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What Is Automated Code Compliance Checking?

Building codes are mostly measurable: clearances, widths, counts, and ratings. Automated code compliance checking turns those measurable requirements into checks that software can run against a drawing set. This page defines the term, covers which codes can be checked, explains the limits, and flags the one pitfall that breaks every automated check.

Last reviewed by Manas Gandhi · June 2026•Technology

Which codes can be checked automatically?

The codes most suited to automated checking are the ones with prescriptive, geometric requirements:

  • IBC: egress width, travel distance, occupancy separation, and fire-rated assembly continuity — see IBC egress width requirements.
  • NEC: working-space clearances under 110.26 and equipment access — the single most-flagged code section in our code violation frequency report.
  • NFPA 13 & 101: sprinkler obstruction and clearance, and life-safety provisions.
  • ADA / ICC A117.1: clear floor space, maneuvering clearances, and mounting heights.
  • Energy codes (ASHRAE 90.1, IECC): partially checkable where the data is on the drawings.

Explore the full matrix of code-and-discipline checks on our code check pages, or search the codes themselves in our building code reference.

How is it different from AI plan review?

Automated code compliance checking is a subset of AI plan review. AI plan review covers every category of drawing issue — coordination, dimensions, completeness, and code. Automated code checking is the code-specific slice: the rules and AI focused on whether the documents satisfy building-code requirements. A full plan review platform usually includes code checking as one of several capabilities.

The wrong-edition trap

The most important caveat in automated code checking is the one that has nothing to do with the software’s intelligence: it is only as correct as the code edition it is pointed at. Jurisdictions adopt editions of the IBC and NEC/NFPA on their own timelines, often with state amendments. Checking a set against the 2026 NEC is meaningless if the authority having jurisdiction enforces an earlier adopted edition. Confirm the adopted edition and local amendments before running any automated check.

What it can and can’t do

Automated checking reliably handles prescriptive, measurable requirements. It does not make the judgment calls a plan examiner or design professional makes — alternative means and methods, performance-based compliance paths, or interpreting how an unusual condition maps to code intent. It changes what the professional spends time on, and the licensed professional remains accountable. We go deeper on the reliability question in is AI plan review reliable enough to catch code violations.

How Helonic helps

Helonic includes automated code compliance checking as part of its AI drawing review: point it at the adopted edition, and it checks the measurable IBC, NEC, NFPA, and ADA / A117.1 requirements against the conditions shown across your 2D PDF set, flagging each issue with the page location and governing code reference. Explore the dedicated code compliance, egress compliance, and accessibility checking capabilities.

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Practitioner insight

“Automating code checking sounds like the hard part is the codes. It isn't — it's the editions. We've watched teams run a flawless check against the wrong adopted edition and walk into a permit rejection. The rules engine is the easy 90%; pointing it at the right edition is the 10% that decides whether the output is usable.”

— Source: Conversations with code consultants and plan examiners at jurisdictions and code-consulting firms, synthesized from Helonic's discipline-side interviews, Q1–Q2 2026.

Automated Code Compliance FAQ

What is automated code compliance checking?
Automated code compliance checking is the use of software — increasingly AI — to verify that construction drawings or building models satisfy applicable building codes, such as the IBC, NEC, NFPA standards, and the ADA / ICC A117.1. Instead of a reviewer manually measuring clearances and counting fixtures sheet by sheet, the software checks the measurable requirements against the conditions shown on the documents and flags where they don't meet the code.
Which building codes can be checked automatically?
The codes most amenable to automated checking are the ones with measurable, geometric requirements: the IBC (egress width, occupancy separation, fire-rated assemblies), the NEC (working-space clearances like 110.26), NFPA 13 (sprinkler obstruction and clearance) and NFPA 101 (life safety), and the ADA Standards / ICC A117.1 (clear floor space, maneuvering clearances, mounting heights). Energy codes like ASHRAE 90.1 and IECC can be partially checked where the data is on the drawings.
Is automated code compliance checking the same as AI plan review?
It is a subset of it. AI plan review covers all categories of drawing issues — coordination, dimensions, completeness, and code. Automated code compliance checking is the code-specific slice: the rules engine and AI that focus specifically on whether the documents meet building-code requirements. A full AI plan review platform usually includes automated code checking as one of its capabilities.
Can automated code checking replace a plan examiner or licensed professional?
No. Automated code checking reliably handles the measurable, prescriptive requirements, but it cannot make the judgment calls a plan examiner or design professional makes — alternative means and methods, performance-based compliance, or interpreting how an unusual condition maps to code intent. It changes what the professional spends time on, from measuring clearances to resolving the judgment-heavy determinations, and the licensed professional remains accountable.
What is the biggest pitfall in automated code compliance checking?
The wrong-edition trap. Jurisdictions adopt code editions on their own timelines and often add local amendments, so checking a set against the 2026 NEC or 2024 IBC is meaningless if the authority having jurisdiction enforces an earlier adopted edition. Confirming the adopted edition and local amendments before running any automated check is the single most important step — the rules engine is only as correct as the edition it is pointed at.
How accurate is automated code compliance checking?
Accuracy is high on prescriptive, measurable requirements — clearances, widths, counts, and rated-assembly continuity — because those are checkable against geometry on the sheets. It is lower on performance-based or interpretive provisions, which still require professional judgment. The practical model is automated checking for consistent first-pass coverage of the prescriptive requirements, with a professional resolving the interpretive ones.
MG

Manas Gandhi

Co-founder & CTO, Helonic

Manas is the co-founder and CTO of Helonic, where he leads engineering and AI research for construction drawing analysis. He works directly with structural, MEP, civil, and fire protection engineers to translate the way they review drawings into AI systems that flag the issues that actually matter in the field. Before Helonic, he built machine learning pipelines for technical document understanding and has spent the last several years interviewing licensed design engineers and discipline leads to ground product decisions in real practice rather than industry assumptions.

Areas of focus
  • AI for technical document understanding
  • Cross-discipline coordination workflows
  • Code compliance automation (IBC, NEC, NFPA, IPC, IMC, ASCE)
  • Structural and MEP drawing review systems

How this page was researched: Definition and scope grounded in Helonic's automated code-checking capability and review corpus (1,000+ project reviews, 100,000+ pages analyzed, 150,000+ issues identified) through Q2 2026, cross-referenced with the published structure of the IBC, NEC, NFPA 13/101, ADA Standards, and ICC A117.1. Editions enforced vary by jurisdiction; confirm the adopted edition before relying on any automated check.

Last reviewed by Manas Gandhi · June 2026

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Check your set against the right code

Upload your PDF drawings and we'll flag the egress, clearance, and accessibility issues against the adopted edition — with the page location and code reference for each.