The hidden costs of a QA system that lags behind construction
When QA trails the work, the consequences show up in your margins, not just your admin
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In construction, QA and progress are supposed to move together. In practice, on a lot of projects, the documentation runs somewhere behind the physical work. It could be days, weeks, or months, even right up until handover when someone has to pull all QA documentation together under pressure.
That gap is treated as normal, under the assumption is that as long as the work is good, the paperwork will sort itself out. What that doesn’t factor in is the financial hit that accumulates when QA is not keeping pace: defects caught too late, disputes with no paper trail to resolve them, and payment claims held up because the evidence is not ready.
Defects caught late cost more to fix
A non-conformance caught during the work is straightforward to address. The crew is still on site, the area is accessible. The same defect caught at handover is a different problem. Other trades may have worked over the area, access has to be arranged, and what should have been a minor correction becomes a formal defect and a client conversation.
A lagging QA system does not cause defects. But it removes the early warning system that would have caught them while they were still cheap to fix
Disputes depend on documentation
When something goes wrong and parties disagree, you need a source of truth. A QA system that runs behind work features records created after the fact. When those are called into question, there is little to fall back on.
Viridian Glass experienced this directly. Before CONQA, one of their biggest challenges was being blamed for damage caused by other trades after their installation was complete. Without a clear record of handover, it was their word against someone else's. CONQA changed that as they now have a timestamped record of all work.
"If the QA is not there, they can hold that item in the claim. When we're doing millions of dollars of work in a month, holding up millions of dollars of payment is not okay for a business of our size."
Carolyn Gardner MS Civil
The cashflow effect
This is where lagging QA has the most direct commercial consequence. More and more civil contracts require QA evidence before a payment claim can be approved. If the QA is not there, the claim waits.
"More and more frequently, if we don't provide QA, we're not getting paid that following month."
The numbers back it up. Since implementing CONQA, Viridian Glass' on-time payment rate has climbed from 50 to 60 percent up to 80 percent, and bad debt has reduced by an estimated 30 to 40 percent. Those are the direct financial results of QA that moves with construction rather than trailing behind it.
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What changes when QA keeps pace?
When QA is captured in real time, defects surface while they are still easy to address, documentation is ready when questions arise, and payment claims go out when the work is done. Handover becomes a demonstration of what has been documented throughout the project rather than a period of frantic catch-up.
Crews do not do more work. The work they are already doing gets recorded at the right moment, in a way that protects everyone downstream.
If your QA is consistently lagging behind your programme, the costs are probably higher than they appear.