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Marker balls are required to be provided in aviation zones in any span where the low point of the shield wire (OPGW/ OHGW) catenary is above 90 m AGL (Above Ground Level), which is equivalent to the low point of bottom conductor catenary at approximately 63 m AGL. Marker balls shall be placed on the top OHGW and OPGW, for aircraft warning.

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  1) Marker balls are required to be provided in aviation zones in any span where the low point of the shield wire (OPGW/ OHGW) catenary is above 90 m AGL (Above Ground Level), which is equivalent to the low point of bottom conductor catenary at approximately 63 m AGL. Marker balls shall be placed on the top OHGW and OPGW, for aircraft warning. 2) Marker Balls shall be evenly spaced along the OHGW/ OPGW, at a maximum of 60m intervals. 3) Unlighted Marker Balls shall alternate on OHGW and OPGW with aviation colors: Orange, White, and Red, with aviation Orange markers always positioned at each end. 4) If less than four (4) marker balls (lighted or unlighted) are on the OHGW/ OPGW, all marker balls shall be aviation Orange. 5) Crossings with multiple transmission lines require additional marker balls when the outside lines on the adjacent structure are more than 60 m from the center of the primary structure. 6) The Marker balls shall be EHV (Extra High Voltage) qualified, with a speci...
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Tower beacon lights shall be fitted to towers in approaches to airports or in the normal flight paths of low flying aircraft or where helicopter traffic is present. The tower beacon lights shall conform to the requirements of the civil, military aviation and civil defense authorities and to the recommendations of the FAA and ICAO. Three layer lights would be placed on the top, at the lowest level of the conductor and in the middle.

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  Tower beacon lights shall be fitted to towers in approaches to airports or in the normal flight paths of low flying aircraft or where helicopter traffic is present. The tower beacon lights shall conform to the requirements of the civil, military aviation and civil defense authorities and to the recommendations of the FAA and ICAO. Three layer lights would be placed on the top, at the lowest level of the conductor and in the middle. All components in the light system are designed for ease in maintenance and to provide the required performance as specified by ICAO for a period of at least three years without any maintenance. The power input for the light system are supplied through solar power with a backup battery for day/night time operation. The system are able to deliver the light output during day time, twilight and night time operations automatically. For more details: Website: http://www.cdt-en.com/ Email: sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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ICAO compliant MIOL type B solar LED obstruction lighting system are are used at different types of obstacles such as airports, wind turbines, buildings, towers, the compact, integrated design is stand-alone, maintenance-free and includes a high-efficiency LED light source, solar panels and battery. The light is fully autonomous: it can operate in remote locations without recharging. Also the solar obstacle light is equipped with LED optics, compatible with Night Vision Goggles (NVG). The light can operate in visible mode, infrared (NVG) mode, or in both simultaneously.

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  ICAO compliant MIOL type B solar LED obstruction lighting system are are used at different types of obstacles such as airports, wind turbines, buildings, towers, the compact, integrated design is stand-alone, maintenance-free and includes a high-efficiency LED light source, solar panels and battery. The light is fully autonomous: it can operate in remote locations without recharging. Also the solar obstacle light is equipped with LED optics, compatible with Night Vision Goggles (NVG). The light can operate in visible mode, infrared (NVG) mode, or in both simultaneously. For more details: Website: http://www.cdt-en.com/ Email: sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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ICAO-compliant MI White/White LED Beacon is designed for the lighting of transmission towers, smoke stacks wind generators and other obstructions to aerial navigation, power supply with solar panels/battery, the initial capacity of the battery with at least 7 days of autonomy which optimize the lifetime of the battery and minimize the maintenance cost to none, the exact size of our solar panel and battery capacity depends on latitude/longitude.

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  ICAO-compliant MI White/White LED Beacon is designed for the lighting of transmission towers, smoke stacks wind generators and other obstructions to aerial navigation, power supply with solar panels/battery, the initial capacity of the battery with at least 7 days of autonomy which optimize the lifetime of the battery and minimize the maintenance cost to none, the exact size of our solar panel and battery capacity depends on latitude/longitude. For more details: Website: http://www.cdt-en.com/ Email: sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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Air Traffic Safety - Aviation Obstruction Lighting System on Wind Turbine, to identify the perimeter of the wind farm with day/night marking, available with uninterruptible power supply cabinet guarantying a power supply during a minimum of 12 hours in case of power failure, adapted and customized fixation for every type of mounting for wind turbines, light synchronization by GPS, default notification via dry contact.

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  Air Traffic Safety - Aviation Obstruction Lighting System on Wind Turbine, to identify the perimeter of the wind farm with day/night marking, available with uninterruptible power supply cabinet guarantying a power supply during a minimum of 12 hours in case of power failure, adapted and customized fixation for every type of mounting for wind turbines, light synchronization by GPS, default notification via dry contact. For more details: Website:http://www.cdt-en.com/ Email:sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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Manufacturer & Supply Aircraft Warning Spheres for 220kV Cau Bong Binh Tan Transmission Line Project, provide daytime visual warning & nighttime visual warning with reflective tape. It is recommended to mark every 30 meters at the maximum.

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  Manufacturer & Supply Aircraft Warning Spheres for 220kV Cau Bong Binh Tan Transmission Line Project, provide daytime visual warning & nighttime visual warning with reflective tape. It is recommended to mark every 30 meters at the maximum. For more details: Website: http://www.cdt-en.com/ Email: sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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Aviation Obstruction Light Solar Power System on Electric Towers, designed as a compact, all-in-one solar system, completely self-contained for easy installation. The solar panel and batteries provide all the electricity the units need, so there is no need to trench, cable or build costly generating capability on site. Current LED technologies have a life expectancy of 100,000 hours, this means reduced maintenance time and less time exposing employees to the hazards of climbing towers.

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  Aviation Obstruction Light Solar Power System on Electric Towers, designed as a compact, all-in-one solar system, completely self-contained for easy installation. The solar panel and batteries provide all the electricity the units need, so there is no need to trench, cable or build costly generating capability on site. Current LED technologies have a life expectancy of 100,000 hours, this means reduced maintenance time and less time exposing employees to the hazards of climbing towers. For more details: Website: http://www.cdt-en.com/ Email: sophia@chendongtech.com Phone/WhatsApp:+86-13929493960
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