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*Typical dimensions for the trench excavation are 300 mm deep and 600 mm wide. The trench may be any length,
*Typical dimensions for the trench excavation are 300 mm deep and 600 mm wide. The trench may be any length,
*The trench should be lined with geotextile before filling with gravel,
*The trench should be lined with geotextile before filling with gravel,
*River rock or decorative aggregate may be included in a layer at the top of the gravel fill, for aesthetic value.
*River rock or decorative [[stone]] may be included in a layer at the top of the gravel fill, for aesthetic value.
==Materials==
==Materials==