NCC 2019 Volume One Amendment 1
Section F Health and amenity

Section F Health and amenity

Part F1 Damp and Weatherproofing

Delete FP1.5 and add SA FP1.5 as follows:

SA FP1.5 Rising damp

(a)

Moisture from the ground must be prevented from causing—

(i)

undue dampness or deterioration of building elements; and

(ii)

unhealthy or dangerous conditions, or loss of amenity for occupants.

(b)

Barriers installed to prevent transfer of moisture from the ground must have—

(i)

high resistance to moisture penetration; and

(ii)

high resistance to damage during construction; and

(iii)

high resistance to degradation by dissolved salts.

Delete FP1.6 add SA FP1.6 as follows:

SA FP1.6 Wet area overflows

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

After FP1.7 add SA FP1.8 as follows:

SA FP1.8 Prevention of surface water accumulation

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.

Delete F1.0(b) and add SA F1.0(b) as follows:

SA F1.0 Deemed-to-Satisfy Provisions

Delete F1.7(a) and insert SA F1.7(a) as follows:

SA F1.7 Waterproofing of wet areas in buildings

(a)

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

(i)

be water resistant or waterproof in accordance with Table F1.7, except that—

(A)

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

(B)

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

(C)

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

(ii)

comply with AS 3740; and

Delete F1.9(b) and insert SA F1.9(b) as follows:

SA F1.9 Damp-proofing

(b)

Damp-proof courses must exhibit long term resistance to degradation by dissolved salts in groundwater and consist of—

(i)

embossed black polyethylene film meeting the requirements of clause 7.6 of AS/NZS 2904

(ii)

polyethylene coated aluminium meeting the requirements of clause 7.4 of AS/NZS 2904; or

(iii)

bitumen impregnated materials of not less than 2.5 mm thickness, meeting the requirements of clause 7.5 of AS/NZS 2904, when used in walls not higher than 7.8 m above the level of the damp-proof course.

Delete F1.10 and insert SA F1.10 as follows:

SA F1.10 Damp-proofing of floors on the ground

(a)

If a floor of a room is laid on the ground or on fill, a damp-proofing membrane complying with Section 5.3.3 of AS 2870 must be installed.

(b)

A damp-proofing membrane need not be provided if—

(i)

weatherproofing is not required; or

(ii)

the floor is the base of a stair, lift or similar shaft which is adequately drained by gravitation or mechanical means.

Delete F1.11 and insert SA F1.11 as follows:

SA F1.11 Provision of floor wastes

(a)

A wet area provided with a vessel in accordance with F2.1, F2.3 and F2.4 must have the floor graded to a floor waste to permit drainage of water.

(b)

With the exception of a bathroom or laundry located at any level above a sole-occupancy unit or public space in a Class2 or 3 building or Class 4 part of a building, a floor need not be graded to a floor waste in accordance with (a) if—

(i)

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); or

(ii)

the vessel is a clinical hand washing basin in a Class 9c building; or

(iii)

the floor waste is provided solely for the connection of plumbing fixtures.

(c)

The fall of the floor surface to a floor waste required by (a) or (b) must be—

(i)

between 1:60 and 1:80 in the shower area; and

(ii)

between 1:80 and 1:100 in other areas.

Part F2 Sanitary and other facilities

Delete F2.4(a) to F2.4(b) and insert SA F2.4(a) to SA F2.4(b) as follows:

SA F2.4 Accessible sanitary facilities

(a)

accessible unisex sanitary compartments must be provided in accessible parts of the building in accordance with Table F2.4(a) and SA Table F2.4(a)(i); and

SA Table F2.4(a)(i) Additional accessible unisex sanitary compartments

Class of building Minimum facility for use by people with a disability

Class 2

In every sole-occupancy unit required by SA Table D3.1a to be accessible

Not less than 1
(b)

accessible unisex showers must be provided in accordance with Table F2.4(b) and SA Table F2.4(b)(i); and

SA Table F2.4(b)(i) Additional accessible unisex showers

Class of building Minimum facility for use by people with a disability

Class 2

In every sole-occupancy unit required by SA Table D3.1a to be accessible

Not less than 1

Part F4 Light and ventilation

F4.5(b) is varied and SA F4.5(c) is added as follows—

SA F4.5 Ventilation of rooms

(b)

a mechanical ventilation or air-conditioning system complying with AS 1668.2 and AS/NZS 3666.1; or

(c)

in a storage shed or bulk grain storage facility, a ventilation system that provides one air change every six hours using openings that have a total area of—

(i)

35 m2; or

(ii)

one percent of the total floor area,

whichever is less.