Western Australian Consolidated Regulations

HEALTH ACT (LOCAL AUTHORITIES' SEWERAGE UNDERTAKINGS) MODEL BY-LAWS - REG 89

89 .         Combining of vents

                Vent pipes may be branched into a soil pipe or waste pipe, above the level of the highest fixture; provided that in the case of the separate pipe system, soil vents are branched into soil pipes and waste vents into waste pipes only.