Page 1971 - Week 07 - Tuesday, 27 June 2023

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(i) start with natural darkness. Only add light for specific and defined purposes;

(ii) use adaptive light controls. Manage light timing and intensity. Ensure light levels are aligned to the human occupancy of the space;

(iii) use the lowest intensity lighting appropriate for the task. Consider the reflectance of all infrastructure surfaces and reduce illumination accordingly for higher reflective surfaces. Consider the likely night-time activity of the space, and how this may change across an evening;

(iv) light only the object or area intended. Lights, and the surfaces they illuminate, should be arranged to minimise stray light heading to the sky, and shielded to avoid light spill. Reduce or eliminate any direct views of light sources;

(v) use reduced short-wavelength light sources with reduced or filtered blue, violet and ultra-violet wavelengths; and

(vi) use a suitably qualified lighting professional. Practitioners of exterior lighting should have attained recognition through a standardised assessment process from a professional organisation;

(e) safety and perceptions of safety, especially for women and vulnerable Canberrans, are improved in the presence of best practice lighting design which reduces glare and enhances the visibility of unlit areas;

(f) best practice lighting design enables social and community activity in the night-time economy, enhanced visitor appeal, as well as attracting astro-tourism to Canberra;

(g) best practice lighting design can also reduce:

(i) light pollution or obtrusive light spilling into our homes;

(ii) the impacts of artificial light on wildlife in our city, for example on certain species of birds, insects and bats, which evolved with the absence of light at night; and

(iii) energy use and associated costs;

(h) public space lighting infrastructure in the ACT predominately supports lighting our roads for vehicles, road related areas and urban centres, while parks and other recreational spaces generally have fewer public lights;

(i) the ACT Government has announced significant investments in public realm lighting, including new lighting at Telopea Park, Garema Place, Lake Ginninderra and Yerrabi Pond, and $1 million for further infill lighting and gaps in the community paths network;

(j) Australian Energy Market Commission (AEMC) rules for the charge for the use of electricity by streetlights removes the incentive to utilise smart controls in our streetlight network; and

(k) our night skies, including those of Namadgi National Park and Mt Stromlo, are precious natural assets that should be protected from increasing light pollution from the lights of Canberra; and


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