Project · Shotcrete shoring

JCL Inc. — Shotcrete Shoring, Calgary

Temporary shotcrete shoring on a residential basement excavation in Calgary, AB. Welded wire mesh pinned to the cut, wet-mix shotcrete sprayed onto the mesh, and a finished wall protecting the neighbouring fence line.

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Finished temporary shotcrete shoring wall along a fenced property line in a residential basement excavation in Calgary

The job

JCL Inc. was digging a residential basement right up to a fenced property line. The west face of the excavation ran along the neighbour's fence, so that face needed temporary shoring while the basement goes in.

We shored it with shotcrete: welded wire mesh pinned to the cut, wet-mix shotcrete sprayed onto the mesh, and a finished wall between the dig and the fence line. Shotcrete shoring is one-sided, with no forms or bracing on the neighbour's side, which is why it suits tight residential lots.

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Project facts

Client
JCL Inc.
Location
Calgary, AB
Project
Residential basement excavation
Scope
Temporary shotcrete shoring
Wall
West face, along a fenced property line
Reinforcement
Welded wire mesh pinned to the cut
Shotcrete
Wet-mix, sprayed onto the mesh
Crew
ACI-certified shotcreter (wet-mix) on our crew
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Drawings, or just depth, wall length and a few photos of the lot.

1. Mesh pinned to the cut

Once the excavator had opened up the west face, our crew fixed welded wire mesh to the soil cut and pinned it in place along the fence line, ready for shotcrete.

Crew fixing welded wire mesh to a soil cut along a wooden fence in a residential basement excavation, excavator bucket in the foreground

Welded wire mesh going onto the cut along the fence line.

Welded wire mesh pinned to the excavation face before shotcrete, with a crew member securing the mesh

Mesh pinned to the soil cut before shooting.

2. Wet-mix shotcrete onto the mesh

With the mesh on, we sprayed wet-mix shotcrete onto it and built up the face along the cut. The base of the neighbour's fence was covered with cardboard to keep overspray off.

Nozzleman spraying wet-mix shotcrete onto a mesh-reinforced excavation face along a fence line, seen from behind

Shotcrete going on over the mesh.

Wet-mix shotcrete sprayed onto welded wire mesh, Calgary

Freshly sprayed shotcrete face along a residential excavation, with cardboard protecting the base of the neighbouring fence

Sprayed face, fence covered against overspray.

3. Finished wall

The finished shotcrete wall lines the west face of the excavation, protecting the neighbouring fence line while JCL Inc. carries on with the basement.

Finished temporary shotcrete shoring wall below a wooden fence line in a residential basement excavation

Finished wall below the neighbouring fence line.

Digging close to a property line?

Send us your drawings, or just the depth, wall length and a few photos of the lot, and we'll take a look.

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