NCC 2022 Volume Two - Building Code of Australia Class 1 and 10 buildings
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H9
WA Part H9 Water useWA Part H9 Water use
Introduction to this Part
This Part contains requirements for reducing water use.
Objectives
NCC Blurbs
The Objective is to reduce water demand by using water efficiently and minimising water wastage.
NCC Title
Efficient use of water
NCC State
WA
NCC SPTC Current
Efficient use of water
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
Functional Statements
NCC Blurbs
To reduce potable water demand, a building is to be capable of using potable water efficiently and preventing excessive loss of potable water.
NCC Title
Potable water demand
NCC State
WA
NCC SPTC Current
Potable water demand
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
Performance Requirements
NCC Blurbs
A building must have features that, to the degree necessary, facilitate the efficient use of potable water appropriate to—
- the geographic location of the building; and
- the available potable water supply of the building; and
- the function and use of the building.
Applications
WA H9P1 only applies to Class 1 buildings, associated Class 10a buildings and swimming pools associated with a Class 1 building.
NCC Title
Water use efficiency
NCC State
WA
NCC SPTC Current
Water use efficiency
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
NCC Blurbs
A building, including any water holding structure, must have features that, to the degree necessary, prevent excessive loss of potable water appropriate to—
- the geographic location of the building; and
- the available potable water supply for the building; and
- the function and use of the building; and
- the effects of permanent features such as topography, structures and buildings.
Applications
WA H9P2 only applies to Class 1 buildings, associated Class 10a buildings and swimming pools associated with a Class 1 building.
NCC Title
Water loss prevention
NCC State
WA
NCC SPTC Current
Water loss prevention
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
NCC Blurbs
A building must have features that, to the degree necessary, facilitate the efficient use of heated water appropriate to—
- the geographic location of the building; and
- the available heated water supply for the building; and
- the function and use of the building.
Applications
WA H9P3 only applies to Class 1 buildings, associated Class 10a buildings and swimming pools associated with a Class 1 building.
NCC Title
Heated water use efficiency
NCC State
WA
NCC SPTC Current
Heated water use efficiency
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
Deemed-to-Satisfy Provisions
NCC Blurbs
NCC Title
Deemed-to-Satisfy Provisions
NCC State
WA
NCC SPTC Current
Deemed-to-Satisfy Provisions
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
NCC Blurbs
NCC Title
Water use efficiency
NCC State
WA
NCC SPTC Current
Water use efficiency
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
NCC Blurbs
An outdoor private swimming pool or spa associated with a Class 1 building must be supplied with a cover, blanket or the like that—
- is deigned to reduce water evaporation; and
- is accredited under the Smart Approved Watermark Scheme governed by the Australian Water Association, the Irrigation Association of Australia, the Nursery and Garden Industry Australia and the Water Services Association of Australia.
NCC Title
Swimming pool covers and blankets
NCC State
WA
NCC SPTC Current
Swimming pool covers and blankets
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c
NCC Blurbs
NCC Title
Heated water use efficiency
NCC State
WA
NCC SPTC Current
Heated water use efficiency
Building Classes
2,3,4,5,6,7a,7b,8,9a,9b,9c