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À LA PELLE, the specialist in hydraulic excavator attachments Who is Arnaud Dufour
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By trade

Demolition and recycling

Bringing it down is the easy part. What costs is what is done with the rubble — and that is where the tooling changes the economic result of the job.

This trade also covers: selective demolition, building strip-out, deconstruction, sorting of site waste, on-site recovery, scrap recovery.

The essentials
Common classes
10 t and above
Auxiliary line
Multiple
Constraint no. 1
Carting away
Coupler
Hydraulic, S or CW

The typical machine class →

01 The trade

What this trade demands of the tooling

A demolition produces concrete, steel, timber, insulation and mixed waste.
Each has a channel, a price and a tax.
The profitability of the job turns less on the speed of demolition than on the quality of the sorting and on what you manage not to cart away.

Every lorry that leaves is a double expense:
the transport and the tipping charge.
Every lorry that arrives full of aggregate is a third.
It is that equation that the crusher bucket and the screener come to break — and that is why they pay for themselves quickly on jobs with volume.

Excavator fitted with a sorting grab setting a concrete slab down on a heap, scrap sorted separately and skips kept apart
Two heaps, two skips:
the concrete on one side, the scrap on the other. That sorting is done with the grab, during the demolition — not afterwards, when everything is mixed.
Synthetic image.
The hammer does not break by force, it breaks by frequency.
On a slab, it is the pattern of the passes that does the work.
Synthetic video.
02 The tools

The tools that matter, in the order of the job

  • 01 — Bringing it down The breaker for the mass.
    The crusher and the grabs for selective demolition — with no percussion, so with no wave transmitted to what must stay standing.
  • 02 — Separating The crusher frees the bars; the shear cuts them.
    It is that sequence that turns a mixed heap into two recoverable materials.
  • 03 — Sorting Sorting grabs and grapples do the sorting as they go, instead of sorting a heap afterwards — which always costs more.
  • 04 — Recovering on the spot The crusher bucket reduces the concrete to reusable aggregate; the screening bucket grades it. What leaves the site no longer has to come back to it.
  • 05 — Cutting without vibration The cutter rasps instead of striking.
    On a party wall, on an occupied site or under a noise constraint, it is often the only acceptable tool.

It is the trade that uses up the most hydraulic functions. A coupler takes one, a rotating grab two.
On this job more than on any other, the number of lines available decides what the machine can carry. See the 7 criteria.

03 Check

What is checked before fitting out

  • The number of hydraulic functions, after the coupler It is what is left that determines the possible tools.
  • The operating weight, arm extended A screener or a crusher work loaded, and often at height.
    It is that weight that governs the sizing, not the catalogue one.
  • The real reinforcement of the concrete More than the thickness, it is what decides the size of grab or crusher.
    A lightly reinforced wall and a prestressed beam do not call for the same tool.
  • What the recovery channel accepts Particle size, proportion of fines, absence of foreign bodies:
    the requirements of the recovery channel designate the settings of the crusher and the screener.

Have your fleet checked.

Give us your machines, their hydraulic lines, and the type of demolition you do.
Above all, tell us what you cart away today:
that is almost always where the investment that pays for itself is to be found.

Written study within 3 working days, complete file.

Tell us about your worksite Written study within 3 working days, complete file · no obligation

By trade

The same tool is not chosen in the same way depending on who fits it, and on what is around it.

The 12 trades

Tell us what you want to do.

Your machine, your worksite, your coupler if you know it.
We tell you what fits on it — and what does not.

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