• Title/Summary/Keyword: projects

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Appraising the Performance of Construction Projects during Implementation in Kenya, 1963-2018: A Literature Review Perspective

  • Ong'ondo, Cyrus Babu;Gwaya, Abednego Oswald;Masu, Sylvester
    • Journal of Construction Engineering and Project Management
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    • v.9 no.2
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    • pp.1-24
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    • 2019
  • Poor project performance has been noted as the bane in the construction industry globally. This paper sought to investigate, by way of literature, the performance patterns of construction projects in Kenya since independence (1963-2018). This was informed by reports of undesirable project performance in the industry. This descriptive study used available studies previously done in this subject area. In sum, literature is replete with evidence on a myriad of challenges facing the execution of projects. The study established that generally, the project performance is poor and has assumed a chronic trajectory spanning over five decades. On average, the findings reveal that 35-60% of projects initiated in Kenya face cost overruns while time overrun is most severe with 35-73% projects overrunning their schedule. In addition, the findings problematize the issue of plurality of performance measurement regimes in the construction industry. Here, it was observed that no singular construct exists to objectively measure the various facets that constitute the 'health' of a project. This paper has contributed to the body of knowledge by examining the performance patterns in Kenya for over fifty years while at the same time identifying the bottlenecks inherent in projects execution. Importantly, the conceptual performance efficiency framework derived in the current study presents a paradigm shift in the monitoring and evaluation of projects. To this end, an in-depth analysis is recommended on the interaction of efficiency enablers in the buildup of performance efficiency index (PEI). Similarly, a further inquiry is recommended on the integration and impact of the proposed framework in the management of projects.

Analyzing the Potential of Offset Credits in the Korean Emission Trading Scheme Focusing on Clean Development Mechanism Projects (CDM사업을 대상으로 한 국내 온실가스 상쇄배출권의 잠재량 산정 및 정책 제언)

  • Kim, Woori;Son, Yowhan;Lee, Woo-Kyun;Cho, Yongsung
    • Journal of Climate Change Research
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    • v.9 no.4
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    • pp.453-460
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    • 2018
  • The purpose of this study is to analyze the potential quantity of Korean Offset Credits (KOC) resulting from Certified Emission Reductions (CER) in 98 domestic Clean Development Mechanism (CDM) projects that were registered with the United Nations Framework Convention on Climate Change (UNFCCC) as of the end of 2016. Our results show that the total amount of potential KOC is 62,774 kt CO2eq. The potential KOC is only 23.4% of the total CER Issuance. During the first phase, this will be 3.2% of the allocated volume. This is because many projects are related to Renewable Portfolio Standard (RPS), HFC-23, and adipic acid N2O. There is a strong bias in some sectors and projects which could act as market distortion factors. Therefore, it is necessary to expand the target CDM project and activate non CDM offset projects. RPS projects bring fundamental changes to the energy sector, and it is worth reconsidering their acceptability. A wide variety of policy incentives are needed to address strong biases toward certain sectors and projects. The offset scheme has the advantage of allowing entities to reduce their GHG emissions cost effectively through a market mechanism as well as enabling more entities to participate in GHG reduction efforts both directly and indirectly. In contrast, having an inadequate offset scheme range and size might decrease the effort on GHG reduction or concentrate available resources on specific projects. As such, it is of paramount importance to design and operate the offset scheme in such a way that it reflects the situation of the country.

An Analysis on the Prospects and Realities of Local Governments' Project Promotions according to the Changes in Financial Policy of Agricultural Infrastructure Improvement Projects (농업기반정비사업의 재정정책변화에 따른 지방자치단체의 사업추진 전망 및 실태 분석)

  • Bae, Seung-Jong;Kim, Dae-Sik;Kim, Soo-Jin;Kim, Seong-Pil
    • Journal of The Korean Society of Agricultural Engineers
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    • v.61 no.5
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    • pp.49-55
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    • 2019
  • This study attempted to investigate the changes in the perception of local government officials about agricultural infrastructure improvement projects due to the financial policy changes. A total of 141 local government officials were surveyed on the priority, the current status of the agricultural infrastructure improvement projects. Irrigation facilities renovation project and Small drainage improvement project had generally high priority, while Support project of cultivation basis for upland crops in paddy, Large scale land readjustment project, and Upland infrastructure improvement project had low priorities. After the introduction of the block grant system, agricultural infrastructure improvement projects had often been conducted by collecting opinions from local residents. The officials in charge of local governments recognized that the agricultural infrastructure improvement projects were reduced due to lack of financial resources and project potential sites. In response to the changes in the agricultural infrastructure improvement projects, most of the surveys showed that the influence of cities and provinces was strengthened. In addition, respondents most needed to improve the subsidy rate and there were a large number of cases requiring differential support to meet the characteristics of the local government. Therefore, it will be necessary to present a new perspective on the agricultural infrastructure improvement projects and to suggest differentiated projects for each regions.

A Case Study on the Prevention of Construction Delays Using the Delay Management Index in Program Level Construction Projects (프로그램 수준 건설사업에서 지연관리지수(Delay Management Index)를 활용한 공사지연 예방 사례연구)

  • Yu, Jun-Hyeok;Kim, Ok-Kyue
    • Journal of the Korea Institute of Building Construction
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    • v.21 no.4
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    • pp.347-359
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    • 2021
  • Recently, construction projects have emerged in the form of program management, which is complicated by the large-scale of construction, and requires astronomical construction costs. In particular, projects that absolutely require management at the program level, such as large-scale construction projects, require overall control of the planned schedule and cost as a set of various projects, including infrastructure. But in Korea, there is no specific management standard for delays in construction. In order to avoid the risk of cost increase and project delay in the program-level construction project, it is necessary to apply more systematic management standards to prevent delay and to take a more preemptive response in the construction process. Therefore, in this study, a delay management index (DMI) was developed to successfully carry out large-scale construction projects at the program level and prevent delays in advance. In addition, case studies were conducted for large-scale construction projects, and a delay prevention system was established for program-level construction projects.

Key success factors for implementing modular integrated construction projects - A literature mining approach

  • Wuni, Ibrahim Yahaya;Shen, Geoffrey Qiping
    • International conference on construction engineering and project management
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    • 2020.12a
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    • pp.343-352
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    • 2020
  • Modular integrated construction (MiC) is an innovative construction method where components of a building are manufactured in an offsite factory, trucked to the job site in sections, set in place with cranes, and assembled together to form a whole building. Where circumstances merit, favorable conditions exist and implemented effectively; MiC improves project performance. However, several key factors need to converge during implementation to realize the full benefits of MiC. Thus, a thorough understanding of the factors which are critical to the success of MiC projects is imperative. Drawing on a systematic review of 47 empirical studies, this research identified 25 key success factors (KSFs) for MiC projects. Of these, the five topmost cited KSFs for MiC projects include effective working collaboration and communication among project participants; standardization, optimization, automation and benchmarking of best practices; effective supply chain management; early design freeze and completion; and efficient procurement method and contracting. The study further proposed a conceptual model of the KSFs, highlighting the interdependences of people, processes, and technology-related KSFs for the effective accomplishment of MiC projects. The set of KSFs is practically relevant as they constitute a checklist of items for management to address and deal with during the planning and execution of MiC projects. They also provide a useful basis for future empirical studies tailored towards measuring the performance and success of MiC projects. MiC project participants and stakeholders will find this research useful in reducing failure risks and achieving more desired performance outcomes. One potential impact of the study is that it may inform, guide, and improve the successful implementation of MiC projects in the construction industry. However, the rigor of the analysis and relative importance ranking of the KSFs were limited due to the absence of data.

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Development of Standard Agreement for a School Complex Project (학교시설 복합화를 위한 표준협약서 개발)

  • Park, Sung-Chul;Park, Hee-Won;Jung, Tae-Hwan
    • The Journal of Sustainable Design and Educational Environment Research
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    • v.13 no.2
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    • pp.1-12
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    • 2014
  • A school building complex means building both the learning spaces of students and convenience space of community within school lands. The projects have has a positive effect on saving the national budget as well as expanding the learning spaces. The absence of standard agreement contracted through discussion of participants, however, has made many problems in the operated projects. Through analysis on the previous researches and conference, the paper finds main problems discussed in the operating step. And, the feasibility study is carried out in order to analyze the appropriateness of on the existing agreements on the problems. Finally, the paper presents the standard agreement for the school building complex projects. The practitioners can prevent the existing problems from new projects through using the proposed agreement. Furthermore, it is expected that the school building complex projects will be activated.

Development of a Descriptive Cost Effectiveness Model for a Subcontractor with Limited Resources

  • Kim, Dae Young
    • Journal of KIBIM
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    • v.7 no.3
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    • pp.40-48
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    • 2017
  • It only takes one failed project to wipe out an entire year's profit, when the projects are not managed efficiently. Additionally, escalating costs of materials and a competitive local construction market make subcontractors a challenge. Subcontractors have finite resources that should be allocated simultaneously across many projects in a dynamic manner. Significant scheduling problems are posed by concurrent multi-projects with limited resources. The objective of this thesis is to identify the effect of productivity changes on the total cost resulting from shifting crews across projects using a descriptive model. To effectively achieve the objective, this study has developed a descriptive cost model for a subcontractor with multi-resources and multi-projects. The model was designed for a subcontractor to use as a decision-making tool for resources allocation and scheduling. The model identified several factors affecting productivity. Moreover, when the model was tested using hypothetical data, it produced some effective combinations of resource allocation with associated total costs. Furthermore, a subcontractor minimizes total costs by balancing overtime costs, tardiness penalties, and incentive bonus, while satisfying available processing time constraints.

A Study on the Development of PMO Cost Estimation Model (PMO 대가 산정모형의 개발)

  • Seo, Yong Won;Lee, Duck Hee
    • Journal of Information Technology Services
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    • v.13 no.4
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    • pp.169-188
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    • 2014
  • Recently the complexity and difficulty of the IT projects are increasing due to technological and environmental risks, resulting in the adoption of PMO(Project Management Office) onto IT project management practices, including public area projects. For example, the Korean government regulated the application of PMO onto large scale public IT projects. However, since there has been no reliable method to estimate the cost to execute PMOs, a PMO cost evaluation model to support the budget and cost planning of PMO projects is required. Thus, the purpose of this research is to develop a systematic cost evaluation model for PMO projects. We identified the dimensions that determine the PMO execution cost to be the scale of the subject project, the technical difficulty level of the subject project, and the tasks to be executed in the PMO project. Based on the determinants, the PMO execution cost model were developed from historical data and experts opinion. Upon verification, the validity of the developed model has high level of consistency compared with their experiences of real PMO project costs.

Development of Proteomics and Applications of Proteomics in Toxicology

  • Jung, Woon-Won;Huh, Yoon-Ee;Ryu, Jae-Chun;Lee, Eun-Il;Sul, Dong-Geun
    • Molecular & Cellular Toxicology
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    • v.1 no.1
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    • pp.7-12
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    • 2005
  • Proteomics has recently received intense scientific interest after the completion of the Human Genome Project, because this genome-based high technology allows to search new drug targets or diagnostic markers. Many proteome projects including Human plasma proteome projects (HPPP), Human liver proteome projects (HLPP), Human brain proteome projects (HBPP), and Mouse and Rat Proteome Project (MRPP) have been carried out and proteomic analytical techniques have been developed in second dimensional electrophoresis (2-DE) and LC/MS system. This powerful method has been applied in toxicology producing a new term "Toxicoproteomics". In this review, recent proteome projects, proteomic technologies, and toxicoproteomics will be discussed.