AI plan check in Boulder, CO

Why Boulder's Building Code Matters for Your Drawing Set

Boulder construction projects are governed by 2024 ICC suite of codes (effective August 1, 2025) plus the 2024 City of Boulder Energy Conservation Code (CoBECC, effective December 1, 2024), enforced by the City of Boulder Planning & Development Services. Planning & Development Services enforces one of the most aggressive energy codes in the country - the 2024 CoBECC requires new buildings to be all-electric (limited exceptions) and uses ERI/EUI compliance paths; design requirements are set by permit submittal date. For a drawing set to make it through plan check without correction notices, the design must reflect both the base 2024 ICC suite of codes (effective August 1 and the Boulder-specific amendments - not just the model code. Local amendments matter most when they touch life-safety provisions (egress, fire-rated assemblies, accessibility) because those are the categories plan reviewers scrutinize most closely. The same drawing that would clear plan check in a city with only the base code adopted can draw a correction notice in Boulder because of a local amendment the design team didn't catch.

How the City of Boulder Planning & Development Services Reviews Construction Drawings

Plan check at the City of Boulder Planning & Development Services follows a typical AHJ workflow: intake completeness check, first-pass plan reviewer assignment, discipline-specific specialist review (structural, MEP, fire/life-safety, accessibility), correction-notice cycle, and final approval. Boulder's standard timeline of 4–10 weeks for standard plan review reflects the volume the department processes and the typical correction-cycle count. Projects that arrive at the AHJ with un-coordinated drawings, missing sheets, or unresolved cross-discipline conflicts trigger longer timelines because each correction cycle adds days to weeks. Teams that pre-screen drawings with AI plan check before submitting catch most of these issues at the design stage, typically reducing AHJ correction cycles from 3-5 down to 1-2.

Common Plan-Check Issues in Boulder

Boulder construction drawings carry a specific risk profile tied to the city's construction context: all-electric requirement for new construction under the 2024 cobecc; eri/eui energy-compliance documentation required at permit application; moved to the 2024 icc suite effective aug. 1, 2025; city limits vs. unincorporated boulder county are separate jurisdictions; among the most stringent local energy and green-building standards in the us. Each of these conditions creates concrete design requirements that plan reviewers check for and that AI plan check can verify automatically. A drawing set that doesn't explicitly address the applicable conditions - for example, a Boulder project that ignores the local construction conditions above - will draw a correction notice from the City of Boulder Planning & Development Services, even if the rest of the design is sound.

Boulder Project Types and What They Require

The dominant Boulder project types are University (CU Boulder) and Net-zero/all-electric buildings, with significant volume in Lab and research, Multifamily, Adaptive reuse. Each project type triggers a different code-compliance footprint: residential and multifamily projects emphasize IBC Chapter 11 / ADA accessibility, IBC Chapter 10 egress, and IECC/Title 24 energy compliance; commercial and mixed-use projects add IBC Chapter 9 fire protection and NFPA 13/72 systems; industrial and logistics projects emphasize IBC Chapter 6 occupancy classification and high-pile storage requirements. AI plan check adjusts the rule set based on the project type and occupancy classification on the drawing set.

Boulder Plan-Check FAQs

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