I. Construction Method of Water Supply Systems for Tennis Courts
A high-quality tennis court requires a clean, quiet, and dust-free environment to ensure optimal playing conditions. In addition to natural grass fields that need regular watering, all types of courts should be equipped with proper water supply systems to support maintenance and daily use. Ideally, venues should have sufficient tap points for easy access to water. The layout of rotating nozzles and the water pipe network is illustrated in Figure 5.6 below. The depth at which the pipes are buried should be below the frost line in the region, as determined by local climate conditions in China. To ensure efficient water flow, the water supply network should be designed with a natural slope. At the lowest point of this slope, a backwater interceptor must be installed to manage shallow water accumulation. This is especially important because design errors in such structures can lead to cracked pipes due to freezing, as seen in a case study from a university site. This serves as a valuable lesson for future projects.
II. Drainage Construction Methods for Tennis Courts
Effective drainage is crucial for maintaining the quality and usability of tennis courts. The primary method of drainage involves surface cross-slopes, which should not exceed 0.5% to allow proper water runoff. Water flows through open drains located around the perimeter of the court and then is directed into the municipal drainage system. The main drainage layout is shown in Figure 5.7.1. Typically, the center of the court is the highest point, while the drainage ditches are placed outside the fence and covered with cast-iron grates. This setup ensures that water is efficiently removed without interfering with the playing surface.
Note: Schematic diagram of off-site drainage ditch – 1: Main body of drainage ditch; 2: Water supply pipe; 3: Tennis court; 4: Site drainage direction
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