Shallow Foundations
Baltimore City Code, Building Codes, Part II, Section 1809
in effectSection 1809. Shallow Foundations
1809.1 to 1809.4 {As in IBC}
1809.5 Frost protection.
Except where otherwise protected from frost, foundation walls, piers, and other permanent supports of buildings and structures must be protected by one or more of the following methods:
1. extending 30" below grade,
2. constructing in accordance with ASCE 32, or
3. erecting on solid rock.
Exceptions: {As in IBC}
1809.5.1 Frost protection at required exits. {As in IBC}
1809.6 to 1809.13 {As in IBC}
(Ord. 24-341 Section 1.)
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/II/1809Fetched: 10/25/2026