Tower Crane Gallery – 27

The picture shows the self erecting tower crane that the jib sections are not fully erected.

Tower Crane Gallery – 26

A medium sized construction site with 4 luffing tower cranes erected and operated, a anti collision system is a must for this site because the overlapping zoning do exists for the cranes. And the most critical issue for this construction is the nearby railway station, the railway station should be the prohibited area on the anti collision system that prevent the cranes from entering into this area.

Tower Crane Gallery – 25

This tower crane looks like a self erecting crane.

Tower Crane Gallery – 24

A large job-site with 3 tower cranes there, a luffing crane and hammer head crane, while the last crane are not identified because the upper part of the crane is not shown on the picture. The first 2 tower cranes are obsviously outside the building.

Tower Crane Gallery – 23

The luffing tower crane in white is sitting on the base chassis with concrete weight putting on top of the chassis to prevent overturning of the tower crane.

Tower Crane Gallery – 22

Nice picture with 4 lifting crane on a job-site, the distance between the luffing crane are not far away, so a well managed anti collision system is a must for this job-site, in order to maintain the safe use of the cranes on sites.

Tower Crane Gallery – 21

This luffing tower crane has 3 sets of Anchorage frames attached on the mast and connect to the building with wall ties. The wall tie systems has 3 ties (beams) for the connection.

Tower Crane Gallery – 20

This tower crane looks like some heavy duties special crane which are for offshore usage. This crane is in huge size with the cylindrical tower in the vertical section which can resist for a larger forces.

Tower Crane Gallery – 19

The tower cranes shown on this picture are heavy duties cranes that can erect with a really high static height without using wall tie systems. They are here to build the huge structure for the bridge columns, so the crane should be heavy duties and most lift are close to the lifting capacity, a detailed crane inspection should be performed in this case.

Tower Crane Gallery – 18

This picture shows the hammer head tower crane, the crane with the telescopic cage installed and also with the platforms installed around the cage, the cage is not yet raised up to connect to the slewing mechanism, and a mast section is on the top slap which is ready for the mast addition.