Question

Analyse the layout of Harappan cities to identify features that promoted cleanliness and public health.

Answer 1

Every house was connected to the street drains.

1. The main channels were made of bricks set in mortar were covered with loose bricks that could be removed for cleaning.
2. In some cases, limestone was used for the covers.
3. House drains are first emptied into a sump or cesspit, into which solid matter settles while wastewater flows out into the street drains.
4. Very long drainage channels were provided at intervals with sumps for cleaning.