Islamabad : National Engineering Services Pakistan (NESPAK) is preparing master plan and feasibility study for establishment of coal based Power Park at Gadani. Official sources say surveys regarding the site‚ revenue and topography of the project have already been completed. NEPRA is already working on upfront tariff of power projects at Gadani. The sources say approximately 20 million tons of coal will be imported per annum after commissioning of this 6600 megawatt power park.