![]() The perimeter drainage ditch should have adequate slope and outlets to prevent the retention of water. When asphalt concrete is used for both base and surface, underdrains are usually not required. In sandy or gravelly soil, subsurface drainage may not be required, but in areas of predominantly clay soils, a perimeter drain (French drain) consisting of a perforated pipe or clay tile backfilled with crushed stone in a two to three-foot deep ditch around the court(s) is recommended. Proper drainage is of the utmost importance in the construction of a good court. Subgrade surface should have a maximum variance of plus or minus 1/2”. The subgrade should be shaped to true and even lines so as to ensure a uniform thickness of base course. Good compaction is particularly important in tennis court construction, as subsequent settlement of the subgrade may cause cracking in the court surface. Any soft, yielding material should be replaced with a suitable material is not greater than six inch (6″) lifts and compacted to a density of 95 percent (95%) standard density at optimum moisture. The site should be excavated and filled to provide the finished grades shown on the plans or established by the owner. All topsoil should be removed and low-quality soils must be improved by adding asphalt or other suitable admixtures such as lime or granular materials. Because the earth subgrade must serve both as a working platform to support construction equipment and as the foundation for the pavement structure, it is most important to see that the subgrade is properly compacted and graded. ![]() Trees and other vegetation including their root systems must be removed from the site and the soil treated with a sterilizing agent that will effectively inhibit future flora growth. This permits each side of the court to have equal sun angles, which is assumed to be the ideal outdoor playing condition as far as the effect of glare is concerned.Ī soil examination should be made to determine its suitability as a foundation material. Through the careful analysis of sun angles, it has been determined that the most comfortable angle for court setting is 22° South-East and North-West for the length of the court off true North-South. Sample construction specifications may be found in another section of this website.Īdditional information and guide specifications for the construction of Asphalt tennis courts are available from the American Sports Builders Association. This information will be of particular value to those who do not have a detailed knowledge of the construction of tennis court facilities and it will aid in maintaining high standards. Please note – The following information serves as a general guide for the design, orientation, layout, and construction of tennis court(s) using asphalt concrete. ![]()
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