ᐅ Retrofitting Utility Lines into the House

Created on: 26 Mar 2024 08:46
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Musketier
Musketier26 Mar 2024 08:46
Hi,

I have a quick question.

About 10 years ago, we built on a slab foundation.

Now, a company is coming on short notice to plan and they want to install fiber optic cable into the house when possible. Also, this year I will probably need to run a heavier power cable for a wallbox/solar system into the garage.

So the question is how the cables will enter the house.

From the utility room, 3 PVC pipes (KG pipes) for the house connections run down through the slab foundation (1 for water, 1 for telecommunications, 1 for electricity). I can still see the water pipe outside, which has a sealing collar (ring seal). The other two pipes are tiled over and only the cables come out.

Unfortunately, I didn’t take any pictures of the cable entry point from the outside back then. How does this usually look on the outside? Are the PVC pipes generally extended outside and sealed with ring seals as well?

Would it be possible to bring fiber and power cables in through there, or is that unlikely?

As far as I understood from the information session, they want to run the fiber optic cable up the house wall above the slab foundation and then at a 90° angle through the external wall into the house. Visually, a solution below the slab would of course be better. I just don’t know if that’s even feasible.
Nida35a26 Mar 2024 10:26
Musketier schrieb:

They want to simply run the fiber optic cable up the exterior wall along the base of the house and then lead it into the house through the exterior wall at a 90° angle.

This is the usual approach here.
The exception is when there is an empty conduit available, accessible from both ends.
For electrical cables, there are suitable drill bits, and this is the cleanest and fastest method.
The appearance is not a big issue; only cable ducts are visible.
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MayrCh
26 Mar 2024 12:43
Musketier schrieb:

I’m just not sure if it’s even feasible.
Angled drilling between the wall and floor slabs is possible. It’s a bit more complex and costly, but the advantage is that nothing is visible outside afterwards since the drill comes out underground. However, Eastern European fiber optic crews rarely do this due to lack of time, budget, and expertise. With an above-ground wall drilling, there isn’t much they can do wrong or damage.
Musketier27 Mar 2024 18:00
Ok, we had the appointment with the contracted company yesterday; they plan to drill at an angle and come out underground.
That is of course great, and I hope the subcontractor will do it properly.