1. Before the pipeline is installed and constructed, the construction drawings and other technical documents should be complete, and the drawings and technical documentation should be completed to meet the construction needs; at the same time, the plan, technology, materials, machinery, etc. can ensure normal construction; finally, the construction personnel must have been installed by the pipeline Professional technical training.
2. The provided pipes and fittings should meet the design regulations, and be accompanied by product manuals and quality certificates.
3. Do not use materials with signs of damage. If any abnormality in the quality of the pipeline is found, it should be re-inspected before use.
4. During pipeline installation, the opening should be sealed in time to avoid pipeline blockage and pollution.
5. During construction and installation, the grades and use occasions of cold and hot water pipes should be rechecked; the pipe faces are marked to the outside in a conspicuous position