What are the proper dimensions of the mound latrine?

The proper dimensions of the mound latrine are established to ensure effective sanitation while accommodating user comfort and functionality. The dimensions of 6 feet wide and 12 feet long provide ample space for construction, allowing for both the seat and the necessary mound structure that enhances drainage and aeration of the waste. This larger size facilitates maintaining cleanliness and easier operation, as it allows for sufficient movement around the area. Furthermore, the dimensions contribute to a more stable structure, reducing the risk of collapse or contamination due to improper drainage, which is critical in wastewater management.

The other options do not meet these requirements, as they provide insufficient width and length for effective waste management.