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Demolition: how to open a stair hopper?

Demolition: how to open a stair hopper?: open

Before demolishing, place on the lower floor mason struts, wedged between wooden battens, all around the future hopper.

Demolition: how to open a stair hopper?: hopper

Dismantle the floor filling until the load-bearing beams of the floor appear. One of them is here in the middle of the hopper.

Demolition: how to open a stair hopper?: hopper

Descend the joists anchored in the load-bearing masonry with a perforator-chisel. Remember to control the shoring beforehand.

Demolition: how to open a stair hopper?: stair

Place props under the floor over the entire length of the beam before cutting at the other end of the hopper.

Demolition: how to open a stair hopper?: open

Position a trimmer (perpendicular beam) at the end of the hopper.
The objective of the operation: to take over the load of the cut beam.

Demolition: how to open a stair hopper?: demolition

Perform welds at all junctions of the header with the metal beams.

Demolition: how to open a stair hopper?: open

Seal the ends of the supporting metal beams in the load-bearing wall.

Demolition: how to open a stair hopper?: hopper

Then all that remains is to finish around the hopper.
In this case, the thickness of the beams is filled with plaster smoothed with a trowel.


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