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Q&A How big a building can be included in the eiruv?

In the movie Dredd (and in the comic books) the cities have huge apartment buildings in them which serve as mini-cities on their own (called "blocks" I think). Vast numbers of people can live in on...

1 answer  ·  posted 5mo ago by rosends‭  ·  last activity 4mo ago by Fred Wamsley‭

Question eruv-chatzerot
#1: Initial revision by user avatar rosends‭ · 2024-05-28T11:20:09Z (5 months ago)
How big a building can be included in the eiruv?
In the movie Dredd (and in the comic books) the cities have huge apartment buildings in them which serve as mini-cities on their own (called "[blocks](https://en.wikipedia.org/wiki/Mega-City_One#:~:text=Mega%2DCity%20One%20is%20a,and%20artist%20working%20the%20story.)" I think). Vast numbers of people can live in one building.

Could a "block" be enclosed in a larger eiruv or is there a maximum sized building that can be included in an eiruv? Why a Dyson Sphere make everything enclosed in it within an eiruv?