Obstruction lighting for stack​​

The number of lights per level depends on diameter of the stack: 3 lights are required if the diameter is less than 6 meters, 4 lights if the diameter is between 6 and 30 meters, 6 lights if the diameter is between 30 and 60 meters and 8 lights if it is above 60 meters

3 or more dual color medium intensity close to the top of the stack

Dual color medium intensity in accordance with  ICAO medium intensity type A & B (red at night, white during the day)

3 low intensity type B  at intermediate level (red at night, off the day)

Control cabinet and photocell at bottom

Page 2 Stack and chimeny.jpg
yellow.jpg

M-F-360-WR-230V-DN-20000cd-DUAL

Stack with red and white stripes. Lights operating only at night

3 or more red medium intensity close to the top of the stack (only for stack 45m to 105m high)

Red medium intensity in accordance ICAO medium intensity type B (red at night, off during the day)

3 or more  ICAO low intensity type B at intermediate level (or if the stack is less than 45 meters high 3 or more low intensity type A  below the top) red at night, off the day

Obstruction light for stack.jpg
Reliablity In Obstruction Light