Solution: Lighting Engineering
Solution: Lighting Engineering
Dipl.-Ing. Thomas Fleischanderl
Lighting Engineering: dispersion calculations, emission and immission forecasts
Lighting Engineering: dispersion calculations, emission and immission forecasts
Light immission is the effect of natural and artificial light sources (emission sources) on the observer. Light from parking lot and street lighting, the lighting of company premises, sports field lighting, the illumination of buildings and objects or even self-luminous objects such as neon signs can cause disturbance and nuisance to neighbors, and incorrectly aligned luminaires can also lead to “light pollution”.
Tanning and shading analyses
On request, we can carry out a sunshine hours calculation for your property, terrace or roof, providingan overview of the theoretically possible hours of sunshine (e.g. without cloud cover, fog, etc.) at the selected location in the current calendar year. In order to derive the locally expected sunshine duration, the calculation takes into account the shading caused by e.g. buildings, vegetation and horizons determined during the actual on-site survey.
Shadow impact analysis
In the context of EIA assessments and general building permit procedures, the project-related effects on the neighborhood must be examined for future construction projects or for extensions and changes to existing buildings. One of the main effects of buildings is shadow impact, which can be estimated early on in the planning phase with the help of a 3-dimensional computer model and a sun position calculation (simulation of the effects on the existing buildings/environment for individual time steps).
Limit values, standards and guidelines for lighting engineering
In Europe, there are already a number of national standards concerning light immissions that regulate the permissible light immissions for neighbors and the environment. In Austria, the following standards and guidelines, among others, deal primarily with the design and requirements of lighting systems:
- ÖNORM EN 12464-1, Lighting of indoor workplaces
- ÖNORM EN 12464-2, Lighting of outdoor workplaces
- Federal Law Gazette No. 2010-221, Ordinance on Optical Radiation – VOPST
- ÖNORM EN 12665, Light and lighting
- ÖNORM CEN/TR 13201-1, Street lighting – Part 1
- ÖNORM EN 13201-2, Street lighting – Part 2 to Part 4
- ÖNORM O 1051, Street lighting – Lighting of conflict zones
- ÖNORM O 1052, Light immissions – Measurement and assessment
- ÖNORM O 1055, Street lighting – Selection of lighting classes
- RVS 05.06.11, Visual disturbances – non-traffic-related visual information carriers
- RVS 05.06.12, Glare and noise protection – non-traffic visual information carriers
- ÖNORM EN 12193, Light and lighting – Sports facility lighting
ÖNORM O 1052:2022 contains the most important regulations regarding neighborhood protection and environmental protection, which for Austria deals with the immission limit values of artificial light sources, illuminated surfaces, illumination and describes specifications for environmentally friendly lighting.
Our service portfolio
- Dispersion calculations, emission and immission forecasts
- Projects for official construction and trade law procedures
- Investigation of construction and operational phases within the scope of e.g. EIA/UVP investigations
- Lighting studies and renovation concepts
- Glare assessment, sunlight and shading analyses
- On-site assessment and analysis of possible sunshine duration and shading positions
- Standard-compliant design of lighting systems, e.g. for commercial enterprises, traffic areas, etc.
- Advice on neighborhood protection issues
- Consulting, support in problem-solving and decision-making
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