All preparatory work must be carried out before installing the steel structure equipment.For example, the erector should retest the component before lifting and upgrade only if the component is not deformed and the installation dimensions are correct.In addition, the installation personnel should also check the embedded bolts or cup-shaped steel column foundation under the premise that the strength of the foundation concrete meets the specifications.If the height of the base is found to deviate from the elevation, record the part.In order to adjust the position of the steel column.

When the roof steel frame system is installed, sometimes the installation of roof bracket and roof R is often contradictory.Considering that the installation of the shell and the main structure is usually not the same structural unit, it must be unified and directed by experienced managers.