ᐅ Outdoor cable installation over long distances

Created on: 9 Aug 2021 04:18
H
Hausner
H
Hausner
9 Aug 2021 04:18
Hello,

I am building on a plot located behind another property and have a 25 m (82 ft) private access road, which I own. The telecom cable comes from there, and I need to install a conduit. Since after the 25 m (82 ft) there is another 90-degree bend, followed by approximately 18 m (59 ft) to the next 90-degree bend, and then about 8 m (26 ft) to another 90-degree bend leading into the house, I wonder if the stiff cable can handle that at all. Or would it be better to plan for something in advance, such as an inspection chamber or at least leave a pull hole open during the move-in? What are your thoughts?

In this context, I would also like to lay additional cables (power, LAN, KNX) there. Of course, I can install these cables inside a conduit as well, but then I would probably face the same problem as mentioned above. Or should I lay them directly underground without a conduit?
rick20189 Aug 2021 06:13
Use larger Kabuflex with a pull aid. You won’t be able to avoid pull shafts.
H
hampshire
9 Aug 2021 10:03
Pull ducts will be very helpful.
Install them in wide curves for better results.
We used DN150 (6 inch) plastic pipes for the service lines with a maximum of 45-degree bends. This worked well over about 30m (100 feet), as the routing was not very winding. Thinking it through, I believe we managed with 8 pieces of 45-degree fittings without a separate pull duct.
H
Hausner
9 Aug 2021 11:09
Ah, thanks for the information. How many cables did you have in the 150mm (6 inch) conduit?
H
hampshire
9 Aug 2021 12:24
At most 2 conduits
We have installed three pipes in parallel for the supply:
1. Fresh water
2. Wastewater
3. Electricity and telecommunications
H
Hausner
9 Aug 2021 12:55
Telecom = cables from the telecom provider? (They are indeed stiffer than an A-2Y(L)2Y)

And electricity = main house connection cable?

By now, I’m seriously considering just burying the cables directly in the ground without conduit. Who knows what might need to be pulled through later.

Only for the telecom cables would I have to provide a conduit, since they will come later and pull the cables through then.