MB4 209b: Disposing of Wastewater on Shabbos in a Yard (357:1-3 - part 2)

If one's yard is 16 square amot one can pour water into it on Shabbos without having to dig a pit (assuming the ground is porous).

A yard with an adjacent אכסדרה can be calculated together to reach the 4 square amot for disposing wastewater.

A pit/channel that flows from a yard into reshut harabim.