This morning the guys from TCS came to site to take down the Potain MC85 tower crane. This tower crane stood at 50 meters tall with a 50 meter jib. I will go through the removal process.
6-7am. 300 tonne capacity Grove Mobile crane arrives along with riggers and dogmen, safety talks conducted and JSA filled out. Area is fenced off to stop entry from the public.
By 740 the mobile crane is set up, the riggers fix the fly jib to get the extra reach required to take down the tower crane
We have begun removing the counter weights, the smaller ones weigh 2.9 tonnes and the larger ones weigh 3.4 tonnes. Three counter weights are taken out, leaving one 3.4 tonne weigh remaining to balance the jib weight
The counterweights are placed on the trucks that have arrived in the car park to be loaded up. Once the counterweight lands it has to be laid flat, this requires the skills of the crane operator and rigging crew.
From here on the hard part is out of the way, one rigger hooks up the 10 meter tower sections and gets the mobile crane to take a little bit of weight, the other rigger knocks out the pins that connect the tower sections together. Once the pins are removed the mobile lifts the tower section to the car park and it is loaded onto the trucks.
Whilst waiting for the riggers dismantling the tower the mobile crane will do lifts in the car park where the other riggers are taking appart the 50 meter jib into smaller pieces and loading them onto the truck
Thats pretty much it, the trucks are loaded and delivered to the builders yard where they will be unloaded and stored until they are required again. The mobile crane then packs up and the tower crane is but a memory.
The whole this was finished just a little bit after midday
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