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W2.1_Eman_Root CAUSE analysis Using TREE DIAGRAM




1.    Problem Definition

After the project completion and reach Commercial Operation date (COD), it is handed over to Client Contract & Interface department (CCI). The (project company also called the Generator), start invoicing us and claim for the energy delivered, water delivered, capacity and fuel consumption, to insure it is the right amount to be paid, the department request for additional information, which sometimes get delayed and cause delay in the payment. 

2.    Identify the Feasible Alternative

To came up with possible solution, we need to investigate on the 3 alternatives:

1-    The interface between Generator/CCI team.

2-    Communication.

3-    Time Management.


3.    Development of the Outcome for Alternative

In this case we use “The root cause analysis”.

Method
/Tool
Type
Defines Problem
Defines All Known Causes
Provides A Causal Path to Root Causes
Delineates Evidence
Explains How Solutions Prevent Recurrence
Easy To Follow Report
Score
Events & Causal Factors
Method
Yes
Limited
Yes
No
No
No
2.5
Change Analysis
Tool
Limited
No
No
No
No
No
0.5
Barrier Analysis
Tool
NO
No
No
No
No
No
0
Tree Diagrams
Method
Yes
Yes
Yes
No
Limited
No
3.5
Why-Why Chart
Method
Yes
Yes
Yes
No
No
No
3
Pareto
Tool
No
No
No
No
No
No
0
Storytelling
Method
NO
No
No
No
No
No
0
Fault Tree
Method
Yes
No
No
Limited
No
No
1.5
FMEA
Tool
Limited
No
No
No
No
No
0.5
Reality Charting
Method
Limited
No
Limited
No
Yes
Limited
2.5

Table. 1 RCA Methods

As shown on the table 1, the possible technique for this problem is the tree diagram which got the highest score of 3.5.


4.    Selection Criteria

The alternative for this problem is the Acceptance Criteria techniques

Attribute
Acceptance Criteria
The interface between Generator/CCI team
Two ways
Communication
Involving team members
Time Management
By support

Table 2: Acceptance Criteria

This is the acceptable attribute for CCI department. The Communication is critical. However, the interface between Generator/CCI team and time management are not needed that much since the team have almost reached the maturity stage. 

5.    Analysis and Comparison of the Alternative

The result from the root cause analysis (RCA) show us that the tree diagram is suitable for CCI team problem.

6.    Selection of the Preferred Alternative

The preferred one is RCA which indicate the true cause of the problem.

7.     Performance Monitoring and the Post Evaluation of Result

After implementing the solutions, we will check the performance of the generator and how efficient and fast they are in providing the data in monthly basis.


References

1.    RCA tree diagram



2.    Various RCA Methods and Tools in Use Today



3.    Multi-Attribute Decision Making

Comments

  1. Dr. PDGNovember 21, 2017 at 5:29 AM

    Much better..... OFTEN what I have found is because ENGINEERS tend to be either visual or numbers driven, the tabular methods (like the one shown above) or the graphical methods (like the Fishbone or Ishikawa diagram) tend to be more popular for that particular group of stakeholders.

    BR,
    Dr. PDG, Jakarta

    ReplyDelete

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