this post was submitted on 11 Nov 2024
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Underground cables.
Underground works well for greenfields construction, where you can map everything out ahead of time and don't have to deal with existing underground services.
It's manageable on low-density streets where its really only three waters and maybe some telephone lines.
It's a nightmare to underground existing infrastructure in dense environments. Underground is already full of three generations of critical comms, corroding gas, water, HV lines that will fail if you look at them wrong, and if you're really unlucky, steam pipes too.
Have you ever been to a german city? Underground power cables are the norm here, especially in densly populated areas. Usually only railroad power cables and high voltage long distance lines are above ground.
Yeah, we have lots of underground services here in NZ. It's when you start getting to low population densities that you start having trouble doing it.