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2. Tower crane anti-collision system - Wikipedia

   en.wikipedia.org/wiki/Tower_Crane_Anti-Collision...

   The operator's cabin hosts a display showing the tower crane's position, movement and operating area. Where the tower crane’s operating area overlaps with other cranes or prohibited zones these are also displayed. The system alerts the operator when the crane is approaching a prohibited area or another crane. [9]

3. Tower climber - Wikipedia

   en.wikipedia.org/wiki/Tower_climber

   Tower climbers perform routine inspections and tests on broadcasting towers, and may also be called upon to perform repairs and to provide input when plans for new equipment are being developed. Along with the installers of the tower antennas, other crews climb the towers to perform condition checks of the towers, guy lines and lighting systems.

4. Level luffing crane - Wikipedia

   en.wikipedia.org/wiki/Level_luffing_crane

   A level-luffing crane is a crane mechanism where the hook remains at the same level while luffing: moving the jib up and down, so as to move the hook inwards and outwards relative to the base. [ 1 ] Usually the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.

5. New York City crane collapse – live: 12 injured after 16 ...

   www.aol.com/york-city-crane-collapse-live...

   NYPD urges people to avoid area. Wednesday 26 July 2023 14:30, Rachel Sharp. The NYPD has urged the general public to avoid the area around the crane collapse. “ADVISORY: Due to a crane collapse ...

6. Jib (crane) - Wikipedia

   en.wikipedia.org/wiki/Jib_(crane)

   A jib or jib arm is the horizontal or near-horizontal beam used in many types of crane to support the load clear of the main support. [1] [2] An archaic spelling is gib. [3] Usually jib arms are attached to a vertical mast or tower or sometimes to an inclined boom.

7. 303 East 51st Street - Wikipedia

   en.wikipedia.org/wiki/303_East_51st_Street

   On March 15, 2008, a crane owned by New York Crane & Equipment collapsed during construction. Seven people were killed and 24 others were injured. [ 5 ] It was a luffing-jib tower crane manufactured by Favco that was 200 feet (61 m) tall at the time of the collapse.