Final answer:
The correct answer to the question about where an indirect waste receptor should not be installed is D. Habitable space, to prevent health risks and protect living environments.
Step-by-step explanation:
The question pertains to the installation requirements for an indirect waste receptor within various spaces of a structure.
An indirect waste receptor should not be installed in habitable spaces due to the potential health risks and the need to protect the living environment from contamination.
These receptors are typically associated with plumbing and are designed to protect against backflow, ensuring that waste water does not come into contact with potable water supplies or areas where individuals live and work.
Therefore, the correct answer to the question is D. Habitable space. Basements, mechanical rooms, and crawl spaces are generally considered non-habitable spaces and can be used for installing indirect waste receptors, but it is impermissible within areas designed for living, such as bedrooms, living rooms, and kitchens.
An indirect waste receptor should not be installed in a habitable space because it can pose a health and safety risk to occupants.
Indirect waste receptors are typically used to collect wastewater from plumbing fixtures that cannot connect directly to a sanitary drainage system, such as floor drains in basements or laundry tubs in mechanical rooms.
These receptors are designed to be located in areas where there is minimal risk of human contact with the wastewater, such as crawl spaces or utility rooms.
Installing an indirect waste receptor in a habitable space could expose occupants to foul odors, wastewater backups, and potential health hazards.