• Title/Summary/Keyword: long-term repair plan

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Comparison of Predicted Maintenance Costs and Actual Maintenance Cost of Military Facilities - Focused on BTL Project - (병영 시설물 수선유지비용 예산대비 실투입 비교에 관한 연구 - BTL사업 중심으로 -)

  • Lee, Don-Soo;Kim, Gwang-Hee
    • Journal of the Korea Institute of Building Construction
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    • v.17 no.5
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    • pp.473-481
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    • 2017
  • With the barracks modernization project, the Ministry of National Defense has been operating 60 projects of the 75 that have been announced. It was difficult to investigate and analyze the data in the past because data could not be obtained while it was much easier to do that since data can be obtained from private companies. With the aim of increasing the usability of the facilities, the objective of this study is to present a reasonable alternative for repair and maintenance costs by investigating and analyzing the budget and the actual expenses of repair and maintenance of military facilities for the past 3 to 5 years, and then identifying the problems with these. To accomplish this, a theoretical review of previous studies and legal grounds related to repair and maintenance costs was performed, and data on the estimates and the actual expenses data used in BTL projects carried out by private companies were analyzed. First, one of the problems was that there are some items omitted, including consumables, and these items should be included in order to secure their budget. Second, in terms of the items for divided payments, two improvements had been presented: a short-term payment plan for the operation period of 3 to 5 years and a long-term payment plan for an additional and complemented period other than the operation period. The repair and maintenance costs should be further studied at the point of time in a future when the actual data on the costs and operation period of military facilities can be secured. This study is expected to serve as empirical data that will form the basis for a reasonable calculation of the construction cost for military facilities.

The policy issues for the apartment remodeling projects (공동주택 리모델링 정책의 현황과 개선방향)

  • Yoon Young-Sun
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.42-45
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    • 2002
  • Building remodeling concept includes maintenance & repair and renovation. We have long-term repair plan and special repair fund system for the apartment maintenance & repair, but they do not operate well. And laws and ordinances are being revised in relation with renovation. However, more policy improvement and assistance are needed in order to activate the apartment remodeling project. Especially preferential loan and tax reduction policy and deregulation of building provisions are the main tasks for the apartment remodeling.

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A Study on the Service life of the Building Components in the Apartment Housing (공동주택 구성재의 내용년수 산정방법에 관한 연구)

  • Lee Kang-Hee;Chang Jung-Hee;Chae Chang-U
    • Journal of the Korean housing association
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    • v.16 no.5
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    • pp.67-74
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    • 2005
  • The performance of building should be deteriorated with time while the building would maintain and manage the function and performance to get a living condition. For the efficient maintenance of the building, the repair cycle would be provided and applied during the service-life time. The service-life time of the building components would be needed to determine the repair time and the repair scope. The service-life time of the building components would be calculated with the 1st repair time and the recovery rate of the performance, considering the recovery rate after repaired. In this paper, the 1st repair time would be estimated with the normal probability distribution, choice probability and 3rd quadratic function. The recovery rate of the building components assumes various level according to the research target and utility area. The results of this study are as follows ; first, most of the components of the building work would range about 30 years in the service-life time and the components of the mechanical works range from 28 years to 37 years, those of the electrical works would be about 31 years.

Estimation and Adjustment Model Considering Time Value of Money for Long-Term Maintenance Cost of Apartment House (시간적 가치를 고려한 공동주택 장기수선충당금 산정 및 조정 모델)

  • Koo, Seonkeun;Kim, Jonghyeob;Jun, Inyeong;Kim, Yeongjin;Yoon, Yousang;Hyun, Changtaek
    • Korean Journal of Construction Engineering and Management
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    • v.18 no.3
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    • pp.12-21
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    • 2017
  • From 1960, the government decided to build apartment houses on a large scale in order to resolve the rising housing problems. However, the maintenance issues that have arisen from the deterioration of housing has not received adequate attention. The policy focuses only on the supply of housing. By passing new laws, the durable period during which buildings allowed reconstruction was increased, and long term maintenance plans were treated as important issues. The government was then obligated to establish certain long term maintenance plans and costs by legislating a Housing Act and requiring it be adjusted every three years. However, when planning long-term repair costs, doing so without considering the time value of money would become a problem. In addition, if differences between the planned repair costs and actual costs occur, it becomes necessary to adjust the long-term repair costs but, as of yet, the criteria to adjust such things does not exist. For these reasons, if there is lack of money to execute large-scale repair work, a building is unlikely to respond to deterioration of housing; on the other hand, an unnecessary reserve or pool of money can lead to conflict among residents. Therefore, this paper will propose estimation and adjustment models considering the time value of money for long term maintenance costs of apartment houses.

A Study on the Investigation Technique for Deterioration State of Window·Door and Tile of Apartment Houses (공동주택 창호 및 타일의 열화상태 조사기법에 관한 연구)

  • Lee, Jung-Hun;Bae, Kee-Sun;Lee, Seong-Bok;Oh, Sang-Keun;Choi, Soo-Kyung;Seo, Chi-Ho
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2011.05a
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    • pp.27-30
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    • 2011
  • Analysis data of basics which are used for LCC(Life Cycle Cost) analysis of buildings and maintenance plan, are demanded to secure according as replacement cycle of repairs of apartment houses has come. However, investigation techniques and systems for investigating condition of deterioration of apartment houses, have not been made yet in Korea. For this reason, this study was wanted to make investigation techniques and systems, so the process for maintenance of apartment houses was researched and the required quality and deterioration factors of interior/exterior materials were investigated. As a result Check-List for investigating condition of deterioration, was made. if this is used during a nonscheduled, a routine, a regular and a urgency check, the methodical investigation will be achieved. Furthermore, if this is used for maintenance of apartment houses, it will be helped to select the repair cycle and the long-term repair plan.

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Chronic Lateral Ankle Instability (만성 외측 발목 불안정)

  • Kim, Dae-Wook;Sung, Ki-Sun
    • Journal of Korean Foot and Ankle Society
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    • v.22 no.2
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    • pp.55-61
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    • 2018
  • Chronic lateral ankle instability is a major complication of acute ankle sprains, which can cause discomfort in both daily and sports activity. In addition, it may result in degenerative changes to the ankle joint in the long term. An accurate diagnostic approach and successful treatment plan can be established based on a comprehensive understanding of the concept of functional and mechanical instability. The patients' history and correct physical examination would be the first and most important step. The hindfoot alignment, competence of the lateral ligaments, and proprioceptive function should be evaluated. Additional information can be gathered using standard and stress radiographs. In addition, concomitant pathologic conditions can be investigated by magnetic resonance imaging. Conservative rehabilitation composed of the range of motion, muscle strengthening, and proprioceptive exercise is the main treatment for functional instability and mechanical instability. Regarding the mechanical instability, surgical treatment can be considered for irresponsible patients after a sufficient period of rehabilitation. Anatomic repair (modified $Brostr{\ddot{o}}m$ operation) is regarded as the gold standard procedure. In cases with poor prognostic factors, an anatomical reconstruction or additional procedures can be chosen. For combined intra-articular pathologies, arthroscopic procedures should be conducted, and arthroscopic lateral ligament repair has recently been introduced. Regarding the postoperative management, early functional rehabilitation with short term immobilization is recommended.

An Experimental Study on the Non-Exposure Composite Waterproofing Method used Adhesion Liquid and Sheet Integrate Waterproofing Material (점착형 도막.시트 일체형 방수재를 이용한 비노출용 복합 방수공법에 관한 실험적 연구)

  • Kim, Jin-Sung;Seon, Yun-Suk;Park, Jin-Sang;Oh, Sang-Keun
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2007.04a
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    • pp.125-128
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    • 2007
  • The problem of water leakage due to damaging waterproof in concrete structure, causes the impediment in a long term and shortened the life span of durability. There are a lot of techniques for repair and reinforcement to improve using environment. However, the improper construction which is unconsidered various environmental conditions, could effect to increase the maintenance expenses. Therefore, this study will be compared and estimated the adhesion liquid and sheet integrate waterproofing material, as analyzing the existing problem. For those result, we would like to arrange the alterative plan for the long durability and user needs of concrete structure.

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A Study on the Policy Characteristics and the Activation Support System of Remodeling Apartment complexes in Japan (일본의 단지형 공동주택 리모델링 정책특성 및 활성화 지원제도에 관한 연구)

  • KIM, Ju Hee;KIM, Dong Woo;KIM, Yong;Oh, Se-gyu
    • Journal of the Regional Association of Architectural Institute of Korea
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    • v.20 no.6
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    • pp.121-129
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    • 2018
  • The present study analyzed what policies are being executed for deteriorated apartments in Japan and what characteristics each policy had in order to examine policy direction and implications for the improvement of vitalization of remodeling business of deteriorated apartments in Korea. The study results are as follows. Japan recognized social problems of deteriorated apartments and pushed forward a national level remodeling actively by preparing financial support of central government and supporting plan by city and province. First, Japan maintained initial performance of buildings through phased maintenance for deterioration of buildings and aimed to reduce environmental load and maintain asset values of buildings through enlarging durability of buildings by responding to lifestyle according to social changes. To this end, they promoted the long life of buildings through the establishment of systematic long term repair plan from the stage of moving in the buildings. Second, in order to reduce the risk of remodeling projects, they prepared an environment where business could be carried out with an easy mind in various aspects by introducing remodeling business registration system and large scale repair construction defect insurance system. Third, they reduced economic burden of main agents of remodeling business with tax preferential treatment and financial support policies. Fourth, they have established remodeling support system based on overall social issues and connected it with social effect that could be obtained through this. The remodeling policies of Japan were carried out in the direction of solving social problems and considering economic aspect rather than just improving individuals' residence environment.

Vegetation Structures Analysis and Management Plan Proposal for Seokseong Fortress in Buyeo-Gun (부여 석성산성의 식생 구조 및 관리 방안)

  • Yee, Sun;Lee, Donghyuk;Lee, Jihye;Song, Hokyung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.12 no.4
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    • pp.23-33
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    • 2009
  • Vegetation structure of Seokseong fortress in Buyeo-Gun was investigated to suggest a desirable management proposal. Communities by phytosociological method were classified into Pinus rigida-Pinus densiflora community and Quercus variabilis community. The importance value of Pinus rigida, Pinus densiflora, Quercus variabilis, Pinus thunbergii, and Quercus acutissima were 127.06, 70.29, 69.63, 12.39 and 8.57. According to breast diameter analysis results, it is expected that the importance value of Pinus rigida, Pinus densiflora, and Quercus variabilis will be continuously increased. It should be prepared that vegetation management plan over the castle wall should be considered before the repair or restoration of castle wall. Vegetation management around castle wall should be carried out according to the mid or long-term plan and it would be needed to consider the gradual changes from planted Pinus rigida to the historical vegetation of Pinus densiflora.

Vegetation Structures Analysis and Management Plan Proposal for the Sungheung Fortress in Buyeo-the Old city of Baekje (백제의 고도(古都) 부여 성흥산성(聖興山城)의 식생구조 및 관리방안)

  • Yee, Sun;Song, Ho-Kyung
    • Journal of the Korean Society of Environmental Restoration Technology
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    • v.14 no.3
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    • pp.85-100
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    • 2011
  • Vegetation structure of Sungheung fortress in Buyeo was investigated to suggest a desirable management proposal. Forset communities by phytosociological method were classified into Pinus densiflora community, Quercus serrata community and Quercus aliena community. The importance value of Pinus densiflora, Quercus aliena, Quercus serrata, Quercus variabilis, Castanea crenata, Styrax japonica, Quercus acutissima and Prunus sargentii were 34.81, 13.57, 12.63, 6.73, 6.40, 4.70, 4.54 and 3.65. According to breast diameter analysis results, it is expected that the importance value of Pinus densiflora and Quercus spec. will be continuosly increased. It should be prepared that vegetation management plan over the castle wall should be considered before the repair or restoration of castle wall. Vegetation management around castle wall should be carried out according to the mid or long-term plan and it would be needed to consider the gradual changes from planted Pinus rigida to the historical vegetation of Pinus densiflora.