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What is 6S Lean? - Integrating Safety in the 5S Method

What is 6S Lean? - Integrating Safety in the 5S Method
July 23, 2024
Digital Transformation
Smart Audits
Lean Manufacturing
Compliance

The 6S (Six S) method, an extension of the 5S methodology, adds safety alongside improving efficiency and productivity. Rooted in lean principles and the Toyota Production System, 6S optimizes workplace operations and quality. 

By refining processes, the 6S method helps boost the bottom line. It provides practical steps for creating a lean workplace, establishing 6S standards, and driving significant improvements.

What is the 6S Method?

Definition of 6S 

The 6S method, an extension of the 5S method, is a systematic process aimed at improving workplace efficiency and safety. Originally derived from Lean Management principles, 6S stands for Sort, Set in Order, Shine, Standardize, Sustain, and Safety. 

The 6S method involves these six key elements to create a lean, efficient, and safe workplace.

Why 6S over 5S?

While 5S focuses on removing clutter to streamline operations, 6S adds a crucial layer: safety. This is especially important in high-risk industries like manufacturing, construction, and healthcare, where emphasizing safety can significantly reduce workplace hazards. 

Both 5S and 6S help organize and optimize the workplace, but 6S also builds a safety culture that engages all employees in maintaining standards and addressing safety issues. Understanding 6S is key for organizations aiming to enhance beyond the 5S approach.

The Six Components of 6S and Their Importance

6s Method Steps

Sort (Seiri)

The first step, Sort, involves decluttering the workspace by removing unnecessary items. This process not only frees up space but also reduces distractions, allowing for a more focused and efficient work environment. Effective inventory management is a key aspect of the Sort phase, ensuring that only essential items are kept in the workspace.

Set in Order (Seiton)

Following sorting, Set in Order ensures that all necessary items are organized and easily accessible. This stage emphasizes the importance of having a logical storage system, which saves time and reduces errors by making it easy to find and retrieve items. Visual management techniques, such as labeling and color-coding, are often employed during this phase to enhance organization and efficiency.

Shine (Seiso)

Shine focuses on maintaining a clean and orderly workspace. Regular cleaning prevents buildup of dirt and debris, which can cause equipment malfunctions and health issues. This step also involves inspecting equipment for defects which could lead to potential safety hazards. Proper equipment maintenance is a crucial aspect of the Shine phase, ensuring that all tools and machinery are in optimal working condition.

Standardize (Seiketsu)

Standardization involves creating uniform procedures and schedules to maintain the cleanliness and order established in the previous steps. This ensures consistency and helps instill discipline and a sense of responsibility among employees. Standardized procedures are essential for maintaining the gains achieved through the 6S implementation and fostering a culture of continuous improvement.

Sustain (Shitsuke)

The fifth component, Sustain, is about ensuring that the standards set in the previous steps are followed consistently over time. This requires ongoing 6s training and reinforcement to integrate these practices into the daily routine of the workplace. Employee engagement is key to sustaining the 6S methodology, as it requires the active participation and commitment of all team members.

Safety (Anzen)

Safety, the final component, integrates protective measures into each step of the 6s principles. It focuses on preventing accidents and injuries by addressing potential hazards in the workplace. Safety measures are not only about compliance but enhancing the overall well-being of employees. Hazard identification, risk assessment, and the use of personal protective equipment are all critical elements of the Safety phase.

Checklist

Steps to Implement the 6S Method in Your Workplace

Step 1: Preparation

Begin with a comprehensive assessment of the current state of your facility. Identify areas that require improvement and establish clear objectives for the 6S implementation. This step is critical for setting a baseline and ensuring that all subsequent actions are aligned with organizational goals. Effective 6s management during the preparation phase lays the foundation for a successful implementation.

Step 2: Training

Equip employees with the knowledge and skills to implement the 6S method effectively. Training should cover the principles of Sort, Set in Order, Shine, Standardize, Sustain, and Safety. 

All team members need to understand the importance of each component and how they contribute to workplace efficiency and safety. 6S training should be ongoing to keep employees up-to-date with best practices.

Step 3: Execution

Initiate the 6S process with the first three components: Sort, Set in Order, and Shine. This involves decluttering the workspace, organizing items logically, and implementing regular cleaning schedules. 

These steps are foundational and prepare for more advanced 6S practices. Successful execution requires active participation and commitment from all employees.

Step 4: Monitoring

After the initial implementation, it's crucial to monitor the progress and effectiveness of the 6S method. This includes regular 6S audits and feedback sessions to ensure standards are maintained and identify areas for improvement. 

Continuous monitoring helps sustain gains and fosters a culture of continuous improvement. 6S organization is an ongoing process that requires regular evaluation and adjustment.

Step 5: Continuous Improvement

The final step is to continuously refine 6S practices. Encourage employees to suggest improvements and make it a routine to identify inefficiencies and safety issues. This ensures that 6S becomes a core part of the organization, driving ongoing improvements and innovations. Continuous improvement is central to the 6S approach.

Digital 6S Checklist and Daily Audits

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Mobile2b’s digital 6S Checklist and audit platform tailors checklists to your business needs. Our expertise in 6S methodology simplifies daily audits and boosts workplace efficiency. Partner with Mobile2b for effective 6S practices, structured checklists, and continuous improvement.
Try our digital 6S Checklist App for free, start your 6S journey with Mobile2b today!

Benefits of the 6S Method

Increased Efficiency

The 6S method boosts workplace efficiency by cutting clutter and keeping essential tools and materials organized and accessible. This streamlined setup helps employees focus, reduces the time spent searching for items, and minimizes distractions and downtime. Enhanced efficiency is a key goal of the 6S program.

Improved Safety

Safety is a core part of the 6S method, which includes strict protocols to reduce risks and prevent accidents. By maintaining cleanliness and order, potential hazards like spills or equipment issues are quickly spotted and managed. This creates a safer work environment, supports employee well-being, and meets regulatory standards. Improved safety is a major benefit of the 6S approach.

Reduced Waste

A key benefit of the 6S method is its ability to significantly reduce waste. By identifying and removing unnecessary items, it optimizes resource use and streamlines processes. This leads to lower costs and improved operational efficiency. The 6S principles are focused on minimizing all types of waste.

Enhanced Employee Morale

The 6S method creates a positive, organized work environment that enhances employee engagement and job satisfaction. Its focus on structure and cleanliness leads to a more attractive workplace, boosting pride and motivation. Implementing 6S also improves teamwork and communication, resulting in a more cohesive and satisfied team.

Example of 6S (Six S) Checklist for Implementing the 6S Method in a Manufacturing Environment:

Sort (Seiri)

  • Are obsolete tools and equipment removed from the workspace?

  • Have unnecessary materials and supplies been disposed of?

  • Is the workstation free of clutter and unnecessary items?

Set in Order (Seiton)

  • Are tools and materials stored in designated places for easy access?

  • Are storage areas clearly labeled and organized for efficiency?

  • Is there a clear system for material flow to optimize production processes?

Shine (Seiso)

  • Is the work area cleaned daily to maintain a neat environment?

  • Are machines and equipment regularly maintained and checked for cleanliness and functionality?

  • Are cleaning supplies available and properly stored to support regular cleaning routines?

Standardize (Seiketsu)

  • Are standard operating procedures (SOPs) documented and visible to all employees?

  • Are there visual aids to guide proper organization and cleanliness in the workplace?

  • Are schedules for cleaning and maintenance adhered to consistently?

Sustain (Shitsuke)

  • Are regular 6S audits conducted to ensure adherence to standards?

  • Are employees continuously trained and reminded of 6S principles and practices?

  • Are 6S practices consistently followed and enforced throughout the organization?

Safety

  • Are safety hazards identified, marked, and communicated to all employees?

  • Is personal protective equipment (PPE) available and used properly by all staff?

  • Are emergency procedures and exits marked and accessible?

Conclusion

The 6S method combines Sort, Set in Order, Shine, Standardize, Sustain, and Safety to enhance workplace organization and safety. It goes beyond arranging the physical space by fostering a culture of continuous improvement, accountability, and proactive safety measures. This method improves efficiency, morale, and employee well-being.

The 6S method not only delivers immediate benefits but also drives long-term growth and innovation. It helps businesses stay competitive by integrating safety and efficiency into daily operations, leading to cost savings and a strong organizational culture.

6S Method FAQs

What’s the difference between 5S and 6S? 

5S focuses on Sort, Set in Order, Shine, Standardize, and Sustain. 6S adds Safety as a critical component, enhancing workplace safety along with organization and efficiency.

Which step in the 6S method is integral to all others?

Safety is the element of the 6S method that integrates with all other steps. It involves identifying potential hazards at each stage and developing strategies to eliminate these risks, ensuring the safety and productivity of workers.

What does a 6S implementation plan involve?

A 6S implementation plan focuses on enhancing workplace efficiency by adopting the six principles: Sort, Set in Order, Shine, Standardize, Sustain, and Safety. This strategy leads to several benefits, including improved efficiency, better safety measures, minimized waste, and enhanced communication among staff.

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