Dutch pipeline builder Nacap has been awarded $350 million engineering, procurement and construction contract by Saudi Aramco to build a multi product pipeline from Ras Tanura Refinery to Riyadh, Pipeline Dubai reported on Saturday. Saudi-based Nacap Suedrohrbau will build the 30-inch diameter pipeline, 3 pump stations, metering systems, substation buildings and maintenance. The 506 kilometers pipelines are planned to transport diesel and kerosene from the refineries in Ras Tanura on the east coast to Riyadh via Dhahran and Al