---
kind: "section"
citation: "46 C.F.R. § 76.33-5"
title: "46"
number: "76.33-5"
heading: "Zoning."
url: "https://uscodex.org/cfr/46/76.33-5"
---

# §76.33-5. Zoning.

- (a) The smoke detection system must be divided into separate zones to restrict the area covered by any particular alarm signal.
- (b) The smoke detection zone must not include spaces on more than one deck, except the small adjacent spaces mentioned in [paragraph (c)](#c) of this section.
- (c) Each separate space must be considered as a zone, except that two or three small adjacent spaces having a combined volume not exceeding 5,000 cubic feet may be connected on the same zone.
- (d) Where a space is of such size that one accumulator is not sufficient, not more than two accumulators may be combined in one zone.

## Notes

### Amendments

[CGFR 65-50, 30 FR 16940, Dec. 30, 1965, as amended by USCG-2012-0196, 81 FR 48259, July 22, 2016]

### Authority

Authority: 46 U.S.C. 3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGFR 65-50, 30 FR 16940, Dec. 30, 1965, unless otherwise noted.

### Amendments

[CGFR 65-50, 30 FR 16940, Dec. 30, 1965, as amended by USCG-2012-0196, 81 FR 48259, July 22, 2016]