What type of fixtures must be included in a dwelling unit according to plumbing standards?

The requirement for a dwelling unit to include at least one of each category of plumbing fixtures is based on ensuring that the essential needs of the occupants are met. This includes not only basic sanitary needs but also the ability to prepare food and maintain hygiene, which are critical for health and wellness.

Housing codes and standards typically mandate that a dwelling unit includes specific plumbing fixtures categorized broadly into sanitary fixtures (such as toilets and urinals), bathing fixtures (like showers and bathtubs), and kitchen fixtures (such as sinks). By requiring that at least one of each type of fixture is present, the standards aim to provide a comprehensive approach to comfort and sanitation for residents.

Having a diverse range of plumbing fixtures allows for various daily activities, such as cooking, cleaning, and personal hygiene, to occur efficiently within the unit. This ultimately contributes to a functional living environment that complies with health and safety regulations.

Including just one type of fixture, like a sink or a toilet alone, would not adequately serve the varied needs of inhabitants, thus highlighting the importance of having a complete set of necessary plumbing fixtures.