国外办公照明设计标准与设计.pptx

WATCHING ABROAD WHICH ARE THE OFFICE LIGHTING STANDARTS IN ACCORDANCE TO BETTER WORK SPACES IN COMBINATION WITH ENVIRONMENTAL FRIENDLY APPLICATIONS ;;;;;;;;;;REDUCTION FACTOR It does determinate the state of aging and pollution ( dust ecc. ) of the lighting system. This decline is called the reduction factor . For new one for example the factor is 1.25. T This means that a new lighting system have to be by fact 25% brighter than the actual planning goal. Through the continuous decrease in light intensity until the next maintenance (at the latest at 80% of lighting power), achieved at least a medium constructed lighting level of 100%. Therefore also , a maintenance of lighting systems are indispensable. Depending on the kind of working place there are prescribed cleaning intervals of 1 to 5 years . ;GLARE FACTOR AND VISUAL COMFORT  The evaluation of direct and reflection glare is prerequisite for correct and rapid vision. Disturbing reflexes - for example on glossy paper, monitors, table and calculator displays, etc. are by lamps and their right to work arrangement avoidable. The widespread parabolic downlight shining directly with fluorescent tubes on the table axis is THE MOST PROBLEMATIC of all solutions.;; The employer is responsible for the in screen work places safety and Health criteria, particularly concerning a possible threat of Eyesight and physical problems and psychological burdens ;;;;;;;;;;;;;;;;;;;THANK YOU ! 謝謝大家!