59 -- PROVIDE LANTERN FOR THE REBUILD OF SOUTHWEST PASS NAVIGATIONAL LIGHT

Provide one Light Emitting Diode (LED)lantern. The requirements for this signal are 3400 candela (minimum) effective intensity, white light, flashing at rhythm on for 1-second and off for 10-seconds, minimum vertical divergence 2.0 degrees total at 50% peak intensity, maximum power consumption 3 amps when flashing. The lantern shall be designed to withstand outdoor exposure in the marine environment. Input power 12VDC. The lantern shall turn on when the outdoor illumination level falls below 250 +/- 50 LUX and off when the outdoor illumination level exceeds 320 +/- 50 LUX. Mounting provisions are 3-holes sized for a 1/2 inch diameter stud equally spaced on a 200mm bolt circle. RESPONSE IS REQUIRED to determine availability of American made lantern.