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  2. Tacoma Narrows Bridge (1950) - Wikipedia

    en.wikipedia.org/wiki/Tacoma_Narrows_Bridge_(1950)

    The midspan and tower hydraulic damping mechanisms were also installed, and workers began removing the catwalks, tower buttresses, and other working platforms. Work also progressed at the west end of the bridge, where workers modified the 450-foot-long (140 m) approach viaduct that once had been a part of the 1940 span for use in the 1950 bridge.

  3. Tension grid - Wikipedia

    en.wikipedia.org/wiki/Tension_grid

    Tension grid assembly with removable modules at La Jolla Playhouse's Potiker Theater. A tension grid is a type of non-standard largely-transparent catwalk.Tension grids are composed of tightly woven wire rope steel cables that create a taut floor strong enough for technicians to walk on.

  4. Footbridge - Wikipedia

    en.wikipedia.org/wiki/Footbridge

    Narrow footbridges or walkways to allow workers access to parts of a structure otherwise difficult to reach are referred as catwalks or cat walks. [9] Such catwalks are located above a stage ( theater catwalk ) in a theater, between parts of a building, along the side of a bridge, on the inside of a tunnel, on the outside of any large storage ...

  5. Patient lift - Wikipedia

    en.wikipedia.org/wiki/Patient_lift

    A patient lift (patient hoist, jack hoist, Hoyer lift, or hydraulic lift) may be either a sling lift or a sit-to-stand lift.This is an assistive device that allows patients in hospitals and nursing homes and people receiving home health care to be transferred between a bed and a chair or other similar resting places, by the use of electrical or hydraulic power.

  6. Hydraulically activated pipeline pigging - Wikipedia

    en.wikipedia.org/wiki/Hydraulically_Activated...

    Utility Pigs, are used to perform functions such as cleaning, separating, or dewatering. In Line Inspection (ILI) Tools, provide information on the condition of the line, as well as the extent and location of any problems. Gel Pigs, are used in conjunction with conventional pigs to optimize pipeline dewatering, cleaning, and drying tasks.

  7. Moving walkway - Wikipedia

    en.wikipedia.org/wiki/Moving_walkway

    Moving walkway inside the Changi Airport station of the Singapore MRT. A moving walkway, also known as an autowalk, [1] moving pavement, [2] moving sidewalk, [3], travolator, [4] or travelator (British English), [5] is a slow-moving conveyor mechanism that transports people across a horizontal or inclined plane over a short to medium distance. [6]

  8. Top of the World Tour - Wikipedia

    en.wikipedia.org/wiki/Top_of_the_World_Tour

    The multi-tiered in-the-round stage was a feat of engineering complete with shifting hydraulic-lift levels, winding catwalks and walkways that extended over the heads of the audience. It weighed over 80,000 pounds and took up most of the arena floor.

  9. V/Line N class - Wikipedia

    en.wikipedia.org/wiki/V/Line_N_class

    The class was the first in the world to use the EMD D43 traction motor, similar to, but smaller than, that used in the C and G classes. Head end power is provided by a separate engine unit in a special compartment located at the number 1 end of the locomotive, behind the electrical cabinet. The 240 kW generator provides 415 V 3-phase AC power ...