Chapter ten
The sand-over-gravel approach, typically for bowling greens and golf greens
10.1 Introduction
Where there is a need for rapid drainage, approaching 25 mm (1 in) per hour, and a true, uniform, fine-turf surface over which a ball will roll easily and predictably, this can be achieved only by a well-maintained sand soil, rafted over a drained gravel bed. Such a sand soil is unlikely to exceed 400 mm (16 in) in depth and will provide only a maximum of 14 days water supply to meet peak demand in summer. With this type of construction, therefore, it is essential to make provision for efficient irrigation.
Cheaper alternatives are described ...
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