a prefabricated , transportable , ada compliant , temporary addition , providing ada accessible bathing , hygiene , and optional laundry facilities to the disabled occupants , eliminating the need to negotiate stairs to access a second floor bath or basement laundry . the addition is designed to be transported , lifted , connected and disconnected multiple times . the addition contains a walk - in shower with grab bars , ada sink and sink base , tilt mirror , raised toilet with grab bars , egress door , light , heating unit , and exhaust fan . the addition is supported on a foundation of piers and attached to a ground floor room of an existing home by way of a connecting collar , minimizing the surface area connection to the house . the addition is pre - plumbed and wired with plumbing and electrical access points at the base of the addition that are connected to the existing home &# 39 ; s utilities through a hole into the basement .