Strike the definition of Aquatic Vessel in Section 202 of the International Swimming Pool and Spa Code in its entirety and insert a new definition of Aquatic Vessel in Section 202 of the Swimming Pool and Spa Code in its place to read as follows:
AQUATIC VESSEL. A vessel, permanent or temporary, intended for swimming, bathing, or wading and that is designed and manufactured to be connected to a circulation system. For purposes of this code, the term is used to identify all the types of vessels governed by this code, including: swimming pools, aquatic facilities, spas and hot tubs, and related equipment. Such vessels are either used in a residential application or in a public application. This definition does not include: prefabricated pools accessory to a Group R-3 occupancy, or accessory to buildings under the jurisdiction of the Residential Code, which are less than 24 inches (610 mm) deep, do not exceed 1000 gallons (3785.41 L), are installed entirely above ground, and are not designed or manufactured to be connected to a circulation system.
D.C. Mun. Regs. tit. 12, r. 12-L202