Observe the verticality of the columns with a theodolite, and measure the spacing between adjacent columns with a steel ruler until it meets the design requirements.<br>After the pole position and distance meet the requirements, while keeping the column vertical, tighten the anchor bolts and nuts and lock them tightly.<br>After the steel column assembly is completed, please follow the construction specifications and the requirements of the beam installation construction process for group by group lifting.
正在翻译中..