Six Sigma Control Plan
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Six Sigma Control Plan – Needs and Strategies


Profitability may be a vital a part of each and each organization. The profitability of a corporation is calculated after the entire revenue collected from the sales procedure is then reduced by the entire investment made by the organization for the assembly . Many organizations use several methods as increasing the revenue collection by increasing the sales number or by reducing investment, but both methods are extremely outdated and aren’t practical in today’s organizations. The most helpful way in which companies can actually boost their profitability is by working on a project. A project may be a temporary endeavor of a corporation that’s completely focused on providing the corporate with a singular product to possess a market impact. The project reduces the investment made by the corporate by an excellent margin and also increases the sales number allowing the organization to experience the simplest of profitability. There are numerous project management practices used in most organizations all over the world, and one of the most prominent project management methodology adopted by many project management professionals is six Sigma.

Lean Six Sigma is one among the foremost prominent projects management methodology because it is that the combination of two of the foremost prominent project management methodologies, like Lean and 6 Sigma. These project management methodologies are adopted the foremost of the professionals and organizations everywhere the planet who are working with projects. The lean six Sigma functions on many principles and methodologies and also has different levels of certification. Most prominent and certifications within the field of lean six Sigma is that the lean six Sigma certification..

A control plan can be defined as a written summary of the process that entails about the steps to be taken in order to maintain a process or a device operating at the current level of performance. Control plans generally consists of description of each step in the process and the lacunae to be checked in order to ensure no deviation from the planned strategy.

The Need for a Six Sigma Control Plan

The need for a six sigma control plan is aimed in order to enhance the performance of the project team and also to make them sustainable over a period of time. The plan is, usually, conceived at the improve phase of the define, measure, analyze, improve, control (DMAIC).

The Control Plan consists of a concise and overall  information relevant to a particular project in order to make the quality specialist ascertain whether the project is going well or not. In case, it is not due to any sort of deviations, delays, and wasteful overheads, he takes proper recourse to rectify it. 

Why Use A Control Plan?

A Control Plan provides a single point of reference for understanding process characteristics, specifications, and standard operating procedures -also known as SOP- for the process. A CP allows for the assignment of responsibility and allocation of accountability for each activity within the process. This ensures that the process is executed smoothly and is sustainable in the long run.

A control plan plays a major role in order to tackle adverse business effects from flaws and rectify the performance of the KPIVs and KPOVs (Key Performance Input and Output Variables).

Control Plan Strategy

A Control Plan may include the following items:

  1. Process Flowchart: This gives a broad, high-level overview of the process , which helps in smooth  and quick reference at any stage for better understanding.
  2. The CTQs: CTQs stand for critical-to-quality trees. They help in streamlining the  design specifications in accordance with the  customer requirements.
  3. Process Step: This part contains the name or label of the step in the process.
  4. Specification Characteristic: This part is used to record the characteristic of a specification.
  5. Specifications: This records the numerical values of the specifications and the unit of measurement.
  6. Measurement Method: This column, on a particular basis, records the process that was used to specify the measurement, say, forinstance, the Vernier caliper.
  7. Frequency of Measurement: It highlights the frequency with which samples are chosen for measurement, say for instance, Hourly, daily, etc.
  8. Corrective Action: The corrective actions that are taken are to be recorded precisely. This helps in providing for a reference in the future, incase, any.
  9. Standards: The quality standard and the SOP or Standard Operating Procedure or guidelines to be followed must be recorded, in order to manufacture operations and control plans in the business.
  10. Additional Documentation: Additional documents may include the fields as the person taking the measurement, the date, place, and time at which the recording was made, revision number and version control, location, and so forth.
  11. Sample Size: Sample size gives the information about the size of the sample chosen for measurement.

Have an eye on the following things before you initiate a Control Plan

  1. Measurements and Specifications: The Control Plan must be designed in accordance to customer, stakeholder’s satisfaction and the lacunae present.
  2. Process Design and Execution: A proper process design of the plan and execution thereof is vital.
  3. Frequency of Reporting and Sampling Methodology: This helps in having a better monitoring of process, that too in proper time.
  4. Recording: In order to record and store information, Plan sheets should be made. This helps in assessment, planning, testing, and implementation of the same.
  5. Corrective Actions: Corrective actions must be pre-determined.
  6. Input and Output: One should decide the input and output of the IO parameters at required stages of the Control Process for free, unaffected flow of controlling information
  7. Process Owner Identification and Documentation: Process owners are the persons who possess the requisite authority to make changes to a process midway through a project. They must be identified beforehand.


Control Plans are used, in a great extent, by Six Sigma professionals. They form an important part of the Six Sigma set of methodologies. Any person having a Six Sigma Yellow Belt Certification/ Six Sigma Yellow Belt Training, this strategy can be suitable for them as well.

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