For AI agents: read the machine-readable documentation index at /llms.txt or the single-file full reference at /llms-full.txt.
Form a Business

§ 14B-18-1809 — Shallow foundations

Municipal Code of Chicago (2026 S-74, current through Council Journal of June 17, 2026) · Municipal Code of Chicago § 14B-18-1809

Corpus is an independent public-information project, not the official City of Chicago website. Stable reference URL

14B-18-1809 Shallow foundations.

The provisions of Section 1809 of IBC are adopted by reference with the following modifications: 1. Revise item 1 of Section 1809.5 to read: "1. Extending at least 42 inches (1067 mm) below final grade." 2. Revise Section 1809.6 by deleting "in an approved manner." 3. Revise the notes to Table 1809.7 by replacing "Seismic Design Category C, D, E or F" with "Seismic Design Category C or D" and "Group R-3" with "Group R-3, R-4 and R-5." Revise the exception to Section 1809.8 by replacing "Group R-3" with "Group R-3, R-4 or R-5." 4. Revise Section 1809.10 by replacing "Seismic Design Categories D, E and F" with "Seismic Design Category D." 5. Revise Section 1809.11 by deleting "approved." 6. Delete Section 1809.12. 7. Revise Section 1809.13 by replacing "Seismic Design Category D, E or F" with "Seismic Design Category D."