mikhail fedotov, rasol fitkulin, danila klischevsky and anastasia roif, vesti.a pontoon bridge assembled from polymer blocks; in order to check the reliability of the crossing, heavy equipment passed over it. according to experts, the design can be used in emergency zones, in hard-to-reach regions, as well as during events. construction on water. the technology makes it possible to reduce the construction time of bridges by five times and reduce the cost of work by 20%. the distinctive characteristic is the absolute maintainability, that is , it can be repaired, as they say, right here now, that is, having either a repair kit or the necessary set of tools. secondly, it does not corrode, there is absolutely no need to paint it. third, it is absolutely resistant to ultraviolet radiation and can withstand a bolt load. during periods of floods, floods, when some of our villages remain cut off, we must get there, there is an ambulance, yes , a fire truck, a truck shop, which means rescuers, guys, so that they can drive up, yes, provide some assistance to someone, me