Marc
With process maps, I have discovered a few things over time.
Process maps are inherently manual information and therefore are currently not useful as operational devices which allow transactions to occur. There is a vast opportunity for software companies in this area with an advancement of Mapping and related software transaction. Many of the current manufacturing software packages still exist in menu format.
I find it interesting that ISO MSS's support PDCA (PDSA) as the process method of choice, however engineering and auditing disciplines in most cases don't follow this process when considering mapping.
The most helpful consideration for auditing I have discovered is to consider process activities (inputs, transformation, outputs) as planned risk and control events, related to Deming's idea of variation (common and uncommon causes) which can include as focus any one or a multiple of disciplines (quality environmental health & safety, security, financial etc), set in PDSA or PDCA format. Interfaces and their related activities are determined as effective planning activities. Controls indicate some determination and ranking of risk has occurred. Here is a simple explanation of how I use the PDCA for manufacturing auditing.
Plan
Manufacturing
Inputs would include:
The activities and controls for such things as:
Material, Manpower, Machines, Infrastructure, Work Environment
Do/Check
Manufacturing
Transformation would include:
The activities and controls for the Methods used to manufacture conforming product and control any non-conformity.
Do/Check
Manufacturing
Outputs would include:
Products or services which meet customer requirements (which obviously would require records as evidence)
and a whole host of other outputs depending upon the disciplines being considered at the time of audit.
Study-Check/Act
The final step in this Process Map is
Management, which includes:
Analysis and Review of data and the actions related to analysis and review which include things such as: Stay the course, Consider Improvements, Reassess capability/ability and determine a course of action.
Yes I leave out root cause, because its a function of the actions related to Reassessing capability or ability.
I find even entry level auditors can easily grasp hold of this format and perform very effective audits by staying focused on the activities and controls at various stages of the process under single or multiple disciplines.
Even with a modest understanding in Materials, one can determine that things such as; Identification, Status, Preservation, Traceability, Handling, Packaging, Storage, Delivery, Scanning, Competence, are all necessary controls for several disciplines.
With this tool, auditors don't need to understand numbered sections of an ISO MSS, or conceive the meanings of turtle diagrams, they simply need an understanding of:
- The Process method PDCA,
- Some knowledge of risk and how to handle risk (Vehicle insurance and accepting or transferring risk is a good place to get people started)
- Deming's causes of variation (common and uncommon)
I find with this method, folks don't tend to get bogged down or wander off track when performing audits. Further since the controls are defined in most cases, its difficult for anyone to B/S their way round either their absence, or ill use.