Smart Bi-Level Stairwell Fixtures Stairwells must be lit 24/7 for safety and egress Stairwells must be lit 24/7 for safety and egress Stairwell occupancy is intermittent and cyclical – may be empty 95% of the day Stairwell occupancy is intermittent and cyclical – may be empty 95% of the day Occu-Smart fixtures installed in 6 towers of Sierra Madre Hall, and Faculty Offices East Occu-Smart fixtures installed in 6 towers of Sierra Madre Hall, and Faculty Offices East System integrates ultrasonic motion sensors and dimmable ballasts into stairwell fixtures System integrates ultrasonic motion sensors and dimmable ballasts into stairwell fixtures Dims to 20% output when not occupied, ramps up to full output if motion is detected – enhances security Dims to 20% output when not occupied, ramps up to full output if motion is detected – enhances security Reduced energy consumption by 90% Reduced energy consumption by 90% Lighting Retrofits