Sheet17+1 Wastes Worksheet

The Seven Muda (the Japanese word for any activity that consumes resources but adds not value; also known as waste)According to Taiichi Ohnos enumeration of the types of waste commonly found in physical production of tasks and conversion of activity into services W1) Overproducing ahead of demandW2) Waiting for the next process stepW3) Unnecessary transport of materials [and information]W4) Over-processing of parts due to poor tool and product design [extra and over processing documents and approvals]W5) Inventories [of parts, data, information, people, electrons, cash] more than the absolute minimumW6) Unnecessary movement of people [parts, data, information, electrons, cash], during the course of work or processing (looking for things, help, etc.)W7) Production of defective parts [and services that are not performed correctly]W8) Under or over-utilizing people, not using people top their full potential (This is the "8th" or extra waste beyond Ohno's original "7" wastes)

Instructions:1)Identify at least 3 examples of each of the 8 Wastes2)If you can't find them in your workplace, then look around you and find them in your house or in your communityFor each "Waste" occurrence: 3)Estimate (then later verify) how often it happens: you will have to decide the most appropriate units: hourly, daily, yearly. etc.4) Estimate (then later verify) the amount of the occurrence: you will have to define the measurement in number of pieces/occurrences, weight, volume, lines of code, etc.5)Estimate (then later verify) the cost

Identifying Waste Exercise(A) Waste Examples: (B) Description:(C) How Often(D) Time Duration of Measure(E) Amount or Quantity Measured(F) Unit(s) of Measure(G) Cost of the Waste(H) Explanation of Unitsexample(W2) waiting for cups while serving coffee at a Tim Horton's Shopcoffee is ready but all cups are in the dishwasher resulting in the customer and server having to wait for the cleaning cycle to finish3 timesper day6 cupsdishwasher load =36 cups75total person minutes per dayexample(W3) transport of partially finished goods into warehousemachine shop produces too many parts in large batches so parts have to be moved into the warehouse until needed6 timesweek4 of Part A3 of Part C9 of Part Gskids

damage$2000

$400$ (labour, handling equipment, inventry cost, damage) per week example(W5) extra inventory of partially finished goods in warehousemachine shop produces too many parts in large batches so parts have to be moved into the warehouse until needed6 timesweek4 of Part A3 of Part C9 of Part Gskids$50,000 per yearcost of carrying & storingWaste(A) Waste Examples(B) Description:(C) How Often(D) Time Duration of Measure(E) Amount or Quantity Measured(F) Unit(s) of Measure(G) Cost of the Waste(H) Explanation of Units1)Overproducing

2)Waiting

3)Transport

4) Over-processing

5) Inventories

6)Movement

7) Defects

8) a)Under-utilized People

8) b)Over-utilized People

Total =

Sheridan Quality Assurance Program &"-,Bold" "7+1" Wastes Worksheet &"-,Regular" &P of &N "&F"

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