How much is the industrial salt property prepared?

Prepare two bags of industrial salt. According to relevant public information, the residential property purchased 2 bags of industrial salt, 60 non-slip sacks and 4 snow shovels in advance to prevent the cold wave, including 350 meters of exposed fire pipes and 500 meters of exposed dew pipes, and maintained about 200 drainage pipes that are easily blocked due to cold weather in advance.