KARACHI: The K4 project has entered its second stage. Work on pipelines and siphons has started – the life of these steel pipes and siphons will be over hundred years. High quality API 5L, X-42 Grade spiral welded line pipe of international standards will be used for the 84 inch diameter pipeline. Ultrasonic Testing of each line pipe will be ensured for zero leakage and computerized record keeping shall be mandatory, this was shared by Saleem Siddiqui, Project Director of the K4 project, during a visit to the pipe manufacturing facility located in Sindh Industrial Trading Estate. Talking to print and electronic media journalists, he vowed to ensure international standards at all cost. An approximately twenty-kilometer-long pipeline will be used at different places, consisting of steel pipes manufactured as per American Petroleum Institute standards, considered to be one of the best in the world. K4 is a vital project for the mega city of Karachi and will be completed in three phases. Upon its completion, Karachi will get an additional supply of 650 MGD water.