Div. B › Part 3 › 3.6 › 3.6.4 — Horizontal Service Spaces and Service Facilities

3.6.4.1 — Scope

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(1) This Subsection applies to horizontal service spaces and service facilities, including ceiling spaces, duct spaces, crawl spaces and attic or roof spaces.

OBC Definitions

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attic or roof space

means the space between the roof and the ceiling of the top storey or between a dwarf wall and a sloping roof.

horizontal service space

means a space such as an attic, duct, ceiling, roof or crawl space, (a)that is oriented essentially in a horizontal plane, (b)that is concealed and generally inaccessible, and (c)through which building service facilities such as pipes, ducts and wiring may pass.

service space

means space provided in a building to facilitate or conceal the installation of building service facilities such as chutes, ducts, pipes, shafts or wires.

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