If an alleyway wall is breached on its side NOT toward its end, what is the maximum permissible breach — and does heavy foot traffic change this?
Synopsis
When the breach is not near the entrance, the limit is 10 amot regardless of whether the wall foundation remains. However, if many people regularly pass through the breach, even 4 tefachim invalidates it.
More in Alleyway Entrance Shapes
If an alleyway wall is breached on its side toward its end (near the lechi or beam), and a four-handbreadth post remains at the end — is the alleyway still permitted for carrying?
5 opinions
When an alleyway is breached its full width into a courtyard, and the courtyard is also breached on the other side toward the public domain, what are the rules for the alleyway and courtyard — and how does whether they made a joint eruv affect this?
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Is it permitted to use the space directly beneath the beam (korah) and opposite the lechi of an alleyway for carrying objects?
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May a person sit at the entrance of an alleyway (beneath the korah) with an object in hand?
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Should one protest against women who sit at the entrance of an alleyway with their jugs in hand (technically violating a rabbinic prohibition)?
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If the beam or lechi of an alleyway falls on Shabbat (after the alleyway was already permitted for part of the day), may one continue carrying in the alleyway for the rest of Shabbat?
5 opinions
If an alleyway had a partnership eruv (shituf) and the korah breaks, which courtyards remain permitted for carrying?
5 opinions
Related from other topics
When a karpeif of exactly two seahs is breached into an adjacent courtyard, does the karpeif become forbidden?
Ships and Boats on Shabbat
When three adjacent enclosures with inferior partitions share an eruv, and the outer ones are wider than the middle (so the middle is fully breached into the outer ones), what are the carrying permissions?
Lechi and Korah for Alleyways
When a courtyard is breached into a public domain by more than ten amot (or its entire width), what is the legal status of the breach site and of the courtyard?
Side Beam Placement Rules
When a house wall is breached at a corner and the roof is also breached leaving only a diagonal strip, does pi tikra still apply to permit use of the house?
Side Beam Placement Rules
When a courtyard is breached at full width into the public domain, may one carry within the courtyard without restriction, or only within four amot?
Side Beam Placement Rules
Does a tzurat hapetach (doorframe-shaped structure) remedy a breach wider than ten cubits, and does the Rambam dispute this?
Cross-Beam Construction Requirements
Discussion
Discussion coming soon.
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