The design of the drain hole is influenced by several factors that are taken into account in the construction of any drain system. Groundwater level, amount and volume of water consumed, soil composition. With independent construction of the drain hole, it is necessary to carefully comply with the construction and technical standards and requirements, and also not to forget sanitary standards. Subject to all requirements, in the future, it is not necessary to dismantle the drain system and the design of the bath from destruction.
