Lighting Comfort

11 Credits And 3 Points Available

Our diverse team of Professionals include, Architects, Engineers and ESD Specialists. We have been around long enough to work on all possible project types. See our Past Projects. With 17+ Years of experience in ESD Consulting, you will be well served as our team goes through 100's Section J reports every year. Please reach out, we would love to work with you on your next important project. All our work is completed in Australia on time from our local reliable NSW Sydney office.

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17+ Years Experience In ESD

Our diverse team of Professionals include, Architects, Engineers and ESD Specialists. We have been around long enough to work on all possible project types. See our Past Projects. Deemed to satisfy as our team goes through 100's Section J reports every year.

Credit criteria

To qualify for points under this credit a minimum requirement must first be met. 11.0 Minimum Lighting Comfort- It is a minimum requirement of this credit that lights in the nominated area are flicker-free and accurately address the perception of colour in the space. 11.1 General Illuminance and Glare Reduction- 1 point is available where, in the nominated area: Lighting levels and quality comply with best practice guidelines; and Glare is eliminated. 11.2 Surface Illuminance- 1 point is available where a combination of lighting and surfaces improve uniformity of lighting to give visual interest in the nominated area. 11.3 Localised Lighting ControlI- 1 point is available where; in the nominated area, occupants have the ability to control the lighting in their immediate environment.

 

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Aim of the Credit

By rewarding both energy efficiency and encouraging occupant well-being, the Green Star rating system promotes and rewards a holistic approach to sustainability that results in multiple benefits. Such benefits would include: Reductions to occupant stress, Improvements to air quality through appropriate ventilation, the provision of high levels of thermal, visual and acoustic comfort and also reduced exposure to pollutants.

Nominated area

For this credit, the nominated area is all primary and secondary spaces.Compliance is required to be demonstrated across 95% of the nominated area or 95% of number offittings, in order for this credit to be achieved. Where the functional requirements of the space require that lighting requirements differ from the requirements of this credit (such as a laboratory), or if the space will not be regularly occupied (for example a warehouse floor), these areas may be excluded. The reasons for exclusion must be justified by the project team.

 

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It is a minimum requirement of this credit that lights in the nominated area are flicker-free and accurately address the perception of colour in the space.

11.0.1 Flicker-Free Lighting

Flicker-free lighting refers to luminaires that have either:

  • A minimum Class A1 & A2 ballast for all fluorescent lighting;

  • Electronic ballasts for all High Intensity Discharge (HID) lighting;

  • Electronic drivers that feature 12-bit or greater resolution for all Light-emitting Diode (LED) lighting; or

  • High frequency ballasts for all other lighting types, including incandescent (incl Halogen, dichroic (e.g. low-voltage downlights), and High-Intensity Discharge (e.g. metal halide, low/high pressure sodium).

11.0.2 Colour Quality

To address the perception of colour, light sources must have a minimum Colour Rendering Index (CRI) of 80, unless the project team can demonstrate that, in a particular area, the activity is not impeded by a lower CRI. The project team shall support their justification by ensuring their selection complies with the guidance provided in Table 7.2 in AS 1680.1:2006.

One (1) point is awarded where project teams can demonstrate that for 95% of the nominated area, lighting levels comply with best practice guidelines and glare is eliminated in accordance with the following requirements.

11.1.1 General Illuminance

Best practice lighting levels for each task within each space type is defined as lighting with a maintained illuminance that meets the levels recommended in the relevant Standard. Two options are provided for demonstrating compliance with this requirement, and a combination of methods can be used.

For residential spaces, the point is awarded where in living spaces, kitchen, bathrooms and bedrooms:

  • The lighting design includes or permits general fixed lighting that provides good maintained illuminance values for the entire room; and

  • The installed fittings all have a rated colour variation not exceeding 3 MacAdam Ellipses (decorative fittings being exempt).

Glare from lamps must be limited within the nominated area. Three options are provided for demonstrating compliance with this requirement; a performance method, and two prescriptive methods. A combination of methods can be used to demonstrate compliance.

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One (1) point is awarded where project teams can demonstrate that a combination of lighting and surfaces improve uniformity of lighting to give visual interest in the nominated area.

There are two options provided for demonstrating compliance with this requirement, a prescriptive method and a performance method, with a third prescriptive method also available for residential spaces. A combination of methods is acceptable for demonstrating compliance.

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One (1) point is awarded where project teams can demonstrate that for 95% of the nominated area, occupants have the ability to control the lighting in their immediate environment. This includes turning the lights on and off and adjusting their light levels.

One light can be controlled by one or more individuals, however, the project team must justify why and how, this is conducive to localised control.

It is essential for project teams to identify what the ‘immediate environment’ is. For example, in an open-plan office the immediate environment is the light shone on the workstation; in a residential unit it is the light hitting the work surface in the kitchen where food is prepared.

In residential spaces, this requirement can be achieved through the provision of sufficient power outlets for future task lights / lamps around the predicted furniture layouts used in the space. In addition, appropriate task lighting must be provided for kitchens, bathrooms, and service areas.

In the case of an integrated fitout incorporating an activity-based working environment, the occupant adjustment of light levels criterion may be achieved where it is demonstrated that a wide variety of working environments provide a variety of lighting conditions, including some with the ability to adjust lighting levels, which are suitable for the activity undertaken in the space. A system is still required throughout the nominated area to turn lights on/off.

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