Survey Comparing Critical Path Method, Last Planner System, and Location-Based Techniques

Olivieri, Hylton; Seppänen, Olli; Alves, Thaís da C. L.; Scala, Natalie M.; Schiavone, Vincent; Liu, Min; Granja, Ariovaldo Denis

doi:10.1061/(asce)co.1943-7862.0001644

Cited by 49 publications

(38 citation statements)

References 32 publications

(45 reference statements)

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“…Although CPM is a powerful tool for managing construction from a project perspective, it has been criticized for its inability to produce or maintain flow (Koskela et al 2014), resulting in lengthy, complex schedules that do not support proactive production management (e.g. Olivieri et al 2018Olivieri et al , 2019. As stated by Pe'er (1974), CPM may be an appropriate tool for the client but offers limited help in managing the site.…”

Section: Production Planning and Control In Constructionmentioning

confidence: 99%

How takt production contributes to construction production flow: a theoretical model

Lehtovaara

Seppänen

Peltokorpi

et al. 2020

Construction Management and Economics

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Takt production has recently received increased attention in both the construction industry and academia. However, the research on takt production has focused on documenting single successful cases, while attempts to holistically explore the impact of takt production on construction production flow are scarce. To address this knowledge gap, this study aimed to build a theoretical model of how takt production contributes to construction production flow. A qualitative multiple-case study was conducted to validate propositions based on a literature review, and the results were discussed and synthesized in the form of a theoretical model. The findings indicate that while takt production is a viable method to increase flow, it requires significant effort in terms of planning, control, and continuous improvement. While having a positive impact on process flow (location flow), the effects on operations flow (trade flow) are contradictory. The study has implications for further comprehensive evaluation of the effects of takt production on construction production flow while facilitating more predictable, systemic implementation of takt production across projects.

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Section: Production Planning and Control In Constructionmentioning

confidence: 99%

How takt production contributes to construction production flow: a theoretical model

Lehtovaara

Seppänen

Peltokorpi

et al. 2020

Construction Management and Economics

Self Cite

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“…Precedence relationships (Benjaoran et al, 2015) and planning the sequence of activities are not unique to our case. Olivieri et al (2019) reported that 71% of survey respondents used CPM to plan activities, and CPM includes defining logical dependencies. Some dependencies are strict and technical (e.g., walls must be built before they can be painted), while others are "soft" (Kenley and Seppänen, 2010).…”

Section: Generalizability Of the Methods To Track The Progress Of Tasksmentioning

confidence: 99%

Using Real-Time Indoor Resource Positioning to Track the Progress of Tasks in Construction Sites

Zhao

Pikas

Seppänen

et al. 2021

Front. Built Environ.

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Lean construction methods have demonstrated potential to improve construction productivity. For example, the location-based management system and the last planner system have increased the reliability of planning and control in construction production. However, these benefits are often reduced because of inaccurate manual data collection. To alleviate these problems, technologies for automated monitoring of workers have been developed to identify site events in chaotic environments. This paper aims to investigate whether a Bluetooth low-energy-based real-time indoor positioning system can monitor task progress from workers’ presence. Our findings suggest that the proposed system is a feasible solution for monitoring task-level progress when there are explicit dependencies between tasks. This method could automatically detect task start and finish times and estimate the hours required to complete a task. This enables the measurement of waste hidden inside tasks, which allows for interventions for improving flows and eliminating waste.

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“…This problem can also be overcome by using the formulation of the Critical Path Method (CPM) [3][4] [5]. The CPM is the method used for planning, monitoring, and controlling the project schedule based on the determined critical path [6], [7]. The application of tools, techniques, knowledge, and skills is a function of project management in obtaining the desired results [8][9] [10].…”

Section: Introductionmentioning

confidence: 99%

Application of Critical Path Method and Fuzzy Logic in Optimizing Bottled Drinking Water Production

Yudiarti

Razi

2021

InPrime:Ind.Jour.Pure.Applied.Math

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Project management is one of the analytical techniques used for planning, scheduling, and making decisions about activities. This is useful so that the project can be implemented optimally and efficiently. Project management can be done by optimizing the network. Network optimization is very important for the production of bottled drinking water (AMDK) "AETA" produced by the PDAM of Kota Madiun. The optimization of the bottled water production network in this study uses the Fuzzy Critical Path Method (FCPM) analysis technique. Optimization of this fuzzy network is carried out to find a critical path in the production of bottled drinking water in order to get an efficient time in the production of 4 types of bottled drinking water, namely glass, 1.5L bottles, 600mL bottles, and gallons. The results showed that gallon product packaging has a high level of efficiency. In this research, fuzzy data analysis uses trapezoidal fuzzy numbers for bottled drinking water production time. Meanwhile, CPM is used to obtain the most efficient critical path or time in the AMDK production. The combination of these two methods is very helpful in project management so that the scheduling of activity can be run optimally.Keywords: Critical Path method; fuzzy; optimization; project management; scheduling. AbstrakManajemen proyek merupakan salah satu teknik analisis yang digunakan untuk perencanaan, penjadwalan, dan pengambilan keputusan tentang kegiatan. Hal ini bermanfaat agar proyek dapat dilaksanakan secara optimal dan efisien. Manajemen proyek dapat dilakukan dengan mengoptimalkan jaringan. Optimalisasi jaringan sangat penting untuk produksi Air Minum Dalam Kemasan (AMDK) "AETA" yang diproduksi oleh PDAM Kota Madiun. Optimasi jaringan produksi AMDK dalam penelitian ini menggunakan teknik analisis Fuzzy Critical Path Method (FCPM). Optimalisasi jaringan fuzzy ini akan dilakukan untuk mencari jalur kritis dalam produksi air minum dalam kemasan guna mendapatkan waktu yang efisien dalam produksi 4 jenis air minum dalam kemasan yaitu gelas, botol 1.5L, botol 600mL, dan galon. Hasil penelitian didapat pengemasan produk gallon memiliki tingkat efisien yang tinggi. Dalam penelitian ini, data fuzzy menggunakan bilangan fuzzy trapezoidal untuk waktu produksi AMDK. Sedangkan CPM digunakan untuk mendapatkan jalur atau waktu kritis yang paling efisien dalam produksi AMDK. Penggabungan antara dua metode ini sangat membantu dalam manajemen proyek sehingga penjadwalan suatu aktivitas bisa berjalan secara optimal.Kata kunci: Critical Path method; fuzzy; manajemen proyek; optimasi; penjadwalan.

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Survey Comparing Critical Path Method, Last Planner System, and Location-Based Techniques

Cited by 49 publications

References 32 publications

How takt production contributes to construction production flow: a theoretical model

How takt production contributes to construction production flow: a theoretical model

Using Real-Time Indoor Resource Positioning to Track the Progress of Tasks in Construction Sites

Application of Critical Path Method and Fuzzy Logic in Optimizing Bottled Drinking Water Production

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