QR worker identity cards
Each worker carries a QR code linking to their live certification record — scannable by any site supervisor.
Construction
Subcontractor Compliance Passport — Construction Site
WALKTHROUGH · HYPOTHETICAL
8 STAFF USERS
MID-SIZE CONSTRUCTION COMPANY · 4 ACTIVE SITES
8 WEEKS BUILD TIME
KEY OUTCOME
Cert compliance gaps: 40% → 0% within 6 weeks of go-live
THE PROBLEM
What was happening before
The company managed 500+ subcontract workers across 4 active sites. Each worker carried physical documents — safety training certificates, trade licences, medical fitness certificates — that site supervisors were supposed to verify at gate entry. In practice, nobody had time to check 80 documents every Monday morning.
The company's HSE manager spent two hours every Monday in an Excel spreadsheet, manually updating who had renewed what. When a worker's safety certificate expired mid-week, nobody knew until an inspector caught it on site.
The incident cost ₹4L — less in the fine, more in the investigation, the project delay, and the HSE manager's time for 3 months of documentation. The company decided the Excel approach was not sustainable.
“We had an incident last year. The worker's safety certificate had expired 40 days earlier. Nobody caught it. The fine was smaller than the investigation cost.”
BEFORE
500+
Workers with no centralised cert record
2 hrs
Monday morning cert-check routine (Excel)
40 days
Longest undetected cert expiry on record
₹4L
Estimated cost of last compliance incident
THE SYSTEM
What I built
I built a centralised compliance passport system. Each worker has a unique QR code — site supervisors scan it at gate entry and see a live green/amber/red compliance status in under 3 seconds.
The system monitors every cert across every worker and fires alerts at 30, 14, and 7 days before expiry — to the HSE manager, the site supervisor, and the worker themselves.
The head office dashboard gives real-time visibility across all 4 sites. The Monday morning Excel routine was eliminated on day one.
30/14/7-day expiry alerts
Automated alerts to HSE manager and worker at 30, 14, and 7 days before cert expiry.
Multi-site compliance dashboard
Head office view shows all sites, all workers, all cert statuses — updated in real time.
THE OUTCOME
What changed
In the first 6 weeks, the system flagged 47 upcoming cert expirations that the Excel sheet had not surfaced. All 47 were renewed before expiry.
No expired certificates have been present on any site since go-live. The HSE manager's Monday routine went from 2 hours to 2 minutes.
BEFOREUnknown
improved to
AFTER0 — blocked at gate
Workers with expired certs on site
BEFORE2 hrs/week
improved to
AFTER< 2 min
Time to check full site compliance
BEFORE0 days (reactive)
improved to
AFTER30 days (proactive)
Cert expiry visibility lead time
BEFORE₹4L+ per event
improved to
AFTER₹0 since go-live
Incident-related compliance costs
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