Drainage of flash floods
There is no room for water in the basement. It can be groundwater or precipitation after a torrential rain: it must be removed from the basement as quickly as possible, because it will soak the walls and ruin everything that was kept in the basement. In other words, you must act as soon as possible, the water must be pumped out of the basement. Homemade submersible pumps can be suitable for this, if not…
