scholarly journals Application of last planner system with BIM in construction plan management

2021 ◽  
Vol 10 (1) ◽  
pp. 81
Author(s):  
Wenming Liu ◽  
Hongdong Xie ◽  
Guoping Peng ◽  
Shiping Wang
Keyword(s):  
Production Efficiency ◽  
Positive Impact ◽  
Construction Process ◽  
Last Planner System ◽  
Building Information ◽  
Traditional Construction ◽  
Last Planner ◽  
The Impact ◽  
Plan Management ◽  
Lean Methods

The project team maintains workflow continuity as much as possible to deliver products on time. Nevertheless, poor construction management makes the workflow unstable during the construction process, which leads to the delayed delivery of the building. As different methods to improve production efficiency, Lean Construction and Building Information Modelling (BIM) have a positive impact on the industry. Although many researches have shown the unique advantages of the Last Planner System (LPS) and BIM Technology, the advantages of their integration have not been fully exploited. This paper explores the application of the LPS and BIM in the construction phase through a project that transforms from traditional construction process planning to the use of the LPS. The project results show the impact of the LPS and BIM as lean methods on the project, which can improve the workflow of the construction project by improving efficiency and coordination.  

scholarly journals Improving the Collaboration between Main Contractors and Subcontractors within Traditional Construction Procurement

2013 ◽  
Vol 2013 ◽  
pp. 1-11 ◽  
Author(s):  
Obafemi A. Akintan ◽  
Roy Morledge
Keyword(s):  
Project Delivery ◽  
Construction Process ◽  
Integrated Project Delivery ◽  
Qualitative And Quantitative ◽  
Managerial Competence ◽  
Last Planner System ◽  
Collaborative Working ◽  
Integrated Project ◽  
Traditional Construction ◽  
Last Planner

The inability of subcontractors/specialist contractors to contribute meaningfully to the construction process under the traditional construction procurement hampers the possibilities of improving value on projects and their integration with the rest of the supply chain. In particular, the main contractors and subcontractors in traditional construction procurement projects pursue their self-interests to such an extent that collaborative working has been impossible to achieve. In this research, qualitative and quantitative approaches were used to collect data to explore the problems at the root of the main contractor-subcontractor relationship. Intending to derive innovative ideas to reinvent the delivery process of traditional construction procurement, the principles of integrated project delivery (IPD) and the last planner system (LPS) were studied to seek useful ideas that can be employed to improve collaboration between main contractors and subcontractors. A high point of contention is the debate on the managerial competence of subcontractors; nevertheless, hope is expressed at the possibility of improving collaboration between the main contractor and subcontractor within traditional construction procurement work environment.

scholarly journals Impact of Irrigation Ecology on Rice Production Efficiency in Ghana

2018 ◽  
Vol 2018 ◽  
pp. 1-10 ◽  
Author(s):  
John Kanburi Bidzakin ◽  
Simon C. Fialor ◽  
Dadson Awunyo-Vitor ◽  
Iddrisu Yahaya
Keyword(s):  
Economic Efficiency ◽  
Production Efficiency ◽  
Positive Impact ◽  
Stochastic Frontier ◽  
Allocative Efficiency ◽  
Rice Production ◽  
Cross Sectional ◽  
Rice Farmers ◽  
Effect Regression ◽  
The Impact

Irrigation production is a means by which agricultural production can be increased to meet the growing food demands in the world. This study evaluated the effect of irrigation ecology on farm household technical, allocative, and economic efficiency of smallholder rice farmers. Cross-sectional data was obtained from 350 rice farmers across rain fed and irrigation ecologies. Stochastic frontier analyses are used to estimate the production efficiency and endogenous treatment effect regression model is used to estimate the impact of irrigation ecology on rice production efficiency. The impact of irrigation ecology on technical efficiency is about 0.05, which implies farmers producing under irrigation ecology are more technically efficient in their rice production than those in rain fed production. The impact of irrigation ecology on allocative efficiency is about 0.33, which shows that farmers participating in irrigation farming are more allocatively efficient in their rice production than those in rain fed production. The impact on economic efficiency is about 0.23, meaning that farmers participating in irrigation farming are more economically efficient in their rice production than those in rain fed production. Irrigation ecology has positive impact on production efficiency; hence farmers should be encouraged to produce more under irrigation for increased yield and profit.

scholarly journals New Round of Collective Forest Rights Reform, Forestland Transfer and Household Production Efficiency

Land ◽  
2021 ◽  
Vol 10 (9) ◽  
pp. 988
Author(s):  
Jinna Yu ◽  
Yiming Wei ◽  
Wei Fang ◽  
Zhen Liu ◽  
Yujie Zhang ◽  
...  
Keyword(s):  
Technical Efficiency ◽  
Production Efficiency ◽  
Positive Impact ◽  
Field Investigation ◽  
Jiangxi Province ◽  
Scale Efficiency ◽  
Policy Effects ◽  
Influence Mechanism ◽  
Household Productivity ◽  
The Impact

The purpose of this paper was to analyze the influence mechanism of the new round of Collective Forest Rights Reform (CFRR) on farmers’ production efficiency from the perspective of forestland transfer. Based on the panel data of field investigation in Jiangxi Province, a panel logit model was used to verify whether the new round of CFRR has affected farmers’ forestland circulation behavior. The results showed that the new round of CFRR has played a significant role in promoting forestland circulation. Secondly, the non-parametric DEA method was used to estimate the technical, scale, and comprehensive efficiency of households. DID and panel quantile models were constructed to analyze the impact of forestland inflow policy and forestland outflow policy effects on rural household productivity. The regression results showed that the effect of forestland inflow has had a significantly positive impact on scale and comprehensive efficiency, but it only had a significant effect on technical efficiency in the 0.1 quartile. The effect of forestland outflow was not found to be significant for technical, scale, and comprehensive efficiency, but it was found to be negative for technical efficiency in the 0.75 quartile and negative for scale efficiency in the 0.5 and 0.75 quantiles.

Uncertainty in Project Management Based on Lean Construction Implementation

2011 ◽  
Vol 328-330 ◽  
pp. 194-198 ◽  
Author(s):  
Xin Qiu
Keyword(s):  
Project Management ◽  
Urban Economics ◽  
Project Managers ◽  
Real Estate Industry ◽  
Implementation Success ◽  
Capital Projects ◽  
Last Planner System ◽  
And Performance ◽  
Traditional Construction ◽  
Last Planner

With capital projects consistently running late and over budget in urban economics, it is time to look at project managers could do to step up their implementation success and performance. In real estate industry, China, there are many uncertainties and risks for project management. Lean has been continuously adopted in the construction area as an innovated effort striving to improve productivity and to value clients’ needs. Comparing with traditional construction management, this paper proposes some applications in Lean including Last Planner System (LPS) to identify uncertainties and provide solutions.

scholarly journals BIM-LEAN as a Methodology to Save Execution Costs in Building Construction—An Experience under the Spanish Framework

2020 ◽  
Vol 10 (6) ◽  
pp. 1913 ◽  
Author(s):  
María Dolores Andújar-Montoya ◽  
Antonio Galiano-Garrigós ◽  
Víctor Echarri-Iribarren ◽  
Carlos Rizo-Maestre
Keyword(s):  
Construction Management ◽  
Extensive Literature ◽  
Public Projects ◽  
Execution Costs ◽  
Look Ahead ◽  
Last Planner System ◽  
Building Information ◽  
The Look ◽  
Last Planner

Current market conditions characterized by technological changes, increasing regulatory requirements and low funding make current construction management models obsolete. This tendency affects not only the private housing market but also public administration projects, which have large time and budget deviations across the board. As a result, new approaches are needed to improve the efficiency of the construction process, removing extra costs and delivering projects on time. The most representative trends in the construction industry that enable such improvements are both Building Information Modelling paradigm (BIM) and Lean Construction philosophy with one of its associated tools in the field of construction management—the Last Planner System. However, a review of the literature shows the scarcity of works on the synergy of both paradigms taking into account the extensive literature on Lean and BIM individually. This is further accused if we look beyond the theoretical literature reviews. Therefore, this paper is focused on the benefits derived from the synergy of both disciplines and the impacts on project efficiency through a case study of a public construction project at the university of Alicante in order to provide empirical evidence of the benefits and improvements of using BIM at the Look Ahead meetings and of the Last Planner System. Finally, the results of the case study allow us to make a comparison with the data related to cost deviations of other public projects with different uses, built areas, and complexity which were managed with traditional methods of construction.

scholarly journals The Impact of Adaptation to Climate Change and Variability on the Livelihood of Smallholder Farmers in Central Ethiopia

2021 ◽  
Vol 13 (12) ◽  
pp. 6790
Author(s):  
Dula Etana ◽  
Denyse J. R. M. Snelder ◽  
Cornelia F. A. van Wesenbeeck ◽  
Tjard de Cock Buning
Keyword(s):  
Production Efficiency ◽  
Positive Impact ◽  
Smallholder Farmers ◽  
Sustainable Livelihoods ◽  
Adaptation Strategies ◽  
Switching Regression ◽  
Adaptation To Climate Change ◽  
Central Ethiopia ◽  
Sustainability Index ◽  
The Impact

Although most micro-level studies show the positive impact of adaptation on food security and household income, these are only a few of the outcomes adaptation is intended to achieve. Farmers’ livelihoods function in complex ways such that an understanding the multidimensional outcome of adaptation is important. These necessitate the use of multiple indicators in the evaluation of the impact of adaptation. Based on data collected from 810 randomly selected households in central Ethiopia, this study investigates the impacts of adaptation strategies on the sustainability of the livelihoods of farmers. The economic, social, and environmental outcomes were integrated to construct the Livelihood Sustainability Index. The endogenous switching regression model, which accounts for unobserved heterogeneity and possible endogeneity, was used to examine the impact of using adaptation strategies. With a mean score of 41, the farmers had lower levels of livelihood sustainability. Farmers switching crop type, diversifying crops, planting improved seeds, engaging in land management activities, and using irrigation had a higher livelihood sustainability index compared to the counterfactual case in which they did not use them. Non-farm employment and migration significantly increased livelihood sustainability for the using households. However, had these factors been used by the non-users, it would have resulted in reduced livelihood sustainability. Farmers using more than four adaptation strategies had more sustainable livelihoods than using fewer strategies. The findings affirm that adaptation contributes to livelihood improvement. However, since the farmers are far from achieving a higher level of sustainable livelihoods, policies shall focus on maximizing the returns to be obtained from using adaptation strategies. This includes improving access to ecosystem services through environmental protection measures, increasing production efficiency through improved access to and proper utilization of farm inputs, expanding irrigation facilities, creating decent employment opportunities, and enhancing farmers’ skills through entrepreneurial training.

scholarly journals Planejamento de médio prazo: panorama de sua aplicação na construção civil

2020 ◽  
Vol 20 (1) ◽  
pp. 87-104
Author(s):  
Vanessa Lira Angelim ◽  
Thais da Costa Lago Alves ◽  
Mariana Monteiro Xavier de Lima ◽  
José de Paula Barros Neto
Keyword(s):  
Building Information Modeling ◽  
Information Modeling ◽  
Last Planner System ◽  
Building Information ◽  
Last Planner

Resumo O planejamento de médio prazo (PMP) consiste em um nível hierárquico de planejamento do Last Planner System (LPS) e destaca-se como estratégia primordial para garantir a concretização dos planos estabelecidos no planejamento de longo prazo no nível operacional de empreendimentos de construção. Este artigo descreve uma revisão sistemática da literatura (RSL) cujo objetivo foi identificar as principais práticas do PMP, as principais falhas em sua implementação e as lacunas de conhecimento sobre esse tema. Os resultados obtidos apontam a existência de amplo conjunto de práticas no PMP, que podem ser consideradas em futuras pesquisas, bem como incorporadas no processo de planejamento e controle da produção por empresas construtoras. Entretanto, constatou-se generalizada ineficácia em sua implementação. Também foram identificadas lacunas na literatura referentes ao impacto do PMP no desempenho das construções e quanto à aplicação do Building Information Modeling (BIM) para apoiar as funções do PMP. Conclui-se que são necessárias mais pesquisas que contribuam para aumentar a eficácia do PMP nos empreendimentos de construção, dado seu reconhecido impacto na remoção de restrições e, em consequência, na obtenção de fluxo ininterrupto das atividades.

scholarly journals Implementation of lean practices facilitated by BIM functionalities in the construction phase: advances and opportunities

2021 ◽  
Vol 21 (4) ◽  
pp. 309-328
Author(s):  
Renato Nunes Mariz ◽  
Flavio Augusto Picchi
Keyword(s):  
Methodological Approach ◽  
The Body ◽  
Building Information Modelling ◽  
Construction Productivity ◽  
Body Of Knowledge ◽  
Lean Practices ◽  
Last Planner System ◽  
Building Information ◽  
Five Practices ◽  
Last Planner

Abstract Over the past few decades, construction productivity has been at a standstill. Lean and Building Information Modelling (BIM) is attracting increasing interest in the construction industry as a way to increase construction productivity. This paper aims to contribute to the body of knowledge by identifying hitherto unexplored opportunities for the use of BIM functionalities as a support and as facilitators of the application of lean practices in the construction phase. A systematic literature review was adopted as the methodological approach in this research, and reported case studies related to the scope of this paper were searched. The results show that lean practices can be classified into four degrees of BIM support based on the level of current exploration. Just one lean practice (the last planner system) has been extensively explored, three have been reasonably explored, and five have just been preliminarily explored. Five practices have not been explored at all. This research summarises the already studied and the potential additional uses of BIM functionalities to support each lean practice, showing that lean practices supported by BIM functionalities are still underused and that further studies can explore additional ways to support these practices. This study holds great value for a broader practical application of lean practices, bringing faster and easier results with more extensive BIM support.

scholarly journals The Impact of Environmental Regulation on Firm Export: Evidence from China’s Ecological Protection Red Line Policy?

2019 ◽  
Vol 11 (19) ◽  
pp. 5493 ◽  
Author(s):  
Zhai ◽  
Liu ◽  
Chan
Keyword(s):  
Environmental Regulation ◽  
Production Efficiency ◽  
Positive Impact ◽  
Holistic Approach ◽  
Policy Implications ◽  
Porter Hypothesis ◽  
Innovation Activities ◽  
Ecological Protection ◽  
The Impact ◽  
Red Line

China conducted a comprehensive overhaul of its environmental regulation as of April 2014. The regulation, which calls for a holistic approach to protect the environment, is also called the “Ecological Protection Red Line” (Red Line). It sets comprehensive standards for pollutants and mandates provinces to implement the regulations. The Porter and pollution haven hypotheses were tested for the impact of the Red Line on firm exports using a sample of Chinese A-share firms from 2011 to 2017. Our findings are consistent with the Porter hypothesis. The implementation of the Red Line has a positive impact on a firm’s exports. The findings are robust to alternative metrics of exports and different sub-samples. A firm’s innovation activities (in terms of research and development investments) and production efficiency were found to be the transmission channels, corroborating the underlying logic of the Porter hypothesis. Policy implications are discussed.

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