What are the common problems in the construction of municipal water supply and drainage pipelines? The editor of the official website will introduce you.

The municipal water supply and drainage pipeline project is not only closely related to the daily life of urban residents, but also the most basic construction project in urban construction. Because of the importance of this project, once the construction quality goes wrong, the living order and living standard of urban residents will be damaged, with serious consequences. From the perspective of the construction and quality of municipal water supply and drainage pipeline projects in China, there are widespread problems, which will affect the final project quality. Therefore, relevant staff must solve these problems to provide a more comfortable living environment for urban residents.

01 Problems in the construction of municipal water supply and drainage pipeline

1. Pipe component problems

In the actual construction, due to the poor quality awareness of the construction unit, in order to reduce the construction cost, the quality of the pipes was not strictly controlled, which led to the pipes' performance indicators not meeting the use standards. In the later operation, due to the lack of pressure resistance and seepage resistance, leakage is easy to occur.

2. Trench excavation

In the actual construction, some construction units did not strictly follow the design drawings, resulting in slope collapse, water soaking at the bottom of the trench, large section error and other problems during trench excavation, which seriously affected the normal progress of pipeline construction.

3. Problems occurred during pipe installation

At present, when some construction units are actually installing water supply and drainage pipelines, because the installation awareness of the staff is weak and the management is not strong, it is very easy for them to check the circular head of the pipeline is too high or too low, and the slope of the pipeline is not consistent with the requirements of the design drawings. These problems will cause great difficulties for the later operation.

4. Problems of closed water test

The project began to backfill when the closed water test was not carried out, and there was no detailed understanding of pipeline sealing and other properties. In some closed water tests, the standard of the test is inaccurate, which affects the effect of the test, leading to many potential safety hazards in the safe operation of water supply and drainage works.

5. Problems in backfill works

The quality of backfill was not strictly controlled, and the soil materials at the construction site were randomly used for backfilling, which did not meet the specification requirements in terms of quality. In addition, layered backfilling is not used in the backfilling method, which brings hidden dangers to the quality of pipeline construction.