Callout

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Callout is an AI-powered construction drawing review tool for licensed Professional Engineers and Architects. Upload PDF drawing sets, select from 33+ building codes (IBC, IMC, IPC, IECC, ASHRAE, NFPA, NEC, ASCE, ACI, AISC, and more), and receive structured findings with severity ratings, exact code section citations, and suggested resolutions. Covers 7 engineering disciplines: mechanical, structural, architectural, electrical, plumbing, energy, and fire protection. Includes PE calibration that adapts to each engineer's judgment over time, a Firm Standards Library for custom requirements, and team/organization support with shared credits and firm-wide analytics. Credit-based pricing with no subscriptions. Credits never expire.