When building a country house, cottage, summer cottage, the problem of water supply is always very relevant. This book will tell you what materials and tools are needed for the construction of pipe and drill wells, wells and how to properly carry out work on their arrangement. Key wells are the simplest in design and do not require a large amount of building materials and labor costs. Chambers for collecting and accumulating water springs (keys) (capital chambers) can be built of simple materials (stones, boulders, wooden parts, etc.). Depending on the type of keys, ascending and descending key structures are distinguished. When constructing an ascending key well, the following must be provided: the edge of the log house (concrete ring, box, barrel), or, more simply, the tank, must be below the water level that the key can raise.