1. The document discusses two project management approaches: traditional project management (TPM) and critical chain project management (CCPM). 2. CCPM defines the critical chain as the longest duration path through the project considering task dependencies and resource constraints. It prioritizes the critical chain to complete projects faster than TPM. 3. CCPM uses mathematical statistics to handle common cause variations, which allows it to complete projects in less time than TPM according to empirical studies. The document provides examples of how CCPM aggregates contingencies across tasks on the critical chain.

1. Project Management
Approaches
1. Traditional Project Management
(TPM) Approach.
2. Critical Chain Project
Management (CCPM) Approach

2. Q: Define Critical Chain Project Management
(CCPM). Discuss statistical Validation of the
Critical Chain Approach?
Critical Chain Project Mangement
The critical Chain is defined as the longest duration
path through the project considering the task
dependencies and resource constraints.
The planning, scheduling and maintenance of critical
chain throughout the course of the project. Moreover
by giving priority to the critical chain, the Project
Manager identifies scheduled Tasks around the most
constrained resources and completes the Project in
less time as compared to TPM Approach.

3. Justification of CCPM Approach
1. Common Cause Variations.
These occur naturally and are
always Present. We live with that
and Plan accordingly.
2. SPECIAL Cause Variations.
These are the variations which
can be managed by the Project
Manager. For this we prepare Risk
Management Plan.

4. The CCPM approach use
mathematical statistics to handle
common cause variations and in
this way, it completes the same
Project in less time as compared to
TPM Approach.

5. Statistical Validation of CCPM
Approach
Every task has a contingency. The contingency
is the difference between two probable estimate
estimatestimate. esestimates.
In the above Diagram, there are four tasks, and
they have Four contingencies.
In the above Diagram, (By CCPM
approach) all contingencies have been
aggregated. Therefore, it is easy to
manage it
A B C D
A B C D

6. CONCLUSION
1. An empirical study was carried out
and it has been proved that by
Statistical analysis, that CCPM
Approach completes a Project in
less time as compared to TPM
Approach. Therefore, we can say
that CCPM Approach is statistically
Valid.

7. Q: Assume that your organization is interested
in using CCPM along with TPM; what criteria
would you use to decide, which approach
makes more sense for a given Project?
Ans:
1. Definition of TPM:
Project Management is a method and set of techniques
based on the accepted principles of management used
for planning estimating and controlling work activities to
reach as desired end result on time, with in budget and
according to specifications.
2. Definition of CCPM: (Already given in previous slide)

8. Comparison and Contrast of Two
approaches;TPM and CCPM.
1. Both Approaches are identical to the
point, where Project Network is drawn
and critical path is identified.
2. Thereafter CCPM Manager develops
critical chain Plan.
3. CCPM is more scientific and make use of
Mathematical statistics to reduce special
cause variations, which reduces the time
duration of Project.

9. CONCLUSION
We have discussed both approaches, that
is TPM and CCPM. In order to decide which
approach makes more sense for a given
project, it depends upon the nature of the
Project. In case the time duration of the
Project is more essential, we would like to
have CCPM Approach otherwise we can
adopt TPM approach