9.8.10.1.(1)ATTRIBUTION:
Functional Statement:
F22
To limit movement under expected loads and forces.
Objective:
OS3.1, OS3.7
APPLICATION:
Design and installation of exterior concrete steps
and their anchorage, where the steps are cantilevered from foundation walls, serving buildings to which Part 9 applies [see Sentence
1.3.3.3.(1) of Division A for application of Part 9].
INTENT:
To limit the probability of the excessive deflection of
steps and non-horizontal treads, which could lead to:
- persons falling,
- persons falling in an emergency, which could lead to delays in the evacuation or movement of persons to a safe place.
This is to limit the probability of harm to
persons.
ATTRIBUTION:
Functional Statement:
F20
To support and withstand expected loads and forces.
Objective:
OS2.1
APPLICATION:
Design and installation of exterior concrete steps
and their anchorage, where the steps are cantilevered from foundation walls, serving buildings to which Part 9 applies [see Sentence
1.3.3.3.(1) of Division A for application of Part 9].
INTENT:
To limit the probability of structural failure of the connection
between the steps and the foundation wall, which could lead to persons falling,
which could lead to harm to persons.