Once survey data has been imported into your CAD environment, finding errors can be one of the most time-consuming parts of the workflow. Duplicate points, missing string parameters, incorrect elevations, and self-intersecting strings can remain hidden amongst thousands of survey observations, often only becoming apparent after surfaces have been created.
String Audit, new in Stringer v27, changes that.
Powered by artificial intelligence, String Audit automatically scans your survey strings and COGO points, identifies common data issues, and recommends intelligent repairs, all in a matter of seconds.
The result is cleaner survey data, more reliable surfaces, and significantly less time spent troubleshooting.
Automatically Find Survey Errors

Survey data quality is critical to every downstream design and modelling task.
Rather than manually reviewing thousands of observations, String Audit performs a comprehensive analysis of your survey data, the data that drives every design decision.
This proactive approach allows surveyors to resolve problems early, improving confidence in identifying issues before they have the opportunity to affect your project.
Detect Common Survey Issues Instantly
String Audit automatically identifies a wide range of common survey data problems, including:

-
Duplicate COGO points
-
Duplicate point numbers
-
Missing rectangle parameters
-
Missing close parameters
-
Self-intersecting strings
-
Invalid coordinates
-
Suspicious elevations
-
Poorly structured strings
Instead of manually searching through drawings, every issue is clearly presented for review, making quality assurance faster and more consistent.
Jump Straight to the Problem
Once an issue has been identified, String Audit makes it easy to investigate.
Simply select an item from the audit results and Stringer automatically zooms to the exact location in your drawing.

This immediate visual feedback allows you to quickly understand the issue, verify the problem, and decide on the most appropriate course of action.
No more searching through thousands of survey observations trying to locate a single error.
Repair Problems Automatically
Finding problems is only half the solution.
String Audit also provides intelligent repair tools capable of automatically correcting many common survey issues.

Users can repair individual problems or choose Fix All Auto to apply every available correction in a single operation.
Automatic repairs include:
-
Removing duplicate points
-
Repairing missing parameters
-
Reordering poorly structured strings
-
Applying intelligent corrections where appropriate
This dramatically reduces the time spent performing repetitive editing tasks while improving overall survey quality.
Full Control with the Stringer Undo System
Although String Audit can automate many repairs, surveyors remain in complete control.
Every repair operation is fully integrated with the Stringer Undo system, allowing changes to be reviewed and reversed if required.
This provides the confidence to take advantage of automation while maintaining full control over project data.
Ask the AI for Help
Not every survey issue is immediately obvious.
When you’re unsure what’s causing a problem, simply describe what you’re seeing in plain English.

The built-in AI assistant analyses your survey data, explains potential causes, and recommends the most appropriate solution based on the information available.
Rather than searching documentation or relying on trial and error, surveyors can receive intelligent, context-aware guidance directly within Stringer.

Improve Data Quality Before It Becomes a Problem
Clean survey data is the foundation of every successful project.
By automatically identifying errors, recommending repairs, and providing AI-assisted guidance, String Audit helps surveyors detect problems earlier, improve data quality, and reduce costly downstream issues.
Instead of spending hours manually validating survey information, teams can focus on delivering accurate, reliable project outcomes.
Key Benefits of String Audit
-
AI-powered survey validation
-
Automatic scanning of survey strings and COGO points
-
Instant detection of common survey errors
-
Automatic repair recommendations
-
One-click Fix All Auto functionality
-
Direct zoom to identified issues
-
AI-powered troubleshooting assistance
-
Integration with the Stringer Undo system
-
Improved survey data quality
-
Reduced troubleshooting time
Smarter Survey Quality Assurance
String Audit represents a major step forward in survey data validation.
By combining automated error detection, intelligent repairs, and AI-powered guidance, Stringer V27 gives surveyors a faster and more reliable way to maintain high-quality survey data.
The result is fewer errors, cleaner surfaces, and greater confidence in every project.
Available Now in Stringer v27
String Audit is available now in Stringer v27 as part of the platform’s growing suite of AI-powered productivity tools.
Discover how automated survey validation can help you find problems faster, improve data quality, and spend less time troubleshooting your survey projects.
The latest releases of Civil Site Design V26.10 and Stringer Topo V26.10 are here! These updates focus on addressing customer-reported issues, improving pack mode performance, and introducing new features and efficiency enhancements for working with COGO points and Survey Strings. Civil Site Design V26.10 is available on the following platforms: Civil 3D 2021 to Civil […]
Our streamlined design process shaves hours and days off your Civil 3D projects, including the creation of a Civil 3D Corridor complete with multiple regions, target mapping, and assemblies, at the click of a button. We always aimed to make the corridor like you would, reusing and consolidating similar assemblies wherever possible. So, for the […]
Field attributes provide Surveyors with the ability to include additional data in their Survey pickup of points. With Stringer Topo V26 users can now include additional data (attribute data) with their COGO points and survey strings for review, editing and output from their drawing. There are a number of ways to add attributes to your […]

