NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
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

F2

Part F2 Wet areas and overflow protection

Part F2 Wet areas and overflow protection

SA F2P1 Wet area overflows2019: SA FP1.6

Delete clause F2P1 and insert SA F2P1 as follows:

Overflow from a bathroom, laundry facility or the like must be prevented from penetrating to adjoining rooms or spaces.

SA F2P3 Prevention of surface water accumulation2019: SA FP1.8

Insert SA clause F2P3 in clause F2P3 as follows:

In laundries, bathrooms or rooms containing shower facilities the floors must be installed in a manner that will prevent accumulation of surface water which could create unhealthy or hazardous conditions.

SA F2D2 Wet area construction2019: F1.7(a) and (b)

Delete subclause F2D2(1) and insert SA F2D2(1) as follows:

(1) In a Class 2 and 3 building and a Class 4 part of a building, building elements in wet areas must—

  1. be water resistant or waterproof in accordance with Specification 26, except that—
    1. in any room containing a washing machine, the wall area from finished floor to a minimum of 75 mm above and 75 mm each side of the washing machine tap outlets must be water resistant; and
    2. where a vessel is inset into a bench top in a kitchen, bar area, kitchenette or domestic food and beverage preparation area, the perimeter edges of the vessel must be water resistant for the extent of the vessel; and
    3. penetrations in horizontal surfaces for tap and spout outlets in kitchens, bar areas, kitchenettes or domestic food and beverage preparation areas must be waterproof; and
  2. comply with AS 3740.

SA F2D4 Provision of floor wastes2019: SA F1.11

Delete clause F2D4 and insert SA F2D4 as follows:

(1) A wet area provided with a vessel in accordance with F4D2, F4D4 and F4D5 must have the floor graded to a floor waste to permit drainage of water.

(2) With the exception of a bathroom or laundry located at any level above a sole-occupancy unit or public space in a Class 2 or 3 building or Class 4 part of a building, a floor need not be graded to a floor waste in accordance with (1) if—

  1. all vessels in the wet area are provided with in-built overflow protection or have permanent open trapped connection to the plumbing and drainage system (such as a WC pan); or
  2. the vessel is a clinical hand washing basin in a Class 9c building; or
  3. the floor waste is provided solely for the connection of plumbing fixtures and all vessel in the wet area are provided with in-built overflow protection or have permanent open trapped connection to the plumbing and drainage system (such as a WC pan).

(3) The fall of the floor surface to a floor waste required by (1) or (2) must be in accordance with F2D4(2).