational phase, This model can be applied to a wide variety of systems not only for costing RAM of the production facilities but also for the other kinds of equipment.

  • PDF

건설 현장 강행공사 방지가 인적사고에 미치는 영향에 관한 연구 (A study on effects of the prevention of rush work of construction sites on human accidents)

  • 이성일;강경식
    • 대한안전경영과학회지
    • /
    • 제19권1호
    • /
    • pp.27-37
    • /
    • 2017
  • In the construction sites, rush (speedy construction) work have recently been overused because of budget reductions by reducing the construction duration after the long-term economic recession and construction business stagnation with institutional change including the instruction of the duration shortening bidding system and the introduction of the post-construction sales system by the Korea Research Institute for Human Settlements. Due to this, negligent accidents have frequently occurred by forcing manpower, equipment, finance, and material procurement and pressing ahead with impractical construction wok at night according to the reduction of construction schedules. Therefore, this paper has the necessity of this study to seek for alternatives to prevent negligent accidents by finding factors related to rush work in the reality that the importance for preventing negligent accidents is more emphasized while they have not been reduced in construction sites.

원자력발전소 전기기기의 보수, 교체 방법론 (Repair and Replacement Methodology for Electrical Equipment Used in Nuclear Power Plants)

  • 박철희;박완규;이만복;김춘삼
    • 전력전자학회:학술대회논문집
    • /
    • 전력전자학회 2018년도 전력전자학술대회
    • /
    • pp.177-179
    • /
    • 2018
  • After Fukushima nuclear accident at 2011, nuclear industrial has been focused on operation and maintenance phase, not design and construction phase. Continued good operating performance of nuclear power plants has been the best critical issue to nuclear utilities. Replacement for complete components as well as parts of components is being procured because nuclear utilities must maintain safety and reliability of operating nuclear power plants. However, many suppliers and manufacturers are giving up a nuclear quality assurance program under reduction in new construction of nuclear power plants. It is able to be increased difficulty in procuring spare parts to support operations and maintenance of nuclear power plants. Over 20% of nuclear power plant equipment in some countries is obsolete. Owing to obsolescence of nuclear safety-related items and/or withdrawing a nuclear quality assurance program of suppliers and manufactures, some replacement item and part might be procured to the item not covered by appendix B to USNRC 10 CFR Part 50. Under various methods of the nuclear repair and replacement methodology, utilities are supposed to establish a typical program for a repair and replacement of an electrical equipment and its parts in conjunction with a nuclear quality assurance. Concerning this typical program, this study suggests the repair and replacement methodology of electrical equipments used in nuclear power plants by procurement of a power supply, based on nuclear regulations, codes, standards, guidelines, specific and general technical information, etc..

  • PDF

보육시설 급식운영관리 실태 조사 (Assessment of Foodservice Management Performance at Child Care Centers)

  • 이미숙;이재연;윤선화
    • 대한지역사회영양학회지
    • /
    • 제11권2호
    • /
    • pp.229-239
    • /
    • 2006
  • This study was carried out to investigate foodservice management practices of 100 child care centers nationwide, and to provide background information for developing foodservice management policies at child care centers. Approximately 20% of the child care centers had a separate dining room; most of the centers were vulnerable to sanitation or safety problems. The percentage of the centers that planned menus was about 60% and 10% established standardized recipes. Fourteen percent of the centers kept records for distribution and menu evaluation and 33% kept sanitation management records. Since only 7% of the centers employed a dietitian, foodservice in most centers were not managed by professionals. The results of menu assessment revealed that 56.5% of the national/public child care centers received 19 points or higher out of 21 points, whereas 5.6% of the private child care centers received the same scores. Proper usage and storage of raw food, sanitary management of equipment and facilities, waste management/leftover food treatment, and basic facility of cooking zones were performed well by many centers. The overall scores of foodservice performance were only 31.2 out of 60 points, representing relatively poor safety management, food procurement management, and facilities and equipment management. These results indicate that the foodservice management of the child care centers are in a relatively poor state. Since nutrition management of the most centers was performed by non-professionals, it may not be possible to provide proper nutrition for health and normal growth of preschool children and to perform efficient nutrition education programs. The following suggestions are strongly recommended in order to improve foodservice performance at child care centers. First, foodservice administration should be performed by a dietitian, and second, efforts should be focused on strengthening nutrition and sanitation management.