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Five factors to consider when choosing the rightPotain tower crane for your project.

Selecting the right Potain tower crane for thejob can save huge amounts of time and money on the project, as well as ensuringreliable and accurate operation onsite. So, it is important to get it right,through detailed planning with your local Potain dealer. Here we look at someof the basics, to get you started.

WhichPotain model do you need?

The starting point is figuring out which Potaincrane from its wide range is right for your particular jobsite. To do this,talk to the contractors to understand what the loads are: how much do theyweigh; what size are they; and, from where to where will they be lifted? Then,check the constraints of the jobsite and look at possible options for sittingthe crane.

Next, determine how high it will be rigged andlook at the best way to achieve that. At this stage, it also pays to check thecrane’s mechanisms for slewing, hoisting, and trolleying. These are thelifeblood of any crane. So, they need to have proven reliability to meet thedemands of a long-term project.

At Potain, all mechanism designs undergolifetime testing so you know you’re in good hands from the outset.


How many tower cranes do you need andwhere will they be positioned?

The cranes need to cover as much of the jobsiteas possible, while avoiding existing buildings, such as apartments or officeblocks. This working area can be determined from the construction plans.

The number of Potain cranes will also depend onthe construction schedule. The more there are, the higher the productivity.However, more cranes also mean more planning and anti-collision technology isvital for these jobsites.

On jobsites where Potain cranes are allowed tooverlap, there are often local regulations governing. Potain topless cranes aredesigned specifically to allow greater numbers to work together and overlapinside a set space. So, these are often the best choice for busy projects.

Howwill you get the crane to the jobsite and ready to work?

Transporting and assembling tower cranes takestime and costs money. So, it makes sense to choose one that makes this as fastand efficient as possible. With Potain cranes, the mast and jib componentstypically come in 3 m to 12 m (10 ft – 39.5 ft) sections, making them easy tomove by truck.

Once onsite, getting the crane assembled needsthe support of a Grove mobile crane. Often, the choice of mobile crane isdetermined by the weight of the heaviest component (usually the slewingassembly).

If you have to rent a bigger mobile crane, thenit is more expensive to install the tower crane, so pay particular attentionhere for internal-climbing tower cranes, as dismantling the crane from the roofafter construction will need to be accounted for. Assembling Potain cranes isdesigned to be as fast and easy as possible, with built-in slinging points onthe jib and pinned joints on the mast and jib for easy connection.

Howhigh will the crane need to go?

To accommodate varying project needs, Potaintower cranes can be installed on a choice of mast sections depending oncustomer needs. For example, slimmer sections for internal climbing orstronger, wider sections for higher free-standing heights with fewer anchors.

Your Potain crane will ultimately reach a heightthat is taller than that of the completed building. For super high-risebuildings that are over 200 m (650 ft) tall, an internal climbing tower craneis a good option. With this set-up, the crane can be installed inside anelevator shaft and climbed as the building grows around it, avoiding the needfor large numbers of bracings and anchors.

Whatkind of weather conditions will the crane have to withstand?

Understanding and respecting the weather is oneof the most critical aspects to running successful tower crane operations onsite. Wind speed should be monitored constantly, and when planning the project,anticipated weather should be factored into construction progress. Consideralso that above certain heights, tower cranes will have to be attached to abuilding for stability.

The biggest enemy of tower cranes is wind; soyou need to have a process that understands the effect it has on the structureof the crane and on loads, as well as full awareness of the crane’s liftinglimits and a highly experienced operator.

Thisarticle was contributed by Manitowoc.



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