Boneh: Difference between revisions
From Halachipedia
→Practical Examples of Building
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===Shtender=== | ===Shtender=== | ||
# Some say that it is permitted to adjust the height of a shtender if (1) the parts aren’t held tightly and (2) the parts are frequently opened and closed (as is common which shtenders in shul). However, if the parts fit tightly or it isn’t opened and closed frequently (as is common which shtenders in a house) it’s forbidden. The pieces are considered held loosely if one isn’t considered if the parts move around where they are joined. <Ref>Or Letzion (vol 2, 27:3). Sh"t Minchat Yitzchak 9:38 prohibits in any event </ref> However, some poskim are lenient in all cases. <Ref>Yalkut Yosef (314, pg 504), Shulchan Shlomo 313:7, Sh”t Shevet HaLevi 6:32. </ref> | # Some say that it is permitted to adjust the height of a shtender if (1) the parts aren’t held tightly and (2) the parts are frequently opened and closed (as is common which shtenders in shul). However, if the parts fit tightly or it isn’t opened and closed frequently (as is common which shtenders in a house) it’s forbidden. The pieces are considered held loosely if one isn’t considered if the parts move around where they are joined. <Ref>Or Letzion (vol 2, 27:3). Sh"t Minchat Yitzchak 9:38 prohibits in any event </ref> However, some poskim are lenient in all cases. <Ref>Yalkut Yosef (314, pg 504), Shulchan Shlomo 313:7, Sh”t Shevet HaLevi 6:32. </ref> | ||
{{Playpens and Cribs on Shabbat}} | |||
===Sukkah Schlock=== | ===Sukkah Schlock=== | ||
# It is permitted to put a rainproof cover (like a plastic tarp) on top of the Sachach of a [[Sukkah]] on [[Yom Tov]] as long as it is clear that one is only doing so to protect the sukkah and also the covering is within 3 tefachim of the sachach. When putting on the cover one should be careful not to move the Sachach because it is [[Muktzeh]]. <Ref>Mishna Brurah 640:25, Shemirat [[Shabbat]] KeHilchata 24:12 </ref> | # It is permitted to put a rainproof cover (like a plastic tarp) on top of the Sachach of a [[Sukkah]] on [[Yom Tov]] as long as it is clear that one is only doing so to protect the sukkah and also the covering is within 3 tefachim of the sachach. When putting on the cover one should be careful not to move the Sachach because it is [[Muktzeh]]. <Ref>Mishna Brurah 640:25, Shemirat [[Shabbat]] KeHilchata 24:12 </ref> | ||
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# Spreading over a mosquito net is different, and would be prohibited according to all Poskim unless it was spread out a the required 3.75 inches prior to [[Shabbos]].<ref>Shemirat Shabbat KeHilchata 24:9, Shevet Halevi 3:54</ref> | # Spreading over a mosquito net is different, and would be prohibited according to all Poskim unless it was spread out a the required 3.75 inches prior to [[Shabbos]].<ref>Shemirat Shabbat KeHilchata 24:9, Shevet Halevi 3:54</ref> | ||
===Concrete=== | ===Concrete=== | ||
# It is forbidden to pour water on concrete on Shabbat in order to harden it even if one is pouring the water for another purpose like washing one's hands and beneath there is concrete that needs to be hardened. The best option is to use a timer. A worse alternative is to ask a non-Jew to do it using grama, such as pouring the water into a vessel near the concrete which when it overflows spills onto the concrete.<ref>Chazon Ovadia v. 5 p. 277</ref> | # It is forbidden to pour water on concrete on Shabbat in order to harden it even if one is pouring the water for another purpose like washing one's hands and beneath there is concrete that needs to be hardened. The best option is to use a timer. A worse alternative is to ask a non-Jew to do it using grama, such as pouring the water into a vessel near the concrete which when it overflows spills onto the concrete.<ref>Chazon Ovadia v. 5 p. 277</ref> | ||
