Accessible Design Standards
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Questions and Answers

What is the minimum clear space required in elevator lobbies?

  • 1500 x 1500 mm
  • 1800 x 1800 mm (correct)
  • 1200 x 1200 mm
  • 2000 x 2000 mm

    • What is the minimum width of the wheelchair lift door opening?

  • 800 mm
  • 1000 mm
  • 900 mm (correct)
  • 1.20 m

    • At what height should the floor level indicators in Braille be installed?

  • 1100 mm from the finished floor
  • 1200 mm from the finished floor (correct)
  • 1000 mm from the finished floor
  • 1300 mm from the finished floor

    • What is the minimum maneuvering space required for a wheelchair lift?

    <p>1.50 m x 1.50 m</p> Signup and view all the answers

    What is the required height for the grab bar in the wheelchair lift?

    <p>1.00 m</p> Signup and view all the answers

    What is the minimum luminance contrast required for walkway gratings to distinguish them from the surrounding floor?

    <p>30%</p> Signup and view all the answers

    What is the maximum ramp slope permitted for public use buildings according to the updated guidelines?

    <p>1:20</p> Signup and view all the answers

    What is the minimum width of the intermediate landing for ramps according to the revised 2024 guidelines?

    <p>1.80m</p> Signup and view all the answers

    What is the required minimum width for warning tactile blocks in the 2024 guidelines?

    <p>600mm</p> Signup and view all the answers

    For accessible ramps 3000 mm or more in width, what additional feature is recommended?

    <p>Central handrails</p> Signup and view all the answers

    What is the protrusion requirement for walkway grating in the 2024 revisions?

    <p>6.0mm</p> Signup and view all the answers

    What is the landing interval required for ramps with a 1:20 slope according to the updated guidelines?

    <p>15m</p> Signup and view all the answers

    What is the minimum width of the concrete wheelchair lane provided for pathways and sidewalks?

    <p>1200mm</p> Signup and view all the answers

    What is the minimum required width for a wheelchair according to the RIRR 2024?

    <p>0.80m</p> Signup and view all the answers

    What is the required diameter for wheelchair turning space in RIRR 2024?

    <p>1.80m</p> Signup and view all the answers

    What is the gradient allowed for curb ramps in the RIRR 2024?

    <p>1:15</p> Signup and view all the answers

    Which of the following is the maximum allowed cross gradient for a dropped curb in RIRR 2024?

    <p>1:100</p> Signup and view all the answers

    What is the minimum parking dimension specified in RIRR 2024?

    <p>4.00m x 5.00m</p> Signup and view all the answers

    What is the lowest point requirement for a dropped sidewalk in RIRR 2024?

    <p>19mm</p> Signup and view all the answers

    According to RIRR 2024, what is the minimum required walkway headroom?

    <p>2.20m</p> Signup and view all the answers

    Which requirement is mandatory for curb ramps according to RIRR 2024?

    <p>Permitted only if sidewalks are wider than 3300mm</p> Signup and view all the answers

    What is the minimum door width specified for accessibility?

    <p>0.80m</p> Signup and view all the answers

    What is the minimum height range for door handles in accessible designs?

    <p>0.82-1.06m</p> Signup and view all the answers

    What is the requirement for door thresholds in accessibility?

    <p>25mm maximum</p> Signup and view all the answers

    What dimensions are specified for clear level space before and after a door?

    <p>1.80m x 1.80m</p> Signup and view all the answers

    What is the height requirement for a secondary peephole in accessible door designs?

    <p>1000mm</p> Signup and view all the answers

    What is the defined size for corridor turnabout spaces in accessible designs?

    <p>1.50m x 1.50m</p> Signup and view all the answers

    What is the maximum distance allowed to an entry for accessibility in elevators?

    <p>30.00m</p> Signup and view all the answers

    Which of the following is NOT a requirement for ramp handrail extensions?

    <p>Height between 0.80m to 1.00m</p> Signup and view all the answers

    What is the minimum dimension required for the roll-in shower compartment?

    <p>1.80m x 1.80m</p> Signup and view all the answers

    What is the minimum length required for the shower spray unit hose in an accessible bath?

    <p>1500 mm</p> Signup and view all the answers

    What are the dimensions required for a Changing Places facility?

    <p>3.00 x 4.00m</p> Signup and view all the answers

    What is the maximum speed allowed for escalators designed for persons with disabilities?

    <p>30 meters per minute</p> Signup and view all the answers

    How long should the horizontal grab bar be installed above the rim of the bathtub?

    <p>1200 mm</p> Signup and view all the answers

    What is the angle of inclination specified for the escalators?

    <p>30°</p> Signup and view all the answers

    What is the clear transfer space requirement for accessible bathtubs?

    <p>900 mm</p> Signup and view all the answers

    What type of bars must be installed for accessible baths, and how many are required?

    <p>2 slip-resistant grab bars</p> Signup and view all the answers

    What is the minimum space required in front of wall-mounted telephones?

    <p>1.50m x 1.50m</p> Signup and view all the answers

    What height should the dialing controls of telephones be from the finished floor?

    <p>1.20m</p> Signup and view all the answers

    What is the required space for an automated teller machine (ATM)?

    <p>1.80m x 1.80m</p> Signup and view all the answers

    What is the recommended counter height for workstations?

    <p>0.75m</p> Signup and view all the answers

    How much legroom is required under a workstation?

    <p>700mm</p> Signup and view all the answers

    What is the minimum aisle width required for access to workstations?

    <p>900mm</p> Signup and view all the answers

    What is the maximum counter height for automated teller machines, kiosks, and ticket machines?

    <p>1.20m</p> Signup and view all the answers

    What percentage of total workstations should be accessible?

    <p>1%</p> Signup and view all the answers

    Study Notes

    Wheelchair Dimensions

    • Wheelchair Length: 1.10m to 1.30m
    • Wheelchair Width: 0.60m to 0.75m
    • Wheelchair Turning Space: 1.50m diameter

    Curb Ramps

    • Minimum width: 0.90m
    • Gradient: 1:12

    Dropped Curb/Dropped Sidewalk

    • Minimum width: 0.90m
    • Gradient: 1:15
    • Cross Gradient: 1:20
    • Lowest Point: 25mm

    Parking

    • Parking Dimension: 3.70m (w) x 5.00m (l)
    • Parking Requirement: 4.00m (w) x 5.00m (l)

    Accessible Parking Slots

    • Total number of parking slots and corresponding required number of accessible parking slots are provided in a table.

    Walkways

    • Walkway Headroom: 2.00m

    Ramps

    • Ramp Slope: 1:12, 1:15, 1:20
    • Intermediate Landing: 1.80m
    • Level area (before and after ramp): 1.80 m
    • Warning Tactile Blocks width: 300mm
    • Ramp Handrail extension: 300mm
    • Ramp Handrail Grip: 30mm to 50mm
    • Entrance with Vestibule: 1.80m (d) x 1.50m (w)

    Doors and Corridors

    • Door width: 0.80m
    • Clear level space before and after door: 1.50m x 1.50m
    • Door handle height: 0.90m
    • Door Threshold: 0.82-1.06m
    • Corridor turnabout spaces: Spaced at a maximum of 12.00m; 200mm on center to latch side of door
    • Switches: 0.90-1.20m above floor

    Elevators

    • Distance to entry: 30.00m max
    • Elevator car: 1.10m (w) x 1.40m (d), 1.20(w)x 1.40(d)
    • Elevator car door: 0.80m, 0.90m
    • Call Button size: 20mm diameter, 1mm depression

    Wheelchair Lift

    • Wheelchair lift: 900mm, 1.50m x 1.50m, 1.00m-1.20m by 1.40m

    Toilets

    • Toilet dimension: 1.70m x 1.80m, 1.80m x 1.80m
    • Accessible Toilet Ratio: 1:20
    • Toilet seat height: 450mm
    • Turning Space: 1.50m x 1.50m, 1.80m x 1.80m
    • Water closet distance to partition: Partition 100mm
    • Urinal lip height: 480mm
    • Lavatory height: 800 mm max
    • Vertical clear Legroom space: 600-700mm

    Accessible Baths

    • Roll-in shower compartment: 1.80m x 1.80m, L-shaped bars
    • Accessible Bath Tubs: 900 x 1500mm, clear transfer space, 2 slip resistant grab bars

    Escalators and Passenger Conveyances

    • Escalator tread width: S800-type(804mm)
    • Angle of inclination: 30°

    Public Telephone

    • Space required in front of wall mounted and free-standing telephones: 1.50m x 1.50m
    • Controls height: 1.20m

    Automated Teller Machines, Kiosks, Ticket Machines

    • Space requirements: 1.80m x 1.80m
    • Height of controls: 0.90-1.20m
    • Counter height: 0.75m

    Workstations

    • Requirements: 1% of total work stations available, 900mm access aisle, 900mm wide desk, 480mm counter depth and 700mm legroom.

    Restaurants

    • Circulation path in front of stalls: 1.50m
    • Accessible routes: 0.90m

    Hotels

    • Accessible rooms: 2% of total guest rooms

    Swimming Pools

    • Transfer space: 1500 mm x 1500 mm, slope of 1:12
    • Transfer wall height: 450mm
    • Width: 400mm

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    Related Documents

    BP 344 Comparison Summary PDF

    Description

    This quiz covers essential dimensions and requirements for wheelchair accessibility, curb ramps, dropped curbs, parking slots, walkways, and ramps. It aims to assess your knowledge of ADA compliance in design principles. Perfect for students of architecture or urban planning.

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