24 CFR 3285.307
§ 3285.307 Perimeter support piers.
United States · 24 CFR — Housing and Urban Development · Status: effective
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- Citation
- 24 CFR 3285.307, § 3285.307 Perimeter support piers, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/103182
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Full text
(a) Piers required at mate-line supports, perimeter piers, and piers at exterior wall openings are permitted to be constructed of single open-cell or closed-cell concrete blocks, with nominal dimensions of 8 inches × 8 inches × 16 inches, to a maximum height of 54 inches, as shown in Figure A to this section, when the design capacity of the block is not exceeded.
(b) Piers used for perimeter support must be installed with the long dimension parallel to the perimeter rail.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.