CodeChronicle

OBC 2006 Division B

3.1.8.10.

Version 0 — in force 31 December 2006

In force
Verified · covered Verified against the 2006-12-31–2007-04-01 consolidation, whose range covers the query date. How to read this

Provenance

OBC 1997 · continues from 3.1.8.10. — Pro

Base · O. Reg. 350/06 · ext← current

Original — base regulation

O. Reg. 503/09, cl. 18 · ext v1 →

In force 2010-01-01

Next: O. Reg. 503/09, cl. 18 · ext (not in force until 2010-01-01) v1 →

OBC 2012 · continues as 3.1.8.10. — Pro

3.1.8.10. — Twenty-Minute Closures

(1) A door assembly having a fire-protection rating not less than 20 min is permitted to be used as a closure in,

(a) a fire separation not required to have a fire-resistance rating more than 1 h, located between,

(i) a public corridor and a suite,

(ii) a corridor and adjacent sleeping rooms, or

(iii) a corridor and adjacent classrooms, offices and libraries in Group A, Division 2 major occupancies, or

(b) a fire separation not required to have a fire-resistance rating more than 45 min, located in a building not more than 3 storeys in building height.

(2) The requirements for noncombustible sills and combustible floor coverings in NFPA 80, “Fire Doors and Fire Windows”, do not apply to a door described in Sentence (1).

(3) A door described in Sentence (1) shall have a clearance not more than 6 mm at the bottom and not more than 3 mm at the sides and top.

(4) In elementary and secondary schools, a door assembly conforming to Articles 9.10.13.2.v1 and 9.10.13.3. is permitted to be used as a closure in a fire separation having a fire-resistance rating of 30 min.

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