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ASME B31.3

Process Piping

Last updated: October 2026

Short answer

Yes. Nomic agents check drawings against the 2020 and 2016 editions of ASME B31.3 and cite the ASME B31.3 section behind each finding, so a licensed reviewer can confirm or dismiss each one. ASME B31.3 is adopted by 42 jurisdictions in Nomic's code data.

42 JurisdictionsLatest: 20202 Editions Supported

Review Drawings Against ASME B31.3 with Nomic Agents

Nomic agents flag likely ASME B31.3 issues on your drawings and cite the section behind each one, so your reviewer can confirm each finding with less manual lookup.

Ask in Plain English

"Does this egress path meet ASME B31.3 requirements?" Get a cited answer your team can check against the drawings.

Cited Answers

Every answer includes specific ASME B31.3 section numbers and code text. Full traceability.

Less Manual Lookup

Check drawings against ASME B31.3 with less time spent digging through PDFs and code books.

42

Jurisdictions

2020

Latest Edition

2

Supported Editions

2

Total Editions

ASME B31.3 Edition Coverage

Nomic supports 2 editions of ASME B31.3, highlighted in green below.

2020
2016

What Reviewers Check Against ASME B31.3

Typical mechanical code items a reviewer looks for on a drawing set, and the sheets to include so a review can see them.

What gets checked

  • Ventilation and outdoor air rates for each space
  • Equipment clearances, access, and condensate disposal
  • Duct construction, fire and smoke dampers at rated assemblies
  • Refrigerant type, quantity, and machinery room requirements
  • Exhaust terminations and separation from intakes

Sheets to include

  • Mechanical floor plans and roof plan
  • Equipment schedules
  • Ventilation calculations
  • Mechanical details and damper locations

Check your drawings against ASME B31.3

Upload your drawings to Nomic and ask questions about ASME B31.3 compliance. Every answer cites the specific code section.

About ASME B31.3

ASME B31 3 Process Piping is part of the mechanical code framework, adopted by 42 jurisdictions across the United States. Nomic provides full AI-powered compliance support for ASME B31.3, enabling instant checks against your construction drawings with cited answers.

How Nomic Agents Review Against ASME B31.3

With the Nomic agent, you can upload any construction drawing and ask natural language questions about ASME B31.3 compliance. Our AI analyzes your drawings against the applicable code requirements and returns:

Specific Code Citations

Section numbers from ASME B31.3 with exact references.

Clear Explanations

Requirements explained and how they apply to your design.

Actionable Recommendations

Practical steps for achieving compliance.

Related References

Links to related code sections and amendments.

Less time digging through PDFs or standards manuals, with cited answers your team can verify and compliance issues caught before the set is issued.

ASME B31.3 and Mechanical Code

ASME B31.3 is one of 46 codes in the Mechanical Code category supported by Nomic.

Mechanical codes regulate HVAC systems, refrigeration, and other mechanical systems in buildings.

ASME B31.3 FAQ

Yes. Nomic agents check drawings against the 2020 and 2016 editions of ASME B31.3 and cite the ASME B31.3 section behind each finding, so a licensed reviewer can confirm or dismiss each one. ASME B31.3 is adopted by 42 jurisdictions in Nomic's code data.

Nomic supports the 2020 and 2016 editions of ASME B31.3. Check which edition and local amendments your jurisdiction has adopted before you run a review.

On a typical drawing set, reviewers check ventilation and outdoor air rates for each space; equipment clearances, access, and condensate disposal; duct construction, fire and smoke dampers at rated assemblies; refrigerant type, quantity, and machinery room requirements; exhaust terminations and separation from intakes.

Include the mechanical floor plans and roof plan; equipment schedules; ventilation calculations; mechanical details and damper locations. The more of the set the review can see, the more cross-sheet conflicts it can catch.

No. Nomic agents work alongside architects, engineers, and code consultants by flagging likely issues with the code section cited, so the reviewer can confirm or dismiss each finding with less manual work. The licensed professional still owns the code interpretation, and the authority having jurisdiction still performs official plan review.
ASME B31.3 Plan Review with AI: Process Piping | Nomic