Terms
By using the service, you acknowledge that it is a professional information reference and not a competent authority.
Last reviewed: 2026-08-08
Permitted use
Use it to locate construction documents, read sections, and inspect citations. Do not rely on one AI answer as a design, calculation, safety, compliance, or approval decision.
Official source prevails
If content conflicts, the original PDF and current publication of the competent authority control. Users must verify code, version, status, and OCR details.