Just 5s it!

There are five primary 5S phases: They can be translated from the Japanese as “sort”, “straighten”, “shine”, “standardize”, and “sustain”. Other translations are possible.

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Seiri

整理 (Sort)

  • Remove unnecessary items and dispose them properly
  • Make work easier by eliminating obstacles
  • Reduce chance of being disturbed with unnecessary items
  • Prevent accumulation of unnecessary items
  • Evaluate necessary items with regard to cost or other factors
  • Remove all parts not in use
  • Segregate unwanted material from the workplace

Seiton

整頓 (Straighten)

  • Can also be translated as “set in order” or “streamline”
  • Arrange all necessary items so they can be easily selected for use
  • Prevent loss and waste of time
  • Make it easy to find and pick up necessary items
  • Ensure first-come-first-served basis
  • Make workflow smooth and easy

Seiso

清掃 (Shine)

  • Can also be translated as “sweep” or “sanitize”
  • Clean your workplace completely
  • Use cleaning as inspection
  • Prevent machinery and equipment deterioration
  • Keep workplace safe and easy to work

Seiketsu

清潔 (Standardize)

  • Sometimes translated as “sweep”
  • Maintain high standards of housekeeping and workplace organization at all times
  • Maintain cleanliness and orderliness
  • Maintain everything in order and according to its standard
  • Everything in its right place
  • Prominently display a picture or diagram showing the proper layout of the workspace

Shitsuke

躾 (Sustain)

  • To keep in working order
  • Also translates as “do without being told” (though this doesn’t begin with S)
  • Perform regular audits

Additional Ss

Other phases are sometimes included e.g. safety, security, and satisfaction. These however do not form a traditional set of “phases” as the additions of these extra steps are simply to clarify the benefits of 5S and not a different or more inclusive methodology.[citation needed]

Safety

The phase “Safety” is sometimes added.[3] There is debate over whether including this sixth “S” promotes safety by stating this value explicitly, or if a comprehensive safety program is undermined when it is relegated to a single item in an efficiency-focused business methodology.

Security

The phase “Security” can also be added.[citation needed] To leverage security as an investment rather than an expense, the seventh “S” identifies and addresses risks to key business categories including fixed assets (PP&E), material, human capital, brand equity, intellectual property, information technology, assets-in-transit and the extended supply chain. Techniques are adapted from those detailed in Total security management (TSM) or the business practice of developing and implementing comprehensive risk management and security practices for a firm’s entire value chain.

The Origins of 5S

5S was developed in Japan and was identified as one of the techniques that enabled Just in Time manufacturing.[4]

Two major frameworks for understanding and applying 5S to business environments have arisen, one proposed by Osada, the other by Hirano.[5][6] Hirano provided a structure for improvement programs with a series of identifiable steps, each building on its predecessor. As noted by John Bicheno,[7] Toyota’s adoption of the Hirano approach was ‘4S’, with Seiton and Seiso combined. Although the origins of the 5S methodology are in manufacturing, it can also be applied to knowledge-economy work, with information, software, or media in the place of physical product.[8]

 

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