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
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.
ReplyDeleteBR,
Dr. PDG, Jakarta