scholarly journals BUFFER SIZING FOR THE CRITICAL CHAIN PROJECT MANAGEMENT METHOD

2012 ◽  
Vol 19 (1) ◽  
Author(s):  
A. Geekie ◽  
H. Steyn
Keyword(s):  
Project Management ◽  
Buffer Sizing ◽  
Critical Chain Project Management ◽  
Management Method ◽  
Critical Chain

Offshore Platform Turn Around Using the Critical Chain Project Management Method (CCPM)

2009 ◽  
Author(s):  
Jose Finocchio Junior ◽  
Marcelo Ramos Martins
Keyword(s):  
Project Management ◽  
Critical Path ◽  
Theory Of Constraints ◽  
Structured Interviews ◽  
Oil Platforms ◽  
Qualitative Approaches ◽  
Decision Making Processes ◽  
Critical Chain Project Management ◽  
Management Method ◽  
Critical Chain

The present study discusses the adequacy of the Critical Chain Project Management Method (CCPM) — also known as the Critical Chain Method — for scheduling projects involving shutdowns on oil platforms, as such projects involve decision-making processes under risk conditions. The CCPM is based on the Theory of Constraints and aims at providing more precise and more clearly focused control instruments than those traditionally used in the Critical Path Method (CPM). The CCPM also indicates the best moments to act and where and how the action should be directed. The hypothesis underlying the research is that the CCPM portrays, more adequately than the CPM, the uncertainty that exists in a platform shutdown. This characteristic also makes it possible to draw up a schedule that is both more realistic and more challenging, as it addresses the goal of causing less interruption of production. On the basis of this hypothesis, the two main questions that oriented the entire investigation were: 1) Is the CCPM suitable for scheduling the shutdown of an offshore oil platform and, 2) What advantages might it have over the traditional methods in use? To answer these questions the authors reviewed the existing bibliography on the topic and made direct on-site observations during an actual shutdown. In addition, interviews were held with a number of specialists in the area using qualitative approaches, namely, semi-structured interviews, focus groups, and action research.

Incorporation of resource reliability into critical chain project management buffer sizing

2019 ◽  
Vol 58 (20) ◽  
pp. 6130-6144 ◽  
Author(s):  
Seyed Ashkan Zarghami ◽  
Indra Gunawan ◽  
Graciela Corral de Zubielqui ◽  
Bassam Baroudi
Keyword(s):  
Project Management ◽  
Buffer Sizing ◽  
Critical Chain Project Management ◽  
Critical Chain

Buffer Sizing Methods to Compare Critical Chain Project Management with Critical Path

2016 ◽  
Vol 7 (3) ◽  
pp. 74-87 ◽  
Author(s):  
Mohammed Shurrab ◽  
Ghaleb Abbasi
Keyword(s):  
Project Management ◽  
Standard Deviation ◽  
Critical Path ◽  
Sum Of Squares ◽  
Critical Path Method ◽  
Body Of Knowledge ◽  
Buffer Sizing ◽  
Project Plan ◽  
Critical Chain Project Management ◽  
Critical Chain

Critical Chain Project Management (CCPM) provided a tangible progress to the Project Management Body of Knowledge. The critical chain project management (CCPM) differs from the traditional Critical Path Method (CPM) which includes never changing resource dependencies. CCPM improves the project plan by aggregating uncertainty into buffers at the end of activity paths. In this research, one hundred twenty random projects were generated and analyzed using Microsoft Project software according to the traditional CPM and the CCPM once using the sum of squares (SSQ) method and another using the cut & past (C&PM) method. CCPM-SSQ method revealed an average savings of 13% and 43% in duration and cost, with a standard deviation of 21 and 11 for duration and cost respectively. While the CCPM-C&PM method revealed an average overestimation of about 2% in duration and 43% savings in cost, with a standard deviation of 25 and 11 for duration and cost respectively.

A Study of the Critical Chain Project Management Method Applied to a Multiproject System

2019 ◽  
Vol 50 (3) ◽  
pp. 322-334 ◽  
Author(s):  
Robert Eduardo Cooper Ordoñez ◽  
Mario Vanhoucke ◽  
José Coelho ◽  
Rosley Anholon ◽  
Olívio Novaski
Keyword(s):  
Logistic Regression ◽  
Regression Analysis ◽  
Project Management ◽  
Time Estimation ◽  
Key Factors ◽  
Critical Chain Project Management ◽  
Management Method ◽  
Critical Chain ◽  
Critical Resources

In 1997, Eliyahu Goldratt proposed a method called critical chain project management (CCPM) to minimize the inefficiencies identified in traditional project management. The project management community accepted the proposed method as a viable alternative. However, to allow its implementation with a multiproject system, more research was necessary. Seeking to identify the key factors that influence the performance of the multiproject system applying the CCPM method, we performed a case study. Logistic regression analysis showed that applying the CCPM method in a multiproject system allows for better time estimation of activities and facilitates the allocation of critical resources.

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