26th Annual Conference of the International Group for Lean Construction最新文献

{"title":"What Is Lean Construction: Another Look - 2018","authors":"A. Mossman","doi":"10.24928/2018/0309","DOIUrl":"https://doi.org/10.24928/2018/0309","url":null,"abstract":"There is no agreed definition of lean construction. This is a problem for some and not for others in the lean construction community and beyond. Answers to the question “what is lean construction?” from a simple survey reported here, on the web and in the formal and informal literature reveal a diversity of views. The purpose of the survey was to get a sense of the definitions-in-use in the lean construction community. Some of the implications for the community are outlined and suggestions made for further study.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125140186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Visual Planning for Supply Chain Management of Prefabricated Components in Construction","authors":"S. Tiwari, Girish B. Pawar, E. Luttmann, R. Trujillo, Aiswarya Sreekumar","doi":"10.24928/2018/0419","DOIUrl":"https://doi.org/10.24928/2018/0419","url":null,"abstract":"One of the challenges in the supply chain management of prefabricated components is the communication gap between the jobsite and the fabrication shop to coordinate on the deliveries. The context is the supply chain of light gauge metal stud panels that are digitally fabricated using BIM and CNC Robots in the US construction industry. The solution implemented was a cloud-based ordering application. the superintendent in the field interface with the BIM of Metal Stud Panels on an iPad, sequences the panels in the order he/she wishes to install. The order placed by the superintendent is received by the fabrication shop, which then initiates the fabrication of the panel from the same BIM, in the same sequence using the CNC robots. Once fabricated, the panels are divided into batches and transported to the site for installation. This helps in prioritizing fabrication, assembly and shipping of panels as per the needs of various jobsites. The just-in-time fabrication and delivery enables lean workflow of construction material, and minimizes waste in over-production, transportation and inventory. The paper will focus on the process in detail and benefits from this approach.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"409 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122801127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An Exploration of BIM and Lean Interaction in Optimizing Demolition Projects","authors":"A. Elmaraghy, H. Voordijk, M. Marzouk","doi":"10.24928/2018/0474","DOIUrl":"https://doi.org/10.24928/2018/0474","url":null,"abstract":"Construction and demolition wastes have an adverse environmental impact. The demolition wastes are resulted from the linear economic behaviour that the Construction industry is currently adopting. IT-enabled processes like BIM have been used to eliminate wastes in Construction Projects. The alignment of these processes with Lean Construction principles was seen to reap high benefits. This research investigates the possibility of extending BIM functionalities to support deconstruction processes in alignment with Lean Principles. Based on the existing interaction matrix between BIM functionalities and Lean Principles and its subsequent extensions, the synergies between BIM and Lean are explored from a deconstruction perspective. The evidence of using BIM capabilities in deconstruction projects is mainly interpreted from research in addition to the current initiatives in the demolition and renovation projects in The Netherlands. The main aim is to integrate discrete efforts in industry and academia towards leveraging the recovery rate of salvaged elements. The evidence is then validated against Lean principles and the results reveal a major conformity between BIM and Lean. This exploratory research may contribute to the adoption of a structured framework in deconstruction projects that exploits BIM and Lean capabilities towards achieving a circular economy.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131103891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Simulation Exercise for Collaborative Planning System / Last Planner System (COLPLASSE)","authors":"N. Raghavan, K. Varghese, A. Mahalingam, V. K. Delhi","doi":"10.24928/2018/0429","DOIUrl":"https://doi.org/10.24928/2018/0429","url":null,"abstract":"The Last Planner System (LPS TM )is becoming popular for project management all over the world. Though the practitioners are able to follow the concepts quite well, they sometimes find it difficult to develop the required processes and templates, particularly in organisations and environments where systematic planning practices are not that prevalent. Structured templates, simulations, or games for LPS are also not freely available in the open domain. A simulation exercise, COLPLASSE (COLlaborative PLAnning System Simulation Exercise), has been developed to cater to this felt need. COLPLASSE is based on simple Excel spreadsheets and uses work plans for developing Look Ahead Plans and Weekly planning over the many weeks required for project completion. It has provisions to simulate random delays due to inclement external environmental conditions or variations in productivity due to various causes. It computes PPC automatically and simultaneously draws continuous charts for PPC and Root Cause Analysis over the Project completion period. It is simple to use and with further improvements being planned, can develop into a powerful tool for training or simulation or actual use along with LPS. Further research is proposed to be done using this simulation with various groups to evaluate its capabilities for helping early practitioners to use LPS.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"35 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121643153","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Leveraging Technology by Digitalization Using “I Report App” for Safety at Construction Sites","authors":"Rishikesh Ahirrao","doi":"10.24928/2018/0418","DOIUrl":"https://doi.org/10.24928/2018/0418","url":null,"abstract":"","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123844273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Comparison of Competitive Dialogue and Best Value Procurement","authors":"P. Wondimu, O. J. Klakegg, O. Lædre, G. Ballard","doi":"10.24928/2018/0248","DOIUrl":"https://doi.org/10.24928/2018/0248","url":null,"abstract":"Competitive Dialogue (CD) and Best Value Procurement (BVP) are two different approaches to early contractor involvement (ECI) in public projects. However, it is not clear which approach is best suited for what kind of project situations, and which is better for implementing lean in public procurement. The purpose of this paper is to explore the similarities and differences of these approaches to develop recommendations for how to match approach with project situations. In addition to literature study, two large infrastructure projects were studied through 12 in-depth semi-structured interviews and review of documents. The findings from this study indicate that the two approaches have several similarities; e.g., both give a better result when they are used together with a design-build contract than design-bid-build contract, and they give clients possibilities to meet suppliers and clarify projects before contract signing. However, they also have a number of differences such as the number of competitors that develop a project and a supplier selection premises varies. The study concludes that BVP is a moreeffective procurement process than CD as regards procurement phase. However, CD gives more room for the clients to influence supplier solutions than BVP.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123862821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conceptual Framework for Capability and Capacity Building of SMEs for Lean Construction Adoption","authors":"E. N. Ankomah, J. Ayarkwa, K. Agyekum","doi":"10.24928/2018/0495","DOIUrl":"https://doi.org/10.24928/2018/0495","url":null,"abstract":"Lean construction (LC) is a production system with the potential to deliver exceptional performance within any organisation. LC is possible solution to the many problems faced by construction Small and Medium Enterprises (SMEs). However, Construction SMEs lack the needed resources which constraint their lean implementation efforts. A conceptual framework for capability and capacity building of Construction SMEs is developed based on the Toyota Way model. This research was conducted using systematic review of literature. The review suggests there is the need to build the capability and capacity of SMEs to fully adopt the LC philosophy. SMEs provide a challenging context for the implementation of LC due to their lack of the needed resources. The outcome of this study is to focus attention on building the capability and capacity of Construction SMEs to fully adopt LC. This will help reduce the incidence of high failure rates of LC implementation recorded amongst SMEs. Previous works have concentrated on what SMEs can and should do within their limited capacity. However, the use of the isolated tools and practices fail because lean is a system that has to be implemented holistically. A conceptual framework for building the capability and capacity of SMEs for LC adoption is therefore proposed.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125764386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Promoting Collaborative Construction Process Management by Means of a Normalized Workload Approach","authors":"Christoph Paul Schimanski, C. Marcher, P. Dallasega, Elisa Marengo, Camilla Follini, Arif Ur Rahman, A. Revolti, W. Nutt, D. Matt","doi":"10.24928/2018/0488","DOIUrl":"https://doi.org/10.24928/2018/0488","url":null,"abstract":"The research project »COCkPiT« Collaborative Construction Process Management aims at developing methodologies and tools to enhance time and budget control in construction projects, with a focus on small and medium-sized companies. The hypothesis is that the interplay of the three main phases of project management planning, scheduling, and monitoring can be improved by collecting highly detailed information early on in each phase, and making it available to the other phases at a high frequency. COCkPiT builds upon previous experiences in façade installation, where significant time and cost savings have been obtained by applying a normalized workload approach based on a collaborative process planning routine, an approach which is currently hardly supported by commercial project management tools. Thus, the objective of COCkPiT is to develop a methodology that supports i) collaborative process modelling as a basis for ii) a short-term rolling wave planning considering iii) real-time measurement of the progress on-site, to create highly reliable schedules and accurate forecasts. The focus of this paper is to present the conceptual fundamentals of integrating the modules of modelling, scheduling and monitoring, as well as involving the lean construction community to current considerations regarding the implementation in a self-containing IT-solution. 1 Research Associate, Fraunhofer Italia Research, Bolzano, Italy, christoph.schimanski@fraunhofer.it 2 Research Associate, Fraunhofer Italia Research, Bolzano, Italy, carmen.marcher@fraunhofer.it 3 Assistant Professor, Faculty of Science and Technology, Free University of Bolzano, patrick.dallasega@unibz.it 4 Assistant Professor, Faculty of Computer Science, Free University of Bolzano, elisa.marengo@unibz.it 5 Research Associate, Fraunhofer Italia Research, Bolzano, Italy, camilla.follini@fraunhofer.it 6 Research Assistant, Faculty of Science and Technology, Free University of Bolzano, ArifUr.Rahman@unibz.it 7 Freelance Engineer and Architect in Trento, Italy,andrea.revolti87@gmail.com 8 Full Professor, Faculty of Computer Science, Free University of Bozen-Bolzano, Bolzano, Italy, nutt@inf.unibz.it 9 Head of Fraunhofer Italia, Fraunhofer Italia Research, Bolzano, Italy, dominik.matt@fraunhofer.it 10 Full Professor, Faculty of Science and Technology, Free University of Bozen-Bolzano, Bolzano, Italy, dominik.matt@unibz.it Promoting Collaborative Construction Process Management by Means of a Normalized Workload Approach Production Planning and Control 765","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129796569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Make Ready Planning Using Flow Walks: A New Approach to Collaboratively Identifying Project Constraints","authors":"Paul J. Ebbs, L. Christine, Pasquire","doi":"10.24928/2018/0448","DOIUrl":"https://doi.org/10.24928/2018/0448","url":null,"abstract":"Many authors identify flow and pull as key lean production principles. In lean construction (LC)these principles are embodied within the “Last Planner® System” (LPS) to create more reliable workflow which is the heart of Lean Project Delivery. LPS has continued to evolve and develop over the last 25 years with pull planning – identifying what tasks SHOULD be done the last major elementadded. However, “pull planning” is often misunderstood as the entirety of LPS and frequently referred to as “Last Planner”. The remaining levels of the Last Planner “System” – CAN; WILL; DID and LEARN are not being used as originally intended by LPS developers Ballard and Howell. The struggle often begins with Make Ready Planning (CAN). This paper is the first output of a two-year research project focused on implementing the CAN; WILL; DID; LEARN levels of LPS within organisation (X). It outlines how the 8 Flows of Lean Project Delivery andthe“Flow Walk” are being used as a structured approach to collaboratively identify constraints and incorporate them into the risk registers and Make Ready Planning. This approach was effective to identify constraints and also create a shared understanding of project scope within project teams.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"105 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129850451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Identifying Value Enhancing Factors and Applicability of Visual Management Tools","authors":"Vyoma Patel, Nimitt Karia, D. Pandit","doi":"10.24928/2018/0239","DOIUrl":"https://doi.org/10.24928/2018/0239","url":null,"abstract":"A significant amount of capital has been invested in AECO industry for many decades to support public and private initiatives. Therefore, getting reasonable value from the investment is pivotal for any developing nation. Interpretation of the value varies according to the importance and influence of the stakeholders in the project hence knowing its perception is significant. Maximising value is one of the foundations of the lean construction approaches. On the other hand, as Indian construction industry is gearing up for lean construction and its applications, understanding the meaning of the value in local context become significant. Moreover, visual management and its applications in construction have shown promising results. Therefore, how well they can address value maximization in Indian construction context is answered via conducted research. This paper helps to understand the perception of the value in the Indian construction industry through semi-structured interviews of construction professionals. Additionally, value increasing factors are identified in the construction phase of the project, subsequently; lean visual tools are applied to identify factors. The results demonstrate that the visual management tools have potential to increase value in the construction phase of Indian construction projects.","PeriodicalId":419313,"journal":{"name":"26th Annual Conference of the International Group for Lean Construction","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129876705","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}