South Texas Project Electrical Generating Station Data Warehouse John Owen Sarah Smith
Objectives Create a data warehouse of the from our Corrective Action Program, Master Equipment Database, Procurement Inventory Control System and Work Order systems. Mine the data to identify hidden patterns that enable STP to reduce maintenance costs.
Facts The fact of concern is the cost per maintenance activity. Cost of Labor Total of all craft hours spent on activity Each activity can have many crafts Cost of Material Total of all parts used Each activity can use many parts
Final Database
Fact Source 65,908 Records. Represents all maintenance activities between 2002 and 2005 Corrective Maintenance Preventative Maintenance Surveillance Testing
Baby Cube
Question How much did STP spend of maintenance between January 1, 2002 and Dec 31, 2005?
Baby Cube’s Data
Cube Example Time PM Activity Cost Fact Craft
Cube for PM Costs
PM Cube’s Data Notice the increased cost of the item in yellow, this is something we would want to investigate
A Cluster
A Decision Tree
The End So Long and Thanks For All The Fish!