Install only by adding iron rails embedded embedded parts, its approach is the use of the expansion bolt and steel plate to make the rear connecting piece, put the line in the civil base, determine the column fixed point position, and then use the impact drilling on the ground, and then install the expansion bolt.
The bolt keeps the length enough. After the bolt is positioned, the bolt is tightened and the nut and screw is welded to death to prevent the loosening of the nut and the steel plate. The connection between the handrail and the wall also takes the above method.
Because the above embedded parts may cause errors. Therefore, before the installation of columns, the line should be repositioned to determine the accuracy of embedded plates and the vertical rods, if there is any deviation, it should be corrected in time. It should be ensured that the iron column is all located on the steel plate and can be welded around.
1。 cast iron guardrail arrives at the construction site and accurately installs the position according to the position and size specified on the drawing, and determines the high elevation and vertical evenness。
2. positioning installation of embedded parts according to the requirements of design drawings and the actual situation of the construction site is accurate, avoid in a parallel line.
3. the standard line copy level location and installation provided by the cast iron guardrail, the pre embedding spacing is located according to the number of staircases and the design requirements of the drawings.
4. installation deviation must conform to the state regulations and design requirements to meet the acceptance criteria.
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