1.
Josh Hersch asked:
What isur deoraitah is there to remove debris on shabbos? At worst it is only isur derabanan (muktzah)?
Josh Hersch,
2.
The Kollel replies:
See Even ha'Azel to the Rambam, Hilchos Shabbos 2:18, who discusses whether the Isur of removing debris is considered to be in the category of Soser or in the category of Boneh.
D. Zupnik