A glance at the figures presented and the experience of non-accounted water scarcity studies in Iran and the world indicates that most of the incidents and events occurring in urban water distribution systems are due to subscriber's split, which in most cases disregard regulations and modusions Technical implementation and exploitation has caused such cases. Which will impose financial burdens and water losses.
At present, due to the considerable needs and demands of urban services, especially in the water sector, the necessity of proper operation in this sector is necessary. In the first connection, including the urban services provided by the water and wastewater companies in the water department, it is the split to the applicants. Therefore, given the significant volume of activities in this section, the need for technical and executive standards and guidelines is clearly identified.