Use of Mobility Devices on Paratransit Vehicles and Buses (2014) / Chapter Skim
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7 C H A P T E R 3 There are two key motivations for this project: the changing population demographics and the increase in size and weight of WhMDs. Demographics–Passenger Profiles As the population of the U.S.
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8chairs. They typically cannot transfer independently from their WhMD and often need assistance.
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9 Table 6. Dimensions of generic types of WhMDs.
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10 Table 6. (Continued)
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11 Table 6. (Continued)
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12 types of WhMD according to manufacturer/supplier information and this shows that most devices are less than 32 in. wide, however many exceed 48 in.
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13 for example, to negotiate the entry to urban buses. Most of these scooters are also not equipped with designated attachment points according to WC-19, resulting in unsafe securement.
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14 Mobility Device Weights with Different Occupant Weights Mobility Devices -- Weight and Dimensions This section discusses the trends in weights and dimensions of wheeled mobility devices, and is supported by anthropometry studies conducted in North America and the United Kingdom. The Idea Center at the University of Buffalo has completed a significant evidence-based research study for the US Access Board.
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15 Table 10. Equipment dimensions based on: ISO 7176-2009; US ICC/ANSI A117.1; Canada CAN/CSA B651-04; UK BS8300:2001; manufacturer's products specs.
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16 Securement Environment The level of securement and the operating environment encountered by people who use WhMDs depends on the characteristics of the transport vehicle. As discussed in other sections, WhMDs and occupants will all react differently to applied forces or loads.
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17 Data Source Sample Size Min 5%ile Mean 80%ile 90%ile 95%ile Max BS8300:2001,U.K. Manual chairs self propelled 54 700 1090 1124 1200 Power chairs 27 700 1160 1190 1400 Manual and Power chairs*
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18 Data Source Sample Size Min 5%ile Mean 80%ile 90%ile 95%ile Max Seeger et al., AUS All Device Types*
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19 Data Source Sample Size Min 5%ile Mean 80%ile 90%ile 95%ile Max Seeger et al., AUS All Device Types* 240 1170 1480 1750 UDI, Canada Power chairs and scooters*
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20 Vehicle Type Large Vehicle environment 3 g environment 20 g environment Paratransit vehicles, Less than 30 000 lbs. GVW Forward facing, e down, occupant restraint WC19 Rearward facing with padded barrier Small vehicles, taxis, personal vehicles, vans; less than 30 000 lbs.
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