In: Operations Management
Provide examples of each of the eight types of waste described in this chapter for the following service operations:
Types of wastes: Waste resulting from overproduction, setup time, processing time, waiting time, transportation, movement, inventory, poor quality
1. A supermarket
2. A campus cafeteria
3. A library
4. A dentists office
1. Supermarket
overproduction: extra packing done at checkout counter for the already packed items taken by customer
setup time: time taken to arrange the items on the shelves
processing time: time taken to cut a piece of meat and pack and give to customer
waiting time: customers waiting at checkout counter
transportation: goods being moved from storages to shelves
movement: customer movement from one point to another
inventory: inventory of several items kept in storage areas apart from the shelves
poor quality: items that are past their shelf life or not of good quality not discarded
2. A campus cafeteria
overproduction: a particular item (cereal, etc) prepared and kept in large qty not being taken by students
setup time: time taken to arrange the different food items
processing time: time taken to make a cup of tea or coffee
waiting time: students waiting in a queue
transportation: food moved from kitchen to serving area
movement: students moving from serving area to sitting area
inventory: inventory of several perishable items stored by cafeteria
poor quality: items that are past their shelf life or not of good quality not discarded
3. A library
overproduction: too many covers and labels put on books that are not required
setup time: time taken to arrange the books on several shelves
processing time: time taken to put a label on books to store them in some order
waiting time: students waiting to get the books issued
transportation: movement of books by librarian from storage area to library shelves
movement: students moving in library to browse books
inventory: inventory of large number of books kept in the library
poor quality: old books with torn and worn out pages
4. A dentists office
overproduction: the instruments being packed and kept with too much effort and packing stuff
setup time: time taken by the assistant at the office to arrange the instruments required for a dental procedure
processing time: time taken by the assistant to clean the instruments
waiting time: patients waiting to meet the dentist
transportation: movement of equipment from storage area to dentist room; or within the room
movement: patients moving from waiting area to treatment room
inventory: inventory of medicines and disposable instruements kept by the dentist
poor quality: bad quality of aprons/other instruments being used by the assistant/doctor