N.Y. Multiple Residence Law Section 259
Cellar and basement stairs

A cellar or basement stair located inside the dwelling shall be entirely enclosed with fireproof walls and be provided, at all openings, with fireproof doors and assemblies, with the doors self-closing, except that in any dwelling three stories or less in height, such stair may be enclosed with walls or partitions constructed of fire-resistive materials.

Source: Section 259 — Cellar and basement stairs, https://www.­nysenate.­gov/legislation/laws/MRE/259 (updated Sep. 22, 2014; accessed Dec. 2, 2023).

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Accessed:
Dec. 2, 2023

Last modified:
Sep. 22, 2014

§ 259’s source at nysenate​.gov

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