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 (C)</p> Signup and view all the answers

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

<p>1.00 m (D)</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% (C)</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 (D)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

<p>6.0mm (D)</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 (A)</p> Signup and view all the answers

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

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

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

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

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

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

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

<p>1:15 (B)</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 (C)</p> Signup and view all the answers

What is the minimum parking dimension specified in RIRR 2024?

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

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

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

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

<p>2.20m (A)</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 (D)</p> Signup and view all the answers

What is the minimum door width specified for accessibility?

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

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

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

What is the requirement for door thresholds in accessibility?

<p>25mm maximum (A)</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 (B), 1.50m x 1.50m (D)</p> Signup and view all the answers

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

<p>1000mm (C)</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 (A), 1.80m x 1.80m (D)</p> Signup and view all the answers

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

<p>30.00m (B)</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 (C)</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 (C)</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 (A)</p> Signup and view all the answers

What are the dimensions required for a Changing Places facility?

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

What is the angle of inclination specified for the escalators?

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

What is the clear transfer space requirement for accessible bathtubs?

<p>900 mm (B)</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 (D)</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 (C)</p> Signup and view all the answers

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

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

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

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

What is the recommended counter height for workstations?

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

How much legroom is required under a workstation?

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

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

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

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

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

What percentage of total workstations should be accessible?

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

Flashcards

Wheelchair Turning Space (RIRR 2024)

The minimum turning circle diameter for a wheelchair, ensuring sufficient maneuverability.

Minimum Curb Ramp Width (RIRR 2024)

The minimum width required for a curb ramp, facilitating accessibility for wheelchair users.

Curb Ramp Gradient (RIRR 2024)

The maximum slope or incline allowed for a curb ramp, ensuring it's gradual enough for wheelchair users.

Minimum Dropped Curb Width (RIRR 2024)

The minimum width required for a dropped curb or sidewalk, providing a level surface for wheelchair users.

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Dropped Curb Gradient (RIRR 2024)

The maximum slope or incline allowed for a dropped curb or sidewalk, ensuring a gradual transition for wheelchair users.

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Dropped Curb Cross Gradient (RIRR 2024)

The maximum slope across the dropped curb or sidewalk, ensuring a stable surface for wheelchair users.

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Dropped Curb Lowest Point (RIRR 2024)

The minimum required distance from the lowest point of a dropped curb or sidewalk to the ground, ensuring safe passage for wheelchair users.

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Parking Dimension (RIRR 2024)

The minimum required dimensions for a parking space designed for accessibility, allowing sufficient space for wheelchair users.

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Walkway Grating Spacing

The distance between two walkway grating elements.

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Walkway Grating Protrusion

The height of the walkway grating elements above the ground.

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Ramp Slope

The ratio of vertical rise to horizontal run for a ramp.

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Intermediate Landing

Flat areas providing rest points on a ramp.

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Level Area

The area before and after a ramp.

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Warning Tactile Blocks

Blocks indicating a change in surface level.

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Intermediate Handrail

A handrail placed in the center for wider accessible ramps.

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J-type Handrail Support

A type of handrail support that resembles a J shape.

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Elevator Lobby Space

The minimum clear space required in front of an elevator door for wheelchair users to maneuver comfortably.

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Wheelchair Lift Door Width

The minimum width required for a wheelchair lift door opening, ensuring easy access for wheelchair users.

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Wheelchair Lift Maneuvering Space

The minimum space required around a wheelchair lift for maneuvering and transferring, providing ample room for wheelchair users.

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Wheelchair Lift Partition Height

The minimum height required for a partition around a wheelchair lift, ensuring privacy and safety for users.

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Wheelchair Lift Platform Depth

The minimum depth required for a wheelchair lift platform, ensuring sufficient space for a wheelchair user.

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Door Width Requirement (Accessibility)

The minimum width required for a door designed for accessibility.

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Door Handle Height (Accessibility)

The minimum height of a door handle for accessibility. This allows for comfortable reach.

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Maximum Distance Between Turning Spaces

The maximum distance between accessible turning spaces, ensuring maneuverability for wheelchair users.

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Clear Space Before and After Door

The minimum clearance required for a clear space in front of a door for wheelchair users.

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Corridor Width Requirement

The minimum width required for a corridor to accommodate wheelchair users.

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Switch Height (Accessibility)

The distance from the finished floor to the switch for accessibility. This allows for comfortable reach by wheelchair users.

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Maximum Distance to Elevator

The maximum distance from the entrance to an elevator, ensuring accessibility for wheelchair users.

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Corridor Turning Space Dimensions

The recommended size for a turning space in a corridor.

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Roll-in Shower Compartment

A shower compartment measuring 1.8 meters by 1.8 meters, designed for wheelchair users. It must include L-shaped bars for support, a shower spray unit, and a hose reaching at least 1.5 meters.

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Accessible Bathtub

A bathtub designed for accessibility, measuring 0.9 meters by 1.5 meters. It must include clear transfer space for entering and exiting, two slip-resistant grab bars for support (one horizontal above the rim, one vertical at the shower side).

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Changing Places

A spacious, gender-neutral room for private changing needs. It measures 3 meters by 4 meters with a ceiling height of 2.4 meters.

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Escalator Tread Width - S800

The standard width of an escalator tread for people with disabilities, measured at 804mm. This allows for greater stability and wheelchair accessibility.

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Escalator Angle of Inclination

The angle at which an escalator is inclined. For accessible escalators, this angle is fixed at 30 degrees, ensuring a safe and gradual incline.

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Escalator Maximum Speed

Escalators designed for people with disabilities have a maximum speed of 30 meters per minute, prioritizing safety and convenience.

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Accessible Escalator

A specialized escalator designed for individuals with disabilities, incorporating features like a wider tread and lower speed, ensuring accessibility and safe transport.

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Wheelchair Turning Space

The minimum required space for a wheelchair to turn around, ensuring enough room for maneuverability.

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Public Phone Space Requirements

The minimum space needed around a public phone to allow for easy access and maneuvering, including room for wheelchair users.

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Counter Depth for Accessibility

The minimum depth required for a counter to be accessible, ensuring sufficient room for wheelchair users to reach.

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Access Aisle Width

The minimum width required for an access aisle, ensuring sufficient space for wheelchair users to pass through.

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Minimum Desk Width for Accessibility

The minimum width required for a desk to accommodate a wheelchair user, providing ample space to work comfortably.

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Legroom Under a Desk

The minimum space required for legroom under a desk, ensuring wheelchair users have sufficient clearance for their legs.

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Accessible Workstation Percentage

The specific percentage of workstations in an office or workspace that need to be accessible to ensure inclusivity.

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ATM, Kiosk, and Ticket Machine Control Height

The height of controls, such as buttons, screens, and coin slots, on automated teller machines, kiosks, and ticket machines, should be accessible to people of different heights.

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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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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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