Application and Intent Statement

9.34.2.3.(2)

ATTRIBUTION:

Functional Statement:

F30

To minimize the risk of injury to persons as a result of tripping, slipping, falling, contact, drowning or collision.

Objective:

OS3.1

APPLICATION:

Provision of 3-way wall switches controlling lighting outlets for stairways with 4 or more risers, in dwelling units, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9].

This also applies to buildings of residential occupancy to which Part 3 applies [see Sentence 1.3.3.2.(1) of Division A for application of Part 3], as stated in Sentence 3.2.7.1.(3).

INTENT:

To limit the probability that persons will be unable to control stairway lighting from both the bottom and top of stairs, which could lead to inadequate lighting of stairways, which could lead to persons being unable to see stairs, which could lead to persons tripping or falling, which could lead to harm to persons.