postheadericon 7 Effective Steps for Handling your Nonconformances



by Ed Caldeira


Whether you are dealing with difficult or simple nonconformances, your construction quality control plan should outline a methodical process to manage them. That way, you will continually deliver quality results. Your customers will have confidence that you firmly control plan deviations till you find the appropriate resolution.

In quality assurance circles, we don't use the term nonconformance for all defects. Instead, we keep the term for defects that you can not quickly or cost effectively fix to attain your project's quality standards.

Here's one example of a straightforward nonconformance. If you poured a concrete foundation that was an inch too wide, you'd need to chip off the additional width or rework the foundation to correct it.

This situation may not have a dangerous affect on form, fit, or function. So, redoing it potentially doesn't appear sensible. However if you decide to use-as-is, you will need to get your project owner’s approval. This added step means you won't be able to deal with the defect in a timely manner therefore you'll have to handle it as a nonconformance.

Step 1: Marking

Step one is to identify the area plainly to stop use or inadvertent cover-up. This is particularly important since determining the right corrective action or getting your clients' approval will take some time.

You'd probably mark the foundation nonconformance with barrier tape. For other nonconformances, you can use paint, tape, a tag, or other easily observable signal. Despite how you decide to mark your nonconformances, ensure that they can't be covered up inadvertently.

Step 2: Controlling

If continuing to work can adversely have an affect on quality or hide the defect, then stop work in the area till you can correct the nonconformance. Your field staff should decide what, if any, limitations they should put on working in the area.

It's also best-practice to inspect formerly completed work of a consistent nature to make sure it does not contain similar deficiencies.

Step 3: RecordingWhen you have marked and controlled the nonconformance area, the next step is to complete a nonconformance report. Use the report to explain the deficiency and present it to a higher authority for a disposition (decision on how to proceed).

A nonconformance report also is a record of actions taken including decisions that'll be made on the disposition, corrective action, and preventive action for the nonconformance.

Step 4: Settling on a Disposition

Next, you will make a choice on the disposition of the nonconformance. You can manage a nonconformance in one of four common ways: replace, repair, redo, and use-as-is. Consider the definitions below when deciding the best plan.

REPLACE: Use this remedial action when replacing the nonconforming product or material with a conforming product or material will fix the deficiency.

REPAIR: Use this curative action when re-machining, reassembly, reprocessing, reinstallation, or completion of the operations will fix the deficiency.

REWORK: Use this corrective action when redoing will make the nonconformance sufficient for its intended use, even though it might not meet all plan standards. Remember , your customer must approve the change.

USE AS-IS: Use this curative action when the nonconforming item is sufficient for its intended use. Any use as-is items that don't meet all design essentials must be accepted by your client.

Bear in mind, if the fixes will not bring the nonconformance into spec, then you should always seek your project owner's approval.

Step 5: Corrective Actions

Once you perform the corrective action, you'll need to confirm that you've eliminated the problem or corrected it to the level indicated by the disposition on the nonconformance report.

Sometimes corrective action training is necessary. This would be useful if personnel are not familiar with the kind of fix or redo that must be done or they're not familiar with the correct way to install a replacement.

Step 6: Reinspecting

After you've eliminated the nonconformance, reinspect your work and remove your marks.

Step 7: Preventing

Correcting issues found during quality inspections isn't acceptable. You should regularly look for methods to improve quality and prevent similar issues from occurring in the future.

As an element of your systematic approach, you need to look at the frequency, seriousness, and detectability of the nonconformances you've found on your present project as well as your past. You can do this by reviewing company quality performance and customer feedback.

Training is an aspect of prevention that you should not overlook. Once you've identified the reasons behind your nonconformances, include regular coaching and/or toolbox talks geared at stopping future occurrences.

Conclusion

Defects and nonconformances are common part of construction. Having a planned approach to finding, resolving, and preventing future occurrences is the main difference between notch construction company and an average one.




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