Biratnagar Tests Mist-Spray System to Beat Heatwave, Plans Expansion if Successful

 

Kathmandu.  Biratnagar Metropolitan City has begun testing a mist-spray system designed to help people cope with extreme heat and hot winds, introducing the technology for the first time in the city.

According to Chief Administrative Officer Bijay Kumar Sharma, the pilot system has been installed in the Kali Temple area, one of the city's busiest locations. Testing began on Tuesday, with the site selected due to its high pedestrian traffic and the presence of nearby schools and hospitals.

The metropolitan hopes the system will provide immediate relief to pedestrians as temperatures continue to rise across the Terai, where prolonged heatwaves have increased the risk of heat-related illnesses such as heatstroke and fainting.

How the system works

The mist-spray system consists of water pipelines fitted with specialized nozzles that release a fine mist into the air. The system is designed to activate automatically when the ambient temperature exceeds 38 degrees Celsius, helping lower the surrounding temperature through evaporative cooling.

Sharma said a dedicated committee continuously monitors the temperature and activates the system once it crosses the predetermined threshold.

"Temperatures above 38 degrees Celsius are considered harsh for the human body. As soon as the temperature exceeds the set limit, the machines are switched on, releasing a fine mist over the area," he said.

According to the metropolitan, this is the first time such technology has been used in Biratnagar. The current trial is being operated using the water supply system of the Kali Temple.

The metropolitan said the project is currently in its pilot phase. If the ongoing tests prove successful, the mist-spray system will be brought into regular operation and gradually expanded to other major intersections and high-traffic areas across the city.

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