Which maintenance method helps extend the lifespan of water distribution pipelines?

Periodic flushing is a crucial maintenance method that helps extend the lifespan of water distribution pipelines. This process involves regularly running water through the system to remove sediment, mineral build-up, and biofilm that can accumulate over time. By flushing the system, you not only enhance water quality and minimize potential contaminants but also reduce the risk of corrosion and deterioration of the pipelines caused by stagnant water and deposits.

While constant pressure checks, intermittent flow testing, and solvent coating are all important maintenance practices in their own right, they do not specifically target the removal of build-up and sediments within the pipes in the same way that periodic flushing does. Constant pressure checks are essential for monitoring system integrity under operational conditions but do not directly address the internal cleanliness of the pipelines. Intermittent flow testing can help assess the system's performance but also falls short in preventing build-up. Solvent coating can be effective for protecting pipe surfaces from corrosion but does not actively clean and maintain the interior conditions of the pipelines. Thus, periodic flushing stands out as the method that directly contributes to the longevity and operational efficiency of water distribution infrastructure.