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Floating Manhole Cover / Emergency relief

Floating Manhole Cover
Floating Manhole Cover

When a manhole without cover is full of water, it is difficult to locate the manhole. So, for pedestrians and cars,fall accidents in shaft are easy to happen.In the event of flood, some people will be washed into it. Now, they are in panic and there is no device to seek help.Floating manhole covers are placed in a flood-hit areas,so the floating device will float above the water when the flood occurs. Therefore, when people suffering from the flood come across the cover, they can seize it as a buoy to save their life.



Hunan Changsha, China

Zhongyang zhang,
Changsha University Of Science & Technology

Qi xia,
Changsha University Of Science & Technology

Hanyan xiang,
Zhejiang University Of Finance & Economics