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OBC 2006 › Division B

11.4.3.4.

Version 2 — 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

OBC 1997 · continues from 11.4.3.4. — Pro

Base · O. Reg. 350/06 · ext v0 →

O. Reg. 503/09, cl. 216 · ext v1 →

In force 2010-01-01

O. Reg. 205/08, cl. 13 · ext ← current

In force 2010-04-01

OBC 2012 · continues as 11.4.3.4. — Pro

11.4.3.4. — Change in Major Occupancy

Comparing versions

Changed text stands out · unchanged is dimmed

v1 O. Reg. 503/09

Earlier · 2010-01-01

(1) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(1), additional upgrading shall be required in conformance with Table 11.4.3.4.A. and so that the construction index of the building is increased to at least equal the hazard index of the new major occupancy that the building is to support.

(2) A building or part of the building subject to change of major occupancy shall conform to the requirements of Subsection 3.2.6., Sections 3.7., 3.11., 3.12., Sentences 6.2.2.1.(2), 6.2.3.9.(1) and 6.2.4.7.(10), Subsections 9.5.1. and 9.5.3. to 9.5.10., Section 9.7., Subsection 9.10.17., Sections 9.31. and 9.32., and Subsections 9.34.1. to 9.34.3. as they apply to the new major occupancy that the building or part of the building is to support.

(3) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(3), the building shall be evaluated, and the early warning and evacuation systems shall be upgraded, in conformance with the applicable requirements of Table 11.4.3.3.

(4) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(4), upgrading of those systems shall be required in conformance with the applicable requirements of Article 3.1.3.1. and Table 11.4.3.4.B.

(5) Where the performance level is reduced under Sentence 11.4.2.3.(5) the requirement for noncombustible construction is satisfied if the building is sprinklered.

v2 O. Reg. 205/08

Later · viewing · 2010-04-01

(1) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(1), additional upgrading shall be required in conformance with Table 11.4.3.4.A. and so that the construction index of the building is increased to at least equal the hazard index of the new major occupancy that the building is to support.

(2) A building or part of the building subject to change of major occupancy shall conform to the requirements of Subsection 3.2.6., Sections 3.7., 3.11., 3.12., Sentences 6.2.2.1.(2), 6.2.3.9.(1) and 6.2.4.7.(10), Subsections 9.5.1. and 9.5.3. to 9.5.10., Section 9.7., Subsection 9.10.17., Sections 9.31. and 9.32., and Subsections 9.34.1. to 9.34.3. as they apply to the new major occupancy that the building or part of the building is to support.

(3) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(3), the building shall be evaluated, and the early warning and evacuation systems shall be upgraded, in conformance with the applicable requirements of Table 11.4.3.3.

(4) Where the performance level of an existing building is reduced under Sentence 11.4.2.3.(4), upgrading of those systems shall be required in conformance with the applicable requirements of Article 3.1.3.1. and Table 11.4.3.4.B.

(5) Where the performance level is reduced under Sentence 11.4.2.3.(5) the requirement for noncombustible construction is satisfied if the building is sprinklered.

(6) Where the performance level is reduced under Sentence 11.4.2.3.(6), the storey subject to the change shall be sprinklered.