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  2. Low-floor bus - Wikipedia

    en.wikipedia.org/wiki/Low-floor_bus

    Low floor refers to a bus deck that is accessible from the sidewalk with only a single step with a small height difference, caused solely by the difference between the bus deck and sidewalk. This is distinct from high-floor , a bus deck design that requires climbing one or more steps (now known as step entrance) to access the interior floor ...

  3. Railway platform height - Wikipedia

    en.wikipedia.org/wiki/Railway_platform_height

    Single-deck cars, which generally serve the prevalent high platforms in the Northeast, feature trapdoors that expose stairs so that passengers can access the low platforms. Double-deck commuter railcars are designed to be compatible with single-deck cars by having a third, intermediate deck above the bogies at both ends, with a matching floor ...

  4. Deck (building) - Wikipedia

    en.wikipedia.org/wiki/Deck_(building)

    The deck of a house is generally a wooden platform built above the ground and connected to the main building. It is generally enclosed by a railing for safety. Access may be from the house through doors and from the ground via a stairway. Residential decks can be constructed over steep areas or rough ground that is otherwise unusable.

  5. Stairs - Wikipedia

    en.wikipedia.org/wiki/Stairs

    An intermediate landing is a small platform that is built as part of stairs between main floor levels and is typically used to allow the stairs to change directions, or to allow the user a rest. A half landing, or half-pace, is where a 180° change in direction is made, and a quarter landing is where a 90° change in direction is made (on an ...

  6. Stoop (architecture) - Wikipedia

    en.wikipedia.org/wiki/Stoop_(architecture)

    Traditionally, in North American cities, the stoop served an important function as a spot for brief, incidental social encounters. Homemakers, children, and other household members would sit on the stoop outside their home to relax, and greet neighbors passing by.

  7. Bilevel rail car - Wikipedia

    en.wikipedia.org/wiki/Bilevel_rail_car

    Occasionally a third, very tall "two floors over-wheel" design is used. This is a traditional single floor car "with a second story" design which, when using a low platform, requires steps up to a traditional floor height and then internal stairs up to the upper floor.

  8. Caisson (engineering) - Wikipedia

    en.wikipedia.org/wiki/Caisson_(engineering)

    Schematic cross section of a pressurized caisson. In geotechnical engineering, a caisson (/ ˈ k eɪ s ən,-s ɒ n /; borrowed from French caisson 'box', from Italian cassone 'large box', an augmentative of cassa) is a watertight retaining structure. [1]

  9. Mobile safety steps - Wikipedia

    en.wikipedia.org/wiki/Mobile_Safety_Steps

    Mobile safety steps, sometimes called warehouse steps, are mobile structures with steps up to a platform. The steps use wheels or casters , making them easy to move. They have the advantage over standard ladders in that the operative can have one hand free when moving up and down the steps and both hands free if there is a top-level platform.