Whitepaper
Last updated: 2026
Introduction
Getting the right version of a construction drawing into the right hands, at the right moment, is one of the most persistent challenges in modern construction. On multi-disciplinary projects, where drawings move through architects, engineers, contractors, and subcontractors, it takes only one outdated PDF on-site to create rework, delay, or a safety incident. Small design changes that happen while preparation or execution is already underway can have consequences that are anything but small.
This is the problem F5 Scan was built to solve. F5 Scan uses QR codes to make version and status of any document instantly verifiable, on the phone your team already carries, without an app, without a login.
In this whitepaper we explain how F5 Scan works, how it fits inside your existing Document Management System, and how it changes the economics of version control on a construction project.
Our aim is simple: make version control so clear and so fast that the number of outdated documents reaching the construction site drops to zero. Every section below is about getting you closer to that.
Chapter 1: Background
Accurate information is the lifeblood of every project organization. Being able to trust that you have the latest, correct version of a document is not a nice-to-have. It is the difference between a project that delivers and one that hemorrhages cost.
Document Management Systems are standard practice today. They organize storage, access, and sharing. What they do not solve is the last-mile problem: making sure the person physically holding the drawing on-site knows, with certainty, that they are holding the right version. F5 Scan closes that gap.
Unchecked, the gap is expensive. One outdated revision on-site cascades into rework, rescheduled trades, safety risks, and failure costs that nobody budgeted for. These are the cumulative losses the construction industry describes as failure cost, and version control is one of the most preventable sources.
F5 Scan does two things. It generates unique, intuitive QR codes tied to each version of a document, and it makes those QR codes instantly verifiable from any smartphone camera. Green on your screen means you are on the current approved version. Red means stop: a newer version exists, and action is required before you continue.
The result is a safer, more efficient build process, and a measurable drop in the number of wrong documents reaching the site.
Chapter 2: How F5 Scan works
F5 Scan automates QR-code placement on any PDF document. One scan on-site tells your team whether they are working from the right version.
Here is how it works, in five steps:
Add a placeholder to your drawing template
Every PDF that needs a QR code starts with a small, static placeholder image. You place it once, in a spot that stays clear of other drawing elements. The size and position are up to you, and it can live directly inside your existing template, so no one has to remember to add it later.
Upload the drawing to your DMS
Save the PDF to your DMS in the location you normally use. No extra system, no parallel folder.
We replace the placeholder with a version-specific QR
Within a minute, F5 Scan picks up the document, replaces the placeholder with a unique QR code tied to that exact version, and writes the result back to the same location in your DMS. Upload a new revision and the cycle repeats automatically. The older version is marked outdated.
Scan on-site
Anyone on-site can scan the QR with the camera on their phone. No app, no login. Green means you are on the current version. Red means stop: a newer version exists.
Monitor everything in the dashboard
The F5 Scan dashboard shows every document processed and every scan performed across your projects. You can see, per project, how many documents are live, how often outdated versions have been detected, and where version hygiene needs attention. It is the safety net that proves your document control actually works.
Chapter 3: Benefits
F5 Scan delivers benefits that compound across the quality of your document control, the productivity of your team, and the cost of your project.
Efficient version management
Automated QR placement makes version control fast by default, not a manual process someone has to remember.
Real-time document control
Scan any QR with a smartphone and get an immediate read on the version and status of the document.
Simple to use
No app, no login, no training. The camera everyone already has is the entire interface.
Integrates with your existing DMS
F5 Scan drops into the Document Management System you already use. There is nothing to replace.
Fewer errors on-site
Instant visual feedback makes it hard to build from an outdated revision by accident, which is where most rework starts.
Time saved
Teams stop chasing version numbers by phone and email and spend that time on work that moves the project forward.
Lower failure costs
Fewer wrong documents on-site means fewer claims, fewer reworks, and less of the cost that normally gets written off as failure cost.
Unlimited usage
No caps on users or documents. Every person on the project can scan, and every drawing can carry a QR.
Better communication
When everyone can trust the version in front of them, conversations shift from "is this current?" to actually building.
Full transparency
The dashboard gives leadership a clear, auditable picture of how version control is performing across the portfolio.
Chapter 4: Security and privacy
F5 Scan is designed around one principle: your documents stay yours. Documents are encrypted in transit, and we never store the files themselves. We keep only the metadata needed to verify version status. Access is scoped to your organization.
The QR codes are a matrix barcode; they do not contain a link to the underlying document. That keeps the document protected even if the QR is photographed, shared, or scanned outside your team.
Conclusion
Version control on a construction project is not a documentation problem. It is a cost, safety, and quality problem. Every outdated drawing that reaches the site has a price tag.
F5 Scan is designed to make version control visible and verifiable at the exact moment it matters: when a team is about to build. A one-time template change, automatic QR generation in your DMS, and a scan on-site turn a historically manual process into a system that enforces itself.
The benefits compound. Fewer errors. Lower rework. Safer sites. Better communication. Leadership visibility through a dashboard that shows exactly where version hygiene is holding up and where it is not.
Security is treated with the same seriousness as the problem itself: encrypted in transit, metadata-only, and QR codes that do not expose the document behind them.
If you are ready to stop paying the cost of outdated drawings, F5 Scan is the fastest way to close that gap, and the simplest to roll out across your team.