2. Steps in the process

2.1 Definition of lighting requirements

This stage is essential in our approach, as it sets the ultimate limits for energy savings. What's more, defining the need is already mastering it.

It can be defined in three stages.

Defining the functional nature of installations

This involves specifying the priority functions of the lighting (safety (see and be seen), aesthetic, attractive, festive, etc.), the nature of the environment to be illuminated (road axis (and of what type), pedestrian walkway, square, monument, etc.), the spatial zone to be illuminated and the priority lighting schedule.

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Steps in the process

(1) - Association française de l'éclairage (AFE) - Recommandations relatives à l'éclairage des voies publiques - (juin 2002).
(2) - Association française de l'éclairage (AFE) - Les nuisances dues à la lumière - (Guide...

Définition des performances photométriques minimales à maintenir, les classes d'éclairage des besoins visuels des usagers de la route, le calcul des performances, les méthodes de mesure des performances photométriques. - NF EN 13201 - février 2005 (adoptée par le CEN le 1er septembre...