Boosting Construction Project Timeline: The Case of Critical Chain Project Management (CCPM)

Anastasiu, Livia; Campian, Cristina; Roman, Nicoleta

doi:10.3390/buildings13051249

Cited by 7 publications

(2 citation statements)

References 32 publications

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“…The construction sector, and, thus, public works, has a significant impact on economies globally [1][2][3]. In Spain, public tenders for construction reached €30.07 billion in 2022 [4], with €18.52 billion specifically for civil engineering.…”

Section: Introductionmentioning

confidence: 99%

The Relationship between Cost Overruns and Modifications for Construction Projects: Spanish Public Works and Their Legal Framework

Alonso-Iglesias,

Ortega-Fernández,

Rodríguez-Montequín

et al. 2023

Buildings

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Cost overruns are a common problem for public works projects, often due to modifications to the original design. While the causes of these modifications have been studied, the legal framework’s impact and limitations on these modifications have received extensive treatment, with no specific case studies from different countries. This paper explores the relationship between modifications in Spanish public works projects and their compliance with legal limits, investigating the alignment between base bidding prices and eventual costs after adjustments. The study also delves into the strategic behaviour of construction companies in Spain, which frequently involves manipulating project costs to match the initially proposed bidding price. Statistical methods, such as the Spearman correlation test and graphical analysis, confirm a nearly exact relationship between base bid price and final price. Also, a modification costs comparison for two different legal periods highlights the legal framework’s influence, as a less restrictive framework leads into higher average cost overruns. It provides valuable information to avoid malpractice for tendering institutions, practitioners, and legal developers, as well as those interested in the Spanish public works sector, and opens the door for future research on solving this problem.

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Section: Introductionmentioning

confidence: 99%

The Relationship between Cost Overruns and Modifications for Construction Projects: Spanish Public Works and Their Legal Framework

Alonso-Iglesias,

Ortega-Fernández,

Rodríguez-Montequín

et al. 2023

Buildings

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show abstract

“…Goldratt [12] combined the Theory of Constraints (TOC) with project management to form Critical Chain Project Management (CCPM), which sets buffers to absorb the impact of uncertainties while satisfying the constraint conditions. CCPM has been applied in various fields [13][14][15][16][17] since it was proposed by Goldratt, and has shown great effectiveness. It has been proven that CCPM is a powerful tool for managing project schedules in the presence of uncertainties.…”

Section: Introductionmentioning

confidence: 99%

Research on an Assembly Building Buffer Zone Based on Gray Critical Chain

Chen,

Ye,

et al. 2023

Applied Sciences

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The complexity of construction in prefabricated buildings makes it vulnerable to uncertainty in project timelines, and traditional project timeline management is insufficient to control project timelines for prefabricated buildings. Therefore, research on project timeline management for prefabricated buildings is needed in order to optimize project timelines and improve project execution rates. This study proposed an improved method of setting prefabricated building buffer zones through the use of improved grey critical chain technology. Five major factors affecting project timelines in actual prefabricated construction projects were selected: personnel experience, degree of prefabrication, technical complexity, reasonableness of construction plans, and degree of construction space availability. The OPA technique was introduced and combined with the entropy weight method to improve the comprehensive weight coefficient of the grey critical chain calculation of the factors affecting the timeline. Other influencing coefficients were determined, and a new calculation method for the size of prefabricated building buffer zones was proposed. Monte Carlo simulations were conducted in Matlab on actual construction projects to ensure the scientific rationality of the improved method. The results showed that compared with the classical buffer calculation methods (cut-and-paste method, C&PM and square root standard deviation method, RSEM), the project timeline was reduced by 14.3% and 11.7%, respectively, using the improved method. The improved method not only reduces project uncertainties, but also achieves the goal of optimizing project timelines, and it is reasonable and effective. The results of the study provide a direction for the project timeline management of prefabricated building critical chains, and this method can be applied to the planning and management of prefabricated building buffer zones.

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Monitoring and controlling engineering projects with blockchain-based critical chain project management

Bahnas,

Adel,

Khallaf

et al. 2024

Automation in Construction

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Boosting Construction Project Timeline: The Case of Critical Chain Project Management (CCPM)

Cited by 7 publications

References 32 publications

The Relationship between Cost Overruns and Modifications for Construction Projects: Spanish Public Works and Their Legal Framework

The Relationship between Cost Overruns and Modifications for Construction Projects: Spanish Public Works and Their Legal Framework

Research on an Assembly Building Buffer Zone Based on Gray Critical Chain

Monitoring and controlling engineering projects with blockchain-based critical chain project management

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