CONTROLLING WHAT IS NOT UNDER YOUR DIRECT CONTROL
"It is surprising how many times a 'supplier problem' actually has its
root cause in your own organization stemming from internal
miscommunication, inaccurate information or other mishaps that lead to
'mistakes' made by a vendor."
The ISO 9001 requirements for Purchasing (section 7.4) itemize basic
processes that will put you and your suppliers on the same page.
Your ISO QMS then begins with you firming up your own purchasing
processes to improve the information suppliers will rely on to meet your
requirements. Then, controls are put in place to monitor supplier
performance and to take corrective action, if needed. By establishing
strong internal procedures for purchasing, you'll more easily exert the
influence needed to assure quality coming into the loading dock.
MAKING THE RIGHT CHOICE
The purchasing requirements begin with a recognition that your company is responsible to:
… ensure that purchased product conforms to specified requirements. (ref. 7.4.1)
To do this you'll establish controls for your suppliers and your
purchased product that are appropriate based on how the supplied product
might impact your products and/or services delivered to your customer.
If a supplied part is critical, you'll exert more control than if a
part is less important to the quality of your company's output.
This control begins with the selection of suppliers that you'll depend on to meet your own customers' requirements. You'll implement processes for initially qualifying suppliers based on appropriate criteria such as cost, quality and delivery requirements. The criteria you establish should make sense for your business.
Once qualified, suppliers must be reassessed to reconfirm their continuing ability to meet your requirements. This re-qualification will be based on data analysis relating to your suppliers' performance. Section 8.4 of the standard itemizes these requirements. Records for the selection, evaluation and re-evaluation of your suppliers must be maintained.
COMMUNICATION IS KEY
How you communicate with your suppliers has a direct impact on their
ability to meet your requirements. Your documented purchasing
requirements define the target they must hit when delivering their
products or services. The accuracy, clarity and level of detail
provided in your purchasing documents must be ensured though good
internal administrative processes.
Your purchasing information should clearly specify what is required, including as appropriate:
a) requirements for approval of product, procedures, processes and equipment
b) requirements for qualification of personnel, and
c) quality management system requirements. (ref. 7.4.2)
On purchase orders or other documentation be sure that the details
adequately describe the product or service you require including
technical specifications, packaging and delivery requirements and
special requirements for your supplier's internal processes. Again,
depending upon the type of product or service purchased, the information
will include more or less details. Your internal procedure should
ensure that all purchasing information is reviewed before being sent to
your supplier.
b) requirements for qualification of personnel, and
c) quality management system requirements. (ref. 7.4.2)
MAKING SURE IT'S RIGHT
The third purchasing process to address is how you verify that received
material and services are what you ordered and that they fully meets
your requirements. This verification may be through a simple
confirmation when the product is received or may involve formal
inspections or testing. If necessary, you may even want to verify the
product before it is shipped, or allow your customer to do so, by
visiting your supplier's facility for an inspection. If this is
required, you'll need to specify this in your purchasing documentation
when the order is placed or the contract is signed.
A STEP BY STEP APPROACH
As you prepare to implement an ISO 9001 compliant purchasing processes, you might want to follow these steps:
Step 1: Define Criteria for Suppliers
On what basis will you choose your suppliers? What minimum requirements must they meet?
Step 2: Evaluate Current Suppliers
Which of your current suppliers meet your minimum requirements? Which
might need to improve to remain qualified or face being replaced?
Step 3: Establish Qualification Process for New Suppliers
How will you identify, evaluate and qualify new suppliers? How will these qualifications be recorded?
Step 4: Set up Supplier Performance Monitoring Process
What is the best way to track supplier performance? Who will review the data? When will action be taken?
Step 5: Review Purchasing Communication Process
How are your requirements documented for your suppliers? How do you
ensure it is accurate, clear and detailed enough to communicate what is
ordered?
Step 6: Review Purchased Product Verification Process
What procedures are needed to confirm that you receive what you ordered?
When might a visit to a supplier's facility be needed to verify a
shipment?
For many organizations, bringing your purchasing processes up to ISO
9001 standards is an investment of time and effort that must fit into an
already busy schedule. But this effort will not only support your ISO
initiative, it can also be off set by fewer interruptions and
unnecessary costs resulting from poor supplier performance.
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