Detailed studies of alternative drinking water transfer system design in Alborz and Tehran provinces from Taleghan dam project name: Detailed studies of alternative drinking water transfer system design in Alborz and Tehran provinces from Taleghan dam Status In Progress Registration Date 2024/07/03 Update Date 2024/07/07 Manager Tehran Regional Water Company Goals Sustainable supply of drinking and sanitary water needs of Alborz and Tehran provinces The need to replace the current system due to technical, economic, service life and passive defense considerations Supervising the continued progress of quantitative monitoring studies of water resources in the entire route of the alternative system Schedule Reviewing the studies of the 1st Phase Studies and conducting detailed studies and preparing tender documents for implementation Executive Actions Three pieces of tunnel with a total length of approximately 52 km and a minimum internal diameter of 3.9 meters, from the downstream of Taleghan dam in Makhzan and Ziyaran in Qazvin province to the downstream of Amirkabir dam in Alborz province. A piece of tunnel with an approximate length of 12 km and a minimum internal diameter of 3 meters, from the location of Amir Kabir diversion dam in Alborz province to the vicinity of Karaj drinking water treatment plant No. 2 in Alborz province Geography Location Tehran, Alborz and Qazvin provinces, Taleghan, Hashtgerd and Karaj cities, Iran