This Part contains Deemed-to-Satisfy Provisions for compliance with Part J1. It sets out provisions for the design and configuration of artificial lighting and power, boiling and chilled water units, lifts and escalators and moving walkways.
Notes
From 1 May 2023 to 30 September 2023 Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One. From 1 October 2023 Section J of NCC 2022 Volume One applies.
Notes: New South Wales Section J Energy Efficiency
For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 3.0 or earlier, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Single Dwelling or Multi Dwelling Certificate issued under Version 4.0 or later, Section J of NCC 2022 Volume One applies.
For a Class 2 building or a Class 4 part of a building, where a relevant development consent or an application for a complying development certificate requires compliance with a BASIX Alterations and Additions Certificate, NSW Section J of NCC 2019 Volume One Amendment 1 applies.
For a Class 3 building or Class 5 to 9 building:
From 1 May 2023 to 30 September 2023 NSW Section J of NCC 2019 Volume One Amendment 1 may apply instead of Section J of NCC 2022 Volume One.
From 1 October 2023 Section J of NCC 2022 Volume One applies.
Notes: Tasmania Section J Energy Efficiency
In Tasmania, for a Class 2 building and Class 4 part of a building, Section J is replaced with Section J of BCA 2019 Amendment 1.
when designing the lamp power density or illumination power density, the power of the proposed installation must be used rather than nominal allowances for exposed batten holders or luminaires; and
halogen lamps must be separately switched from fluorescent lamps.
NSW J7D3 Artificial lighting2019: J6.2
Delete subclause J7D3(1) and insert J7D3(1) as follows:
(1) This subclause does not apply in NSW.
(2) In a building other than a sole-occupancy unit of a Class 2 building or a Class 4 part of a building—
for artificial lighting, the aggregate design illumination power load must not exceed the sum of the allowances obtained by multiplying the area of each space by the maximum illumination power density in Table J7D3a; and
the aggregate design illumination power load in (a) is the sum of the design illumination power loads in each of the spaces served; and
where there are multiple lighting systems serving the same space, the design illumination power load for (b) is—
the total illumination power load of all systems; or
where a control system permits only one system to operate at a time based on the highest illumination power load; or determined by the formula—
In the formula at (c)(ii)—
= the highest illumination power load; and
= the time for which the maximum illumination power load will occur, expressed as a percentage; and
= the predominant illumination power load.
NSW J7D3 Artificial lighting2019: J6.2
Delete subclause J7D3(2) and insert J7D3(2) as follows:
(2) In a Class 3 or Class 5 to 9 building—
for artificial lighting, the aggregate design illumination power load must not exceed the sum of the allowances obtained by multiplying the area of each space by the maximum illumination power density in Table J7D3a; and
the aggregate design illumination power load in (a) is the sum of the design illumination power loads in each of the spaces served; and
where there are multiple lighting systems serving the same space, the design illumination power load for (b) is—
the total illumination power load of all systems; or
where a control system permits only one system to operate at a time based on the highest illumination power load; or determined by the formula—
In the formula at (c)(ii)—
= the highest illumination power load; and
= the time for which the maximum illumination power load will occur, expressed as a percentage; and
= the predominant illumination power load.
(3) The requirements of (1) and (2) do not apply to the following:
Emergency lighting provided in accordance with Part E4.
Signage, display lighting within cabinets and display cases that are fixed in place.
Lighting for accommodation within the residential part of a detention centre.
A heater where the heater also emits light, such as in bathrooms.
Lighting of a specialist process nature such as in a surgical operating theatre, fume cupboard or clean workstation.
Lighting of performances such as theatrical or sporting.
Lighting for the permanent display and preservation of works of art or objects in a museum or gallery other than for retail sale, purchase or auction.
Lighting installed solely to provide photosynthetically active radiation for indoor plant growth on green walls and the like.
for an illuminance not more than 80 lx, 2 W/m2; and
for an illuminance more than 80 lx and not more than 160 lx, 2.5 W/m2; and
for an illuminance more than 160 lx and not more than 240 lx, 3 W/m2; and
for an illuminance more than 240 lx and not more than 320 lx, 4.5 W/m2; and
for an illuminance more than 320 lx and not more than 400 lx, 6 W/m2; and
for an illuminance more than 400 lx and not more than 600 lx, 10 W/m2; and
for an illuminance more than 600 lx and not more than 800 lx, 11.5 W/m2.
For enclosed spaces with a Room Aspect Ratio of less than 1.5, the maximum illumination power density may be increased by dividing it by an adjustment factor for room aspect which is 0.5 + (Room Aspect Ratio/3).
The Room Aspect Ratio of the enclosed space is determined by the formula: A/(H x C), where—
A is the area of the enclosed space; and
H is the height of the space measured from the floor to the highest part of the ceiling; and
C is the perimeter of the enclosed space at floor level.
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windowsNotes 3 and 5
In a Class 5, 6, 7, 8 or 9b building or a Class 9a building, other than a ward area, where the lights are adjacent windows, other than roof lights, for a distance from the window equal to the depth of the floor to window head height
0.5 Note 3
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windowsNotes 3 and 5
Serving a Class 3 or 9c building, or a Class 9a ward area, where the lights are adjacent windows, other than roof lights, for a distance from the window equal to the depth of the floor to window head height
0.75 Note 3
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windowsNotes 3 and 5
In a Class 5, 6, 7, 8 or 9b building or a Class 9a building, other than a ward area, where the lights are adjacent roof lights
0.6 Note 3
Daylight sensor and dynamic lighting control device - dimmed or stepped switching of lights adjacent windowsNotes 3 and 5
In a Class 3 or 9c building, or a Class 9a ward area, where the lights are adjacent roof lights
0.8 Note 3
Table Notes
A maximum of two illumination power density adjustment factors for a control device can be applied to an area.
Where more than one illumination power density adjustment factor (other than for room aspect) applies to an area, they are to be combined using the following formula: A x (B + [(1 - B)/2]), where—
(1) All artificial lighting of a room or space must be individually operated by–
a switch; or
other control device; or
a combination of (a) and (b).
(2) An occupant activated device, such as a room security device, a motion detector in accordance with Specification 40, or the like, must be provided in the sole-occupancy unit of a Class 3 building, other than where providing accommodation for people with a disability or the aged, to cut power to the artificial lighting, air-conditioner, local exhaust fans and bathroom heater when the sole-occupancy unit is unoccupied.
(3) An artificial lighting switch or other control device in (1) must—
if an artificial lighting switch, be located in a visible and easily accessed position—
in the room or space being switched; or
in an adjacent room or space from where 90% of the lighting being switched is visible; and
for other than a single functional space such as an auditorium, theatre, swimming pool, sporting stadium or warehouse—
if in a Class 5 building or a Class 8 laboratory, not operate lighting for an area of more than 250 m2; or
if in a Class 3, 6, 7, 8 (other than a laboratory) or 9 building, not operate lighting for an area of more than—
250 m2 for a space of not more than 2000 m2; or
1000 m2 for a space of more than 2000 m2.
(4) 95% of the light fittings in a building or storey of a building, other than a Class 2 or 3 building or a Class 4 part of a building, of more than 250 m2 must be controlled by—
(5) In a Class 5, 6 or 8 building of more than 250 m2, artificial lighting in a natural lighting zone adjacent to windows must be separately controlled from artificial lighting not in a natural lighting zone in the same storey except where—
the room containing the natural lighting zone is less than 20 m2; or
the room’s natural lighting zone contains less than 4 luminaires; or
70% or more of the luminaires in the room are in the natural lighting zone.
must be controlled by a daylight sensor and dynamic lighting control device in accordance with Specification 40.
(8) Artificial lighting for daytime travel in the first 19 m of travel in a carpark entry zone must be controlled by a daylight sensor in accordance with Specification 40.
(9) The requirements of (1), (2), (3), (4), (5), (6), (7) and (8) do not apply to the following:
Where artificial lighting is needed for 24 hour occupancy such as for a manufacturing process, parts of a hospital, an airport control tower or within a detention centre.
(10) The requirements of (4) do not apply to the following:
Artificial lighting in a space where the sudden loss of artificial lighting would cause an unsafe situation such as—
in a patient care area in a Class 9a building or in a Class 9c building; or
a plant room or lift motor room; or
a workshop where power tools are used.
A heater where the heater also emits light, such as in bathrooms.
(1) Interior decorative and display lighting, such as for a foyer mural or art display, must be controlled—
separately from other artificial lighting; and
by a manual switch for each area other than when the operating times of the displays are the same in a number of areas such as in a museum, art gallery or the like, in which case they may be combined; and
by a time switch in accordance with Specification 40 where the display lighting exceeds 1 kW.
(2) Window display lighting must be controlled separately from other display lighting.
(1) Exterior artificial lighting attached to or directed at the facade of a building, must—
be controlled by—
a daylight sensor; or
a time switch that is capable of switching on and off electric power to the system at variable pre-programmed times and on variable pre-programmed days; and
when the total lighting load exceeds 100 W—
use LED luminaires for 90% of the total lighting load; or
be controlled by a motion detector in accordance with Specification 40; or
when used for decorative purposes, such as façade lighting or signage lighting, have a separate time switch in accordance with Specification 40.
(2) The requirements of (1)(b) do not apply to the following: