This is what a Demag AC435 all-terrain telescopic crane looked like before it received the colors of the Quebec company “Grues Guay“:
This all-terrain crane was recently at work in Old Quebec, on the Côte de la Montagne. The coast has a fairly steep slope and it was necessary to create an artificial horizontal surface using pieces of wood to make the work safe.
The crane operator used a stepladder to get in and out of his vehicle as needed:
So this gave the following result, once the crane was at work:
With the telescopic arm fully extended:
In the last photo below, you can see a person in a basket that is suspended at the end of the telescopic arm, confident that the tens of thousands of pounds of counterweight will keep the crane from tipping over. The calculation had to be very precise. Everything had to remain stable throughout the day! And since the work on the building lasted several days, the same operation had to be repeated every morning …
Click for more pictures of Québec City in summer on my blog.