Podcast
Questions and Answers
What is the primary intent of the rule mentioned?
What is the primary intent of the rule mentioned?
Which of the following is NOT listed as a variable affecting light and ventilation?
Which of the following is NOT listed as a variable affecting light and ventilation?
How is site occupancy measured according to the content?
How is site occupancy measured according to the content?
What formula represents the relationship between PSO, TOSL, USA, and ISA?
What formula represents the relationship between PSO, TOSL, USA, and ISA?
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What minimum value is indicated in the formulas provided?
What minimum value is indicated in the formulas provided?
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Which of the following factors directly contributes to the adequacy of light in a building?
Which of the following factors directly contributes to the adequacy of light in a building?
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Which variable would most likely affect the ventilation in a building?
Which variable would most likely affect the ventilation in a building?
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What is the maximum value mentioned in the formulas provided?
What is the maximum value mentioned in the formulas provided?
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Which type of lot is typically defined as being surrounded by streets on all sides?
Which type of lot is typically defined as being surrounded by streets on all sides?
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What characterizes a corner lot?
What characterizes a corner lot?
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Which lot type is likely to have only one street abutting it?
Which lot type is likely to have only one street abutting it?
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What is the defining feature of a corner through lot abutting three or more streets?
What is the defining feature of a corner through lot abutting three or more streets?
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Which lot type generally offers the least accessibility to the public?
Which lot type generally offers the least accessibility to the public?
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Which lot type does not usually allow for significant development due to limited accessibility?
Which lot type does not usually allow for significant development due to limited accessibility?
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What distinguishes an inside lot from an interior lot?
What distinguishes an inside lot from an interior lot?
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Which of the following lot types is NOT expressly defined in the content?
Which of the following lot types is NOT expressly defined in the content?
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What does the term 'yard' refer to in a building context?
What does the term 'yard' refer to in a building context?
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How is 'setback' defined?
How is 'setback' defined?
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What is the minimum dimension required for courts?
What is the minimum dimension required for courts?
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What is the minimum area required for a court?
What is the minimum area required for a court?
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What is the minimum width for the passageway connecting inner courts to a street or yard?
What is the minimum width for the passageway connecting inner courts to a street or yard?
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Which of the following describes the relationship between a yard and a setback?
Which of the following describes the relationship between a yard and a setback?
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Which of these statements about courts is accurate?
Which of these statements about courts is accurate?
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What is stated about the open space around buildings?
What is stated about the open space around buildings?
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What is the minimum area required for a court?
What is the minimum area required for a court?
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What is the maximum height allowed for a separation wall?
What is the maximum height allowed for a separation wall?
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In what type of dwelling units can front yards be used for parking?
In what type of dwelling units can front yards be used for parking?
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How much can the minimum dimension be reduced to in cluster living units?
How much can the minimum dimension be reduced to in cluster living units?
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What is the maximum allowable extension above the roof line for a firewall?
What is the maximum allowable extension above the roof line for a firewall?
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Which zoning classification is NOT allowed for front yard parking?
Which zoning classification is NOT allowed for front yard parking?
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If a carport is roofed, it is considered part of what?
If a carport is roofed, it is considered part of what?
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What is the minimum extension required for a firewall from building edges?
What is the minimum extension required for a firewall from building edges?
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Which types of doors are prohibited as exit doors?
Which types of doors are prohibited as exit doors?
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What is the maximum allowable height difference between the floor and landing at an exit door for Group A or B occupancies?
What is the maximum allowable height difference between the floor and landing at an exit door for Group A or B occupancies?
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What is the minimum required width of a corridor?
What is the minimum required width of a corridor?
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How much can a door reduce the required width of a corridor when fully opened?
How much can a door reduce the required width of a corridor when fully opened?
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What is the maximum length for dead ends in a corridor?
What is the maximum length for dead ends in a corridor?
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What is the maximum reduction in corridor width allowed by doors in any position?
What is the maximum reduction in corridor width allowed by doors in any position?
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What is the maximum allowable height difference between the floor and landing at an exit door in general situations?
What is the maximum allowable height difference between the floor and landing at an exit door in general situations?
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Which of the following is NOT permitted as an exit from a building?
Which of the following is NOT permitted as an exit from a building?
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Study Notes
Light + Ventilation
- Every building must have sufficient light and ventilation, and this should be considered during design, construction, and equipping phases.
- The amount of light and ventilation needed depends on factors like setbacks, site occupancy, room sizes, ceiling heights, window sizes, and courts.
Site Occupancy
- Site occupancy is measured at ground level excluding courts, yards, and light wells.
- Total Land Area (TLA) = Primary Site Occupancy (PSO) + Total Open Space Land (TOSL)
- TOSL = Unusable Site Area (USA) + Internal Site Area (ISA)
- USA is the minimum value, while ISA is the maximum value.
- Refer to Table VII.1 on page 131 for specific USA and ISA values.
Lot Types
- The Code defines seven types of lots:
- Inside lot
- Interior lot
- Corner lot
- Through lot
- Corner through lot
- Corner through lot abutting 3 or more streets
- End lot
Yards and Setbacks
- Yard: The required open space between a building's outer face and the property lines.
- Setback: The width of the yard.
Courts
- Minimum court dimension: 2.00m
- Minimum court area: 4.00sqm
- All inner courts need to be connected to a street or yard by a passageway at least 1.20m wide.
Joining Of Courts
- In cluster living units with adjacent courts, the minimum dimension can be reduced to 1.50m.
- Minimum area per court remains 3.00sqm.
- Maximum height of a separation wall between courts: 2.00m.
Parking Spaces and Carports
- If a carport has a roof, it counts as part of the building footprint and not the TOSL.
Front Yards As Parking
- Front yard parking is allowed only for single-family dwellings classified as:
- Basic R-2
- Basic R-3
- R-4
Fire Wall Extensions
- Above the roof line: 400mm
- Under the eaves: 300mm
- From the building edges: 600mm
Prohibited Doors
- The following doors are prohibited as exit doors:
- Revolving doors
- Sliding doors
- Overhead doors
Floor Level Change At Doors
- There needs to be a floor or landing on each side of an exit door.
- Maximum floor/landing difference from the door threshold: 50mm downwards.
- Exception: For Group A or B occupancies, a door may open over the top step as long as:
- The landing is no more than 200mm from the floor level.
- The door does not swing over the top step.
Corridors
- Minimum corridor width: 1.10m
- This width needs to be unobstructed, except for trim, handrails, and open doors (these can reduce the width by a maximum of 200mm).
- Doors in any position cannot reduce the width by more than half.
Dead Ends
- Maximum dead end length: 6.00m
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Description
Explore the essential principles of light and ventilation in building design. This quiz covers site occupancy, lot types, and the significance of yards and setbacks. Test your knowledge of how these factors influence architectural planning.
