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Elements and Performance Criteria

  1. Review process data
  2. Apply define, measure, analyse, improve, and control and standardise (DMAIC) process to priority areas
  3. Establish/review control strategies
  4. Review and confirm improvement

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Competitive systems and practices include one or more of:

lean operations

agile operations

preventative and predictive maintenance approaches

statistical process control systems, including six sigma and three sigma

Just in Time (JIT), kanban and other pull-related operations control systems

supply, value, and demand chain monitoring and analysis

5S

continuous improvement (kaizen)

breakthrough improvement (kaizen blitz)

cause/effect diagrams

overall equipment effectiveness (OEE)

takt time

process mapping

problem solving

run charts

standard procedures

current reality tree.

DMAIC includes all of:

define

measure

analyse

improve

control and standardise.

Definition of the project includes all of:

completed, verified and validated as in process map

suppliers, inputs, process, outputs, customers (SIPOC) diagram

discrepancies to current 'as is' process map

formation and briefing of project team

defining business case for project

problem statement

goal statement

project scope.

Metrics includes one or more of:

key measures/attributes

sampling schedule for project

defect rate

other metrics required by the business.

Analyse includes one or more of:

statistical analysis of data

root cause analysis (RCA)

failure mode and effects analysis (FMEA)

use of various other problem solving/analysis tools.

Improve includes one or more of:

generating and testing of improvements

selecting appropriate improvements.

Control and standardise includes all of:

documenting (in organisation approved format) outcomes and procedures for standardisation

transferring ownership of improved process.

Sampling schedule includes one or more of:

sampling frequency

type of sample/sample method

sample location/type

type of test/data to be collected.

Process control strategy includes one or more of:

degree of intervention/rules for resets

SPC tools to be used.

Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria and include the ability to manage six sigma for process control and improvement in the workplace for one (1) or more processes to:

review process data to identify improvement priorities and degree of intervention

apply DMAIC to make and then standardise improvements

collect and analyse data to confirm improvement

determine and review improvements obtained.

Knowledge Evidence

Must provide evidence that demonstrates sufficient knowledge to interact with relevant personnel and be able to manage the application of six sigma (or similar), including knowledge of:

identification and definition of six sigma (or similar) projects

sampling, data collection, and analysis

determining quantifiable benefits

DMAIC methodology and application

charting, including Pareto charts, fishbone diagrams, PICK charts, run charts and scatter diagrams

statistical principles and analysis, including confidence limits, analysis of variance, frequency distribution tables, histograms, arithmetic mean, median, mode, standard deviation, range, interquartile range, correlation and dependence

acceptance criteria/confidence levels

failure mode and effects analysis (FMEA)

process mapping

suppliers, inputs, process, outputs, customers (SIPOC) mapping

types of data (e.g. discrete/continuous/attributes) and their use in six sigma.