Keywords:
Anti-siphonage systems, Building drainage, Buildings, Construction requirements, Constructional products, Definitions, Disposal of feces, Drainage, Estate drainage, Faeces, Installations, Lifting facilities, Maintenance, Marking, Materials, Operation, Principles of construction, Real estates, Reflux control, Sewage, Sewage lifting facilities, Specification (approval), Surface spread of flame, Surveillance (approval), Surveys, Testing, Testing principles, Waste-water drainage, Water practice