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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c

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Classification
Building class 1a Building class 1b Building class 2 Building class 3 Building class 4 Building class 5 Building class 6 Building class 7a Building class 7b Building class 8 Building class 9a Building class 9b Building class 9c Building class 10a Building class 10b Building class 10c
Part A6 Building classificationPart B1 Cold water servicesPart B2 Heated water servicesPart B3 Non-drinking water servicesPart B5 Cross-connection controlPart C2 Sanitary drainage systemsNSW Part B4 Fire-fighting water servicesNSW Part C3 On-site wastewater managementNSW Referenced documentsNSW Footnote: Other legislation affecting buildings