On the morning of November 30th，In the owner、Supervisor、Under the joint witness of the responsible persons of the general contractor and other construction units and all the construction personnel，Construction of Steel Structure Successfully Completed the First Truss Hoisting of Steel Structure Trestle of Copper Coal Company，It marks that the project has entered the stage of comprehensive construction.。The steel structure trestle project has 14 sections in total.，The length of the steel structure trestle lifted this time is 45.2 meters，Section width 4.3m，Section height 3.5m，Weighing about 75 tons，Lifting height 49.1 meter。Two 500t truck cranes are used for lifting.，The hoisting height is high，Difficult，Hoisting of the first truss of the project。

Since the commencement of the project，Construction of the tenth project department of steel structure in accordance with the construction procedures，Safety is emphasized in the construction process、Quality assurance，Focus on the key points、Break through the difficulties，Fast forward。Executive Director of Steel Structure Company、The deputy general manager and the person in charge of the safety and environmental protection department shall go to the construction site to guide the hoisting work.，The Project Department shall strictly follow the construction specifications.，Safety technical disclosure shall be made to the site operators before hoisting.，To the specific content、Method of operation、Construction process、Precautions and so on are explained one by one.，Clear division of responsibilities，It ensures the smooth progress of the hoisting task。