P1 In this Part—
domestic hot water means water that has been heated for ablution, culinary and cleansing purposes irrespective of the type of building;
sanitary accommodation means a room or space which contains a water closet or urinal whether or not it contains other sanitary appliances;
sanitary appliances includes a water closet or urinal and a bath, shower, wash-hand basin, bidet or other fitting for ablutionary purposes;
sanitary pipework and underground foul drainage have the meaning assigned to them by regulation N1; and
urinal includes one or more slabs, stalls, troughs, bowls and other suitable receptacles.