Incorporation of resource reliability into critical chain project management buffer sizing

Zarghami, Seyed Ashkan; Gunawan, Indra; Zubielqui, Graciela Corral de; Baroudi, Bassam

doi:10.1080/00207543.2019.1667041

Cited by 30 publications

(25 citation statements)

References 33 publications

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“…Recent research and real experience suggest that there are some gaps in traditional project management methods, delay being the biggest of them (ROGHANIAN; ALIPOUR; REZAEI, 2018). To address this challenge, in 1997, Eliyahu M. Goldratt proposed an application of TOC to project management, known as Critical Chain Project Management (CCPM), which has become a new paradigm for feasible resourceful project scheduling (ZARGHAMI et al, 2020).…”

Section: Project Management By Ccpm (Critical Chain Project Management)mentioning

confidence: 99%

“…Determining the times of each activity is a complex task due to the dependence on factors such as the availability of materials, workers, and tools, which create difficulties in predicting when such activities will be completed (ROGHANIAN; ALIPOUR; REZAEI, 2018). In this scenario, human behavior tries to compensate for these factors by adding substantial safeguards to the duration estimates of the activities, which ends up inflating the project as a whole (ZARGHAMI et al, 2020).…”

Section: Project Management By Ccpm (Critical Chain Project Management)mentioning

confidence: 99%

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Comparison of PERT/CPM and CCPM Methods in Project Time Management

Narita¹,

Alberconi²,

Souza³

et al. 2021

GEPROS

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Purpose: Evaluate and compare PERT/CPM and Critical Chain Project Management (CCPM) techniques, from the Theory of Constraints (TOC), in relation to indicators of delivery time estimation and reliability in meeting established deadlines. Theoretical framework: The research is based on the time management theory established by the PERT/CPM and CCPM methods. Design/methodology/approach: This work has an experimental character, using a method of computer simulation by applying the Promodel software. A fictitious project environment managed by PERT/CPM and CCPM techniques was modeled in order to evaluate and compare their performances in terms of estimation of, and compliance with, project completion deadlines. Findings: The results obtained showed that the CCPM method proved to be more effective in reducing project completion time and meeting established deadlines. Conversely, the PERT/CPM method increased planned project completion time by 189%. Research, Practical & Social implications: Many managers assume that the best approach to project planning, especially when aiming for short and reliable deadlines, is to allocate margins of safety to each scheduled activity. This research reinforced the already widely held perception of TOC that, due to certain ordinary human behaviors, local optimizations do not guarantee, and usually adversely effect, good global results. Originality/value: There is a lack of research comparing PERT/CPM and CCPM techniques through modeling and computer simulations of project environments subjected to certain degrees of uncertainty, particularly in terms of performance variables such as those studied here. The results of this research, therefore, address this opportunity, bringing to light comparative scenarios and explanations for the different behaviors observed. Keywords: Computational Simulation; Project Management; Goldratt; Critical Chain; CCPM; PERT/CPM.

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Section: Project Management By Ccpm (Critical Chain Project Management)mentioning

confidence: 99%

Section: Project Management By Ccpm (Critical Chain Project Management)mentioning

confidence: 99%

Comparison of PERT/CPM and CCPM Methods in Project Time Management

Narita¹,

Alberconi²,

Souza³

et al. 2021

GEPROS

View full text Add to dashboard Cite

show abstract

“…In other words, what-if scenario analysis aided by the present SD model can be used to measure the extent to which a change in the status of a particular project might affect the status of the project portfolio as a whole. This helps organizations to identify critical projects within a portfolio and, subsequently, gives an indication as to which projects require more resources in order to reduce risks to PPM success [39].…”

Section: Managerial Implicationsmentioning

confidence: 99%

Application of system dynamics in project portfolio management

Zarghami

Dumrak

2020

Int J Ind Eng Manag

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“…In the work of Jin et al, the reliability of safety instrumented systems was evaluated by mapping the system components into RBD. Zarghami et al . applied the concept of RBD to determine the size of time buffers in project scheduling.…”

Section: The Present Approachmentioning

confidence: 99%

Exact reliability evaluation of infrastructure networks using graph theory

Zarghami

Gunawan

Schultmann

2019

Quality & Reliability Eng

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Reliability analysis of Infrastructure Networks (INs) is gaining recognition in the research literature. However, most of the work on reliability evaluation of INs have focused on simulation analysis and, therefore, unable to calculate the exact reliability. Additionally, these methods lack the capability of achieving a closer adherence to INs. The presented paper aims at filling these gaps by simplifying the process of computing the exact reliability of an IN through the decomposition of the network into a set of series and parallel configuration of its elements. In exemplifying the method, an illustrative example is presented and a brief discussion on the usefulness and limitation of the method is described.

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Incorporation of resource reliability into critical chain project management buffer sizing

Cited by 30 publications

References 33 publications

Comparison of PERT/CPM and CCPM Methods in Project Time Management

Comparison of PERT/CPM and CCPM Methods in Project Time Management

Application of system dynamics in project portfolio management

Exact reliability evaluation of infrastructure networks using graph theory

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