{"product_id":"2025-national-construction-code-ncc-volume-three-plumbing-code-of-australia","title":"2025 National Construction Code - NCC Volume Three Plumbing Code Of Australia","description":"\u003ch2\u003e\u003cstrong\u003e2025 National Construction Code (NCC) - Volume One Building Code Of Australia\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cspan\u003eWhat is \u003cmeta charset=\"utf-8\"\u003eNCC Volume Three?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe NCC is divided into 3 volumes. Volume Three covers technical requirements for the design and construction of plumbing and drainage systems in both new and existing buildings. Volume Three applies to these systems in all classes of buildings whenever plumbing work is carried out, and additionally applies to sites where water services are constructed independent of buildings. \u003c\/p\u003e\n\u003cp\u003eAs a performance-based code, it sets the minimum required level for the safety, health, amenity, accessibility and sustainability of certain buildings. \u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eKey Updates in NCC 2025\u003c\/span\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cb\u003e\u003cspan\u003eLead-Free Plumbing Products - Now Mandatory\u003c\/span\u003e\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003ePCA 2025 requires copper alloy plumbing products in contact with drinking water to be certified under WaterMark and carry the Lead Free WaterMark logo. Relevant plumbing work commenced on or after 1 May 2026 must comply with these requirements.\u003c\/p\u003e\n\u003ch3 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eCross-Connection Control Restructured\u003c\/span\u003e\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003cmeta charset=\"utf-8\"\u003eCross-connection hazard provisions previously contained in Specification 41 of NCC 2022 have been relocated to Clause B5D7 and updated. Marinas are now classified as high hazard properties, rather than medium hazard, for containment protection purposes. These provisions have also been updated to introduce exemptions for sites not connected to a Network Utility Operator (NUO).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFire Hydrant System Material Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA new subclause has been added to require all above-ground pipes and fittings used to supply fire hydrant systems, including combined sprinkler and hydrant systems, to comply with the material requirements of AS 2419.1 for above-ground hydrant pipework.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSanitary Plumbing — Upgraded Compliance Standard\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAll sanitary plumbing installations must now fully comply with AS\/NZS 3500.2. The existing Verification Method for sanitary drainage pipe sizing has been improved, and frequency factors and discharge unit values have been updated\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHeated Water System Limitation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA new limitation has been introduced for heated water systems to avoid imposing an additional burden on dwellings that already comply with whole-of-home energy efficiency provisions.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eRainwater Supplementation Now Permitted\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA new exemption allows rainwater storage to be supplemented with drinking water where required.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eLanguage \u0026amp; Editorial Clarity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSeveral clauses in NCC 2025 have been updated editorially to improve consistency in language and structure across the Code volumes. In many instances, these are minor language changes only and do not represent a technical or policy change.\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cb\u003e\u003cspan\u003eWhy Choose NCC 2025?\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eIt Is Now the Law in Most States\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eVolume Three of the NCC (the Plumbing Code) was adopted from 1 May 2026. In Victoria, South Australia, and Western Australia this is already in force — using NCC 2022 for new plumbing work after this date creates real compliance and liability risk.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAvoids Mixing Code Versions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhichever code version a project uses, it must be nominated and applied consistently. A project cannot mix provisions from NCC 2022 and NCC 2025.\u003c\/p\u003e\n\u003ch3 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eClearer Performance Pathways\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eNCC 2025 includes clarified performance requirements and improvements to water services, cross-connection control, and sanitary plumbing and drainage systems.\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eBenefits of NCC 2025\u003c\/span\u003e\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cmeta charset=\"utf-8\"\u003ePublic health protection\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003eGreater flexibility\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003eReduced fragmentation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cmeta charset=\"utf-8\"\u003eSafer fire services\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eEnergy and water efficiency\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eClearer language\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch2 class=\"MsoNormal\"\u003e\n\u003cb\u003e\u003cspan\u003eWho Needs NCC 2025?\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cspan\u003eLicensed plumbers and drainers\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eHydraulic engineers and designers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eBuilding inspectors and certifiers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eArchitects and building designers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eConstruction project managers and developers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eEducators and students\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tool Market","offers":[{"title":"Default Title","offer_id":48903574585573,"sku":"TM-TIV-NCC-V3-25","price":250.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0446\/9932\/0477\/files\/2025_National_Construction_Code_-_NCC_Volume_Three_Building_Code_Of_Australia.webp?v=1779414101","url":"https:\/\/www.toolmarket.com.au\/products\/2025-national-construction-code-ncc-volume-three-plumbing-code-of-australia","provider":"Tool Market","version":"1.0","type":"link"}