Waste and failure demand
Lean Conference, University of St.
Andrews
November 2010
Muri, mura, muda
Muri = overburden
Muda = waste
Mura = unevenness, fluctuation, variation
No Muri, Mura or Muda
7 Manufacturing Wastes
Movement
Transportation
Over Processing
Over production
Inventory
Defects
Waiting
7 Service Wastes
Duplication
Opportunity lost
Movement
Errors
Unclear
communication
Delay
Inventory
Failure Demand
• Failure Demand:
The demand caused by a failure to do something or
not do something right for the customer
Failure Demand
• “Fire fighting”
• Creates ‘noise’ in the system
• False idea about what customer demand is
• Damages customer value
• Overloads our staff
• Creates a negative organisational culture
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