CodeChronicle

OBC 2006 Division B

3.2.2.44.

Version 1 — in force 1 April 2010

In force · amended
Verified · covered Verified against the 2010-04-01–2010-06-30 consolidation, whose range covers the query date. How to read this

Provenance

New in this edition — no OBC 1997 predecessor

Base · O. Reg. 350/06 · ext v0 →

O. Reg. 503/09, cl. 26 · ext ← current

In force 2010-04-01

OBC 2012 · continues as 3.2.2.44. — Pro

3.2.2.44. — Group C, up to 4 Storeys, Noncombustible Construction

(1) A building classified as Group C is permitted to conform to Sentence (2) provided,

(a) it is not more than,

(i) 3 storeys in building height, or

(ii) 4 storeys in building height provided there is not more than one dwelling unit above another dwelling unit, and vertical fire separations of adjacent dwelling units conform to Sentence (4), and

(b) it has a building area not more than the value in Table 3.2.2.44.

(2) The building referred to in Sentence (1) shall be of noncombustible construction, and,

(a) except as permitted by Sentence (3), floor assemblies shall be fire separations with a fire-resistance rating not less than 1 h,

(b) mezzanines shall have a fire-resistance rating not less than 1 h,

(c) roof assemblies shall have a fire-resistance rating not less than 1 h, and

(d) loadbearing walls, columns and arches shall have a fire-resistance rating not less than that required for the supported assembly.

(3) In a building that contains dwelling units that have more than 1 storey, subject to the requirements of Sentence 3.3.4.2.(3), the floor assemblies, including floors over basements, which are entirely contained within these dwelling units, shall have a fire-resistance rating not less than 1 h but need not be constructed as fire separations.

(4) The dwelling units described in Subclause (1)(a)(ii) shall be separated by continuous vertical fire separations that extend through all storeys and service spaces of the separated portions.

Table 3.2.2.44. Maximum Building Area, Group C, up to 4 Storeys Forming Part of Sentence 3.2.2.44.(1)

Column 1

Column 2

Column 3

Column 4

No. of Storeys

Maximum Area, m2

Facing 1 Street

Facing 2 Streets

Facing 3 Streets

1

not limited

not limited

not limited

2

6 000

not limited

not limited

3

4 000

5 000

6 000

4

3 000

3 750

4 500