Div. B › Part 3 › 3.16A › 3.16A.2

3.16A.2.8 — Structural Provisions

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(1) Except as provided in Sentences (2) and (4), demountable stages and demountable support structures and their structural members shall be designed, erected, assembled and installed,

(a) in conformance with Part 4, or

(b) to conform to good engineering practice appropriate to the circumstances such as that described in ANSI E1.21, “Entertainment Technology - Temporary Structures Used for Technical Production of Outdoor Entertainment Events”.

(2) The reference velocity pressure shall be the appropriate value determined in conformance with Subsection 1.1.2. based on a probability of being exceeded in any one year of 1-in-10 with a 2.5 gust factor.

(3) For purposes of Clause (1) (a), demountable stages and demountable support structures shall be assigned a Normal Importance Category as described in Table 4.1.2.1.B.

(4) Footings shall be designed in accordance with Clause 9.4.4.1.

Tables & Figures referenced

Table 4.1.2.1.B : Importance Categories for Buildings : Forming Part of Sentence 4.1.2.1.(3)

Loading Table 4.1.2.1.B…

OBC Definitions

Defined terms on this page

demountable stage

means a structure that, (a)consists of one or more platforms together with any wall, roof or other structures attached to or located on any of the platforms, (b)is intended to be used for public or private performances or events, other than performances or events associated with movie or television productions, (c)is intended to be erected, assembled or installed for a limited specified time, (d)is capable of being dismantled at its location and moved to be reconstituted elsewhere or is erected for one-time use, (e)is not located inside a fully enclosed building, (f)is primarily for use by performers and workers, and (g)may or may not be mounted on wheels.

demountable support structure

means any structure that, (a)is capable of supporting banners, stage sets, props, sound equipment, lighting equipment or other equipment, (b)is intended to be used for public or private performances or events, other than performances or events associated with movie or television productions, (c)is intended to be erected, assembled or installed for a limited specified time, (d)is capable of being dismantled at its location and moved to be reconstituted elsewhere or is erected for one-time use, (e)is not attached to or located on a demountable stage, (f)is not located inside a fully enclosed building, (g)is primarily for use by performers and workers, and (h)may or may not be mounted on wheels.

listed

means equipment or materials included in a list published by a certification organization accredited by the Standards Council of Canada.

occupancy

means the use or intended use of a building or part of a building for the shelter or support of persons, animals or property.

post-disaster building

means a building that is essential to the provision of services in the event of a disaster, and includes, (a)hospitals, emergency treatment facilities and blood banks, (b)telephone exchanges, (c)power generating stations and electrical substations, (d)control centres for land transportation, (e)public water treatment and storage facilities, (f)water and sewage pumping stations, (g)emergency response facilities, (h)fire, rescue and police stations, (i)storage facilities for vehicles or boats used for fire, rescue and police purposes, and (j)communications facilities, including radio and television stations.

stage

means a space that is designed primarily for theatrical performances with provision for quick change scenery and overhead lighting, including environmental control for a wide range of lighting and sound effects, and that is traditionally, but not necessarily, separated from the audience by a proscenium wall and curtain opening.

building

(a) a structure occupying an area greater than ten square metres consisting of a wall, roof and floor or any of them or a structural system serving the function thereof including all plumbing, works, fixtures and service systems appurtenant thereto,
(b) a structure occupying an area of ten square metres or less that contains plumbing, including the plumbing appurtenant thereto,
(c) plumbing not located in a structure,
(c.1) a sewage system, or
(d) structures designated in the building code; Act

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