This standard specifies the dimensional, performance, materials and marking requirements for waste outlets, traps and overflows for kitchen sinks, shower trays, wash basins, bidets and baths which are connected to gravity drainage systems, whatever the purpose of the building. This standard does not specify requirements for waste outlets, traps and overflows which are integral with sanitary appliances. NOTE All figures in this standard are diagrammatic only. This standard does not cover the possible effect of aggressive drain cleaning materials on products.