Term
| Minimum doorway width required and ideal? Hallway minimum? |
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Definition
minimum 32", ideal 36"
Hallway minimum 36" |
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Term
| Minimum clear width for doorways and halls |
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Definition
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Term
| 360 wheelchair turning space |
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Definition
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Term
| Clear space needed to make 360 turn? |
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Definition
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Term
| Max height side reach WITHOUT obstruction? |
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Definition
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Term
| Max height reach WITH obstruction? |
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Definition
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Term
| Max height forward reach? |
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Definition
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Term
| Minimum height reaching something low to prevent wheelchair from tipping forward? |
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Definition
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Term
| Width pathway/ walkway minimum? |
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Definition
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Term
| Max height for countertops? |
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Definition
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Term
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Definition
Between 29"-36" depending on arm reach.
32" is average |
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Term
| Parking spaces should have an adjacent __ foot aisle to allow wheelchairs to maneuver. |
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Definition
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Term
| Ramps ratio of slop to rise |
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Definition
| 1:12 (for every 1 inch of vertical rise, 12 inches of ramp is required) |
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Term
| Curbs on ramps should be at least __ inches high |
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Definition
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Term
| If ramp is excessively long, _ x _ landings are required to allow for rest |
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Definition
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Term
If person using the ramp has limited UE strength or decreased cardipulmonary capacity, _ x _ lands are required.
Also, if sharp turn in direction of ramp, landings required for turning space |
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Definition
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Term
| A 90 degree turn requires a minimum _ x _ landing; a 180 degree turn requires a minimum _ x _ landing. |
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Definition
4'x 4' for 90 degree turn
4' x 8' for 180 degree turn |
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Term
| Platform by door at end of ramp? |
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Definition
| 5' x 5' platform that extends at least 12" (18" preferred) along the side of the door to allow for door swing without backing up |
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Term
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Definition
| Electric porch lifts and stair lifts |
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Term
Running slope max for:
a. Walk
b. Curb ramp
c. Street |
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Definition
a. 1:20 max for walk
b. 1:12 max for running slope
c. 1:20 max counter slope for street |
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Term
Standard wheelchair dimensions
a. Adult
b. Narrow Adult
c. Slim adult |
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Definition
a. 18" W X 16" D X 20" H
b. 16" W X 16" D X 20" H
c. 14" W X 16" D X 20" H |
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Term
Standard wheelchair dimensions
a. Hemi/ low seat
b. Junior
c. Child
d. Tiny tot |
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Definition
a. Height: 17.5"
b. 16" W X 16" D X 18.5" H
c. 14" W X 11.5" D X 18.75" H
d. 12" W X 11.5" D X 19.5" H |
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Term
| Seat width measurement/ considerations |
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Definition
| Measure widest point across hips and thighs and add 2 inches for clearance |
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Term
| Seat depth measurements/ considerations |
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Definition
| Measure legs at greatest length from butt to knee, then SUBTRACT 2 inches to allow for leg swing |
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Term
| Back height measurements/ considerations |
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Definition
Depends on need for stability/ movement, etc.
Measure seat surface (with cushion) depending on level of trunk control, etc
Mid-back under scap: 1-2" below
Mid scap/ axilla, or top of shoulder
Low back is more functional but can cause back strain
High back for poor trunk stability, but make cause difficulties with stabilizing/ weight shift/ fitting chair in car/ van |
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Term
| Seat height measurements/ considerations |
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Definition
knees & ankles at 90 degrees (measure distal thigh to heel)
Standard height: 19.5"
Hemi-height: 17.5"
Super-low: 14.5" |
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Term
| Footrests clearance from floor? |
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Definition
2 inches
*(cushion selection affects this measurements) |
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