What is the key to ensure the quality of cast iron guardrail?
1. Material requirements: cast iron guardrail material requirements: all cast iron guardrail materials and finished products must have a material list, quality assurance.
2. Requirements for construction personnel: before taking up the post, the construction personnel shall carry out education on technology and safe and civilized construction according to their different posts.
3. Construction site operation requirements: in the process of cast iron guardrail construction, the technical personnel shall check and timely correct the illegal operation and other problems on the construction site. Put forward the quality rectification sheet and quality problem change measures to ensure the project quality to meet the design requirements and acceptance specifications.
4. Quality requirements: strictly implement the engineering quality standards. The type, specification, model and thickness of cast iron guardrail must meet the engineering and design requirements. The welded joint shall be fully welded and polished smooth. The product should be horizontal and vertical, and meet the design requirements and acceptance standards.