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9.9.6.7.(1) | Application | Intent |
OS3 | OS3 |
Objective | OS3 Safety in Use |
Attribution | |
Application | Application 1: Latching, locking and opening mechanisms of principal
entrance doors, exit doors and doors to suites,
including exterior doors to dwelling units,
and other doors in an access to exit, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9]. |
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Intent | Intent 1: To supersede the requirements of Sentence 3.4.6.15.(1),
which would otherwise not permit the use of locking devices, and permit electromagnetic
locks on exit doors if certain conditions are met. This
is to limit the probability that:
This is to limit the probability of delays in the evacuation or
movement of persons to a safe place, which could lead to harm to persons.
Intent 2: To expand the application of Sentence 3.4.6.15.(4) to
exit doors with electromagnetic locking mechanisms in Part 9 buildings.
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