AS 1172.4:2019 pdf free.Sanitary plumbing products Part 4: Washbasins. 1.5.5 Waste outlet The waste outlet hole shall incorporate a flange recess that allows the installation of a waste fitting conforming with AS 1589 or AS 2887 such that the fitting permits the drainage of the basin. 1.5.6 Support and rigidity The washbasin shall provide for a means of secure support...
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