Division A
Compliance, Objectives and Functional Statements
Part 2 — Objectives
Section 2.2. Objectives
2.2.1. Objectives
2.2.1.1. Objectives
1) The objectives of this Code are as follows (see Appendix A):
OS Safety
An objective of this Code is to limit the probability that, as a
result of the design, construction or demolition of the building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury.
OS1 Fire Safety
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due to fire. The risks of injury due to fire addressed in this Code are
those caused by—
OS1.1 - fire or explosion occurring
OS1.2 - fire or explosion impacting areas beyond its point of
origin
OS1.3 - collapse of physical elements due to a fire or
explosion
OS1.4 - fire safety systems failing to function as
expected
OS1.5 - persons being delayed in or impeded from moving to a safe
place during a fire emergency
OS2 Structural Safety
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due to structural failure. The risks of injury due to structural failure
addressed in this Code are those caused by—
OS2.1 - loads bearing on the building elements that exceed their loadbearing capacity
OS2.2 - loads bearing on the building that exceed the loadbearing properties of the supporting medium
OS2.3 - damage to or deterioration of building elements
OS2.4 - vibration or deflection of building elements
OS2.5 - instability of the building or part thereof
OS2.6 - collapse of the excavation
OS3 Safety in Use
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in or adjacent to the building will be exposed to an unacceptable risk of injury due to hazards. The risks of injury due to hazards addressed in this
Code are those caused by—
OS3.1 - tripping, slipping, falling, contact, drowning or
collision
OS3.2 - contact with hot surfaces or substances
OS3.3 - contact with energized equipment
OS3.4 - exposure to hazardous substances
OS3.5 - exposure to high levels of sound from fire alarm
systems
OS3.6 - persons becoming trapped in confined spaces
OS3.7 - persons being delayed in or impeded from moving to a safe
place during an emergency (see Appendix A)
OS4 Resistance to Unwanted Entry
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in the building will be exposed to an unacceptable risk of injury due to the building's low level of resistance to unwanted entry (see Sentence 2.1.1.2.(2) for application limitation). The risks of injury due to unwanted entry addressed in this Code are those caused
by—
OS4.1 - intruders being able to force their way through locked doors
or windows
OS4.2 - occupants being unable to identify potential intruders as
such
OS5 Safety at Construction and Demolition Sites
An objective of this Code is to limit the probability that, as a
result of the construction or demolition of the building, the public adjacent to a construction or demolition site will be exposed to an unacceptable risk of injury due to
hazards. The risks of injury due to construction and demolition hazards
addressed in this Code are those caused by—
OS5.1 - objects projected onto public ways
OS5.2 - vehicular accidents on public ways
OS5.3 - damage to or obstruction of public ways
OS5.4 - water accumulated in excavations
OS5.5 - entry into the site
OS5.6 - exposure to hazardous substances and activities
OS5.7 - loads bearing on a covered way that exceed its loadbearing capacity
OS5.8 - collapse of the excavation
OS5.9 - persons being delayed in or impeded from moving to a safe place during an emergency (see Appendix A)
OH Health
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person will be exposed to an unacceptable risk of illness.
OH1 Indoor Conditions
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in the building will be exposed to an unacceptable risk of illness due to indoor conditions. The risks of illness due to indoor conditions
addressed in this Code are those caused by—
OH1.1 - inadequate indoor air quality
OH1.2 - inadequate thermal comfort
OH1.3 - contact with moisture
OH2 Sanitation
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in the building will be exposed to an unacceptable risk of illness due to unsanitary conditions. The risks of illness due to unsanitary
conditions addressed in this Code are those caused by—
OH2.1 - exposure to human or domestic waste
OH2.2 - consumption of contaminated water
OH2.3 - inadequate facilities for personal hygiene
OH2.4 - contact with contaminated surfaces
OH2.5 - contact with vermin and insects
OH3 Noise Protection
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person in the building will be exposed to an unacceptable risk of illness due to high levels of sound originating in adjacent spaces in the building (see Sentence 2.1.1.2.(3) for application limitation). The risks of illness due to high levels of sound addressed in this Code are those
caused by—
OH3.1 - exposure to airborne sound transmitted through assemblies
separating dwelling units from adjacent spaces in the building
OH4 Vibration and Deflection Limitation
OH5 Hazardous Substances Containment
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, the public will be exposed to an unacceptable risk of illness due to the release of hazardous substances from the building (see Sentence 2.1.1.2.(4) for application limitation).
OA Accessibility
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person with a physical or sensory limitation will be unacceptably impeded from accessing or using the building or its facilities (see Sentence 2.1.1.2.(5) for application limitations).
OA1 Accessible Path of Travel
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person with a physical or sensory limitation will be unacceptably impeded from accessing the building or circulating within it (see Sentence 2.1.1.2.(5) for application limitations).
OA2 Accessible Facilities
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, a person with a physical or sensory limitation will be unacceptably impeded from using the building's facilities (see Sentence 2.1.1.2.(5) for application limitations).
OP Fire and Structural Protection of Buildings
An objective of this Code is to limit the probability that, as a
result of the design, construction or demolition of the building, the building or adjacent buildings will be exposed to an unacceptable risk of damage due to fire or structural insufficiency, or the building or part thereof will be exposed to an unacceptable risk of loss of use also due to structural
insufficiency.
OP1 Fire Protection of the Building
An objective of this Code is to limit the probability that, as a
result of its design or construction, the building will be exposed to an unacceptable risk of damage due to fire. The risks of damage due to fire addressed in this Code are
those caused by—
OP1.1 - fire or explosion occurring
OP1.2 - fire or explosion impacting areas beyond its point of
origin
OP1.3 - collapse of physical elements due to a fire or
explosion
OP1.4 - fire safety systems failing to function as
expected
OP2 Structural Sufficiency of the Building
An objective of this Code is to limit the probability that, as a
result of its design or construction, the building or part thereof will be exposed to an unacceptable risk of damage or loss of use due to structural failure or lack of
structural serviceability. The risks of damage and of loss of use due to
structural failure or lack of structural serviceability addressed in
this Code are those caused by—
OP2.1 - loads bearing on the building elements that exceed their loadbearing capacity
OP2.2 - loads bearing on the building that exceed the loadbearing properties of the supporting medium
OP2.3 - damage to or deterioration of building elements
OP2.4 - vibration or deflection of building elements
OP2.5 - instability of the building or part thereof
OP2.6 - instability or movement of the supporting
medium
OP3 Protection of Adjacent Buildings from Fire
An objective of this Code is to limit the probability that, as a
result of the design or construction of the building, adjacent buildings will be exposed to an unacceptable risk of damage due to fire. The risks of
damage to adjacent buildings due to fire addressed in this Code are those caused by—
OP3.1 - fire or explosion impacting areas beyond the building of origin
OP4 Protection of Adjacent Buildings from Structural Damage
An objective of this Code is to limit the probability that, as a
result of the design, construction or demolition of the building, adjacent buildings will be exposed to an unacceptable risk of structural damage. The risks of structural damage to adjacent buildings addressed in this Code are those caused by—
OP4.1 - settlement of the medium supporting adjacent buildings
OP4.4 - collapse of the excavation
OE Energy and Water Efficiency
An objective of this Code is to limit the probability that, as a
result of design, construction or renovation of a building, the use of energy or water will be inefficient or the production of greenhouse gases will be excessive.
OE1 Energy Efficiency
An objective of this Code is to limit the probability that, as a
result of design, construction or renovation of a building the use of energy will be inefficient or the production of greenhouse gases will be excessive. The risks of
inefficient energy use or excessive greenhouse gas production addressed
by this Code are those caused by —
OE2 Water Efficiency
An objective of this Code is to limit the probability that, as a
result of design, construction or renovation of a building, the use of water will be inefficient. The risks of inefficient water addressed by this Code are those caused by
—
OE2.1 - 
inefficient plumbing fixtures
inefficient plumbing fixturesOE2.2 - inefficient water distribution system
