I'll be working on a new high voltage job beginning in June. I went to scope the job out, and took a few pictures while I was there. This is another typical HV trench, although these conduits are being covered in concrete (it's a parking lot!) instead of stone, like the one at the zoo.
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This concrete box is a manhole. These are precast, and set in place with a crane. In the olden days, carpenters used to build forms for concrete to be poured into. This is much quicker and more efficient, as well as modular.
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These rings will be set over the top opening, giving us access once the manhole is covered with earth.
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We've got two new manholes on the project, and we'll be tying into an existing manhole during phase 2.
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