The Hassyan project is equipped with two coal storage yards. The yards are the triangular pipe truss and down-cable structure. The structure is light, beautiful, cost-efficient. The entire yard steel structure project is strictly in accordance with international codes for structural design, material procurement, fabrication and construction acceptance. After the completion of the yard, a single coal storage yard is 677m long and 122m wide. It covers an area of up to 83,000㎡. The yard capacity of a single coal yard is 570,000 tons, which can meet at least two 600,000-kilowatt units running at full load for 45 days.