1. iron barrier material requirements: all cast iron guardrail materials and finished products into the field, must have material, quality guarantee.
2. before the construction personnel go to the post, according to their different jobs, carry out the education of professional technology and safety and civilization construction.
3. in the process of construction of cast iron guardrail, it is checked by technical personnel to correct the problems of illegal operation in the construction site in time. Put forward the quality correction sheet and the quality problem change measures to ensure the quality of the project to meet the design requirements and acceptance standards.
4., strictly implementing the engineering quality standard, the varieties, specifications, models and thickness of cast iron guardrail must meet the requirements of engineering and design, and the welding seam is full welded, smooth and smooth. It is beautiful, accurate in size, and the product is horizontal and vertical. It is in line with the design requirements and acceptance criteria.
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