The contracting unit must fill in the inspection report form, and when the information is on the field. Attach the quality certificate of steel and other materials, and submit the test report to the supervision unit. The on-site data will be counted together with the establishment unit and contract unit, and the supervision unit will receive the inspection report. Introspection of the appearance quality such as the size, variety, number, specifications, and galvanized thickness of the tower components, whether it meets the design requirements, the self-examination method is based on self-inspection, self-test, and sampling experiments in accordance with relevant national regulations.
1. Mobile telecommunications tower data control
2. Welding rod must adopt E43 quality must comply with GB5118-85 rules, flux quality must comply with GB1308-85 rules; prestige agencies must confirm, confirm, clarify and check declaration; 2 if new information is used.
3. The number, quantity and quality of components must meet the design requirements.
4. Samples and inspections are required for components and steels.
The steel must have a quality certificate, and the quality of the steel must conform to the rules of GB700-88GB1591-94 and YB168-70. It also meets the requirements of the design documents. If the supervision unit has doubts about the material, it must be sampled and checked according to the relevant national regulations. The consequences can be adopted only when it meets the requirements of the national regulations and design documents.
If there is deformation, 5 component sizes and specifications must meet the design requirements. Correction is necessary, and it is required that when the temperature is lower than -16 ° C, the component should not be cold-corrected. If there are delamination or crack defects at the fracture, the depth of rust, pitting or scratches on the surface of the steel shall not be greater than half of the negative deflection value of the thickness of the steel. The supervision unit will discuss and dispose with the relevant units. The information and functional quality of the steel wire rope, steel wire (pull wire), etc. of the 7-wire tower of the communication tower must conform to the relevant national regulations and design document requirements.
