Water buried pipes should be prevented from being placed in locations where they may be damaged by heavy objects. The pipeline must not pass through the foundation of the production equipment; in special cases, if it needs to be traversed, it should be consulted with the relevant professionals. pp pipes shall not pass through expansion joints, settlement joints and seismic joints. Effective measures should be taken during the passage. Satisfactory maintenance and aesthetic requirements: Pipes should be laid as straight as possible along walls, beams and columns. For buildings with higher aesthetic requirements, PP pipes can be hidden in pipe grooves, pipe wells, pipe trenches and suspended ceilings. In order to facilitate maintenance, each layer of the test tube well should be equipped with inspection doors. The location of the indoor sanitary equipment should have a space to accommodate accessories. Pipes hidden in ceilings or ducts should have an access door at the valve.
