Carefully check the stability of the fastening screws to ensure that they are tightened and not loose. The site is staked for diagonal support. According to the drawings, the upper and lower beams are welded (should be fully welded) and tightened with a basket screw. Installation of the upper beam. After the assembly of the overall frame is completed, it should be self-inspected. The self-inspection is mainly to check the tightening condition of the screw. If it is found that there is looseness and over-tightening, it should be handled in time. The self-inspection is completed and the rafter is prepared. The upper rafter should be in accordance with the requirements of the drawing map. Drain and tighten with screws and adjust the string by straight with 12 round bars. The installation of the wall purlins, the spacing of the purlins is adjusted with a tie rod to ensure its parallelism and screwed. After finishing all the light steel on-site production and installation, it is necessary to do a self-test from several aspects. First check the stability of the screw, check the verticality of the column, and then check that the position of the string is consistent with the original design. If there is an unstable match, it should be treated in time to ensure its stability and verticality. After the completion of the installation of the light structure, the entire inspection and acceptance shall be carried out, and the next process may be carried out after passing the test. kaiping aida sanitary ware technology co.,ltd , https://www.kpfaucets.com
The installation of the wall purlins is adjusted by the tie rods.