To transfer gas to Turkey based on a contract between Turkey and Iran's authorities, and also setting a belt connection of gas pipeline to the West of the country and transferring gas to many cities located in the same direction, agreed to establish gas pipeline in three sizes 56",48" and 42". The main project's contractor was Payandan Company and Chakad company took responsibility of trenching, transportation, stringing and welding of the 48" pipeline with thicknesses and insulating welds and lay them in to the canal, as a colleague.